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

Model Number	744000
Medical Device Problem Code	Unexpected Shutdown (4019)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported the generator had energy loss during cutting.There were no reports of patient harm.
Additional Manufacturer Narrative
The investigation is ongoing.A supplemental report will be submitted when the investigation is completed or if additional information becomes available.
Additional Manufacturer Narrative
This supplemental report is being submitted to provide the results of the final investigation.Updated fields: h3 and h6.The device was returned to olympus for inspection, and the reported failure was confirmed.In addition, the following reportable malfunction was identified during the device evaluation: the plasma kinetic (pk) radio frequency (rf) board failed, resulting in insufficient electronic output power.A root cause could not be identified.Based on the investigation results, it is likely that the following led to the malfunction: cause traced to component 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
No new information provided by customer.

• 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: 24291501
• Report Number: 3011050570-2026-00151
• Device Sequence Number: 10247664
• Product Code: GEI
• UDI-Device Identifier: 00821925009271
• UDI-Public: 00821925009271
• Combination Product (Y/N): N
• Initial Reporter Country: SP
• 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,Health Professional,User Facility
• Initial Reporter Occupation: Administrator/Supervisor
• Type of Report: Initial,Followup
• Report Date (Section B): 04/07/2026

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: 744000
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 01/29/2026
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 01/14/2026
• Supplement Date Received by Manufacturer: 03/10/2026
• Initial Report FDA Received Date: 02/09/2026
• Supplement Report FDA Received Date: 04/07/2026
• 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: Unknown
• Patient Sequence Number: 1
• Patient Sex: Unknown