# K801982: The Mcshirley Percussor

- Pathway: 510(k) (Traditional)
- Applicant: Mcshirley Products, Inc.
- Decided: Sep 16, 1980 after 28 days
- Product code: BYI (Percussor, Powered-Electric)
- Device class: 2
- Regulation: 21 CFR 868.5665
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
6 later devices descend from it; 1 cites it directly.
0 of 7 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
- K031876: Electro Flo Percussor, Model 5000 (2003), 5 descendants of its own
- K063645: Frequencer, Model 1001 (2007), 3 descendants of its own
- K100749: Frequencer Model V2X (2010), 2 descendants of its own
- K103176: Frequencer (2011), 1 descendant of its own
- K201490: Electro Flo 6 Airway Clearance System (2021), 0 descendants of its own

Source page: https://510kreport.com/device/K801982
Methodology: https://510kreport.com/methodology