# K182999: General Cutting Contra Handpiece

- Pathway: 510(k) (Traditional)
- Applicant: Nakanishi, Inc.
- Decided: Apr 16, 2019 after 168 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.
2 later devices descend from it; 2 cite it directly.
0 of 3 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. The FDA summary names no predicate by number.

## Most influential descendants
- K240337: Dental Handpiece (Model: J6-126, J6-136, SH11W2, SH11W3, W401LW, W15LW, W142LW, W11L) (2024), 0 descendants of its own
- K202960: General Cutting Contra Handpiece (2020), 0 descendants of its own

Source page: https://510kreport.com/device/K182999
Methodology: https://510kreport.com/methodology