Chronic pain can be a debilitating condition that affects millions of people worldwide. For many people, it can be difficult to find effective pain relief. But there is hope.
Neurostimulation, also known as spinal cord stimulation (SCS) therapy, is a well-established pain treatment used by doctors for more than 50 years.3
When we experience an injury or physical trauma, nerve endings known as pain receptors send a signal along the spinal cord to the brain. The brain interprets that signal as pain.
Spinal cord stimulation, also known as neurostimulation therapy, intercepts these signals so the brain doesn’t receive them. As a result, the person doesn’t experience pain in the same way. For people who live with chronic pain from an injury or condition, neurostimulation may offer relief from chronic pain.
A neurostimulation system works similarly to a pacemaker. The implantable pulse generator (IPG) is implanted in the body along with thin, insulated wires called leads. When your system is turned on, the generator sends mild electrical pulses through the leads to nerves along your spinal cord to reduce the level of pain you feel.
The pulses of energy delivered through the leads (like the enlarged image above) interrupts pain signals so they don't make it up the spinal cord to the brain.
Abbott's SCS systems offer an additional option to conventional medical treatment like oral medications and physical therapy, providing safe and effective long-term relief for chronic pain.4
Find the device that is right for you.
The Eterna™ SCS System with Xtend™ energy technology reduces charging frequency to five times per year,5,6 making it the lowest recharge burden platform on the market.7* FlexBurst360™ therapy is the next generation of BurstDR™ stimulation that provides tailored stimulation for up to six areas of pain.8
The Proclaim™ SCS Family offers recharge-free SCS therapy for up to 10 years at lowest-dose settings.**
The Proclaim™ Plus SCS System features FlexBurst360™ therapy, the next generation of clinically proven BurstDR™ stimulation,1 which offers relief for up to six painful areas.8
Abbott offers the only FDA-approved neurostimulation technology targeting the dorsal root ganglion (DRG), which are clusters of nerves along the spine that control pain signals from specific areas of the body. More than 80% of people reported significant pain relief using Abbott’s DRG therapy.9†§
Proclaim™ DRG therapy could be right for you if you have:
The IonicRF™ Generator, delivering radiofrequency ablation (RFA) therapy, could be right for you if you experience pain mainly in these areas:
Locate a pain specialist who can tell you more about your different options for pain relief.
‡ Indicates a third party trademark, which is property of its respective owner.
* Upon implant of the Eterna™ SCS System, approximately three hours five times per year (69 to 74 days between charges) or one hour per month (25 to 27 days between charges) at standard (nominal) settings for BurstDR™ programming: 30/90 dosing when programmed with amplitude of 0.6mA and all other BurstDR™ stimulation settings are left at default. Recommended recharge frequency and duration for competitor product described in their respective IFU or clinical studies, which may involve different patient populations and other variables. Not a head-to-head comparison of stimulation settings or clinical outcomes.
**Up to 10 years of battery longevity at the lowest dose setting: 0.6mA, 500 Ohms, duty cycle 30s on/360s off. NOTE: In neurostimulation therapy, ‘dose’ refers to the delivery of a quantity of energy to tissue. Safety comparisons and specific dose-response curves for each dosage have not been clinically established. Refer to the IFU for additional information. Hassle-free means recharge-free.
† Abbott’s DRG therapy compared to Abbott's DRG therapy compared to traditional tonic stimulation.
§ At three months.
This neurostimulation system is designed to deliver low-intensity electrical impulses to nerve structures. The system is intended to be used with leads and associated extensions that are compatible with the system.
Abbott Medical spinal cord stimulation (SCS) systems are indicated as an aid in the management of chronic, intractable pain of the trunk and/or limbs, including unilateral or bilateral pain associated with the following: failed back surgery syndrome, nonsurgical back pain (without prior surgery and not a candidate for back surgery), and diabetic peripheral neuropathy of the lower extremities.
This system is contraindicated for patients who are unable to operate the system or who have failed to receive effective pain relief during trial stimulation.
Some models of this system are Magnetic Resonance (MR) Conditional, and patients with these devices may be scanned safely with magnetic resonance imaging (MRI) when the conditions for safe scanning are met.
For more information about MR Conditional neurostimulation components and systems, including equipment settings, scanning procedures, and a complete listing of conditionally approved components, refer to the MRI procedures clinician's manual for neurostimulation systems (available online at medical.abbott/manuals).
For more information about MR Conditional products, visit the Abbott Medical product information page at neuromodulation.abbott/us/en/healthcare-professionals/mri-support.html.
The following warnings apply to this neurostimulation system.
Poor surgical risks. Neurostimulation should not be used on patients who are poor surgical risks or patients with multiple illnesses or active general infections.
Magnetic resonance imaging (MRI). Some patients may be implanted with the components that make up a Magnetic Resonance (MR) Conditional system, which allows them to receive an MRI scan if all the requirements for the implanted components and for scanning are met. A physician can help determine if a patient is eligible to receive an MRI scan by following the requirements provided by Abbott Medical. Physicians should also discuss any risks of MRI with patients.
Patients without an MR Conditional neurostimulation system should not be subjected to MRI because the electromagnetic field generated by an MRI may damage the device electronics and induce voltage through the lead that could jolt or shock the patient.
Diathermy therapy. Do not use short-wave diathermy, microwave diathermy, or therapeutic ultrasound diathermy (all now referred to as diathermy) on patients implanted with a neurostimulation system. Energy from diathermy can be transferred through the implanted system and cause tissue damage at the location of the implanted electrodes, resulting in severe injury or death.
Diathermy is further prohibited because it may also damage the neurostimulation system components. This damage could result in loss of therapy, requiring additional surgery for system implantation and replacement. Injury or damage can occur during diathermy treatment whether the neurostimulation system is turned on or off.
Electrosurgery. To avoid harming the patient or damaging the neurostimulation system, do not use monopolar electrosurgery devices on patients with implanted neurostimulation systems. Before using an electrosurgery device, place the device in Surgery Mode using the patient controller app or clinician programmer app. Confirm the neurostimulation system is functioning correctly after the procedure.
Use bipolar electrosurgery only.
Complete any electrosurgery procedures before connecting the leads or extensions to the neurostimulator.
Keep the current paths from the electrosurgery device as far from the neurostimulation system as possible.
Set the electrosurgery device to the lowest possible energy setting.
