# K911904: Models Ues-10 & PSD-10

- Pathway: 510(k) (Traditional)
- Applicant: Olympus Corp.
- Decided: Jul 26, 1991 after 88 days
- Product code: GEI (Electrosurgical, Cutting & Coagulation & Accessories)
- Device class: 2
- Regulation: 21 CFR 878.4400
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
231 later devices descend from it; 2 cite it directly.
4 of 232 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
- K970184: Olympus Ues-20 Electrosurgical System and Its Associated Accessories (1997), 228 descendants of its own
- K981993: Olympus Integrated Endosurgery System Endoalpha (1998), 175 descendants of its own
- K994231: Siemens Integrated Operating System (Sios) (2000), 157 descendants of its own
- K052202: Axiom Artis - Modular Angiographic System (2006), 154 descendants of its own
- K061054: Axiom Aristos FX Plus (2006), 80 descendants of its own

Source page: https://510kreport.com/device/K911904
Methodology: https://510kreport.com/methodology