MAUDE Adverse Event Report: BOSTON SCIENTIFIC CORPORATION MICROKNIFE XL; UNIT, ELECTROSURGICAL, ENDOSCOPIC (WITH OR WITHOUT ACCESSORIES)

Model Number	M00532810
Medical Device Problem Code	Break (1069)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	03/03/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Block e1: the initial reporter facility name is (b)(6); reported here as the name exceeded character limit for designated field.Block h6: imdrf device code a0401 captures the reportable event of cutting wire broken.Block h11: investigation results the device was not returned for analysis and was reported to be disposed; therefore, a technical analysis could not be performed.A review of the device history record (dhr) was performed.The review of the dhr identified that there were no process related non-conformances, scrap, or rework performed during the production that could explain the event.The reviews ensure each device meets specification prior to release for use.There is no indication the device manufacturing process contributed to the reported complaint.Based on a thorough review of the reported complaint, boston scientific has assigned an investigation conclusion code of caused not established.
Event or Problem Description
It was reported to boston scientific corporation that a microknife xl was prepared for used in the biliary tract during an endoscopic retrograde cholangiopancreatography (ercp) procedure to treat biliary obstruction performed on (b)(6) 2026.During the preparation outside the patient, it was reported that when the product was unpacked and it was noticed that the wire on the handle was fractured and could not be used.The procedure was completed with another of the same device.There were no patient complications reported as a result of this event and the patient's condition at the conclusion of the procedure was reported to be stable.

• Brand Name: MICROKNIFE XL
• Common Device Name: UNIT, ELECTROSURGICAL, ENDOSCOPIC (WITH OR WITHOUT ACCESSORIES)
• Manufacturer (Section D): BOSTON SCIENTIFIC CORPORATION; 300 boston scientific way; marlborough MA 01752
• Manufacturer (Section G): BOSTON SCIENTIFIC CORPORATION; 2546 calle primera; alajuela ; CS
• Manufacturer Contact: christina lam ; 300 boston scientific way; marlborough, MA 01752 ; 9145716918
• MDR Report Key: 24706599
• Report Number: 3005099803-2026-01118
• Device Sequence Number: 16091303
• Product Code: KNS
• UDI-Device Identifier: 08714729172017
• UDI-Public: (01)08714729172017(17)270214(10)35850335
• Combination Product (Y/N): N
• Initial Reporter Country: CH
• PMA/510(K) Number: K973826
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Other,Foreign,Health Professional,Company Representative,Distributor
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 03/26/2026

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: M00532810
• Device Catalogue Number: M00532810
• Device Lot Number: 0035850335
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 03/03/2026
• Initial Report FDA Received Date: 03/26/2026
• Date Device Manufactured: 02/14/2025
• 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: 40 YR
• Patient Sex: Male
• Patient Weight: 55 KG