MAUDE Adverse Event Report: STRYKER ORTHOPAEDICS-MAHWAH UNKNOWN TIBIAL BASEPLATE; PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, CO

Catalog Number UNK_JR

Device Problem Loss of Osseointegration (2408)

Patient Problem Inadequate Osseointegration (2646)

Event Date 05/24/2023

Event Type  Injury  

Manufacturer Narrative

Reported event: an event regarding loosening involving an unknown baseplate 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 was not returned.Clinician review: no medical records were received for review with a clinical consultant.Product history review: could not be performed as the device lot details were not provided.Complaint history review: could not be performed as the device lot details were not provided.Conclusions: it was reported that the patient was revised due to aseptic loosening of the femoral and tibial components.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 revision 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.H3 other text : not returned to the manufacturer.

Event Description

Subject had revision of stryker components on 19jan2021 upon enrollment in triathlon cones (76) study.Subject had a patella implanted on (b)(6) 2018 that was not revised.Revision was observed during routine monitoring visit upon review of previous implant information.Pre-op images provided by site to sponsor in intelemage.Update: reason for revision: aseptic failure of the knee -implant migration, loosening of femoral and tibial components.

Manufacturer Narrative

An event regarding loosening involving an unknown baseplate 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 was not returned.Clinician review: a review of the provided medical records by a clinical consultant indicated: "assessment/conclusions: by report only a revision surgery was performed on a patient who was enrolled in a triathlon cones study.The reason for revision was aseptic failure of the knee with implant migration by report.No medical information, revision data, operative reports, or postoperative images were provided for review.The provided x-rays did not show frank failure.Event confirmation: the revision event cannot be confirmed.Root cause: a root cause cannot be ascertained as the event cannot be confirmed." product history review: could not be performed as the device lot details were not provided.Complaint history review: could not be performed as the device lot details were not provided.Conclusions: it was reported that the patient was revised due to aseptic loosening of the femoral and tibial components.A review of the provided medical records by a clinical consultant indicated: "assessment/conclusions: by report only a revision surgery was performed on a patient who was enrolled in a triathlon cones study.The reason for revision was aseptic failure of the knee with implant migration by report.No medical information, revision data, operative reports, or postoperative images were provided for review.The provided x-rays did not show frank failure.Event confirmation: the revision event cannot be confirmed.Root cause: a root cause cannot be ascertained as the event cannot be confirmed." 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.

Event Description

Subject had revision of stryker components on (b)(6) 2021 upon enrollment in triathlon cones (76) study.Subject had a patella implanted on (b)(6) 2018 that was not revised.Revision was observed during routine monitoring visit upon review of previous implant information.Pre-op images provided by site to sponsor in intelemage.Update: reason for revision: aseptic failure of the knee -implant migration, loosening of femoral and tibial components.

• Brand Name: UNKNOWN TIBIAL BASEPLATE
• Type of Device: PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, CO
• Manufacturer (Section D): STRYKER ORTHOPAEDICS-MAHWAH; 325 corporate drive; mahwah NJ 07430
• Manufacturer (Section G): STRYKER ORTHOPAEDICS-MAHWAH; 325 corporate drive; mahwah NJ 07430
• Manufacturer Contact: joann ripoli ; 325 corporate drive; mahwah, NJ 07430 ; 2018315000
• MDR Report Key: 17160745
• MDR Text Key: 317462167
• Report Number: 0002249697-2023-00693
• Device Sequence Number: 1
• Product Code: MBH
• Combination Product (y/n): N
• Reporter Country Code: US
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: Other,Health Professional
• Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date: 08/18/2023

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
• Device Operator: Health Professional
• Device Catalogue Number: UNK_JR
• Device Lot Number: UNKNOWN
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Initial Date Manufacturer Received: 05/24/2023
• Initial Date FDA Received: 06/20/2023
• Supplement Dates Manufacturer Received: 07/31/2023
• Supplement Dates FDA Received: 08/18/2023
• Was Device Evaluated by Manufacturer?: Device Not Returned to Manufacturer
• Is the Device Single Use?: Yes
• Is This a Reprocessed and Reused Single-Use Device?: No
• Type of Device Usage: Initial
• Patient Sequence Number: 1
• Patient Outcome(s): Required Intervention; Hospitalization
• Patient Age: 62 YR
• Patient Sex: Female
• Patient Weight: 121 KG
• Patient Ethnicity: Non Hispanic
• Patient Race: White