# K141125: U-Type Contra Angle, U-Type Sectional Contra Angle

- Pathway: 510(k) (Traditional)
- Applicant: Handpiece Headquarters
- Decided: Oct 23, 2014 after 175 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
Longest line of descent: 3 generations back to K896877 (1990). 8 ancestors in all.
No later device cites it as a predicate yet.
0 of 9 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K073652: ND Low Speed Airmotor and Handpiece,  Highspeed Airturbine Handpiece, E-Type Straight Nosecone and Contra Angle, Nakamura Magnifier Co., Ltd. (2008) Summary page 4.

## Indications for use
The U-Type Contra Angles and U-Type Sectional Contra Angles are used to mount on U-Type Nose Attachments and powered by either low speed air motors or electric micro motors. These U-Type are intended for removing carious material, cavity and crown preparations, finishing tooth preparations, reducing hard tooth structures, restorations and polishing teeth.

Source page: https://510kreport.com/device/K141125
Methodology: https://510kreport.com/methodology