MAUDE Adverse Event Report: SMITH & NEPHEW, INC. UNIV CAN ACET SCREW 30MM; PROSTHESIS, HIP, SEMI-CONSTRAINED, METAL/POLYMER, CEMENTED

Model Number	71336530
Medical Device Problem Codes	Difficult to Insert (1316); Misconnection (1399)
Health Effect - Clinical Codes	Failure of Implant (1924); Injury (2348)
Date of Event	05/26/2020
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that after surgery the acetabular screw exited the screw hole in the 52mm r3 mulithole cup, this was seen in an x-ray.The surgeon reported the screw was firmly seated at the bottom of the hole with excellent purchase.It appeared to go beyond the cup at the time it was implanted.
Additional Manufacturer Narrative
The device, used in treatment, was not returned for evaluation but the pictures were reviewed, and the loosened implant was confirmed.The clinical/medical investigation concluded that, the root cause of the reported event could not be definitively concluded.The patient impact beyond the reported screw through the shell could not be determined.No further medical assessment can be rendered at this time.Should additional clinical documentation become available in the future, the clinical/medical task may be re-evaluated.A complaint history review found related failures for the listed device; this failure mode will be monitored for future complaints for any necessary corrective actions.A review of the risk management file and instructions for use documents revealed this failure mode was previously identified.At this time, we have no reason to suspect that the product failed to meet any product specifications at the time of manufacture.Factors and/or some potential probable causes that could contribute to the reported event have been identified as but not limited to abnormal motion over time, bone degeneration, fit/sizing, lack of ingrowth, lifetime of device, and traumatic injury.Based on this investigation, the need for corrective action is not indicated.Should the device or additional information be received, the complaint will be reopened.No further investigation is warranted for this complaint; however, we will continue to monitor for future complaints and investigate as necessary.We consider this investigation closed.G1: address updated.

• Brand Name: UNIV CAN ACET SCREW 30MM
• Common Device Name: PROSTHESIS, HIP, SEMI-CONSTRAINED, METAL/POLYMER, CEMENTED
• Manufacturer (Section D): SMITH & NEPHEW, INC.; 1450 brooks rd.; memphis TN 38116
• MDR Report Key: 10183178
• Report Number: 1020279-2020-02642
• Device Sequence Number: 16365566
• Product Code: JDI
• UDI-Device Identifier: 03596010197672
• UDI-Public: 03596010197672
• Combination Product (Y/N): N
• Initial Reporter State: CA
• Initial Reporter Country: US
• PMA/510(K) Number: K920430
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2020
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: company representative,health
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 08/18/2021

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 Model Number: 71336530
• Device Catalogue Number: 71336530
• Device Lot Number: 17BM00476
• Initial Date Received by Manufacturer: 05/27/2020
• Supplement Date Received by Manufacturer: 08/16/2021
• Initial Report FDA Received Date: 06/23/2020
• Supplement Report FDA Received Date: 08/18/2021
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Hospitalization; Required Intervention