Table 1.
Devices included in the retrieval analysis
| Style | Manufacturer | Ti or Co-Cr-Mo | Standard | Head trunion finish | Stem trunion finish |
|---|---|---|---|---|---|
| Apex® | Global Orthopaedics, Portsmouth, UK, USA | Ti | ISO 5832-3 | Gramophone | Ground |
| Bionik® | Eska Orthodynamics GmbH, Lübeck, Germany | Co-Cr-Mo | ISO 5832-4 | Gramophone | Gramophone |
| GMRS® | Stryker Corp, Mahwah, NJ, USA | Co-Cr-Mo | ISO 5832-4 | Ground | Ground |
| M-series® | Exactech, Inc, Gainesville, FL, USA | Ti | Forged Ti | Ground (2/5) Gramophone (3/5) | Ground |
| Margron® | Portland Orthopaedics, Atlanta, GA, USA | Co-Cr-Mo | ISO 5832-4 | Ground | Ground |
| S-ROM® | DePuy Orthopaedics, Warsaw, IN, USA | Ti | ISO 5832-3 | Ground | Ground |
| ZMR® | Zimmer, Inc, Warsaw, IN, USA | Ti | ISO 5832-3 | Gramophone | Ground |