Hayes & Associates

“Thank you, on behalf of the family and myself, for your guidance and aid in my preparations for trial and for your impeccable presentation and expert testimony. Your meticulous, straightforward explanation of the unexplainable was vital to our efforts.”

— Plaintiff Attorney

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What We Do: Case Examples

Orthopaedic Treatment / Malpractice

Products Liability: UHMWPE

The UHMWPE tibial component of a group of unicondylar prostheses were sterilized by gamma radiation in air and stored for extended periods. After implantation, the devices failed by severe pitting and delamination. *What were the mechanisms of failure? *Were the failures the consequence of overloading or the sterilization and storage procedures? *What are the long term consequences of these implant failures?

Products Liability: Fractured Stem of Total Hip Replacement

A 61-year-old female weighing 190 pounds presented to the emergency room in severe pain and unable to walk. Radiographs revealed a fractured total hip replacement. *What was the mechanism of failure? *Was the failure the consequence of overloading of an undersized prosthesis? *Was the failure the consequence of an inherent design defect?

Products Liability: Manufacturing Defect

A 65-year-old male with a comminuted fracture of the patella was treated using a cerclage system. Five months later the patient suffered a rupture of the patellar ligament and it was noted that the cable locking system had slipped. *What was the mechanism of failure? *Was the failure of the locking system the consequence of flawed manufacturing and inspection procedures?