# K911068: 29540 Dynasurg Electric Handpiece and Irr. System

- Pathway: 510(k) (Traditional)
- Applicant: Micro Motors, Inc.
- Decided: May 15, 1991 after 65 days
- Product code: EFB (Handpiece, Air-Powered, Dental)
- Device class: 1
- Regulation: 21 CFR 872.4200
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
5 later devices descend from it; 1 cites it directly.
0 of 6 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
- K991401: Atr 3000, Atr 2000, Implant-Pro (1999), 4 descendants of its own
- K033597: Atr 5000, LC 5000, Implant System (2003), 3 descendants of its own
- K041279: Implanteo Implantology Motor (2004), 1 descendant of its own
- K102241: Anthogyr Implanteo Implantology and Dental Surgical Motor Unit (2011), 0 descendants of its own
- K091913: HI Tech Implant, HT Physio Implant (2009), 0 descendants of its own

Source page: https://510kreport.com/device/K911068
Methodology: https://510kreport.com/methodology