Confirm that the neurostimulation system is functioning correctly during the implant procedure and before closing the neurostimulator pocket.
Implanted cardiac systems. Physicians need to be aware of the risk and possible interaction between a neurostimulation system and an implanted cardiac system, such as a pacemaker or defibrillator. Electrical pulses from a neurostimulation system may interact with the sensing operation of an implanted cardiac system, causing the cardiac system to respond inappropriately. To minimize or prevent the implanted cardiac system from sensing the output of the neurostimulation system, (1) maximize the distance between the implanted systems; (2) verify that the neurostimulation system is not interfering with the functions of the implanted cardiac system; and (3) avoid programming either device in a unipolar mode (using the device’s can as an anode) or using neurostimulation system settings that interfere with the function of the implantable cardiac system.
Other active implanted devices. The neurostimulation system may interfere with the normal operation of another active implanted device, such as a pacemaker, defibrillator, or another type of neurostimulator. Conversely, the other active implanted device may interfere with the operation of the neurostimulation system.
Interference with other devices. Some of this system’s electronic equipment, such as the programmer and controller, can radiate radiofrequency (RF) energy that may interfere with other electronic devices, including other active implanted devices. Avoid placing equipment components directly over other electronic devices. To correct the effect of interference with other devices, turn off the equipment or increase the distance between the equipment and the device being affected.
Operation of machines, equipment, and vehicles. Patients using therapy that generates paresthesia should turn off stimulation before operating motorized vehicles, such as automobiles, or potentially dangerous machinery and equipment because sudden stimulation changes may distract them from properly operating it. However, current data shows that most patients using BurstDR™ stimulation therapy do not experience paresthesia. For patients who do not feel paresthesia, sudden stimulation changes are less likely to occur and distract them while operating motorized vehicles, machinery, or equipment.
Explosive and flammable gasses. Do not use a clinician programmer or patient controller in an environment where explosive or flammable gas fumes or vapors are present. The operation of these devices could cause them to ignite, causing severe burns, injury, or death.
Keep the device dry. Programmer and controller devices are not waterproof. Keep them dry to avoid damage. Advise patients to not use their device when engaging in activities that might cause it to get wet, such as swimming or bathing.
Pediatric use. Safety and effectiveness of neurostimulation for pediatric use have not been established.
Pregnancy and nursing. Safety and effectiveness of neurostimulation for use during pregnancy and nursing have not been established.
Use in patients with diabetes. Surgical complications and adverse effects may be more frequent and severe in patients with diabetes. The following additional considerations should be made for patients with diabetes:
Stimulation modes. The BurstDR™ stimulation mode has not been evaluated for effectiveness in the diabetic peripheral neuropathy (DPN) population.
Device components. The use of components not approved for use by Abbott Medical with this system may result in damage to the system and increased risk to the patient.
Device modification. Equipment is not serviceable by the customer. To prevent injury or damage to the system, do not modify the equipment. If needed, return the equipment to Abbott Medical for service.
Application modification. To prevent unintended stimulation, do not modify the operating system in any way. Do not use the application if the operating system is compromised (that is, jailbroken).
Case damage. Do not handle the IPG if the case is pierced or ruptured because severe burns could result from exposure to battery chemicals.
IPG disposal. Return all explanted IPGs to Abbott Medical for safe disposal. IPGs contain batteries as well as other potentially hazardous materials. Do not crush, puncture, or burn the IPG because explosion or fire may result.
Product materials. Neurostimulation systems have materials that come in contact or may come in contact with tissue. A physician should determine whether or not a patient may have an allergic reaction to these materials before the system is implanted.
The following precautions apply to this neurostimulation system.
Clinician training. Implanting physicians should be experienced in the diagnosis and treatment of chronic pain syndromes and have undergone surgical and device implantation training.
Patient selection. It is extremely important to select patients appropriately for neurostimulation. Thorough psychiatric screening should be performed. Patients should not be dependent on drugs and should be able to operate the neurostimulation system.
Infection. Follow proper infection control procedures. Infections related to system implantation might require that the device be explanted.
Implantation of two systems. If two systems are implanted, ensure that at least 20 cm (8 in.) separates the implanted IPGs to minimize unintended interaction with other system components.
High stimulation outputs. Stimulation at high outputs may cause unpleasant sensations or motor disturbances, or render the patient incapable of controlling the stimulator. If unpleasant sensations occur, the device should be turned off immediately.
Patient training. Instruct patients to use their neurostimulation system only after an authorized clinician has programmed the device and has trained the patient how to control stimulation and safely use the system.
Programmer use. Allow only authorized use of the clinician programmer to avoid any programming changes that may injure a patient.
Single-use, sterile device. The implanted components of this neurostimulation system are intended for a single use only. Sterile components in this kit have been sterilized using ethylene oxide (EtO) gas before shipment and are supplied in sterile packaging to permit direct introduction into the sterile field. Do not resterilize or reimplant an explanted system for any reason.
Storage environment. Store components and their packaging where they will not come in contact with liquids of any kind.
Handle the device with care. The clinician programmer and patient controller are sensitive electronic devices that can be damaged by rough handling, such as dropping them on the ground.
Care and handling of components. Use extreme care when handling system components prior to implantation. Excessive heat, excessive traction, excessive bending, excessive twisting, or the use of sharp instruments may damage and cause failure of the components.
Package or component damage. Do not implant a device if the sterile package or components show signs of damage, if the sterile seal is ruptured, or if contamination is suspected for any reason. Return any suspect components to Abbott Medical for evaluation.
Exposure to body fluids or saline. Prior to connection, exposure of the metal contacts, such as those on the connection end of a lead or extension, to body fluids or saline can lead to corrosion. If such exposure occurs, clean the affected parts with sterile, deionized water or sterile water for irrigation, and dry them completely prior to lead connection and implantation.
System testing. To ensure correct operation, always test the system during the implant procedure, before closing the neurostimulator pocket, and before the patient leaves the surgery suite.
High-output ultrasonics and lithotripsy. The use of high-output devices, such as an electrohydraulic lithotripter, may cause damage to the electronic circuitry of an implanted IPG. If lithotripsy must be used, do not focus the energy near the IPG.
Ultrasonic scanning equipment. The use of ultrasonic scanning equipment may cause mechanical damage to an implanted neurostimulation system if used directly over the implanted system.
External defibrillators. The safety of discharge of an external defibrillator on patients with implanted neurostimulation systems has not been established.
