This article compares two approaches side by side to clarify how they differ in principle and practice. A central technique is radiofrequency (RF) treatment, in which controlled energy is delivered through an electrode to thermally ablate or modulate nerves that transmit pain signals. As a medical device manufacturer, INVAMED develops technologies in this area; the information here is educational and not medical advice.
Background: Chronic Pain Managed with Interventional Radiofrequency Techniques
Whether an RF procedure is appropriate, and which target is selected, is a clinical decision made by a pain specialist after diagnostic assessment. Interventional pain management, sometimes called algology, addresses chronic back, neck, joint, and tumor-related pain that has not responded adequately to conservative measures. A central technique is radiofrequency (RF) treatment, in which controlled energy is delivered through an electrode to thermally ablate or modulate nerves that transmit pain signals.
Thermal RF vs Pulsed RF: Key Differences
Thermal RF creates a heat lesion by continuously raising nerve tissue temperature, while pulsed RF applies energy in bursts to modulate the nerve. Thermal RF is associated with a defined ablative lesion, whereas pulsed RF is intended to reduce thermal tissue effect. Generators such as the INVAMED Peta platform support controlled delivery through temperature and impedance feedback in both approaches. Which mode is appropriate depends on the target and is decided by the treating clinician.
How INVAMED Supports Both Approaches
INVAMED's pain management portfolio centres on radiofrequency lesion generators and electrode systems, organized by the anatomical target and the type of RF energy delivered. The range includes the Peta RFA for Pain with real-time temperature, impedance, and lesion-size feedback, the Peta RFA System, Nerve for cervical, thoracic, lumbar, and sacroiliac targets, the Peta RFA for Knee Pain, the Fusion Intraosseous RFA System for Spinal Tumors, and the ThermoEdge RFA Platform. Procurement teams should confirm local regulatory registration and indication status, which vary by market.
Key Considerations
- INVAMED pain management devices are for use by trained pain specialists under imaging guidance and per the instructions for use.
- Real-time feedback on temperature, impedance, and lesion size is intended to support safe energy titration during RF procedures.
- The literature commonly cites facet RF relief in the range of about 6 to 12 months, but individual duration varies and is not guaranteed.
Frequently Asked Questions
Who decides if radiofrequency ablation is appropriate?
A qualified pain specialist decides based on individual assessment and diagnostic blocks; this article is educational and not a treatment recommendation.
How long does RF ablation relief last?
The literature commonly cites facet-related relief of about 6 to 12 months, but duration varies by patient and target and is discussed with the treating specialist.
Can RF ablation be repeated if pain returns?
Because treated sensory nerves can regenerate, a repeat procedure may be considered in appropriate cases; the timing is an individualized clinical decision.
About INVAMED
Device availability and regulatory status vary by country. Please contact INVAMED or your authorized local distributor for current regulatory information applicable to your region.
Clinical and Technical Context
Generators such as the INVAMED Peta platform provide real-time feedback on temperature and impedance to support controlled energy delivery. Generator settings are managed by the operator according to the target and the device instructions for use. The INVAMED Fusion Intraosseous Radiofrequency Ablation System for Spinal Tumors is positioned for this within-bone application. Thermal RF creates a heat lesion to interrupt pain transmission, while pulsed RF applies energy in bursts intended to modulate the nerve without the same degree of thermal lesioning. INVAMED pain management devices are for use by trained pain specialists under imaging guidance and per the instructions for use. Real-time feedback on temperature, impedance, and lesion size is intended to support safe energy titration during RF procedures. The specific nerves treated and the extent of lesioning are clinical decisions made under imaging guidance. The INVAMED Peta RFA System, Nerve is positioned for nerve-targeted thermal lesioning across cervical, thoracic, lumbar, and sacroiliac applications.
Related on INVAMED
- Pain Management, Spine & Algology — product category
- Fusion Intraosseous Radiofrequency Ablation System for Spinal Tumors: Features, Specifications and Clinical Role
- What are the side effects of radiofrequency ablation?
- Is radiofrequency ablation the same as rhizotomy?
Important Disclaimer
The information here is provided for educational purposes and to describe device technology; it is not a substitute for professional medical advice, diagnosis, or treatment. Only a licensed healthcare provider can determine whether a given procedure or device is appropriate for a specific patient. INVAMED products are restricted to use by qualified professionals following the official IFU. Regulatory clearance and labeling differ between regions, and not all products or indications are available in every market.
Reviewed by the INVAMED Medical Affairs team. Content is educational and technical in nature.