High rates of implant fracture of a generic polished tapered femoral stem.

CONCLUSIONS: An alarmingly high rate of early implant fractures was seen using this specific type of cemented stem, particularly when using smaller implant sizes in obese patients. Although based on a proven design, a specific modification led to a stress riser in the neck area, which resulted in a high incidence of implant failure. This series underlines the importance of a stepwise introduction into the market of new orthopaedic devices even when based on established concepts. Generic stems may not behave as the original stem upon which it was designed. PMID: 32459520 [PubMed - as supplied by publisher]
Source: Hip International - Category: Orthopaedics Authors: Tags: Hip Int Source Type: research