# K840206: Pressure Sentry Tourniquet

- Pathway: 510(k) (Traditional)
- Applicant: Richards Medical Co., Inc.
- Decided: Apr 25, 1984 after 97 days
- Product code: KCY (Tourniquet, Pneumatic)
- Device class: 1
- Regulation: 21 CFR 878.5910
- 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 has not posted a summary or statement for it, so its predicates are not known.

## Most influential descendants
- K050411: Zimmer a.T.S. 3000 Automatic Tourniquet System (2005), 2 descendants of its own
- K123553: Zimmer a.T.S. 4000TS Automatic Tourniquet System (2013), 1 descendant of its own
- K202919: ATS 5000 Automatic Tourniquet Instrument (2021), 0 descendants of its own

Source page: https://510kreport.com/device/K840206
Methodology: https://510kreport.com/methodology