MAUDE Adverse Event Report: SHIRAKAWA OLYMPUS CO., LTD. HIGH FLOW INSUFFLATION UNIT

Model Number	UHI-4
Medical Device Problem Code	Increase in Pressure (1491)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The investigation is ongoing.A supplemental report will be submitted when the investigation is completed or if additional information becomes available.
Event or Problem Description
It was reported the high flow insufflation unit experienced an overpressurization problem.There were no reports of patient harm.
Additional Manufacturer Narrative
B3: date of the event is unknown.Additional information will be provided if available.This supplemental report is being submitted to provide the results of the final investigation.The device was returned to olympus for inspection, and the reported failure was confirmed.A definitive root cause could not be identified.Based on the results of the investigation, it is likely the following led to the malfunction: unit meets the criteria for the printed circuit board replacement and software upgrade from ver 1.02 to 1.03.Olympus will continue to monitor field performance for this device.
Event or Problem Description
No additional information received from customer.

• Brand Name: HIGH FLOW INSUFFLATION UNIT
• Common Device Name: HIGH FLOW INSUFFLATION UNIT
• Manufacturer (Section D): SHIRAKAWA OLYMPUS CO., LTD.; 3-1 okamiyama; odakura, nishigo-mura,; nishishirakawa-gun, fukushima 961-8 061; JA 961-8061
• Manufacturer (Section G): SHIRAKAWA OLYMPUS CO., LTD.; 3-1 okamiyama; odakura, nishigo-mura,; nishishirakawa-gun, fukushima 961-8 061; JA 961-8061
• Manufacturer Contact: todd brill ; 800 west park drive; westborough, MA 01581 ; 5082077661
• MDR Report Key: 24419259
• Report Number: 3002808148-2026-05026
• Device Sequence Number: 17621643
• Product Code: HIF
• UDI-Device Identifier: 04953170324147
• UDI-Public: 04953170324147
• Combination Product (Y/N): N
• Initial Reporter Country: CA
• PMA/510(K) Number: K243527
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,User Facility
• Initial Reporter Occupation: Other
• Remedial Action: Repair
• Type of Report: Initial,Followup
• Report Date (Section B): 05/27/2026

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: UHI-4
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 01/26/2026
• Supplement Date Received by Manufacturer: 05/15/2026
• Initial Report FDA Received Date: 02/23/2026
• Supplement Report FDA Received Date: 05/27/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 04/27/2016
• 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
• If action reported to FDA under 21 USC 360i(g), list FDA-assigned Recall Number or include a statement: 3002808148-10/09/2023-00
• Patient Sequence Number: 1
• Patient Sex: Unknown