# K060669: Medrelief ST Series, Models RT-50, ST-100, ST 150, ST-200, ST-300

- Pathway: 510(k) (Traditional)
- Applicant: Healthonics, Inc.
- Decided: Oct 13, 2006 after 213 days
- Product code: GZJ (Stimulator, Nerve, Transcutaneous, For Pain Relief)
- Device class: 2
- Regulation: 21 CFR 882.5890
- 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 K971437 (1997). 8 ancestors in all.
2 later devices descend from it; 2 cite it directly.
0 of 11 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K030998: Medrelief SE Series, Models SE-50, SE-100, SE-200, SE-300, Healthonics, Inc. (2003) Summary page 1.
- K030332: Modification to Bionicare Stimulator System, Model Bio-1000, Bionicare Medical Technologies, Inc. (2003) Summary page 1.
- K983228: Bionicare Stimilator System, Model Bio-1000, Murray Electronics (1999) Summary page 1.

## Most influential descendants
- K062616: Wellnesspro 2010 (2007), 0 descendants of its own
- K062325: RS-4I Muscle Stimulator Family (2007), 0 descendants of its own

## Indications for use
Relief of chronic intractable pain. Adjunctive treatment of post-surgical or post-traumatic acute pain. Relief of chronic intractable pain. Adjunctive treatment of post-surgical or post-traumatic acute pain. Adjunctive therapy in reducing the level of pain associated with osteoarthritis of the knee. Adjunctive therapy in reducing the level of pain from rheumatoid arthritis of the hand.

Source page: https://510kreport.com/device/K060669
Methodology: https://510kreport.com/methodology