# K241917: EARP Nerve Cuff Electrode

- Pathway: 510(k) (Special)
- Applicant: Retropsoas Technologies, LLC
- Decided: Jul 31, 2024 after 30 days
- Product code: ETN (Stimulator, Nerve)
- Device class: 2
- Regulation: 21 CFR 874.1820
- 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 K923056 (1992). 14 ancestors in all.
No later device cites it as a predicate yet.
0 of 15 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K230853: EARP Nerve Cuff Electrode, Nvision Biomedical Technologies, Inc. (2023) Summary page 5.

## Indications for use
The EARP Nerve Cuff Electrode is used to perform localized stimulation of neural tissue and to locate, identify, and monitor spinal nerve roots during surgery.

Source page: https://510kreport.com/device/K241917
Methodology: https://510kreport.com/methodology