Evaluation of bone impingement prediction in pre-operative planning for shoulder arthroplasty.
2009
AbstractIn shoulder arthroplasty, malpositioning of prostheses often leads to reduced post-operative range of motion (ROM) and complications such as impingement, loosening, and dislocation. Furthermore, the risk of impingement complications increases when reverse total prostheses are used. For this purpose a pre-operative planning system was developed that enables surgeons to perform a virtual shoulder replacement procedure. The present authors' pre-operative planning system simulates patient-specific bone-determined ROM meant to reduce the risk of impingement complications and to improve the ROM of patients undergoing shoulder replacement surgery. This paper describes a validation experiment with the purpose of ratifying the clinical applicability and usefulness of the ROM simulation module for shoulder replacement surgery. The experiment was performed on cadaveric shoulders. A data connection was set up between the software environment and an existing intra-operative guidance system to track the relativ...
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