Therapeutic radiation. Therapeutic radiation may damage the electronic circuitry of an implanted neurostimulation system, although no testing has been done and no definite information on radiation effects is available. Sources of therapeutic radiation include therapeutic X-rays, cobalt machines, and linear accelerators. If radiation therapy is required, the area over the implanted IPG should be shielded with lead. Damage to the system may not be immediately detectable.
Security, antitheft, and radiofrequency identification (RFID) devices. Some antitheft devices, such as those used at entrances or exits of department stores, libraries, and other public places, and airport security screening devices may affect stimulation. Additionally, RFID devices, which are often used to read identification badges, as well as some tag deactivation devices, such as those used at payment counters at stores and loan desks at libraries, may also affect stimulation.
Patients who are implanted with nonadjacent multiple leads and patients who are sensitive to low stimulation thresholds may experience a momentary increase in their perceived stimulation, which some patients have described as uncomfortable or jolting. Patients should cautiously approach such devices and should request help to bypass them. If they must go through a gate or doorway containing this type of device, patients should turn off their IPG and proceed with caution, being sure to move through the device quickly.
Scuba diving or hyperbaric chambers. Patients should not dive below 30 m (100 ft.) of water or enter hyperbaric chambers above 4.0 atmospheres absolute (ATA). Pressures below 30 m (100 ft.) of water (or above 4.0 ATA) could damage the neurostimulation system. Before diving or using a hyperbaric chamber, patients should discuss the effects of high pressure with their physician.
Wireless use restrictions. In some environments, the use of wireless functions (for example, Bluetooth® wireless technology) may be restricted. Such restrictions may apply aboard airplanes, in hospitals, near explosives, or in hazardous locations. If you are unsure of the policy that applies to the use of this device, please ask for authorization to use it before turning it on. (Bluetooth® is a registered trademark of Bluetooth SIG, Inc.)
In addition to those risks commonly associated with surgery, the following risks are associated with implanting or using this neurostimulation system:
Unpleasant sensations or motor disturbances, including involuntary movement, caused by stimulation at high outputs; if either occurs, turn off your IPG immediately
Undesirable changes in stimulation, which may be related to cellular changes in tissue around the electrodes, changes in electrode position, loose electrical connections, or lead failure
Stimulation in unwanted places (such as radicular stimulation of the chest wall)
Lead migration, causing changes in stimulation or reduced pain relief
Epidural hemorrhage, hematoma, infection, spinal cord compression, or paralysis from placement of a lead in the epidural space
Cerebrospinal fluid (CSF) leakage
Paralysis, weakness, clumsiness, numbness, or pain below the level of the implant
Persistent pain at the electrode or IPG site
Seroma (mass or swelling) at the IPG site
Allergic or rejection response to implant materials
Implant migration or skin erosion around the implant
Battery failure
Changes in blood glucose levels in response to any adverse effect
NOTE: Patients with diabetes may have increased risks of infection, problems healing around the surgical site, and complications common to any surgical procedure. The severity of any surgical complication may be greater in patients with diabetes, particularly those with inadequate preoperative glycemic control. For adverse effects observed in the use of diabetic peripheral neuropathy, refer to the clinical summaries manual for SCS systems.
For information that supports the clinical use of this neurostimulation system, refer to the clinical summaries manual for spinal cord stimulation (SCS) systems (available online at medical.abbott/manuals). This neurostimulation system is similar in technology and intended use to the systems reported in the literature and clinical studies. Therefore, the literature and clinical studies represent the safety and effectiveness of this neurostimulation system.
21 CR 801.109(b) The label of the device, other than surgical instruments, bears:
(1) The symbol statement “Rx only” or “℞ only” or the statement “Caution: Federal law restricts this device to sale by or on the order of a ___”, the blank to be filled with the word “physician,” “dentist,” “veterinarian,” or with the descriptive designation of any other practitioner licensed by the law of the State in which the practitioner practices to use or order the use of the device; and
(2) The method of its application or use.
23-78280 MAT-2215216 v4.0 | Item approved for U.S. use only.
Read this section to gather important prescription and safety information. For specific indications, contraindications, instructions, warnings, precautions, and adverse effects about system components available in your country or region, see the approved clinician's manual for those components.
This neurostimulation system is designed to deliver low-intensity electrical impulses to nerve structures. The system is intended to be used with leads and associated extensions that are compatible with the system.
This neurostimulation system is indicated for spinal column stimulation via epidural and intraspinal lead access to the dorsal root ganglion as an aid in the management of moderate to severe chronic intractable* pain of the lower limbs in adult patients with complex regional pain syndrome (CRPS) types I and II.**
*Study subjects from the ACCURATE clinical study had failed to achieve adequate pain relief from at least two prior pharmacologic treatments from at least two different drug classes and continued their pharmacologic therapy during the clinical study.
**Please note that in 1994, a consensus group of pain medicine experts gathered by the International Association for the Study of Pain (IASP) reviewed diagnostic criteria and agreed to rename reflex sympathetic dystrophy (RSD) and causalgia as complex regional pain syndrome (CRPS) types I and II, respectively. CRPS II (causalgia) is defined as a painful condition arising from damage to a nerve. Nerve damage may result from traumatic or surgical nerve injury. Changes secondary to neuropathic pain seen in CRPS I (RSD) may be present, but are not a diagnostic requirement for CRPS II (causalgia).
This neurostimulation system is contraindicated for patients who are
Unable to operate the system
Poor surgical risks
Patients who failed to receive effective pain relief during trial stimulation are contraindicated to process to the permanent implant procedure.
Some models of this system are Magnetic Resonance (MR) Conditional, and patients with these devices may be scanned safely with magnetic resonance imaging (MRI) when the conditions for safe scanning are met.
For more information about MR Conditional neurostimulation components and systems, including equipment settings, scanning procedures, and a complete listing of conditionally approved components, refer to the MRI procedures clinician's manual for neurostimulation systems (available online at medical.abbott/manuals).
For more information about MR Conditional products, visit the Abbott Medical product information page at neuromodulation.abbott/us/en/healthcare-professionals/mri-support.html.
The following warnings apply to this neurostimulation system.
Clinician training. Implanting physicians should be experienced in the diagnosis and treatment of chronic pain syndromes and have undergone surgical and device implantation training for dorsal root ganglion (DRG) neurostimulation systems.
