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

Model Number	M00545840
Medical Device Problem Code	Device Slipped (1584)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	10/02/2025
Type of Reportable Event	Serious Injury
Event or Problem Description
Note: this report pertains to one of two rx needle knife xl used in the same patient and procedure.It was reported to boston scientific corporation that a rx needle knife x was used in the ampulla during an endoscopic retrograde cholangiopancreatography (ercp) procedure to treat ampullary stenosis performed on (b)(6) 2025.During the procedure, the guide wire kept popping out of the rx channel of the catheter making it impossible to use the wire to advance the needle knife properly.The physician opened another needle knife but had the same problem with the device.The procedure was able to be completed with these devices; however, the procedure was estimated to be extended for an extra 45 minutes due to this event.There were no patient complications reported as a result of this event.
Additional Manufacturer Narrative
Block h6: imdrf impact code f14 captures the reportable event of prolonged episode of care.

• Brand Name: RX NEEDLE KNIFE 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: 23364461
• Report Number: 3005099803-2025-05601
• Device Sequence Number: 15983181
• Product Code: KNS
• UDI-Device Identifier: 08714729283799
• UDI-Public: (01)08714729283799(17)251005(10)32585786
• Combination Product (Y/N): N
• Initial Reporter State: CA
• Initial Reporter Country: US
• 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: Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 10/23/2025

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: No
• Operator of Device: Health Professional
• Device Expiration Date: 10/05/2025
• Device Model Number: M00545840
• Device Catalogue Number: M00545840
• Device Lot Number: 0032585786
• 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: 10/02/2025
• Initial Report FDA Received Date: 10/23/2025
• Date Device Manufactured: 10/06/2023
• 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
• Outcome Attributed to Adverse Event: Other
• Patient Sex: Unknown