MAUDE Adverse Event Report: MICROSURGICAL TECHNOLOGY INC MST; MALYUGIN RING SYS 7.0MM

Model Number	MAL-0002-1
Medical Device Problem Code	Difficult to Fold, Unfold or Collapse (1254)
Health Effect - Clinical Code	Insufficient Information (4580)
Type of Reportable Event	Malfunction
Event or Problem Description
Rings would not properly expand when advancing.No patient injury.

• Brand Name: MST
• Common Device Name: MALYUGIN RING SYS 7.0MM
• Manufacturer (Section D): MICROSURGICAL TECHNOLOGY INC; 8415 154th ave ne; redmond WA 98052
• Manufacturer (Section G): MICROSURGICAL TECHNOLOGY INC; 8415 154th ave ne; redmond WA 98052
• Manufacturer Contact: yamini nidumolu ; 8415 154th ave ne; redmond, WA 98052 ; 4255560544
• MDR Report Key: 24503260
• Report Number: 3019924-2026-00047
• Device Sequence Number: 9960798
• Product Code: HOC
• UDI-Device Identifier: 00844685000043
• UDI-Public: 00844685000043
• Combination Product (Y/N): N
• Initial Reporter Country: US
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: User Facility
• Initial Reporter Occupation: Other
• Remedial Action: Replace
• Type of Report: Initial
• Report Date (Section B): 03/03/2026

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: MAL-0002-1
• Device Catalogue Number: MAL-0002-1
• Device Lot Number: 211575
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 02/18/2026
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 02/05/2026
• Initial Report FDA Received Date: 03/03/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• 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: Unknown
• Patient Sequence Number: 1
• Patient Sex: Unknown