Pregnancy and nursing. Safety and effectiveness of neurostimulation for use during pregnancy and nursing have not been established.
Pediatric use. The safety and effectiveness of neurostimulation for pediatric use have not been established.
Back pain. The safety and efficacy for the treatment of patients who have back pain as the greatest region of pain have not been evaluated.
External defibrillators. Safety for use of external defibrillator discharges on a patient receiving neurostimulation has not been established. External defibrillation can cause induced currents in the lead-extension portion of the neurostimulation system. After defibrillation, confirm the neurostimulation system is still working.
Magnetic resonance imaging (MRI). Some patients may be implanted with the components that make up a Magnetic Resonance (MR) Conditional system, which allows them to receive an MRI scan if all the requirements for the implanted components and for scanning are met. A physician can help determine if a patient is eligible to receive an MRI scan by following the requirements provided by Abbott Medical. Physicians should also discuss any risks of MRI with patients.
Patients without an MR Conditional neurostimulation system should not be subjected to MRI because the electromagnetic field generated by an MRI may damage the device electronics, cause heating at the lead tip that could result in tissue damage, and induce voltage through the lead that could jolt or shock the patient.
Computed tomography (CT). If the patient requires a CT scan, all stimulation should be turned off before the procedure. If stimulation is not turned off, the patient may experience a momentary increase in stimulation, which may be uncomfortable. Before beginning a CT scan, the operator should use CT scout views to determine if implanted or externally worn electronic medical devices are present and if so, their location relative to the programmed scan range.
For CT procedures in which the medical device is in or immediately adjacent to the programmed scan range, the operator should:
Determine the device type
If practical, try to move external devices out of the scan range
Ask patients with neurostimulators to shut off the device temporarily while the scan is performed.
Minimize X-ray exposure to the implanted or externally worn electronic medical device by using the lowest possible X-ray tube current consistent with obtaining the required image quality and by making sure that the X-ray beam does not dwell over the device for more than a few seconds.
Important note: For CT procedures that require scanning over the medical device continuously for more than a few seconds, as with CT perfusion or interventional exams, attending staff should be ready to take emergency measures to treat adverse reactions if they occur.
After CT scanning directly over the implanted or externally worn electronic medical device:
Have the patient turn the device back on if it had been turned off prior to scanning.
Have the patient check the device for proper functioning, even if the device was turned off.
Advise patients to contact their healthcare provider as soon as possible if they suspect their device is not functioning properly after a CT scan.
Diathermy therapy. Do not use short-wave diathermy, microwave diathermy, or therapeutic ultrasound diathermy (all now referred to as diathermy) on patients implanted with a neurostimulation system. Energy from diathermy can be transferred through the implanted system and cause tissue damage at the location of the implanted electrodes, resulting in severe injury or death.
Diathermy is further prohibited because it may also damage the neurostimulation system components. This damage could result in loss of therapy, requiring additional surgery for system implantation and replacement. Injury or damage can occur during diathermy treatment whether the neurostimulation system is turned on or off. Advise patients to inform their healthcare professional that they should not be exposed to diathermy treatment.
Electrosurgery. To avoid harming the patient or damaging the neurostimulation system, do not use monopolar electrosurgery devices on patients with implanted neurostimulation systems. Before using an electrosurgery device, place the device in Surgery Mode using the patient controller app or clinician programmer app. Confirm the neurostimulation system is functioning correctly after the procedure.
During implant procedures, if electrosurgery devices must be used, take the following actions:
Use bipolar electrosurgery only.
Complete any electrosurgery procedures before connecting the leads or extensions to the neurostimulator.
Keep the current paths from the electrosurgery device as far from the neurostimulation system as possible.
Set the electrosurgery device to the lowest possible energy setting.
Confirm that the neurostimulation system is functioning correctly during the implant procedure and before closing the neurostimulator pocket.
Implanted cardiac systems. Physicians need to be aware of the risk and possible interaction between a neurostimulation system and an implanted cardiac system, such as a pacemaker or defibrillator. Electrical pulses from a neurostimulation system may interact with the sensing operation of an implanted cardiac system, causing the cardiac system to respond inappropriately. To minimize or prevent the implanted cardiac system from sensing the output of the neurostimulation system:
Maximize the distance between the implanted systems;
Verify that the neurostimulation system is not interfering with the functions of the implanted cardiac system; and
Avoid programming either device in a unipolar mode (using the device’s can as an anode) or using neurostimulation system settings that interfere with the function of the implantable cardiac system
Other active implantable devices. The effect of other implanted devices, including deep brain stimulators, peripheral nerve stimulators, implanted drug delivery pumps, and cochlear implants on the neurostimulation system are unknown.
Radiofrequency or microwave ablation. Safety has not been established for radiofrequency (RF) or microwave ablation in patients who have an implanted neurostimulation system. Induced electrical currents may cause heating, especially at the lead electrode site, resulting in tissue damage.
Emergency procedures. Instruct patients to designate a representative (family member or close friend) to notify any emergency medical personnel of their implanted neurostimulation system if emergency care is required. Patients will receive an identification card to carry with them that will inform emergency medical personnel of their implanted system. Advise patients to use caution when undergoing any procedure that could include radiofrequency (RF) or microwave ablation, defibrillation, or cardioversion.
Ultrasonic scanning equipment. The use of ultrasonic scanning equipment may cause mechanical damage to an implanted neurostimulation system if used directly over the implanted system.
Therapeutic radiation. Therapeutic radiation may damage the electronic circuitry of an implanted neurostimulation system, although no testing has been done and no definite information on radiation effects is available. Sources of therapeutic radiation include therapeutic X rays, cobalt machines, and linear accelerators. If radiation therapy is required, the area over the implanted IPG should be shielded with lead. Damage to the system may not be immediately detectable.
Restricted areas. Warn patients to seek medical guidance before entering environments that could adversely affect the operation of the implanted device, including areas protected by a warning notice preventing entry by patients fitted with a pacemaker.
Component manipulation by patients. The patient must be instructed to not rub or exert pressure on implanted components through the skin as this may cause lead dislodgement leading to stimulation at the implant site, IPG inversion leading to the inability to communicate with the device, or skin erosion that can lead to another surgical procedure or possible infection.
Implantation at vertebral levels above T10. The safety and efficacy of implantation of leads implanted above the T10 vertebral level have not been evaluated.
