MAUDE Adverse Event Report: STRYKER ORTHOPAEDICS-MAHWAH X3 TRIATHLON CS INSERT #2 9MM; PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, CO

Model Number	5531-G-209
Medical Device Problem Code	Insufficient Device Problem Information (3190)
Health Effect - Clinical Codes	Pain (1994); Swelling/ Edema (4577)
Date of Event	01/01/2020
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
The following devices were also listed in this report: device name: triathlon cr fem comp #3 l-cem; cat#: 5510f301; lot# :ept3r.Device name: triathlon asymmetric x3 patella; cat#: 5551-g-299; lot#: 1wyk.Device name: triathlon prim cem fxd bplt #2; cat#: 5520b200; lot#: e926a.It cannot be determined which, if any of these devices may have caused or contributed to the patient's experience.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.Device not returned.
Event or Problem Description
Clinician review of additional information received indicates patient had a left knee aspiration 10ml bloody but clear synovial fluid in (b)(6) 2020 (7 months post-op) after complaint of persistent and increasing pain and swelling.

• Brand Name: X3 TRIATHLON CS INSERT #2 9MM
• Common Device Name: PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, CO
• Manufacturer (Section D): STRYKER ORTHOPAEDICS-MAHWAH; 325 corporate drive; mahwah NJ 07430
• MDR Report Key: 10588526
• Report Number: 0002249697-2020-01996
• Device Sequence Number: 2977268
• Product Code: MBH
• UDI-Device Identifier: 07613327045659
• UDI-Public: 07613327045659
• Combination Product (Y/N): N
• Initial Reporter State: IL
• Initial Reporter Country: US
• PMA/510(K) Number: K141056
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2019
• Reporter Type: Manufacturer
• Report Source: health professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 09/25/2020

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 Expiration Date: 03/31/2024
• Device Model Number: 5531-G-209
• Device Catalogue Number: 5531G209
• Device Lot Number: LJC692
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 09/01/2020
• Initial Report FDA Received Date: 09/25/2020
• 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
• Patient Age: 74 YR
• Patient Weight: 68