An implantable device covered with metal on its outer surface intended to fully or partially replace the patella (kneecap) as part of a bicondylar knee joint replacement (primary or revision). It is designed to articulate with a prosthetic distal femoral compo
| Company | Devices | Share |
|---|---|---|
| Depuy (Ireland) | 19 | 28% |
| Howmedica Osteonics Corp. | 14 | 21% |
| Zimmer, Inc. | 13 | 19% |
| Zimmer Trabecular Metal Technology Inc. | 9 | 13% |
| Encore Medical, L.P. | 6 | 9% |
| Biomet Orthopedics, Llc | 6 | 9% |
| Corin Ltd | 1 | 1% |
Company = labeler of record on GUDID. 7 companies in total; top 12 shown. Click headers to sort.
Sample of brand names as labelled; no endorsement. Ask us for the full list with company, model and UDI.
| Code | Name | Devices |
|---|---|---|
| JWH | PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEM | 56 |
| MBH | PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UN | 47 |
| NJL | Prosthesis, knee, patellofemorotibial, semi-constrained, met | 25 |
| OIY | Prosthesis, knee, patellofemorotibial, semi-constrained, cem | 15 |
| KRO | PROSTHESIS, KNEE, FEMOROTIBIAL, CONSTRAINED, CEMENTED, METAL | 9 |
| MBV | Prosthesis, knee, patello/femorotibial, semi-constrained, uh | 6 |
Use these as the dimensions to specify in a tender line.
68 device records in commercial distribution are listed on the FDA Global Unique Device Identification Database (GUDID) under the GMDN category "Metal-backed patella prosthesis", from 7 companies. The largest labeler is Depuy (Ireland) with 28% of records.
JWH (PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEM), MBH (PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UN), NJL (Prosthesis, knee, patellofemorotibial, semi-constrained, met), OIY (Prosthesis, knee, patellofemorotibial, semi-constrained, cem)
No. GUDID is the US register. For the UAE (MOHAP/DoH) and Saudi (SFDA/MDMA) a separate registration and a local authorised representative are required; Consulting Wallah can check the status and connect you with registered suppliers.
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Source: FDA AccessGUDID (AccessGUDID full release 2 Nov 2026); counts are device records in commercial distribution grouped by GMDN preferred term; companies are labelers of record. Information only — US listing is not a registration in the UAE or GCC; verify with the regulator. © Consulting Wallah — CC BY‑NC‑ND.