Number of leads implanted. The safety and efficacy of the implantation of greater than four leads have not been evaluated.
Lead movement. Patients should be instructed to avoid bending, twisting, stretching, and lifting objects over 2 kg (5 lb) for at least six weeks after implantation. These activities may cause lead movement, resulting in under stimulation or overstimulation for the patient. Excessive lead migration may require reoperation to replace the leads.
Scuba diving and hyperbaric chambers. Instruct patients to avoid scuba diving and entering hyperbaric chambers above 1.5 atmospheres absolute (ATA) because these activities might damage the neurostimulation system.
Operation of machines, equipment, and vehicles. In the clinical experience with this device, patients have experienced few effects when moving from lying down to sitting up. Therefore, it is unlikely patients will need to adjust stimulation when changing positions or moving.
However, advise patients who feel uncomfortable paresthesia during postural changes that they should not operate potentially dangerous equipment such as power tools, automobiles, or other motor vehicles. These patients should not climb ladders or participate in activities where postural changes or abrupt movements could alter the perception of stimulation intensity and cause patients to fall or lose control of equipment or vehicles or injure others.
Explosive and flammable gasses. Do not use a clinician programmer or patient controller in an environment where explosive or flammable gas fumes or vapors are present. The operation of these devices could cause them to ignite, causing severe burns, injury, or death.
Keep the device dry. Programmer and controller devices are not waterproof. Keep them dry to avoid damage. Advise patients to not use their device when engaging in activities that might cause it to get wet, such as swimming or bathing.
Device components. The use of components not approved for use by Abbott Medical with this system may result in damage to the system and increased risk to the patient.
Device modification. The equipment is not serviceable by the customer. To prevent injury or damage to the system, do not modify the equipment. If needed, return the equipment to Abbott Medical for service.
Application modification. To prevent unintended stimulation, do not modify the operating system in any way. Do not use the application if the operating system is compromised (i.e., jailbroken).
Case damage. Do not handle the IPG if the case is pierced or ruptured because severe burns could result from exposure to battery chemicals.
Cremation. The IPG should be explanted before cremation because the IPG could explode. Return the explanted IPG to Abbott Medical.
IPG disposal. Return all explanted IPGs to Abbott Medical for safe disposal. IPGs contain batteries as well as other potentially hazardous materials. Do not crush, puncture, or burn the IPG because explosion or fire may result.
Product materials. Neurostimulation systems have materials that come in contact or may come in contact with tissue. A physician should determine whether or not a patient may have an allergic reaction to these materials before the system is implanted.
Conscious sedation. The placement of the leads involves some risk, as with any surgical procedure. Conscious sedation can cause side effects such as systemic toxicity, or cardiovascular or pulmonary problems. Use caution when sedating the patient. The patient must be awake and conversant during the procedure to minimize the likelihood of nerve damage.
Preventing infection. Always remove the trial leads before implanting the implant leads to avoid the risk of infection that may cause death if the leads are not removed. Use appropriate sterile technique when implanting leads and the IPG.
Lead damage from tools. Use extreme care when using sharp instruments or electrosurgery devices around the lead to avoid damaging the lead.
Needle positioning. Always be aware of the needle tip position. Use caution when positioning the needle to avoid unintended injury to surrounding anatomical structures.
Needle insertion. When using a contralateral approach, advance the needle slowly into the epidural space and take caution as it enters. The needle will be inserted at a steeper angle than in an antegrade approach and there is a greater chance of dural puncture that will lead to a cerebrospinal fluid leak.
Advancing components. Use fluoroscopy and extreme care when inserting, advancing, or manipulating the guidewire or lead in the epidural space to minimize the risk of a dural tear. Dural puncture can occur if needle or guidewire is advanced aggressively once loss of resistance is achieved. Advance the needle and guidewire slowly. Do not use excessive force to push the lead or sheath into the neural foramen as this may result in permanent or transient nerve damage.
Removing components. Use extreme care when removing the lead stylet, the delivery sheath, and the needle to ensure that the distal tip of the lead remains in the desired location. Removing each item in slow movements while holding the remaining components in place will assist this process.
Sheath insertion warning. Insertion of a sheath without the lead may result in dural puncture. Securing the lead with the lead stabilizer will mitigate this risk.
Sheath retraction. If the sheath needs to be retracted from the epidural space, verify that the steering wing is rotated away from the needle mark no more than 90 degrees. Failure to do so may result in damage to the sheath. Before reinserting the sheath, verify there is no damage to the sheath.
Sheath rotation. If the sheath is not responding to rotation, do not rotate the steering wing out of plane from the curve of the sheath more than 90 degrees. The tip of the sheath may whip around and could cause harm to the patient.
Lead insertion through sheath. If the lead is unable to deploy out of the sheath, inject sterile water or saline slowly to release tissue that may have entered between the sheath and the lead. Do not use excessive pressure when injecting through the sheath.
Removing a kinked sheath. If the sheath has been kinked during delivery, slowly retract through the needle with the curve facing the same direction as the bevel. Failure to do so can damage or cut the lead or sheath. If resistance is encountered, pull the needle out of the epidural space and then remove the sheath.
Providing strain relief. Failure to provide strain relief may result in lead migration requiring a revision procedure.
Anchoring leads. Do not suture directly onto the lead to avoid damaging the lead. Failure to appropriately anchor the lead may cause lead migration, motor activation, or painful stimulation.
Remove leads slowly. Remove leads slowly (at a suggested rate of 1 cm/s while holding the lead between the thumb and forefinger) to avoid breaking the lead and leaving fragments in the patient. If resistance is met while removing leads from the epidural space, do not use excessive force to extract. Always perform removal with the patient conscious and able to give feedback.
The following precautions apply to this neurostimulation system.
Patient selection. It is extremely important to select patients appropriately for neurostimulation. Thorough psychiatric screening should be performed. Patients should not be dependent on drugs and should be able to operate the neurostimulation system.
Infection. Follow proper infection control procedures. Infections related to system implantation might require that the device be explanted.
Implantation of multiple leads. If multiple leads or extensions are implanted, the leads and extensions should be routed in close proximity. Nonadjacent leads and extensions have the possibility of creating a conduit for stray electromagnetic energy that could cause the patient unwanted stimulation.
High stimulation outputs. Stimulation at high outputs may cause unpleasant sensations or motor disturbances, or render the patient incapable of controlling the stimulator. If unpleasant sensations occur, the device should be turned off immediately.
