# K924961: HMP 4000 Interferential Stimulator

- Pathway: 510(k) (Traditional)
- Applicant: Hmp 4000, Inc.
- Decided: Feb 25, 1993 after 148 days
- Product code: LIH (Interferential Current Therapy)
- 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
No predicates in its family tree.
3 later devices descend from it; 3 cite it directly.
0 of 4 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.

## Most influential descendants
- K033358: Chronic Pain Suppressor CPS-2000, Model CPS-2000 (2003), 0 descendants of its own
- K020516: Care Ifc Plus (2002), 0 descendants of its own
- K013082: Medstar 100 Interferential Stimlator (2001), 0 descendants of its own

Source page: https://510kreport.com/device/K924961
Methodology: https://510kreport.com/methodology