# K082012: Cosman RF Injection Electrodes, Models CU, Cur, CCD, TCD, CP, CR, CN

- Pathway: 510(k) (Traditional)
- Applicant: Cosman Medical, Inc.
- Decided: Oct 14, 2008 after 91 days
- Product code: GXI (Probe, Radiofrequency Lesion)
- Device class: 2
- Regulation: 21 CFR 882.4725
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 7 generations back to K870028 (1987). 14 ancestors in all.
3 later devices descend from it; 1 cites it directly.
0 of 18 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K042375: SMK, CX, Cxe, RCN, Technomed Europe (2004) Summary page 1.
- K050084: Cosman RF Lesion Generator, Model RFG-1A; Cosman Tew Trigeminal Electrode Kit; Cosman Tic Trigeminal Electrode Kit;, Cosman Medical, Inc. (2005) Summary page 1.
- K060799: Cosman CSK RF Cannula; Cosman RFK RF Cannula, Cosman Medical, Inc. (2006) Summary page 1.

## Most influential descendants
- K123178: Stryker Venom Electrodes and Cannulae (2013), 2 descendants of its own
- K191293: LCCS VC-S RF Cannula (2020), 0 descendants of its own
- K170242: MultiGen™ 2 RF Generator System (2017), 0 descendants of its own

## Indications for use
The Cosman RF Injection Electrodes are used for percutaneous nerve blocks with local anesthetic solution or for radiofrequency lesioning. The nerve is localized either by electrical stimulation or by injecting contrast medium through the device and using radiography concomitantly. The nerve may then be blocked by injection of local anesthetic solution or a radiofrequency lesion is made.

Source page: https://510kreport.com/device/K082012
Methodology: https://510kreport.com/methodology