# K041709: Numelock II System

- Pathway: 510(k) (Traditional)
- Applicant: Howmedica Osteonics Corp.
- Decided: Sep 8, 2004 after 77 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
No predicates in its family tree.
589 later devices descend from it; 3 cite it directly.
1 of 590 devices in its family (counting itself) has a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. The FDA summary names no predicate by number.

## Most influential descendants
- K051735: Peri-Loc Locking Bone Plates and Locking Bone Screws for the Upper Extremity (2005), 584 descendants of its own
- K071563: Peri-Loc Periarticular Locked Plating System (2007), 495 descendants of its own
- K090675: Smith & Nephew, Inc. VLP Foot Plating, Screw System and Accessories (2009), 487 descendants of its own
- K100776: Synthes 2.4 MM/2.7 MM Variable Angle LCP Forefoot/Midfoot System (2010), 228 descendants of its own
- K111994: Smith & Nephew Cannulated Screws and Washers (2011), 161 descendants of its own

## Indications for use
The Numelock II System is intended for use in the temporary stabilization of long bone fractures.

Source page: https://510kreport.com/device/K041709
Methodology: https://510kreport.com/methodology