MAUDE Adverse Event Report: STRYKER ORTHOPAEDICS-MAHWAH MRHK TIB INS 13MM XS/S S1/S2; KNEE JOINT FEMOROTIBIAL METAL/POLYMER CONSTRAINED CEMENTED PROSTHESIS.

Catalog Number	64813213
Medical Device Problem Code	Insufficient Device Problem Information (3190)
Health Effect - Clinical Codes	Injury (2348); Ambulation or Postural Difficulties (2544)
Date of Event	10/22/2018
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
An event regarding revision due to range of motion issues involving an mrh 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 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 right knee was revised due to being tight in flexion.Mrh bumper insert, rotating component, and rotating hinge knee were exchanged for the same catalog numbers.A 13mm tibial insert was exchanged for a 10mm tibial insert.

• Brand Name: MRHK TIB INS 13MM XS/S S1/S2
• Common Device Name: KNEE JOINT FEMOROTIBIAL METAL/POLYMER CONSTRAINED CEMENTED PROSTHESIS.
• Manufacturer (Section D): STRYKER ORTHOPAEDICS-MAHWAH; 325 corporate drive; mahwah NJ 07430
• MDR Report Key: 8086413
• Report Number: 0002249697-2018-03755
• Device Sequence Number: 13886627
• Product Code: KRO
• UDI-Device Identifier: 07613327043792
• UDI-Public: 07613327043792
• Combination Product (Y/N): N
• Initial Reporter State: FL
• Initial Reporter Country: US
• PMA/510(K) Number: K994207
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2018
• Device Explanted Year: 2018
• Reporter Type: Manufacturer
• Report Source: health professional,other
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 11/19/2018

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 Expiration Date: 10/30/2022
• Device Catalogue Number: 64813213
• Device Lot Number: LHC222
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 10/22/2018
• Initial Report FDA Received Date: 11/19/2018
• 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