# United Medical Systems, Inc.

- Location (FDA's records): Washington, DC
- FDA decisions: 5 (1986–2008): 5 510(k) clearances
- Product codes: LNS (2), HFW (1), POV (1), FOZ (1)
- Predicates its devices cite: 6 (1 its own); citations of its devices by later devices: 2 (1 its own)
- Recalls linked to its devices: 0 (0 Class I)
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Firms whose devices it cites most
- Direx Systems Corp.: 2 (https://510kreport.com/company/direx-systems)
- Karl Storz Lithotripsy-America, Inc.: 1 (https://510kreport.com/company/karl-storz-lithotripsy-america)
- KARL STORZ Endoscopy-America, Inc.: 1 (https://510kreport.com/company/karl-storz-endoscopy-america)
- Karl Storz Endoscopy: 1 (https://510kreport.com/company/karl-storz-endoscopy)

## Firms that cite its devices most
- Sonomotion, Inc.: 1 (https://510kreport.com/company/sonomotion)

## Its most-cited devices
- K072538: Piezolith 3000 Triple-Focus Lithotripter (2008), cited by 1
- K032958: Piezolith 3000 Lithotripter, Model 3000 (2004), cited by 1

## Recent decisions
- K072538: Piezolith 3000 Triple-Focus Lithotripter (Jan 30, 2008)
- K032958: Piezolith 3000 Lithotripter, Model 3000 (Feb 17, 2004)
- K894949: SQA (Dec 29, 1989)
- K893003: Tocolytic Site Care Sup Kit #1001/100A/Carry Case (Jul 14, 1989)
- K863645: Schulman Double Umbilical Cord Clamp NO. 1000 (Sep 25, 1986)

Source page: https://510kreport.com/company/united-medical-systems