MAUDE Adverse Event Report: MAKO SURGICAL CORP. MCK TIBIAL ONLAY INSERT-SZ 7-8MM; PROSTHESIS, KNEE PATELLOFEMOROTIBIAL, PARTIAL, SEMI-CONSTRAINED, CEMENTED, POLY

Catalog Number	180707-1
Medical Device Problem Code	Insufficient Device Problem Information (3190)
Health Effect - Clinical Code	Injury (2348)
Date of Event	11/06/2018
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
An event regarding revision surgery involving a mako insert was reported.The event was not confirmed.Method & results: device evaluation and results: not performed as product was not returned medical records received and evaluation: no medical records were received for review with a clinical consultant device history review: all 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 reported lot.Conclusion: the exact cause of the event could not be determined because insufficient information was provided.Additional information including confirmation of the nature of the loose bodies, operative reports, progress notes, x-rays and return of the device are needed to fully investigate the event.If further information becomes available or the product is returned, this investigation will be re-opened.
Event or Problem Description
It was reported that patient's left knee was revised.A liner exchange with irrigation and debridement was performed due to loose bodies in the knee joint.Nature, composition, and origin of the loose bodies is unknown.

• Brand Name: MCK TIBIAL ONLAY INSERT-SZ 7-8MM
• Common Device Name: PROSTHESIS, KNEE PATELLOFEMOROTIBIAL, PARTIAL, SEMI-CONSTRAINED, CEMENTED, POLY
• Manufacturer (Section D): MAKO SURGICAL CORP.; 2555 davie road; fort lauderdale FL 33317
• MDR Report Key: 8134799
• Report Number: 3005985723-2018-00708
• Device Sequence Number: 1616602
• Product Code: NPJ
• UDI-Device Identifier: 00848486000974
• UDI-Public: 00848486000974
• Combination Product (Y/N): N
• Initial Reporter State: MA
• Initial Reporter Country: US
• PMA/510(K) Number: K090763
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2017
• Device Explanted Year: 2018
• Reporter Type: Manufacturer
• Report Source: health professional,other
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 12/05/2018

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: 180707-1
• Device Lot Number: 12230316-1
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 11/06/2018
• Initial Report FDA Received Date: 12/05/2018
• 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