# K974670: Athena 1:1 Contra Angle, Athena 4:1 Contra Angle, Athena 16:1 Contra Angle, Athena 64:1 Contra Angle, Athena 16-: Contre

- Pathway: 510(k) (Traditional)
- Applicant: Athena Technology, Inc.
- Decided: Mar 13, 1998 after 88 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. The FDA summary names its predicate without a number.
- (no number) Lynx attachments: named in the summary without a submission number
- (no number) Champion attachments: named in the summary without a submission number
- (no number) NSK attachments: named in the summary without a submission number
- (no number) Midwest attachments: named in the summary without a submission number
- (no number) Star attachments: named in the summary without a submission number

## 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
- 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
- K202786: Dental Low-speed Handpieces and Accessories (2021), 0 descendants of its own

## Indications for use
Attachments are used in conjunction with a 20R "E" type slow speed handpiece motor to prepare carious teeth for restorations; to perform prophylaxis or other general procedures performed by the dentist in the oral cavity or in a laboratory environment.

Source page: https://510kreport.com/device/K974670
Methodology: https://510kreport.com/methodology