MAUDE Adverse Event Report: GYRUS ACMI, INC. GYRUS, PK-SP GENERATOR; ELECTROSURGICAL, CUTTING & COAGULATION & ACCESSORIES

Model Number	744000
Medical Device Problem Codes	Energy Output Problem (1431); Failure to Calibrate (2440)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	12/18/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The device was returned to olympus for inspection.Based on the investigation results, a probable root cause could not be identified.In addition, the following reportable malfunctions were identified during device evaluation: plasma kinetic radio frequency (pkrf) board failure and socket select board (sprf connector) failure.Should additional relevant information become available, a supplemental report will be submitted.Olympus will continue to monitor field performance for this device.
Event or Problem Description
It was observed that during the device evaluation, the generator experienced failures on the plasma kinetic radio frequency (pkrf) board and the socket select board (sprf connector).There was no patient involvement.

• Brand Name: GYRUS, PK-SP GENERATOR
• Common Device Name: ELECTROSURGICAL, CUTTING & COAGULATION & ACCESSORIES
• Manufacturer (Section D): GYRUS ACMI, INC.; 9600 louisiana avenue north; brooklyn park MN 55445
• Manufacturer (Section G): GYRUS ACMI, INC.; 9600 louisiana avenue north; brooklyn park MN 55445
• Manufacturer Contact: todd brill ; 800 west park drive; westborough, MA 01581 ; 5082077661
• MDR Report Key: 24796281
• Report Number: 3011050570-2026-00355
• Device Sequence Number: 9492680
• Product Code: GEI
• UDI-Device Identifier: 00821925009271
• UDI-Public: 00821925009271
• Combination Product (Y/N): N
• Initial Reporter Country: IT
• PMA/510(K) Number: K031085
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Foreign,Company Representative
• Initial Reporter Occupation: Non-Healthcare Professional
• Type of Report: Initial
• Report Date (Section B): 04/06/2026

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: Other
• Device Model Number: 744000
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 01/20/2026
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 03/10/2026
• Initial Report FDA Received Date: 04/06/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Is the Device Labeled for Single Use? (Y/N): No
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Reuse
• Patient Sequence Number: 1
• Patient Sex: Unknown