MAUDE Adverse Event Report: SMITH & NEPHEW, INC. GEN II 7.5MM RESUR PAT 35MM; PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED,

Catalog Number	71932637
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Codes	Unspecified Infection (1930); Pain (1994); Swelling/ Edema (4577)
Date of Event	01/05/2021
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
Internal complaint reference: case-(b)(4).
Event or Problem Description
It was reported that, a revision surgery was performed due to pain, swelling, and infection.Gen ii 7.5mm resur pat 35mmwas explanted.However, the doctor said that the devices were not defective.The procedure was completed using a back-up device.It is unknown if there was a delay.No complications were reported.No patient information neither medical reports are available.All available information has been disclosed.If additional information should become available, a supplemental report will be submitted accordingly.
Additional Manufacturer Narrative
H3, h6: the device, used in treatment, was not returned for evaluation and the reported event could not be confirmed.The clinical/medical investigation concluded that, per complaint details, a revision surgery was performed due to pain, swelling, and infection.It was communicated that the requested medical documentation was not available for inclusion in the medical investigation and the ¿doctor said that the device was not defective¿.Reportedly, the root cause of the revision was the infection; however, the source of the unspecified infection remains unknown.The patient impact beyond the reported symptoms and subsequent revision could not be fully assessed.No further medical assessment is warranted at this time.A complaint history review found related failures; 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, joint tightness, material in use, patient reaction, loss of sterility or post-operative healing issue.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: GEN II 7.5MM RESUR PAT 35MM
• Common Device Name: PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED,
• Manufacturer (Section D): SMITH & NEPHEW, INC.; 1450 brooks rd.; memphis TN 38116
• MDR Report Key: 11236165
• Report Number: 1020279-2021-00664
• Device Sequence Number: 3543857
• Product Code: JWH
• UDI-Device Identifier: 00885556057117
• UDI-Public: 885556057117
• Combination Product (Y/N): N
• Initial Reporter Country: JA
• PMA/510(K) Number: K951987
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2020
• Device Explanted Year: 2021
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: company representative,foreig
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 07/08/2021

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 Catalogue Number: 71932637
• Device Lot Number: UNKNOWN
• Initial Date Received by Manufacturer: 01/14/2021
• Supplement Date Received by Manufacturer: 07/07/2021
• Initial Report FDA Received Date: 01/27/2021
• Supplement Report FDA Received Date: 07/08/2021
• 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