Legal counsel for patient reported that patient underwent a right total hip arthroplasty on (b)(6) 2013.Subsequently, patient's legal counsel reported patient was revised on (b)(6) 2014 due to patient allegations of pain, bone/tissue damage, loss of range of motion, elevated metal ion levels and metallosis.Review of invoice history revealed that the patient was implanted with a metal on polyethylene hip on (b)(6) 2013.Invoice history confirms the modular head and polyethylene liner were removed and replaced during the revision surgery.This report is based on allegations set forth in plaintiff¿s complaint, and the allegations contained therein are unverified.Additional information received in the patient¿s right hip operative reports noted patient underwent a revision on (b)(6) 2014 due to pain and x-rays indicating dissociation of the acetabular liner.Operative report noted the presence of dark fluid with metallosis debris, a disassociated liner, and a wear of the locking ring.The modular head, acetabular liner and locking ring were removed and replaced.
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Current information is insufficient to permit a conclusion as to the cause of the event.Review of device history records show that lot released with no recorded anomaly related to the event.There are warnings in the package insert that state that this type of event can occur: under possible adverse effects: "wear and/or deformation of articulating surfaces." and "loosening or migration of implants may occur due to loss of fixation, trauma, malalignment, bone resorption, or excessive activity." this report is based on allegations set forth in plaintiff¿s complaint and the allegations contained therein are unverified.This report is number 2 of 2 mdrs filed for the same event (reference 1825034-2014-06787 & 2015-00615).
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