# K923076: Ultra SX

- Pathway: 510(k) (Traditional)
- Applicant: Excel Tech., Ltd.
- Decided: Mar 9, 1993 after 257 days
- Product code: IMI (Ultrasonic Diathermy For Use In Applying Therapeutic Deep Heat)
- Device class: 2
- Regulation: 21 CFR 890.5300
- 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; 1 cites 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
- K001166: Ultra V Therapeutic Ultrasound (2000), 2 descendants of its own
- K040121: Dermawave 5000 Combi Max System (2004), 0 descendants of its own
- K023050: Reliant BTL 5000 Puls Electrical Stimulation System, Reliant BTL 5000 Sono Ultrasound System, Reliant BTL 5000 Combi (2003), 0 descendants of its own

Source page: https://510kreport.com/device/K923076
Methodology: https://510kreport.com/methodology