MAUDE Adverse Event Report: STRYKER GMBH TIBIAL COMP,SINGLECOATED US VERSION, LARGE; PROSTHESIS, KNEE, FEMOROTIBIAL, UNICOMPARTMENTAL, SEMI-CONSTRAINED, METAL/POLYME

Model Number 400-263

Device Problem Adverse Event Without Identified Device or Use Problem (2993)

Patient Problem Osteolysis (2377)

Event Date 01/29/2018

Event Type  Injury  

Manufacturer Narrative

Device will not be returned.If additional information becomes available it will be provided on a supplemental report.Device remains implanted.

Event Description

As reported in clinical investigation, on (b)(6) 2017 an 11mm osteolysis was seen on subject ct scan on the right side located near the medial barrel and medial malleolar.Adverse event onset was about 11 months post-op of a star in her right ankle of (b)(6) 2017.Subject is undergoing observation and event is ongoing without treatment.

Manufacturer Narrative

The reported event that tibial comp, singlecoated us version, large was alleged of issue (osteolysis) could not be confirmed, since the device was not returned for evaluation and no other evidences were provided.More detailed information about the complaint event as well as the affected device must be available in order to determine the root cause of the complaint event.The device inspection was not possible as the product was not returned for investigation.A review of the device history for the reported lot did not indicate any abnormalities.No corrective actions are required at this time.Based on the available information, no relation could be established between the device and the reported event.The instruction for use clearly states osteolysis and/or other periprosthetic bone loss as one of the potential adverse effects.A review of the labeling did not indicate any abnormalities.If device is returned or any further information is provided, the investigation report will be reassessed.

Event Description

As reported in clinical investigation, on (b)(6) 2017 an 11mm osteolysis was seen on subject ct scan on the right side located near the medial barrel and medial malleolar.Adverse event onset was about 11 months post-op of a star in her right ankle on (b)(6) 2017.Subject is undergoing observation and event is ongoing without treatment.

• Brand Name: TIBIAL COMP,SINGLECOATED US VERSION, LARGE
• Type of Device: PROSTHESIS, KNEE, FEMOROTIBIAL, UNICOMPARTMENTAL, SEMI-CONSTRAINED, METAL/POLYME
• Manufacturer (Section D): STRYKER GMBH; bohnackerweg 1; postfach; selzach 2545 ; CH 2545
• MDR Report Key: 7379609
• MDR Text Key: 103775638
• Report Number: 0008031020-2018-00246
• Device Sequence Number: 1
• Product Code: NTG
• UDI-Device Identifier: 00886385016542
• UDI-Public: (01)00886385016542
• Combination Product (y/n): N
• PMA/PMN Number: P050050
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: health professional
• Type of Report: Initial,Followup
• Report Date: 09/25/2018

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 03/28/2018
• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: No
• Device Operator: Lay User/Patient
• Device Expiration Date: 05/31/2020
• Device Model Number: 400-263
• Device Catalogue Number: 400263
• Device Lot Number: 1507066
• Was Device Available for Evaluation?: No
• Date Manufacturer Received: 08/28/2018
• Is This a Reprocessed and Reused Single-Use Device?: No
• Patient Sequence Number: 1
• Patient Outcome(s): Other
• Patient Age: 72 YR
• Patient Weight: 64