Postural changes. In the clinical experience with this device, patients have experienced few effects when moving from lying down to sitting up. Therefore, it is unlikely patients will need to adjust stimulation when changing positions or moving. However, some patients may experience a decrease or increase in the perceived level of stimulation. Perception of higher levels of stimulation has been described by some patients as uncomfortable, painful, or jolting.
Advise patients who experience these types of stimulation changes to turn down the amplitude or turn off the IPG before making extreme posture changes or abrupt movements such as stretching, lifting their arms over their heads, or exercising. If unpleasant sensations occur, the IPG should be turned off immediately.
Advise patients about adverse effects. Instruct patients to contact their physician if they experience any adverse effects, such as unusual pain or discomfort during stimulation and swelling, redness, tenderness, or pain around implanted components.
Patient training. Instruct patients to use their neurostimulation system only after an authorized clinician has programmed the device and has trained the patient how to control stimulation and safely use the system.
Programmer use. Allow only authorized use of the clinician programmer to avoid any programming changes that may injure a patient.
Battery precaution. The clinician programmer and patient controller contain a battery and other potentially hazardous materials. Do not crush, puncture, or burn these devices because explosion or fire may result. Return them to Abbott Medical for proper disposal.
Stimulation effectiveness. The long-term effectiveness of dorsal root ganglion (DRG) stimulation has not been documented, and not all patients realize the long-term benefits from DRG stimulation. Stimulation effectiveness has been established for one year.
Single-use, sterile device. The implanted components of this neurostimulation system are intended for a single use only. Sterile components in this kit have been sterilized using ethylene oxide (EtO) gas before shipment and are supplied in sterile packaging to permit direct introduction into the sterile field. Do not resterilize or reimplant an explanted system for any reason.
Storage environment. Store components and their packaging where they will not come in contact with liquids of any kind.
Expiration date. An expiration date (or “use-before” date) is printed on the packaging. Do not use the system if the use-before date has expired.
Package or component damage. Before opening any sterile package, verify the kit model number, that the kit is within its expiration (use-before) date, and that the packaging has not been damaged or compromised in any way. If the packaging has been compromised, the device is beyond its expiration date, or the sterile package or device show signs of damage, do not use the device as it may be compromised and could cause harm to the patient. Return any suspect components to Abbott Medical for evaluation.
Handle the device with care. The clinician programmer and patient controller are sensitive electronic devices that can be damaged by rough handling, such as dropping them on the ground.
Lead inspection. Carefully inspect the lead (in the sterile field) for damage after removing it from the sterile package. Damage to the lead body can cause improper function and stimulation or stimulation to areas other than the intended target.
Care and handling of components. Use extreme care when handling system components prior to implantation. Excessive heat, excessive traction, excessive bending, excessive twisting, or the use of sharp instruments may damage and cause failure of the components.
Component handling. Do not bend, kink, or stretch the lead body, sheaths, or other components as this may result in damage to the component and poor function.
Using surgical instruments. Do not use surgical instruments to handle the lead. The force of the instruments may damage the lead or stylet.
Using the tunneling tool. Use extreme care to not damage the lead with the sharp point of the tunneling tool.
Component manipulation. Do not over-manipulate the sheath and lead system as this may result in trauma within the epidural space.
Stylet handling. Do not bend, kink, or use surgical instruments on the stylet, as this may damage it. Use care when reinserting a stylet. Too much pressure on the stylet could damage the lead, resulting in intermittent or loss of stimulation. Remove the stylet from the lead only when satisfied with lead placement. If the stylet is removed from the lead, it may be difficult to reinsert it.
Sheath insertion precaution. Do not insert the sheath into the epidural space without the lead or guidewire inserted, as this may cause injury to the dura.
Stabilizing the lead during insertion. When inserting the lead-sheath assembly through the needle into the epidural space, tighten the lead stabilizer to prevent lead migration out of the sheath. Failure to do so may cause harm to the patient such as damage to the dura.
Bending the sheath. Do not bend the sheath without the lead inside the sheath, as this will permanently kink it and make it difficult to deploy the lead.
Lead handling. If the operating field is bloody, wipe gloves, lead, stylet, and sheath before handling the lead. Failure to do so may result in difficulty delivering the lead.
Exposure to body fluids or saline. Prior to connection, exposure of the metal contacts, such as those on the connection end of a lead or extension, to body fluids or saline can lead to corrosion. If such exposure occurs, clean the affected parts with sterile, deionized water or sterile water for irrigation, and dry them completely prior to lead connection and implantation.
Inserting the anchor. Failure to push the short end of the soft tissue anchor into the ligament or fascia may result in lead migration and a procedure to revise the lead location.
Securing the anchor. Use caution when securing the soft tissue anchor because damage to the anchor or lead can occur and result in failure of the system.
Placing the IPG. Do not place the IPG deeper than 4.0 cm (1.57 in) because the clinician programmer or patient controller may not communicate effectively with the IPG.
Securing the IPG. Do not bring the suture needle in contact with an IPG, lead, or extension, or the component may be damaged.
System testing. To ensure correct operation, always test the system during the implant procedure, before closing the neurostimulator pocket, and before the patient leaves the surgery suite.
Conscious sedation during removal. Always perform removal of implanted components with the patient conscious and able to give feedback.
Surgical advice for removal. If resistance is met while removing leads from the epidural space, do not use excessive force to extract. Consider seeking surgical advice if you cannot easily remove a lead.
Component disposal. Return all explanted components to Abbott Medical for safe disposal.
High-output ultrasonics and lithotripsy. The use of high-output devices, such as an electrohydraulic lithotriptor, may cause damage to the electronic circuitry of an implanted IPG. If lithotripsy must be used, do not focus the energy near the IPG.
Transcranial magnetic stimulation (TMS) and electroconvulsive therapy (ECT). Safety has not been established for TMS or ECT in patients who have an implanted neurostimulation system. Induced electrical currents may cause heating, especially at the lead electrode site, resulting in tissue damage.
Transcutaneous electrical nerve stimulation (TENS). Do not place TENS electrodes so that the TENS current passes over any part of the neurostimulation system. If patients feel that the TENS device may be interfering with the neurostimulator, patients should discontinue using the TENS device until they talk with their physician.
