MAUDE Adverse Event Report: STRYKER ENDOSCOPY-SAN JOSE ALPHAVENT KNOTLESS, 4.75MM, BIOCOMPOSITE; FASTENER, FIXATION, BIODEGRADABLE, SOFT TISSUE

Catalog Number	3911-856-547
Medical Device Problem Code	Material Fragmentation (1261)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	07/10/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Additional information will be provided once the investigation has been completed.
Event or Problem Description
It was reported that that screw portion broke when screwing in hard bone.
Event or Problem Description
It was reported that screw portion broke when screwing in hard bone.
Additional Manufacturer Narrative
The device was discarded and was not returned for investigation.This complaint investigation was closed based on the device not received, therefore the reported failure mode was not confirmed.In the event that the device is received, the complaint will be reopened and the investigation will be updated with new results.Alleged failure: screw portion broken.Probable root cause: application: excessive force or leveraging of the screw against the bone.Inadequate assessment of bone quality.The reported failure mode will be monitored for future reoccurrence.

• Brand Name: ALPHAVENT KNOTLESS, 4.75MM, BIOCOMPOSITE
• Common Device Name: FASTENER, FIXATION, BIODEGRADABLE, SOFT TISSUE
• Manufacturer (Section D): STRYKER ENDOSCOPY-SAN JOSE; 5900 optical court; san jose CA 95138
• Manufacturer (Section G): STRYKER ENDOSCOPY-SAN JOSE; 5900 optical court; san jose CA 95138
• Manufacturer Contact: benjamin ly ; 5900 optical court; san jose, CA 95138 ; 4087542000
• MDR Report Key: 23011828
• Report Number: 0002936485-2025-00766
• Device Sequence Number: 9710937
• Product Code: MAI
• UDI-Device Identifier: 07613327662030
• UDI-Public: 07613327662030
• Combination Product (Y/N): N
• Initial Reporter State: MI
• Initial Reporter Country: US
• PMA/510(K) Number: K250528
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Company Representative
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 11/14/2025

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 Catalogue Number: 3911-856-547
• Device Lot Number: 25157AE2
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 08/12/2025
• Supplement Date Received by Manufacturer: 10/30/2025
• Initial Report FDA Received Date: 09/09/2025
• Supplement Report FDA Received Date: 11/14/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 06/06/2025
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Patient Sex: Unknown