MAUDE Adverse Event Report: STRYKER ORTHOPAEDICS-MAHWAH X3 TRIATHLON INSERT CS #5 14MM; PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/META

Model Number	5531-G-514-E
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Code	Unspecified Infection (1930)
Date of Event	03/10/2021
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
Review of the device history records indicate devices were manufactured and accepted into final stock with no relevant reported discrepancies.There have been no other similar events for the lot referenced.It was noted that the device is not available for evaluation.Should additional information become available, it will be provided in a supplemental report upon completion of the investigation.The following devices were also listed in this report: triathlon symmetric x3 patella; 5550-g-298-e ; xeht; tri cemented stem 12mmx50mm; 5560-s-112 ; 0106751m; tri ts baseplate size 5; 5521-b-500; erd7ea; triathlon cr fem comp #5 l-cem; 5510f501; jb36j.It cannot be determined which, if any of these devices may have caused or contributed to the patient's experience.Device not returned.
Event or Problem Description
It was reported that the patient's left knee was revised due to possible infection.An i&d and liner exchange was done.A 5x14 cs insert was upsized to a 5x16 cs due to some minor joint laxity.Rep confirmed that no further information would be released by the hospital or surgeon.

• Brand Name: X3 TRIATHLON INSERT CS #5 14MM
• Common Device Name: PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/META
• Manufacturer (Section D): STRYKER ORTHOPAEDICS-MAHWAH; 325 corporate drive; mahwah NJ 07430
• MDR Report Key: 11618905
• Report Number: 0002249697-2021-00610
• Device Sequence Number: 16966810
• Product Code: JWH
• UDI-Device Identifier: 07613327390650
• UDI-Public: 07613327390650
• Combination Product (Y/N): N
• Initial Reporter State: FL
• Initial Reporter Country: US
• PMA/510(K) Number: K173849
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2021
• Device Explanted Year: 2021
• Reporter Type: Manufacturer
• Report Source: health professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 04/06/2021

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 Expiration Date: 05/31/2024
• Device Model Number: 5531-G-514-E
• Device Catalogue Number: 5531-G-514-E
• Device Lot Number: VV57RN
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 03/10/2021
• Initial Report FDA Received Date: 04/06/2021
• 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
• Patient Age: 53 YR
• Patient Weight: 135