Temperature Control and Flexible Injection for Sensitive Spinal Targets
The CU electrode has a discrete, ergonomic hub for clear fluoroscopic views and easy handling. The 5 mm active tip size is well suited for radiofrequency facet deneravations, DRG pulsed RF, podatric RF, and other RF procedures. Each electrode comes sterile-packed to eliminate sterilization planning, and has sharp, beveled tip to eliminate the need for an introducer cannula. A variety of shaft lengths are available for targeting nerves in different parts of the spine:
- 6 cm
- 10 cm
- 15 cm
The CU Simplifies RF Procedures and Improves Precision
In classical RF practice, the RF cannula is electrified using a separate RF electrode, and numerous manipulations are required to both inject anesthetic and lesion a nerve. Today, the new Cosman CUTM injection electrode unifies a cannula, electrode, and flexible injection port into a single tissue-piercing, temperature-measuring device. Since the CU electrode does not need to be manipulated through stimulation, injection, and lesioning, you can ensure that the electrode doesn't shift from its intended position.
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Cosman Unified Kit (CU) ![]() |
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Cables and Organizers
The CU injection electrode's leader cable connects a sterilizable ~3-meter cable (CB114-TC) that, in turn, connects to an RF generator.
The G4 cable organizer (G4-CO) can be used to keep CB114-TC cable from twisting when multiple CU electrodes are connected to the G4 four-electrode RF generator.
References
- Finney W, Wiener SN, Catazariti F. Treatment of Morton’s Neuroma Using Percutaneous Electrocoagulation. Journal of the American Podiatric Medical Association 1989; 79(12): 615-618. [PDF]
- Sollitto RJ, Plotkin EL, Klein PG, Mullin P. Early Clinical Results of the Use of Radiofrequency Lesioning in the Treatment of Plantar Fasciitis. The Journal of Foot & Ankle Surgery 1997; 36(3): 215-219. [PDF]
- Cione JA, Cozzarelli J, Mullin CJ. A Retrospective Study of Radiofrequency Thermal Lesioning for the Treatment of Neuritis of the Medial Calcaneal Nerve and its Terminal Branches in Chronic Heel Pain. The Journal of Foot & Ankle Surgery 2009; 48(2): 142–147. [PDF]
- Liden B, Simmons M, Landsman AS. A Retrospective Analysis of 22 Patients Treated with Percutaneous Radiofrequency Nerve Ablation for Prolonged Moderate to Severe Heel Pain Associated with Plantar Fasciitis. The Journal of Foot & Ankle Surgery 2009; 48(6): 642-647.
- Louisia S, Masquelet AC. The medial and inferior calcaneal nerves: an anatomic study. Surgical and Radiologic Anatomy 1999; 21: 169-173. [PDF]

