MAUDE Adverse Event Report: SMITH & NEPHEW, INC. REF LNR 28X50-52 20 DEG SZ E; PROSTHESIS, HIP, SEMI-CONSTRAINED, POLYMER, POROUS UNCEMENTED

Catalog Number	71742850
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Code	Injury (2348)
Date of Event	08/28/2020
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that a revision surgery was performed due to unknown reasons.Head and liner explanted.Patient's outcome is unknown.
Additional Manufacturer Narrative
It was reported that a revision surgery was performed to exchange the femoral head and liner.The reason for the revision remains unknown.The affected complaint device, used in treatment, was not returned for evaluation.Therefore a product analysis could not be performed.As device information was not made available, device history record cannot be completed.A complaint history, an ifu and risk assessment review could not be performed with accuracy as the failure mode is unknown.At this time, we have no reason to suspect that the product failed to meet any product specifications at the time of manufacture.A relationship, if any, between the device and the reported incident could not be corroborated.No medical documents were received for investigation.Therefore no medical assessment can be performed at this time.Based on our investigation the failure mode cannot be confirmed and the root cause of this issue remains undetermined due to insufficient information.Without the return of the actual product involved and no patient medical records available, our investigation of this report is inconclusive.Based on this investigation, the need for corrective action is not indicated.No further investigation is warranted for this complaint; however we will continue to monitor for future complaints and investigate as necessary.Should the device or additional information be received, the complaint will be reopened.We consider this investigation closed.

• Brand Name: REF LNR 28X50-52 20 DEG SZ E
• Common Device Name: PROSTHESIS, HIP, SEMI-CONSTRAINED, POLYMER, POROUS UNCEMENTED
• Manufacturer (Section D): SMITH & NEPHEW, INC.; 1450 brooks rd.; memphis TN 38116
• MDR Report Key: 10577898
• Report Number: 1020279-2020-04837
• Device Sequence Number: 16934254
• Product Code: LPH
• UDI-Device Identifier: 03596010232267
• UDI-Public: 3596010232267
• Combination Product (Y/N): N
• Initial Reporter Country: AS
• PMA/510(K) Number: K932755
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Explanted Year: 2020
• Reporter Type: Manufacturer
• Report Source: company representative,foreig
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 11/04/2020

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 Catalogue Number: 71742850
• Device Lot Number: UNKNOWN
• Was Device Available for Evaluation?: No
• Initial Date Received by Manufacturer: 08/28/2020
• Supplement Date Received by Manufacturer: 10/30/2020
• Initial Report FDA Received Date: 09/23/2020
• Supplement Report FDA Received Date: 11/04/2020
• 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