MAUDE Adverse Event Report: STRYKER ORTHOPAEDICS-MAHWAH V40 COCR LFIT HEAD 44MM/-4; PROSTHESIS, HIP, SEMI-CONSTRAINED, METAL/POLYMER, CEMENTED

Model Number	6260-9-044
Medical Device Problem Codes	Degraded (1153); Material Erosion (1214); Detachment of Device or Device Component (2907)
Health Effect - Clinical Codes	Foreign Body Reaction (1868); Metal Related Pathology (4530)
Date of Event	01/20/2021
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported through the filing of a lawsuit that allegedly the patient was implanted with an lfit anatomic cocr v40 femoral head on his right hip on or about (b)(6) 2013 and was revised on (b)(6) 2021.It is further alleged that he suffered injuries as a result of implantation and explantation of the device(s) at issue, device recall and excessive levels of chromium and cobalt in his blood.
Additional Manufacturer Narrative
It was noted that the device is not available for evaluation.Should additional information become available, it will be provided in a supplemental report upon completion of the investigation.Device not returned.
Additional Manufacturer Narrative
Reported event: an event regarding disassociation and abnormal ion level/metallosis involving a metal head was reported.The disassociation event was confirmed via clinician review of the provided medical records.Abnormal ion level/metallosis was not confirmed.Method & results: product evaluation and results: material analysis, visual, functional and dimensional inspections could not be performed as the device was not returned.Clinician review: a review of the provided medical records by a clinical consultant indicated: "mechanical failure of a tja is confirmed is confirmed.High cobalt and chrome serum levels cannot be confirmed as no documentation was provided to support this claim.The root cause of the tha mechanical failure cannot be identified from this limited documentation." product history review: review of the device history records indicate devices were manufactured and accepted into final stock with no relevant reported discrepancies.Complaint history review: there have been no other similar events for the lot referenced.Conclusions: it was reported that the patient was revised due to disassociation of the head from the stem and metallosis/elevated metal ions.A review of the provided medical records by a clinical consultant indicated the following: "mechanical failure of a tja is confirmed is confirmed.High cobalt and chrome serum levels cannot be confirmed as no documentation was provided to support this claim.The root cause of the tha mechanical failure cannot be identified from this limited documentation." no further investigation for this event is possible at this time.If devices and/or additional information become available to indicate further evaluation is warranted, this record will be reopened.
Event or Problem Description
It was reported through the filing of a lawsuit that allegedly the patient was implanted with an lfit anatomic cocr v40 femoral head on his right hip on or about (b)(6) 2013 and was revised on (b)(6) 2021.It is further alleged that he suffered injuries as a result of implantation and explantation of the device(s) at issue, device recall and excessive levels of chromium and cobalt in his blood.Update on 13-april-2023: per revision operative report, the femoral head had disassociated from the stem due to "bird beak" type wear of the stem trunnion.Thick black liquid consistent with metallosis was observed.The stem, head and liner were revised.There were no reported allegations against the liner stated in the op report.The cup was found to be well-fixed so it was not revised.

• Brand Name: V40 COCR LFIT HEAD 44MM/-4
• Common Device Name: PROSTHESIS, HIP, SEMI-CONSTRAINED, METAL/POLYMER, CEMENTED
• Manufacturer (Section D): STRYKER ORTHOPAEDICS-MAHWAH; 325 corporate drive; mahwah NJ 07430
• Manufacturer (Section G): STRYKER ORTHOPAEDICS-MAHWAH; 325 corporate drive; mahwah NJ 07430
• Manufacturer Contact: marisol santiago ; 325 corporate drive; mahwah, NJ 07430 ; 2018315000
• MDR Report Key: 16315830
• Report Number: 0002249697-2023-00138
• Device Sequence Number: 12719799
• Product Code: JDI
• UDI-Device Identifier: 07613327032710
• UDI-Public: 07613327032710
• Combination Product (Y/N): N
• Initial Reporter State: GA
• Initial Reporter Country: US
• PMA/510(K) Number: K061434
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2013
• Device Explanted Year: 2021
• Reporter Type: Manufacturer
• Report Source: Other
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 05/04/2023

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: No
• Operator of Device: Health Professional
• Device Expiration Date: 08/31/2016
• Device Model Number: 6260-9-044
• Device Catalogue Number: 6260-9-044
• Device Lot Number: MKLE9H
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 01/18/2023
• Supplement Date Received by Manufacturer: 04/13/2023
• Initial Report FDA Received Date: 02/07/2023
• Supplement Report FDA Received Date: 05/04/2023
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Date Device Manufactured: 08/25/2011
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Required Intervention; Hospitalization
• Patient Age: 62 YR
• Patient Sex: Male