MAUDE Adverse Event Report: SMITH & NEPHEW, INC. R3 20 DEG XLPE ACET LNR 36MM X 56MM; PROSTHESIS, HIP, SEMI-CONSTRAINED, UNCEMENTED, METAL/POLYMER, POROUS

Model Number	71335756
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Code	Joint Dislocation (2374)
Date of Event	02/11/2021
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that, after a thr that had been performed on 2019, the patient experienced a dislocation while squatting down and leaning to his far right to reach for power socket.Then, continued to experience subsequent dislocations.Patient underwent revision surgery to remove 20 deg xlpe acet lnr ((b)(4)) and oxinium fem hd ((b)(4)) and replace with constrained liner and new femoral head.
Additional Manufacturer Narrative
The device, used in treatment, was not returned for evaluation and the reported event could not be confirmed.The clinical/medical investigation concluded that, this case reports that a revision surgery was performed due to recurrent dislocations.Per email communication, there is no consent granted to provide x-rays or surgical reports, and no further information has been provided.Therefore, the patient impact beyond the revision cannot be determined.No further clinical assessment can be rendered at this time.Should clinically relevant documentation become available, 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.Possible causes could include but not limited to traumatic injury, patient anatomy or abnormal loading of limb.Based on this investigation, the need for corrective action is not indicated.Without the return of the actual product involved, our investigation could not proceed.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.

• Brand Name: R3 20 DEG XLPE ACET LNR 36MM X 56MM
• Common Device Name: PROSTHESIS, HIP, SEMI-CONSTRAINED, UNCEMENTED, METAL/POLYMER, POROUS
• Manufacturer (Section D): SMITH & NEPHEW, INC.; 1450 brooks rd.; memphis TN 38116
• MDR Report Key: 11449956
• Report Number: 1020279-2021-01937
• Device Sequence Number: 3817999
• Product Code: MBL
• UDI-Device Identifier: 03596010598356
• UDI-Public: 03596010598356
• Combination Product (Y/N): N
• Initial Reporter Country: AS
• PMA/510(K) Number: K113848
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Explanted Year: 2021
• Reporter Type: Manufacturer
• Report Source: company representative,foreig
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 08/19/2021

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: 71335756
• Device Catalogue Number: 71335756
• Device Lot Number: UNKNOWN
• Was Device Available for Evaluation?: No
• Initial Date Received by Manufacturer: 02/11/2021
• Supplement Date Received by Manufacturer: 08/18/2021
• Initial Report FDA Received Date: 03/10/2021
• Supplement Report FDA Received Date: 08/19/2021
• 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; Other; Required Intervention