MAUDE Adverse Event Report: BOSTON SCIENTIFIC CORPORATION WALLFLEX BILIARY; BILIARY STENT SYSTEM FOR BENIGN STRICTURES

Model Number	M00570380
Medical Device Problem Codes	Difficult or Delayed Positioning (1157); Failure to Advance (2524); Positioning Problem (3009)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	03/04/2022
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
(b)(4).The complainant indicated that the device was disposed and will not be returned for evaluation; therefore, a problem analysis of the complaint device could not be completed.If any further relevant information is identified, a supplemental medwatch will be filed.
Event or Problem Description
It was reported to boston scientific corporation on (b)(6) 2022 that a wallflex biliary rx fully covered rmv stent was to be implanted to treat a 4mm malignant biliary stricture during an endoscopic retrograde cholangiopancreatography (ercp) with stent placement procedure performed on (b)(6) 2022.The patient's anatomy was not tortuous and was not dilated prior to stent placement procedure.During the procedure, there was difficulty crossing the delivery system through the stricture.Furthermore, the stent was difficult to deploy and a high amount of force was applied to deploy the stent.The stent was deployed in an incorrect location and was removed from the patient with rat-tooth forceps.Another wallflex biliary stent was implanted to complete the procedure.There were no patient complications reported as a result of this event.

• Brand Name: WALLFLEX BILIARY
• Common Device Name: BILIARY STENT SYSTEM FOR BENIGN STRICTURES
• 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: carole morley ; 300 boston scientific way; marlborough, MA 01752 ; 5086834015
• MDR Report Key: 13929174
• Report Number: 3005099803-2022-01542
• Device Sequence Number: 17724075
• Product Code: PNB
• UDI-Device Identifier: 08714729953197
• UDI-Public: 08714729953197
• Combination Product (Y/N): N
• Initial Reporter State: WA
• Initial Reporter Country: US
• PMA/510(K) Number: DEN150040
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 03/28/2022

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 Expiration Date: 06/18/2023
• Device Model Number: M00570380
• Device Catalogue Number: 7038
• Device Lot Number: 0027521711
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 03/04/2022
• Initial Report FDA Received Date: 03/28/2022
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Date Device Manufactured: 06/18/2021
• 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: Female