MAUDE Adverse Event Report: AOMORI OLYMPUS CO., LTD. SINGLE USE ASPIRATION NEEDLE NA-U401SX

Model Number	NA-U401SX-4021
Medical Device Problem Codes	Material Too Rigid or Stiff (1544); Failure to Fire (2610); Material Deformation (2976)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	05/29/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
H10: related report number: report 2: 3011050570-2025-00602.Related patient identifiers: report 3: (b)(6), report 4: (b)(6).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 subject device handle mechanism was overly stiff which caused problems deploying the needle properly and caused the needle tip to bend.This event occurred during a diagnostic endobronchial ultrasound procedure.The procedure was completed with a similar olympus device.There were no reports of patient harm.This is report one of four.
Additional Manufacturer Narrative
The mdr supplemental report is being submitted to provide updated fields and final investigation results.Updated fields: h2, h4, h6, h11.The device was not returned for evaluation and the customer's allegation could not be confirmed.Based on the results of the investigation, and since the device was not returned for evaluation, the definitive root cause of the reported issue could not be determined.Olympus will continue to monitor the performance of this device.
Event or Problem Description
No additional information received from the customer.

• Brand Name: SINGLE USE ASPIRATION NEEDLE NA-U401SX
• Common Device Name: SINGLE USE ASPIRATION NEEDLE
• 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: 22330667
• Report Number: 9614641-2025-01062
• Device Sequence Number: 9417804
• Product Code: FCG
• UDI-Device Identifier: 04953170388248
• UDI-Public: 04953170388248
• Combination Product (Y/N): N
• Initial Reporter State: GA
• Initial Reporter Country: US
• PMA/510(K) Number: K160098
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional,User Facility,Company Representative
• Initial Reporter Occupation: Nurse
• Type of Report: Initial,Followup
• Report Date (Section B): 02/02/2026

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: NA-U401SX-4021
• Device Lot Number: KR461715
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 05/29/2025
• Supplement Date Received by Manufacturer: 01/13/2026
• Initial Report FDA Received Date: 06/25/2025
• Supplement Report FDA Received Date: 02/02/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 06/12/2024
• 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 Age: 72 YR
• Patient Sex: Male
• Patient Weight: 78 KG
• Patient Race: Black Or African American