# K851139: Thumper Cardiopulmonary Resuscitator 1005

- Pathway: 510(k) (Traditional)
- Applicant: Michigan Instruments, Inc.
- Decided: May 15, 1985 after 55 days
- Product code: DRM (Compressor, Cardiac, External)
- Device class: 2
- Regulation: 21 CFR 870.5200
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
20 later devices descend from it; 5 cite it directly.
2 of 21 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
- K022345: Autopulse Resuscitation System (2002), 16 descendants of its own
- K032852: Modification to: Autopulse Resuscitation System Model 100 (2003), 15 descendants of its own
- K040453: Autopulse Resuscitation System, Model 100 (2004), 14 descendants of its own
- K063602: Autopulse Resuscitation System  MODEL100 (2006), 11 descendants of its own
- K972525: Thumper (1997), 11 descendants of its own

Source page: https://510kreport.com/device/K851139
Methodology: https://510kreport.com/methodology