# K131759: Metallic Locking Compression Bone Plates and Screws System

- Pathway: 510(k) (Traditional)
- Applicant: Tianjin Walkman Biomaterial Co., Ltd.
- Decided: Aug 8, 2013 after 52 days
- Product code: HRS (Plate, Fixation, Bone)
- 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: 7 generations back to K981372 (1998). 29 ancestors in all.
1 later device descends from it; 1 cites it directly.
0 of 31 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K101400: Locking Compression Plate, Changzhou Orthmed Medical Instrument Co., Ltd. (2010) Summary page 3.
- K100721: Locking Bone Screw Model HCQ04, HCZ04, Changzhou Orthmar Medical Instrument Co., Ltd. (2010) Summary page 3.
- K073159: Trauson Bone Screw, Models HA 3.5 and 4.5, Trauson (Jiangsu) Medical Instrument Co., Ltd. (2008) Summary page 3.

## Most influential descendants
- K133525: Locking Compression Bone Plates and Screw System (2014), 0 descendants of its own

## Indications for use
Metallic Locking Compression Bone Plates and Screws System can be used for adult patients with age above 21 as indicated for fixation of fractures, including ulna, radius, humerus, femur and tibia.

Source page: https://510kreport.com/device/K131759
Methodology: https://510kreport.com/methodology