# K021349: Metal Transcend Articulation System (Larger Sizes)

- Pathway: 510(k) (Abbreviated)
- Applicant: Wrightmedicaltechnologyinc
- Decided: Jul 1, 2002 after 63 days
- Product code: KWA (Prosthesis, Hip, Semi-Constrained (Metal Uncemented Acetabular Component))
- Device class: 3
- Regulation: 21 CFR 888.3330
- 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 K004043 (2001). 1 ancestor in all.
125 later devices descend from it; 6 cite it directly.
0 of 127 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K004043: Metal Transcend Articulation System, Wrightmedicaltechnologyinc (2001) Summary page 2.

## Most influential descendants
- K042037: M2A Magnum System (2004), 116 descendants of its own
- K053536: Durom Acetabular Component and Metasul LDH Large Diameter Heads (2006), 74 descendants of its own
- K071723: Zimmer Porolock Mis Stem (2008), 73 descendants of its own
- K123392: Avenir Muller Stem (2013), 41 descendants of its own
- K110400: Taperloc Complete Microplasty Stem (2011), 34 descendants of its own

## Indications for use
Indicated for use in total hip arthroplasty for reduction or relief of pain and/or improved hip function in skeletally mature patients with the following conditions: 1) non-inflammatory degenerative joint disease such as osteoarthritis, avascular necrosis, ankylosis, protrusio acetabuli, and painful hip dysplasia; 2) inflammatory degenerative joint disease such as rheumatoid arthritis; 3) correction of functional deformity; and, 4) revision procedures where other treatments or devices have failed.

Source page: https://510kreport.com/device/K021349
Methodology: https://510kreport.com/methodology