MAUDE Adverse Event Report: BOSTON SCIENTIFIC CORPORATION TRUETOME 44; UNIT, ELECTROSURGICAL, ENDOSCOPIC (WITH OR WITHOUT ACCESSORIES)

Model Number	M00584180
Medical Device Problem Codes	Break (1069); Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	12/11/2025
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported to boston scientific corporation that a truetome 44 was used in the papilla during an endoscopic sphincterotomy (est) procedure to treat common bile duct stones performed on (b)(6) 2025.During the procedure, when energy was applied, the cutting wire broke after about five seconds.The procedure was still completed with the same original device.There were no patient complications reported as a result of this event.
Additional Manufacturer Narrative
Block a2: patient's exact age is unknown; however, it was reported that the patient was over the age of 18.Block h6: imdrf device code a0401 captures the reportable event of cutting wire break.
Additional Manufacturer Narrative
Block a2: patient's exact age is unknown; however, it was reported that the patient was over the age of 18.Block h6: imdrf device code a0401 captures the reportable event of cutting wire break.Block h11: investigation results.The returned truetome 44 was analyzed, and visual inspection that the distal section of the catheter was cut off, also, was found that the cutting wire was blackened, kinked and broken.No other problems with the device were noted.With all the available information, boston scientific concludes the reported event of cutting wire break was confirmed.The results of the analysis performed on the returned device found that the cutting wire was kinked and broken from the proximal pierce hole.It is most likely that procedural or anatomical factors encountered during the use of the device could have affected the device performance and its integrity.The break in the cutting wire could have been generated if there was contact between the device and the scope during energization or if the device exceeded the maximum of voltage during procedure.Also, energizing the device prior to performing sphincterotomy can compromise the cutting wires integrity, causing premature cutting wire fatigue.Once the cutting wire breaks, any attempt to remove the device from the scope can bend the cutting wire as observed in the product analysis.The investigation findings and all information available concludes the most probable root cause is an adverse event related to procedure.
Event or Problem Description
It was reported to boston scientific corporation that a truetome 44 was used in the papilla during an endoscopic sphincterotomy (est) procedure to treat common bile duct stones performed on (b)(6) 2025.During the procedure, when energy was applied, the cutting wire broke after about five seconds.The procedure was still completed with the same original device.There were no patient complications reported as a result of this event.

• Brand Name: TRUETOME 44
• 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: 23944298
• Report Number: 3005099803-2026-00004
• Device Sequence Number: 21522182
• Product Code: KNS
• UDI-Device Identifier: 08714729827641
• UDI-Public: (01)08714729827641(17)270308(10)36023152
• Combination Product (Y/N): N
• Initial Reporter Country: TW
• PMA/510(K) Number: K122203
• 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,Followup
• Report Date (Section B): 02/24/2026

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: M00584180
• Device Catalogue Number: M00584180
• Device Lot Number: 0036023152
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 12/11/2025
• Supplement Date Received by Manufacturer: 02/03/2026
• Initial Report FDA Received Date: 01/02/2026
• Supplement Report FDA Received Date: 02/24/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 03/08/2025
• 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 Sex: Unknown