MAUDE Adverse Event Report: SMITH & NEPHEW, INC. KNIFE TRIANGLE BOXED SET; ARTHROSCOPE

Model Number	4448
Medical Device Problem Code	Break (1069)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	07/14/2021
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
Internal complaint reference: (b)(4).
Event or Problem Description
It was reported that during a biolaterial carpal tunnel release, the very small fragment in the tip of the knife triangle broke off inside the patient's carpal tunnel.The piece was removed with no complications, the procedure was completed with a s+n back-up device.No delay was reported, and no patient injury or other complications were reported.
Additional Manufacturer Narrative
The reported device, used in treatment, was not returned to the designated complaint unit for independent evaluation, thus visual inspection and functional testing could not be performed.A review of the device history records showed there were no indications to suggest that the product did not meet manufacturing specification or would not be able to perform as intended.A complaint history review concluded this was an isolated event.The instructions for use was reviewed and found to include conditions of off label use and technique specifics, as well as precautions and warnings related to the use of the device.A review of risk management files found that the reported failure was documented appropriately.A relationship, if any, between the subject device and the reported event could not be determined.Please refer to the instructions for use for recommendations on proper use of the device and potential troubleshooting methods to prevent future reoccurrence of the reported event.No containment or corrective actions are recommended at this time.If the product associated with this event is returned at a future date, this investigation will be reopened for evaluation.

• Brand Name: KNIFE TRIANGLE BOXED SET
• Common Device Name: ARTHROSCOPE
• Manufacturer (Section D): SMITH & NEPHEW, INC.; 130 forbes blvd.; mansfield MA 02048
• MDR Report Key: 12277539
• Report Number: 1219602-2021-01658
• Device Sequence Number: 4599556
• Product Code: HRX
• UDI-Device Identifier: 03596010129406
• UDI-Public: 03596010129406
• Combination Product (Y/N): N
• Initial Reporter State: MI
• Initial Reporter Country: US
• PMA/510(K) Number: K954627
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: consumer,health professional
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 09/08/2021

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?: Yes
• Operator of Device: Health Professional
• Device Expiration Date: 03/07/2026
• Device Model Number: 4448
• Device Catalogue Number: 4448
• Device Lot Number: 50925512
• Was Device Available for Evaluation?: No
• Initial Date Received by Manufacturer: 07/14/2021
• Supplement Date Received by Manufacturer: 09/07/2021
• Initial Report FDA Received Date: 08/04/2021
• Supplement Report FDA Received Date: 09/08/2021
• 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: Other