# K962540: E-Type Contra Angle Nac-E

- Pathway: 510(k) (Traditional)
- Applicant: Nsk Nakanishi, Inc.
- Decided: Sep 12, 1996 after 76 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.
11 later devices descend from it; 5 cite it directly.
0 of 12 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
- 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
- K141886: MDK Handpieces (2015), 3 descendants of its own
- K073652: ND Low Speed Airmotor and Handpiece,  Highspeed Airturbine Handpiece, E-Type Straight Nosecone and Contra Angle (2008), 3 descendants of its own
- K262144: DIAMED Handpiece;DIAMED Airmotor;DIAMED Airmotor Handpiece (2026), 0 descendants of its own
- K251388: Dental air-motor handpiece (TM-203B2, TM-203M4, TM-205B2, TM-205M4, TM-IS, TM-ES, TM-SG20, TM-X25, TM-BB, TM-IC, TM-RA41) (2026), 0 descendants of its own

Source page: https://510kreport.com/device/K962540
Methodology: https://510kreport.com/methodology