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

Catalog Number UNK_JR

Device Problem Adverse Event Without Identified Device or Use Problem (2993)

Patient Problems Pain (1994); Unequal Limb Length (4534); Swelling/ Edema (4577)

Event Date 01/11/2024

Event Type  Injury  

Manufacturer Narrative

An event regarding limb length discrepancy involving an unknown knee implant was reported.This event was not confirmed.Method & results: device evaluation and results: not performed as product remains implanted.Clinician review: no medical records were received for review with a clinical consultant.Device history review: could not be performed as lot code information was not provided.Complaint history review: could not be performed as lot code information was not provided.Conclusions: 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.H3 other text : device not returned.

Event Description

It was reported through the stryker facebook page, "had both knees done (b)(6) 2015.After 8 years i have constant pain and extreme swelling in both knees.Walking is worse now than before.I cannot kneel, cannot get out of a bathtub, only showers for 8 years.I have had 15 falls because the of my knees.The last 2 falls i hit my head.My balance is off and 1 leg is shorter than the other.I have had physical therapy multiple times over the years and it has not helped.Tests show no damage to the appliances but i believe they are too large for my bone structure.I can not do many of the things i could do before tkr." this report addresses the patient's left knee.

• Brand Name: UNKNOWN KNEE
• 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: brad curtis ; 325 corporate drive; mahwah, NJ 07430 ; 2018315000
• MDR Report Key: 18615583
• MDR Text Key: 334220806
• Report Number: 0002249697-2024-00166
• 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: Consumer
• Reporter Occupation: Other
• Type of Report: Initial
• Report Date: 01/31/2024

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 01/31/2024
• 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
• Date Manufacturer Received: 01/11/2024
• 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): Other
• Patient Sex: Female