Electromagnetic interference (EMI). Some equipment in home, work, medical, and public environments can generate EMI that is strong enough to interfere with the operation of a neurostimulation system or damage system components. Patients should avoid getting too close to these types of EMI sources, which include the following examples:
commercial electrical equipment (such as arc welders and induction furnaces)
communication equipment (such as microwave transmitters and high-power amateur transmitters)
high-voltage power lines
radiofrequency identification (RFID) devices
some medical procedures (such as therapeutic radiation, static magnetic field [SMF] therapy, and electromagnetic lithotripsy)
and some medical devices (such as bone growth stimulators, transcutaneous electrical nerve stimulation [TENS] devices, dental drills, and ultrasonic probes)
Interference with wireless equipment. Wireless communications equipment, such as mobile and cordless phones and walkie-talkies, may interfere with the IPG if the equipment gets too close to the IPG. To correct the effects of typical interference, keep wireless communication equipment at least 15 cm (6 in) from the IPG.
Wireless use restrictions. In some environments, the use of wireless functions (e.g., Bluetooth® wireless technology) may be restricted. Such restrictions may apply aboard airplanes, in hospitals, near explosives, or in hazardous locations. If you are unsure of the policy that applies to the use of this device, please ask for authorization to use it before turning it on. (Bluetooth® is a registered trademark of Bluetooth SIG, Inc.)
Security, antitheft, and radiofrequency identification (RFID) devices. Some antitheft devices, such as those used at entrances or exits of department stores, libraries, and other public places, and airport security screening devices may affect stimulation.
Additionally, RFID devices, which are often used to read identification badges, as well as some tag deactivation devices, such as those used at payment counters at stores and loan desks at libraries, may also affect stimulation.
Patients who are implanted with nonadjacent multiple leads and patients who are sensitive to low stimulation thresholds may experience a momentary increase in their perceived stimulation, which some patients have described as uncomfortable or jolting. Patients should cautiously approach such devices and should request help to bypass them. If they must go through a gate or doorway containing this type of device, patients should turn off their IPG and proceed with caution, being sure to move through the device quickly.
Overcommunicating with the IPG. Advise patients to use their patient controller to communicate with their IPG only when needed because excessive communication with the IPG can shorten the remaining battery life.
Mobile phones. While interference with mobile phones is not anticipated, technology continues to change and interaction between a neurostimulation system and a mobile phone is possible. Advise patients to contact their physician if they are concerned about their mobile phone interacting with their neurostimulation system.
In addition to those risks commonly associated with surgery, the following risks are associated with using this neurostimulation system:
Unpleasant sensations or motor disturbances, including involuntary movement, caused by stimulation at high outputs (if either occurs, turn off your IPG immediately.)
Undesirable changes in stimulation, which may be related to cellular changes in tissue around the electrodes, changes in electrode position, loose electrical connections, or lead failure or breakage
Stimulation in unwanted places (such as stimulation of the chest wall)
Lead migration, causing changes in stimulation or reduced pain relief
Epidural hemorrhage, hematoma, infection, spinal cord compression, or paralysis from placement of a lead in the epidural space Cerebrospinal fluid (CSF) leakage
Tissue damage or nerve damage
Paralysis, weakness, clumsiness, numbness, sensory loss, or pain below the level of the implant
Pain or bleeding where the needle was inserted
Persistent pain at the electrode or IPG site
Escalating pain
Seroma (mass or swelling) at the implant site
Headache
Allergic or rejection response to device or implant materials
Implant migration or skin erosion around the implant
Battery failure, leakage, or both
Hardware malfunction that requires replacing the neurostimulator
Pain from a noninjurious stimulus to the skin or an exaggerated sense of pain
Formation of reactive tissue in the epidural space around the lead, which can cause delayed spinal cord compression and paralysis and requires surgical intervention (Time to onset can range 23 from weeks to many years after implant.)
Additional risks to the patients, as a result of the placement and stimulation of the lead in the area of the dorsal root ganglion (DRG), include pain from setting the stimulation parameters too high. This may occur once the lead is in place and is connected to the neurostimulator and activated. The neurostimulator is controlled by a trained operator and the starting point for the stimulation will be set to the lowest available settings. Additionally, all patients will be awake and conversant during the procedure to minimize the impact.
71376 MAT-2006974 v2.0 | Item approved for U.S. use only.
Read this section to gather important prescription and safety information.
The IonicRF™ Generator, in combination with approved compatible electrodes and cannulae, is intended for lesioning of neural tissue in the nervous system as an aid in the management of pain.
The IonicRF™ Generator, in combination with approved compatible electrodes and cannulae, is indicated as an aid in the management of pain in the nervous system. Examples include facet denervation, trigeminal rhizotomy, and related functional neurosurgical procedures.
The use of this device is contraindicated in patients with systemic infection or local infection in the area of the procedure.
The following warnings apply to this generator.
Instructions for use. Read and understand the instructions for use provided in this clinician's manual before operating the generator.
Hazardous electrical output. The generator is for use only by qualified medical personnel.
Electric shock hazard. This device presents an electric shock hazard under certain conditions. Physicians need to be aware of the following warnings:
To avoid risk of electric shock, this equipment must only be connected to a supply mains with protective earth.
Only approved medical grade power cords can be used with the generator. Use only the power cord specified for this unit. No modification of this equipment is allowed.
Do not attempt to service or modify the equipment. For service, contact Abbott Medical.
Do not under any circumstances perform testing or maintenance on the equipment while it is being used on a patient.
Replace the power cord or plug immediately if it is cracked, frayed, broken, or otherwise damaged.
Turn off the equipment and unplug the power cord before cleaning or servicing.
Do not allow any fluid to enter the ventilation holes or sockets.
Equipment failure. A failure of the equipment could result in an unintended increase of output power. If unexpected parameters are observed that do not correspond to the preset values, halt the procedure immediately by pressing the Emergency Stop button on the top of the generator. Do not operate the equipment again until the source of the problem is identified and corrected.
Explosion hazard. Do not use this equipment in the presence of a flammable anesthetic mixture with air, oxygen, or nitrous oxide.
Fire hazard. This device presents a fire hazard under certain conditions. Physicians need to be aware of the following warnings:
Do not use extension cords or adapters of any type. The power cord and plug must be intact and undamaged.
Use recommended non-flammable agents for cleaning and disinfection whenever possible. See “Cleaning the Generator” (page 32).
