Studies suggest that cup malposition occurs in 50-80 percent of hip surgery performed with traditional techniques, and revision surgeries due to loosening or dislocation cost $500 million among Medicare patients each year, according to the report. Navigation systems like HipSextant aim to increase implant placement precision and decrease the risk of a failed procedure.
The system was invented by Stephen Murphy, MD, and has received Class II FDA clearance as a patient-specific manual navigation instrument. Winshih Chang, MD, an orthopedic surgeon at Putnam, was the first surgeon to perform hip replacement surgery using the system. The surgery was successful and Dr. Chang says he plans to use the system for surgeries in the future.
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