MAUDE Adverse Event Report: SMITH & NEPHEW, INC. REDAPT SLVLS MONO STEM 190MM SZ 15 SO; PROSTHESIS, HIP, SEMI-CONSTRAINED, UNCEMENTED, METAL/POLYMER, NON-POROUS, CALICU

Model Number	71354464
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Codes	Nonunion/Delayed-union Bone Fracture (2369); Joint Dislocation (2374); Inadequate Osseointegration (2646); Swelling/ Edema (4577)
Date of Event	05/11/2018
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
Internal complaint reference (b)(4).
Event or Problem Description
It was reported that, a patient underwent a thr conversion surgery on the right hip on (b)(6) 2018 to treat a femoral nonunion distal to head and neck.During this procedure, a redapt slvls mono stem 190mm sz 15 so was implanted.4 months postoperatively, the patient underwent a revision surgery due to recurrent dislocations, the great trochanter having proximally migrated, leg edema and fracture non union.Additional details about the implanted prosthesis before the first revision surgery was performed are not available.As the data collection has been done retrospectively and is anonymized, further details on the patient's final outcome are unknown.
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, no relevant supporting clinical information could be provided to assist with this clinical investigation as the data collected from the post market clinical follow-up was anonymous.Without clinically relevant patient-specific supporting documentation, a thorough medical investigation cannot be performed.The patient's current condition is unknown and the patient impact beyond the reported events could not be determined based on the limited information provided.Should any additional clinical information be provided this complaint will be re-evaluated.A review of complaint history did not reveal additional complaints for the listed device for the same failure mode.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.Some potential probable causes for this event could include but not limited to procedural/user error, surgical complication or patient medical history.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: REDAPT SLVLS MONO STEM 190MM SZ 15 SO
• Common Device Name: PROSTHESIS, HIP, SEMI-CONSTRAINED, UNCEMENTED, METAL/POLYMER, NON-POROUS, CALICU
• Manufacturer (Section D): SMITH & NEPHEW, INC.; 1450 brooks rd.; memphis TN 38116
• MDR Report Key: 12524153
• Report Number: 1020279-2021-07115
• Device Sequence Number: 972692
• Product Code: MEH
• UDI-Device Identifier: 00885556580585
• UDI-Public: 00885556580585
• Combination Product (Y/N): N
• Initial Reporter State: FL
• Initial Reporter Country: US
• PMA/510(K) Number: K151902
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2018
• Device Explanted Year: 2018
• Reporter Type: Manufacturer
• Report Source: company representative,study
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 10/20/2021

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: 71354464
• Device Catalogue Number: 71354464
• Was Device Available for Evaluation?: No
• Initial Date Received by Manufacturer: 09/01/2021
• Supplement Date Received by Manufacturer: 10/19/2021
• Initial Report FDA Received Date: 09/24/2021
• Supplement Report FDA Received Date: 10/20/2021
• 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
• Patient Age: 60 YR