# K973929: Neotonus MS-101 Magnetic Muscle Stimulator System

- Pathway: 510(k) (Traditional)
- Applicant: Neotonus, Inc.
- Decided: May 21, 1998 after 218 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
No predicates in its family tree.
21 later devices descend from it; 2 cite it directly.
0 of 22 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. The FDA summary names its predicate without a number.
- (no number) RICH-MAR Theratouch electrical muscle stimulator: named in the summary without a submission number

## Most influential descendants
- K160992: HPM-6000 (2016), 18 descendants of its own
- K190456: BTL 799-2L (2019), 11 descendants of its own
- K203710: Storz Medical MAGNETOLITH Muscle Stimulator (2021), 4 descendants of its own
- K200382: BTL-703-2 (2021), 4 descendants of its own
- K203488: emField (2021), 3 descendants of its own

## Indications for use
The Neotonus MS-101 Magnetic Muscle Stimulator System is intended to be used under medical supervision for adjunctive therapy for the treatment of medical diseases and conditions. The Neotonus MS-101 is indicated {v1 use in sumulating neuromuscular tissucs for bulk muscle excitation in the legs or arms for rehabilitative purposes. Indications for Use for Muscle Stimulators: Relaxation of muscle spasms Prevention or retardation of disuse atrophy Increasing local blaod circulation Muscle re-education Immediate post-surgical stimulation of calf muscles 1o prevent venous thrombosis Maintaining or increasing range of motion

Source page: https://510kreport.com/device/K973929
Methodology: https://510kreport.com/methodology