# K042761: Wristore Distal Radius Fracture Fixator, 4600 Series

- Pathway: 510(k) (Traditional)
- Applicant: Zimmer, Inc.
- Decided: Nov 17, 2004 after 43 days
- Product code: KTT (Appliance, Fixation, Nail/Blade/Plate Combination, Multiple Component)
- Device class: 2
- Regulation: 21 CFR 888.3030
- 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 K942906 (1994). 7 ancestors in all.
1 later device descends from it; 1 cites it directly.
0 of 9 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K012294: Wristore Fixator, Millennium Medical Technologies, Inc. (2002) Summary page 1.
- K001228: External Fixation Anchor Pin, Immedica, Inc. (2000)

## Most influential descendants
- K052498: Fragment Specific Fixator (2005), 0 descendants of its own

## Indications for use
The WristoreTM* Distal Radius Fracture Fixator is indicated for external fixation of the upper extremity.

Source page: https://510kreport.com/device/K042761
Methodology: https://510kreport.com/methodology