# K022505: Contra-Angle, Models 1059, 5050, 5051, 5055, 5056, 5057, 5059, 5060, 5061, 5062, 5063, 5064, 5065, 5066, 5067, 5068,

- Pathway: 510(k) (Traditional)
- Applicant: Nouvag AG
- Decided: Oct 1, 2003 after 429 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: 1 generation back to K962540 (1996). 4 ancestors in all.
No later device cites it as a predicate yet.
0 of 5 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- 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, W&H Dentalwerk Buermoos GmbH (2001)
- K984508: Surgical Contra-Angle Handpieces, Models 975 AE,979 E/KM, 985 AE, 986 AE, 988 E/KM  and Surgical Straight Handpieces Mod, W&H Dentalwerk Buermoos GmbH (1999) Summary page 2.
- K962540: E-Type Contra Angle Nac-E, Nsk Nakanishi, Inc. (1996) Summary page 2.
- K972569: E-Type Speed Increaser Contra Angle, External Irrigation, Internal Irrigation, Nsk Nakanishi, Inc. (1997) Summary page 2.

## Indications for use
Indications are widespread in the field of Surgery, Implantology and Endodontic treatment. Surgery: 1059,5050,5051,5055,5056,5060,5062,5063,5065,5068,5070,5075 Endodontic treatment: 5057,5059,5061,5064,5066,5067,5069,5071,5076 Speed Increaser Contra-Angle: 5081 The device is intended for use where high speed such as 200'000 rpm is required in general dentistry with or without use of coolant; such as cutting a tooth for cavity and/or crown preparation and finishing, cuttin and/or finishing of dentures, denture bases, crowns, inlays and metal plates All devices are driven by an electric micromotor handpiece that has the ISO-3964 Coupling.

Source page: https://510kreport.com/device/K022505
Methodology: https://510kreport.com/methodology