MAUDE Adverse Event Report: AOMORI OLYMPUS CO., LTD. SINGLE USE LIGATING DEVICE

Model Number	HX-400U-30
Medical Device Problem Code	Difficult to Remove (1528)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	05/30/2022
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The customer's allegation was not confirmed.The device was not returned for evaluation and could not be evaluated.Based on the results of the investigation, a definitive root cause cannot be identified.A device history review revealed no issues that could have caused or contributed to the reported issue.Olympus will continue to monitor the field performance of this device.Should additional relevant information become available, a supplemental report will be submitted.
Event or Problem Description
It was reported that the single use ligating device's handle spring broke and was ejected, making the ligation loop unable to be released.Then the doctor cut the outer sheath wire, and the ligation loop was successfully released.The issue was found during an esd (endoscopic submucosal dissection) procedure.There were no reports of patient harm.

• Brand Name: SINGLE USE LIGATING DEVICE
• Common Device Name: SINGLE USE LIGATING DEVICE
• Manufacturer (Section D): AOMORI OLYMPUS CO., LTD.; 2-248-1 okkonoki; kuroishi-shi, aomori 036-0 357; JA 036-0357
• Manufacturer (Section G): AOMORI OLYMPUS CO., LTD.; 2-248-1 okkonoki; kuroishi-shi, aomori 036-0 357; JA 036-0357
• Manufacturer Contact: todd brill ; 800 west park drive; westborough, MA 01581 ; 5082077661
• MDR Report Key: 23043196
• Report Number: 9614641-2025-80030
• Device Sequence Number: 21352766
• Product Code: MND
• UDI-Device Identifier: 04953170194641
• UDI-Public: 04953170194641
• Combination Product (Y/N): N
• Initial Reporter Country: CH
• PMA/510(K) Number: CLASS2EXMPT
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Foreign,User Facility
• Initial Reporter Occupation: Other
• Type of Report: Initial
• Report Date (Section B): 09/12/2025

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 Model Number: HX-400U-30
• Device Lot Number: 1XK
• Was Device Available for Evaluation?: No
• Was the Report Sent to FDA?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 06/27/2022
• Initial Report FDA Received Date: 09/12/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 10/01/2021
• 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