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

Model Number	M00570350
Medical Device Problem Codes	Difficult to Remove (1528); Positioning Problem (3009)
Health Effect - Clinical Code	No Consequences Or Impact To Patient (2199)
Date of Event	10/07/2019
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 failure 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) 2019 that a wallflex biliary rx fully covered rmv stent was to be used to treat a 1-2cm malignant stricture in the common bile duct during an endoscopic retrograde cholangiopancreatography (ercp) with stent placement procedure performed on (b)(6) 2019.Reportedly, the patient's anatomy was not tortuous and was not dilated prior to stent placement.According to the complainant, during the procedure, the stent was able to be deployed.However, during removal of the delivery system, the tip of the catheter got hook on the top of the stent, and the stent was accidentally pulled out from its position.Reportedly, the stent was removed with a rat tooth graspers and another wallflex biliary stent was placed to complete the procedure.There were no patient complications reported as a result of this event.The patient's condition at the conclusion of the procedure was reported to be fine.

• 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
• MDR Report Key: 9215976
• Report Number: 3005099803-2019-05147
• Device Sequence Number: 16765107
• Product Code: PNB
• UDI-Device Identifier: 08714729953166
• UDI-Public: 08714729953166
• Combination Product (Y/N): N
• Initial Reporter State: NY
• Initial Reporter Country: US
• PMA/510(K) Number: DEN150040
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: company representative,health
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 10/21/2019

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: 06/13/2020
• Device Model Number: M00570350
• Device Catalogue Number: 7035
• Device Lot Number: 0022254176
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 10/07/2019
• Initial Report FDA Received Date: 10/21/2019
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Required Intervention