MAUDE Adverse Event Report: MAKO SURGICAL CORP. MAKO UKR X3 ONLAY INSERT SIZE 5 - 8 MM; PROSTHESIS, KNEE PATELLOFEMOROTIBIAL, PARTIAL, SEMI-CONSTRAINED, CEMENTED, POLYM

Catalog Number	180735-1-E
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Code	Unspecified Infection (1930)
Date of Event	04/08/2025
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
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.
Event or Problem Description
It was reported by the company representative that patient develop infection from post pkr due to unknown reasons.
Event or Problem Description
No new information.
Additional Manufacturer Narrative
The following devices were also listed in this report: mck femoral-rm-ll-sz 4; cat # 180514; lot # c47p-1.Mck tibial baseplate-rm/ll-sz 5; cat # 180615; lot # 26620124-01.It cannot be determined which, if any of these devices may have caused or contributed to the patient's experience.Reported event.An event regarding infection involving a mako insert was reported.The event was not confirmed.Method & results.Product evaluation and results: material analysis, visual, functional and dimensional inspections could not be performed as the device remained implanted.Clinician review: no medical records were received for review with a clinical consultant.Product history review: review of the device history records indicate devices were manufactured and accepted into final stock with no relevant reported discrepancies.Complaint history review: there have been no other similar events for the lot or sterile lot refenced.Conclusions: it was reported that the patient developed an infection.All stryker products sold as sterile are validated to a minimum sterility assurance level sal of 10^-6 in accordance to applicable iso standards.The exact cause of the event could not be determined because insufficient information was provided.Further information such as return of the device, pathology reports, pre- and post-operative x-rays and the primary operative report as well as patient history and follow-up notes are needed to complete the investigation for determining root cause.No further investigation for this event is possible at this time.If devices and / or additional information become available to indicate further evaluation is warranted, this record will be reopened.

• Brand Name: MAKO UKR X3 ONLAY INSERT SIZE 5 - 8 MM
• Common Device Name: PROSTHESIS, KNEE PATELLOFEMOROTIBIAL, PARTIAL, SEMI-CONSTRAINED, CEMENTED, POLYM
• Manufacturer (Section D): MAKO SURGICAL CORP.; 3365 enterprise ave; weston FL 33331
• Manufacturer (Section G): STRYKER ORTHOPAEDICS-MAHWAH; 325 corporate drive; mahwah NJ 07430
• Manufacturer Contact: marisol santiago ; 325 corporate drive; mahwah, NJ 07430 ; 2018315000
• MDR Report Key: 21940832
• Report Number: 3005985723-2025-00195
• Device Sequence Number: 12961787
• Product Code: NPJ
• UDI-Device Identifier: 07613327386028
• UDI-Public: 07613327386028
• Combination Product (Y/N): N
• Initial Reporter Country: MY
• PMA/510(K) Number: K180612
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Company Representative
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 09/19/2025

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: 180735-1-E
• Device Lot Number: PX663W
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 04/08/2025
• Supplement Date Received by Manufacturer: 08/25/2025
• Initial Report FDA Received Date: 05/01/2025
• Supplement Report FDA Received Date: 09/19/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 01/22/2024
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Disability; Required Intervention; Other; Hospitalization
• Patient Sex: Unknown