Flammable agents for cleaning, disinfecting, or as solvents of adhesives must be allowed to evaporate before using radiofrequency (RF) surgery.
Do not place electrodes near or in contact with flammable materials.
Pooling hazard. Flammable solutions may pool under the patient or in body depressions, such as the umbilicus, and in body cavities, such as the vagina. Remove fluids pooled in body depressions and cavities before using the generator.
Ignition hazard. Be aware of and take care to avoid the danger of ignition of endogenous gasses (e.g., cotton and gauze saturated with oxygen may be ignited by sparks produced during normal use of the generator).
Risk of RF burns and unintended stimulation. Do not turn the generator power on while touching any electrodes or probes. Do not place a generator-connected electrode that is not being used in contact with the patient.
Risk of RF burns to patient. This device presents a risk of RF burns to the patient under certain conditions. Physicians need to be aware of the following warnings:
Ensure the patient does not come into contact with metal parts of the table and its accessories. Antistatic sheeting is recommended.
Avoid skin-to-skin contact between different parts of patient’s body (for example between the arms and the body of the patient). Use dry gauze if necessary.
Avoid using physiological monitoring equipment during a procedure. If monitoring is required, place monitoring electrodes as far as possible from the electrode. Monitoring devices that use needle electrodes are not recommended. In all cases, monitoring systems with high-frequency current limiting devices are recommended.
Connection of a patient to high-frequency surgical equipment and to electromyograph or evoked response equipment simultaneously may result in burns at the site of the electrodes and possible damage to the applied parts.
Position all cables to the electrode and grounding pad (also known as the return electrode, dispersive electrode, or neutral electrode) to avoid contact with other electrodes and other metal objects.
Place temporarily unused electrodes connected to the generator in a container or area that is electrically isolated from the patient. Never place a generator-connected electrode that is not being used in contact with the patient. When not in use, place accessories in a clean, dry, highly visible area away from patient contact.
When not in use, place accessories in a clean, dry, highly visible area away from patient contact.
Only use grounding pads listed in the Accessories section of this manual. See "Appendix B: System Components and Accessories" (page 1).
When positioning the grounding pad, select a well-vascularized muscular site with proximity to the procedure. See "Applying the Grounding Pad" (page 20).
Place the long side of the grounding pad perpendicular to the direction of the current flow from the operative site. See "Applying the Grounding Pad" (page 20).
Do not place the grounding pad over scars, bony prominences, prostheses, hair, or EKG electrodes.
Do not place the grounding pad in a location where fluids may pool.
If the patient is sedated, place your hand on the backside of the grounding pad, while still leaving it attached to the patient. If the grounding pad is unreasonably hot (a temperature greater than 46°C), stop the procedure by pressing the Emergency Stop button.
If the patient complains of heating at the grounding pad site, stop the procedure and remove the grounding pad from the patient.
Before applying power to the electrodes, ensure that the entire area of the grounding pad is firmly adhered to a suitably prepared and appropriate area of the patient’s body as defined in the grounding pad instructions for use.
If the continuity monitor alarm is triggered, remove and discard the grounding pad. Place a new grounding pad on a fresh patch of skin.
If unexpected parameter readings are observed that do not correspond to the preset values, halt the procedure immediately by pressing the Emergency Stop button. Do not operate the equipment again until the source of the problem is identified and corrected.
Interference with active implants. Check whether the patient has a cardiac pacemaker or other active implantable device and, if so, obtain qualified advice before using the generator. Operating the generator may interfere with or damage the implanted device.
Redirection of high-frequency currents. Check whether the patient has an electrically conductive implant and, if so, obtain qualified advice before using the generator. Operating the generator may cause concentration or redirection of high-frequency currents.
Interference with other equipment. During RF lesioning procedures, the radiated electrical fields may interfere with other electrical medical equipment. See "Minimizing Electromagnetic Interference" (page 5).
Shortwave or microwave equipment. Operation in close proximity to shortwave or microwave therapy equipment may produce instability in the applied parts.
Apparent low output or failure of equipment. If low output is observed or the equipment does not function correctly at normal operating setting, check the grounding pad and its connections.
Risk of patient injury. Do not use endoscopically. The accessories are not appropriate for endoscopic use.
Proper device use. Do not operate the generator if the alert tones are not audible after the volume is adjusted.
Non-sterile. The generator is non-sterile and should be kept outside of the sterile field.
Accessories. Use only accessories approved by Abbott Medical. See “Appendix B: System Components and Accessories” (page 40).
Continuity monitoring. The generator uses continuity monitoring. Loss of full contact between the neutral electrode and the patient will result in an auditory alarm.
The following precautions apply to this generator.
Inspection. Inspect the generator and reusable accessories before each use. In particular, check the electrode cable insulation for possible damage.
Mechanical damage. If the equipment has suffered any mechanical damage, return it to the supplier for inspection and testing before further use.
Electrode positioning. Do not activate the generator output until the electrodes are correctly positioned in the patient.
Use of fluids. If fluids are being used during a procedure, ensure that they are positioned away from the generator.
Dispersive connections. Ensure that the grounding pad is connected to the patient and to the generator.
Cleaning the generator. When cleaning the outer casing or touchscreen, do not use abrasive agents or solvents. See "Cleaning the Generator" (page 32).
Emergency stop. For safety, always have someone positioned next to the Emergency Stop button during operation. If at any time the device is behaving erratically, press the Emergency Stop button, located on top of the generator, which will return the device to a safe state. For example, if the displayed temperature and graph do not match the desired set temperature.
Possible adverse events that may result from the use of this device include, but are not limited to, the following:
As a consequence of electrosurgery, damage to surrounding tissue through iatrogenic injury can occur.
Nerve injury, including thermal injury, or puncture of the spinal cord or nerve roots, potentially resulting in radiculopathy, paresis, and paralysis.
Pain, pulmonary embolism, hemothorax or pneumothorax, infection, unintended puncture wound, including vascular puncture and dural tear, hemorrhage, and hematoma.
71391 MAT-2006978 v2.0 | Item approved for U.S. use only.
23-78966 MAT-2213600 v5.0 | Item approved for U.S. use only.
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24-90211 2011056 v9.0 | Item approved for U.S. use only.
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72188 MAT-2214515 v1.0 | Item approved for U.S. use only.
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72184 MAT-2214513 v1.0 | Item approved for U.S. use only.
Chronic Pain