# K033140: Neuromuscular Electrical Stimulator, Model EV-807P

- Pathway: 510(k) (Special)
- Applicant: Everyway Medical Instruments Co.,Ltd
- Decided: Oct 29, 2003 after 29 days
- Product code: IPF (Stimulator, Muscle, Powered)
- Device class: 2
- Regulation: 21 CFR 890.5850
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 2 generations back to K010665 (2001). 2 ancestors in all.
No later device cites it as a predicate yet.
0 of 3 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K020750: Digital Electrical Muscle Stimulator, Model EV-807 Digital Ems, Everyway Medical Instruments Co.,Ltd (2002)

## Indications for use
EV-807P Electrical Muscle Stimulator is an electrically powered muscle stimulator intended for use for medical purposes to repeatedly contract muscles by passing electrical currents through electrodes contacting the affected body area. In particular, this device is indicated for use for: - Relaxing muscle spasms - Increasing local blood circulation. - Immediate post-surgical stimulation of calf muscles to prevent venous thrombosis. - Muscle re-education. - Maintaining or increasing range of motion - Preventing or retarding disuse atrophy

Source page: https://510kreport.com/device/K033140
Methodology: https://510kreport.com/methodology