Medical device maker Stryker Corporation will voluntarily recall its Trident PSL and Hemispherical Acetabular Cups after the FDA ordered the medical device company to fix a number of manufacturing defects in the hip replacement parts. Some patients who've received the Trident PSL and Hemispherical Acetabular Cups have had to have follow-up surgeries to fix the problems. The FDA has known about patient complaints since 2005 when improperly fitting hip implants caused bone fractures in some hip replacement patients.
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