# K895473: DSX (TM), Digital SX, Quantum DSX, Model 4700S

- Pathway: 510(k) (Traditional)
- Applicant: Medical Devices, Inc.
- Decided: Dec 8, 1989 after 88 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
No predicates in its family tree.
8 later devices descend from it; 4 cite it directly.
0 of 9 devices in its family (counting itself) have a Class I recall.

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

## Most influential descendants
- K020437: Classic Tens (2002), 3 descendants of its own
- K032928: Mediphysics Pain Treatment System, Model 1 (2003), 2 descendants of its own
- K070474: Newlife Sciences LLC, Model TMR (2007), 1 descendant of its own
- K041520: Mantra Tens Model NT3 (2004), 1 descendant of its own
- K202186: TrueRelief Device (2021), 0 descendants of its own

Source page: https://510kreport.com/device/K895473
Methodology: https://510kreport.com/methodology