MAUDE Adverse Event Report: ZIMMER BIOMET, INC. KNE-STEM-UNK; PROSTHESIS, KNEE

Model Number N/A

Device Problem Migration or Expulsion of Device (1395)

Patient Problem Failure of Implant (1924)

Event Type  Injury  

Manufacturer Narrative

(b)(4).Customer has indicated that the product will not be returned to zimmer biomet for investigation, as the device was discarded by the facility.The investigation is in process.Once the investigation has been completed, a follow-up mdr will be submitted.

Event Description

T was reported the patient underwent a right knee procedure.Subsequently, 34 years post procedure the patient was revised due to the implant currently sticking out of the patient's skin.Hcp/facility will not release medical records, op notes or additional images.Explanted product was discarded by the facility.No product to return.

Event Description

No further event information available at the time of this report.

Manufacturer Narrative

This follow-up report is being submitted to relay additional information.Component code- suggested code: mechanical code (g4)-stem no product was returned or pictures provided; visual and dimensional evaluations could not be performed.Part and lot identification are necessary for review of device history records, neither were provided.Insufficient information provided to perform a compatibility check.Complaint history review cannot be performed without product identification.Radiographs were provided and reviewed by a health care professional.Review of the available records identified that the extension of the right femur implant was well beyond the greater trochanter and apparently through the skin.No bone fracture or dislocation or loosening were noted.The patient bone was noted to be osteopenia; however, this would not cause the reported issue as the patient anatomy appears unremarkable.The complaint is confirmed.A definitive root cause cannot be determined.No corrective actions, preventive actions, or field actions resulted after investigation of this event.If any further information is found which would change or alter any conclusions or information, a supplemental will be filed accordingly.Zimmer biomet will continue to monitor for trends.

• Brand Name: KNE-STEM-UNK
• Type of Device: PROSTHESIS, KNEE
• Manufacturer (Section D): ZIMMER BIOMET, INC.; 1800 w. center st.; warsaw IN 46580
• Manufacturer (Section G): ZIMMER BIOMET, INC.; 1800 w. center st.; warsaw IN 46580
• Manufacturer Contact: jennifer rapsavage ; 56 e. bell dr.; warsaw, IN 46582 ; 5745260384
• MDR Report Key: 14986793
• MDR Text Key: 295703569
• Report Number: 0001822565-2022-02026
• Device Sequence Number: 1
• Product Code: JWH
• Combination Product (y/n): N
• Reporter Country Code: US
• PMA/PMN Number: N/A
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date: 08/10/2022

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 07/12/2022
• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: Yes
• Device Operator: Health Professional
• Device Model Number: N/A
• Was Device Available for Evaluation?: Yes
• Is the Reporter a Health Professional?: Yes
• Was the Report Sent to FDA?: No
• Date Manufacturer Received: 08/08/2022
• 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
• Removal/Correction Number: N/A
• Patient Sequence Number: 1
• Patient Outcome(s): Required Intervention; Hospitalization
• Patient Sex: Male