MAUDE Adverse Event Report: BOSTON SCIENTIFIC CORPORATION WALLFLEX BILIARY PLUS RX STENT SYSTEM; STENTS, DRAINS AND DILATORS FOR THE BILIARY DUCTS

Model Number	M00547550
Medical Device Problem Codes	Use of Device Problem (1670); Migration (4003)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	11/01/2025
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported to boston scientific corporation that a wallflex biliary plus rx stent system covered stent was implanted in the bile duct to treat liver transplant stricture during a procedure performed on an unknown date.The patient, who had a liver transplant, presented for follow-up due to distal migration of the stent out of the duct, which was confirmed under endoscopic retrograde cholangiopancreatography (ercp) with fluoroscopy.Follow up procedure was completed by implanting a plastic stent.There were no patient complications reported as a result of this event.Note: the wallflex biliary plus rx stent system was implanted to treat liver transplant strictures.However, per the wallflex biliary plus rx stent system directions for use (dfu), the stent indicated for use in the palliative treatment of biliary strictures produced by malignant neoplasms, relief of malignant biliary obstruction prior to surgery and for treatment of benign biliary strictures.The device is not intended to treat liver transplant strictures.
Additional Manufacturer Narrative
Block b3: approximated based on the date the manufacturer became aware of the event, as no event date was reported.Block d4, h4: the complainant was unable to provide the suspect device lot number; therefore, the lot expiration and device manufacture dates are unknown.Block h6: imdrf device code a0104002 captures the reportable event of stent migration.Imdrf impact code f2301 captures the reportable event of additional device required.Imdrf impact code f2202 captures the reportable event of endoscopic procedure.Imdrf impact code f2203 captures the reportable event of imaging required.

• Brand Name: WALLFLEX BILIARY PLUS RX STENT SYSTEM
• Common Device Name: STENTS, DRAINS AND DILATORS FOR THE BILIARY DUCTS
• Manufacturer (Section D): BOSTON SCIENTIFIC CORPORATION; 300 boston scientific way; marlborough MA 01752
• Manufacturer (Section G): BOSTON SCIENTIFIC CORPORATION; ballybrit business park; galway ; EI
• Manufacturer Contact: christina lam ; 300 boston scientific way; marlborough, MA 01752 ; 9145716918
• MDR Report Key: 23760503
• Report Number: 3005099803-2025-06379
• Device Sequence Number: 10075788
• Product Code: FGE
• UDI-Device Identifier: 00191506044497
• UDI-Public: (01)00191506044497
• Combination Product (Y/N): N
• Initial Reporter State: OH
• Initial Reporter Country: US
• PMA/510(K) Number: K242950
• 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): 12/09/2025

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?: Yes
• Operator of Device: Health Professional
• Device Model Number: M00547550
• Device Catalogue Number: M00547550
• 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: 11/14/2025
• Initial Report FDA Received Date: 12/09/2025
• 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
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Sex: Unknown