The EPO published patent application EP4633542A1 on March 25, 2026, covering an orthopaedic surgical system and method for installing cement restrictor components in direct anterior approach hip replacement. DePuy Ireland Unlimited Company is the applicant with James A. Anderson, J. Bohannon Mason, and Neil D. Watkins listed as inventors. The patent application covers A61F 2/30 and A61F 2/46 classifications relating to joint prostheses and surgical bone cementing techniques.

This publication makes the patent application publicly available for opposition and third-party review. It does not immediately create compliance obligations. DePuy has secured intellectual property protection across EU designated states including Germany, France, Italy, Spain, UK, Netherlands, Belgium, Sweden, and 22 other jurisdictions. Competitors developing similar cement restrictor technologies for hip arthroplasty should conduct freedom-to-operate analyses to assess potential infringement risks.