# K011061: Surgical Contra-Angel Handpieces Types WS-56E,WS-75E/KM,WS-92 E/3,Surgical Straight Handpieces Types, S-9, S-10, S-11

- Pathway: 510(k) (Traditional)
- Applicant: W&H Dentalwerk Buermoos GmbH
- Decided: Jun 28, 2001 after 83 days
- Product code: EGS (Handpiece, Contra- And Right-Angle Attachment, 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.
25 later devices descend from it; 10 cite it directly.
0 of 26 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.

## Most influential descendants
- K123695: Traus SIP10 (2012), 4 descendants of its own
- K112305: Vigor a Low Speed Air Motor, Vigor C Low Speed Contra-Angle Handpieces, Vigor S Low Speed Straight Handpieces (2012), 4 descendants of its own
- K092214: Chiropro L System (2009), 4 descendants of its own
- K141886: MDK Handpieces (2015), 3 descendants of its own
- K100192: Strong Dental Handpieces (2010), 3 descendants of its own

Source page: https://510kreport.com/device/K011061
Methodology: https://510kreport.com/methodology