AVANOS PMF22-100-10CS Curved Sharp RF Cannula

Condition: New
Part #: PMF22-100-10CS

$3,000.00

AVANOS PMF22-100-10CS Curved Sharp RF Cannula

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SKU: PMF22-100-10CS Categories: ,
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Description

The Avanos PMF22-100-10CS is a premium, sterile, single-use radiofrequency (RF) cannula engineered for clinicians who require high-level precision in interventional pain management. This 22-gauge, 100 mm device is specifically designed to facilitate access to targeted nerve tissues, serving as the essential conduit for Avanos RF probes.

By combining a curved, sharp-tipped architecture with medical-grade insulation, the PMF22-100-10CS allows for superior maneuverability around complex bony anatomies. It is a critical component in the delivery of targeted thermal energy for nerve ablation, providing a reliable solution for patients suffering from chronic pain conditions where precision is paramount for successful outcomes.


Core Technology and Mechanism of Action

The AVANOS PMF22-100-10CS functions as the foundational entry tool for Radiofrequency Ablation (RFA). Its design focuses on three technical pillars:

  • Curved Geometry: The intentional curve at the distal end allows the practitioner to navigate “around the corner” of anatomical obstructions, such as the articular processes in the spine, ensuring the active tip is placed in parallel proximity to the target nerve.

  • Sharp Tip Penetration: The sharp-tipped design reduces insertion force and improves tactile feedback, allowing for smoother transition through tough ligamentous tissue.

  • Electrode Guide: Once the cannula is positioned using fluoroscopic or ultrasound guidance, it acts as a sterile channel for RF probes (like the PMP-SU series). The cannula’s insulation ensures that the RF energy is only discharged at the non-insulated active tip, creating a precise, predictable thermocoagulation lesion.


Primary Clinical Applications

This cannula is optimized for procedures targeting the sensory nerves responsible for chronic pain. Key applications include:

  • Facet Joint Syndrome: Targeting the medial branch nerves for lumbar, thoracic, or cervical facet denervation.

  • Sacroiliac (SI) Joint Dysfunction: Accessing the lateral branch nerves to alleviate chronic lower back and hip pain.

  • Peripheral Nerve Lesioning: Procedures requiring a 22G profile for small-nerve access.

  • Trigeminal Neuralgia: Where specific lengths and curved tips are required for foraminal navigation.


Key Advantages for Practitioners

  • Enhanced Maneuverability: The curved sharp tip is indispensable for challenging anatomies where a straight approach is hindered by bone or dense tissue.

  • System Compatibility: Seamlessly integrates with the Avanos RF generator and PMP-series probes (e.g., PMP-22-100-SU), eliminating the risk of mismatched equipment during critical procedures.

  • Aseptic Safety: The single-use, sterile-packed design eliminates the cost and risk associated with reprocessing, ensuring a sharp, burr-free needle for every patient.

  • Procedural Versatility: Available in various gauges and lengths to allow clinicians to tailor their toolset to the specific depth and nerve size of the patient.


Technical Specifications & Comparison

Model Gauge Length Tip Design Primary Application
PMF22-100-10CS 22G 100 mm Curved Sharp Facet / SI Joint Access
PMP-22-100C-SU 22G 100 mm Straight General RF Probing
CRKA-17-75-5.5 17G 75 mm Curved Deeper, Large Lesions

Treatment Process Overview

  1. Guidance: Under fluoroscopic or ultrasound visualization, the PMF22-100-10CS is inserted toward the target nerve.

  2. Navigation: The curved tip is rotated to steer the cannula into the optimal position, typically parallel to the nerve.

  3. Testing: An RF probe is inserted through the cannula. Sensory and motor stimulation is performed to confirm proximity to the sensory nerve and distance from any motor nerves.

  4. Ablation: Thermal energy is applied through the probe, which is insulated by the cannula body, to create the lesion at the active tip.

  5. Removal: The probe and cannula are removed as a single unit, and the site is dressed.


Frequently Asked Questions

What are the specific benefits of the curved tip on the PMF22-100-10CS?

The curved tip allows for “steerability” during insertion. In spinal procedures like facet denervation, bony structures often block a straight path to the nerve. By rotating the cannula, clinicians can navigate around these obstructions to place the active tip in the exact location required for an effective lesion.

Is the Avanos PMF22-100-10CS reusable after sterilization?

No, this cannula is strictly designed for single-use only. Reusing RF cannulas can lead to dulling of the sharp tip, degradation of the electrical insulation, and an increased risk of cross-contamination. Using a fresh, sterile cannula for every procedure ensures consistent performance and maximizes patient safety.

Which RF probes are compatible with this specific cannula model?

The PMF22-100-10CS is optimized for use with Avanos RF probes, specifically those matching the 22-gauge and 100 mm specifications, such as the PMP-22-100-SU. Using compatible probes ensures that the probe tip sits correctly within the cannula’s active window for precise energy delivery.

Does this cannula support both sensory and motor stimulation?

Yes. While the cannula itself is a guide, it facilitates the insertion of the RF probe which performs the stimulation. The cannula’s high-quality insulation ensures that stimulation and subsequent lesioning occur only at the uninsulated active tip, preventing accidental energy transfer to non-target tissues.

What is the significance of the 22-gauge diameter?

The 22-gauge diameter is a standard “mid-range” size that balances structural rigidity with patient comfort. It is thin enough to minimize procedural pain and tissue trauma, yet sturdy enough to resist deflection during navigation through tough ligaments or near bony structures in the lumbar spine.

Can this cannula be used for SI joint sacroiliac procedures?

Absolutely. The 100 mm length and curved tip make it an excellent choice for sacroiliac lateral branch neurotomy. The curve helps the clinician follow the contours of the sacrum to reach the specific nerves exiting the sacral foramina, which are often difficult to access with straight needles.

Listing Terms & Conditions

We ship worldwide, please inquire the shipping rate to your country before placing an order.

We carry all products of this brand in the listing, please let me know if you have any other inquires which is not listed in our store.

All purchases over $1,000 must be paid by wire transfer. We cannot accept international credit card payments for orders over $1,000.

Due to worldwide shipping delays, it is possible that items listed could be on backorder. If the item is unavailable for an extended period, we sincerely apologize for the delay. In this case, we will refund you as soon as we are notified of the backorder and contact you with the confirmation of refund.