MAUDE Adverse Event Report: ZIMMER BIOMET, INC. ADJUSTABLE RESECTION TOWER; INSTRUMENT, KNEE

Model Number	N/A
Medical Device Problem Code	Detachment of Device or Device Component (2907)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	04/29/2021
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
(b)(4).Product has been received by zimmer biomet and the investigation is in process.Once the investigation has been completed, a follow-up mdr will be submitted.
Event or Problem Description
It was reported that during the cleaning process, it was discovered that the ball bearings were missing.
Additional Manufacturer Narrative
This follow-up report is being submitted to relay additional information.The following sections were updated: b4; b5; g3; g6; h1; h2; h3; h6 complaint sample was evaluated and the reported event was confirmed.Visual examination of the returned product identified sign of use.Two ball bearing was disassembled and missing.Device history record (dhr) was reviewed and no discrepancies were found.A definitive root cause cannot be determined.If any further information is found which would change or alter any conclusions or information, a supplemental report will be filed accordingly.Zimmer biomet will continue to monitor for trends.
Event or Problem Description
No further event information available at the time of this report.

• Brand Name: ADJUSTABLE RESECTION TOWER
• Common Device Name: INSTRUMENT, KNEE
• Manufacturer (Section D): ZIMMER BIOMET, INC.; 56 e. bell drive; warsaw IN 46582
• MDR Report Key: 11848045
• Report Number: 0001822565-2021-01378
• Device Sequence Number: 3223371
• Product Code: LXH
• UDI-Device Identifier: 00889024232402
• UDI-Public: (01)00889024232402(11)190330(10)64219852
• Combination Product (Y/N): N
• Initial Reporter State: ME
• Initial Reporter Country: US
• PMA/510(K) Number: EXEMPT
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: company representative
• Initial Reporter Occupation: Non-Healthcare Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 07/01/2021

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Model Number: N/A
• Device Catalogue Number: 42509900800
• Device Lot Number: 64219852
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 05/13/2021
• Was the Report Sent to FDA?: No
• Initial Date Received by Manufacturer: 04/29/2021
• Supplement Date Received by Manufacturer: 07/01/2021
• Initial Report FDA Received Date: 05/19/2021
• Supplement Report FDA Received Date: 07/02/2021
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• If action reported to FDA under 21 USC 360i(g), list FDA-assigned Recall Number or include a statement: N/A
• Patient Sequence Number: 1