# K143460: Cannulated Screw System

- Pathway: 510(k) (Traditional)
- Applicant: Wrightmedicaltechnologyinc
- Decided: Jan 23, 2015 after 50 days
- Product code: HWC (Screw, Fixation, Bone)
- Device class: 2
- Regulation: 21 CFR 888.3040
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 2 generations back to K991151 (1999). 3 ancestors in all.
11 later devices descend from it; 2 cite it directly.
0 of 15 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K042310: Ortho-Pro Cannulated Bone Screws, Ortho-Pro, LLC (2004) Summary page 4.
- K082320: Darco Small Screw, Wrightmedicaltechnologyinc (2008) Summary page 4.

## Most influential descendants
- K180377: Fracture and Correction System (2018), 7 descendants of its own
- K161904: GEO Bone Screw System (2017), 4 descendants of its own
- K231236: IBS-B MIS Beveled Screw System (2023), 1 descendant of its own
- K202817: GEO Bone Screw System (2020), 1 descendant of its own
- K201430: InFrame™ Cannulated Fixation System (2020), 1 descendant of its own

## Indications for use
The CSS cannulated bone screw is indicated for bone fractures, osteotomies, arthodeses, osteochronditis and tendon reattachment. These screws are not intended for attachment or fixation to the posterior elements (pedicles) of cervical, thoracic, or lumbar spine.

Source page: https://510kreport.com/device/K143460
Methodology: https://510kreport.com/methodology