MAUDE Adverse Event Report: BOSTON SCIENTIFIC CORPORATION WALLFLEX DUODENAL; STENT,METALLIC,EXPANDABLE,DUODENAL

Model Number	M00565020
Medical Device Problem Codes	Positioning Failure (1158); Premature Activation (1484)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	04/11/2022
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported to boston scientific corporation on april 19, 2022 that a wallflex duodenal stent was to be implanted to treat 7cm malignant stenosis during a stent placement procedure performed on (b)(6) 2022.The patient's anatomy was not tortuous prior to stent placement.During the procedure, the stent failed to deploy.The stent was removed from the patient fully covered by the delivery system and another wallflex duodenal stent was implanted to complete the procedure.After the wallflex was removed, the stent accidentally deployed outside the patient/scope.There were no patient complications as a result of this event.The patient's condition at the conclusion of the procedure was reported to be stable.
Additional Manufacturer Narrative
(b)(4).The device has not been received for analysis.Upon receipt and completion of the problem analysis of the complaint device, if there is any further relevant information from that review, a supplemental medwatch will be filed.

• Brand Name: WALLFLEX DUODENAL
• Common Device Name: STENT,METALLIC,EXPANDABLE,DUODENAL
• 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: 14400518
• Report Number: 3005099803-2022-02473
• Device Sequence Number: 5606160
• Product Code: MUM
• UDI-Device Identifier: 08714729456490
• UDI-Public: 08714729456490
• Combination Product (Y/N): N
• Initial Reporter Country: CH
• PMA/510(K) Number: K062750
• 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
• Report Date (Section B): 05/13/2022

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 Expiration Date: 05/26/2023
• Device Model Number: M00565020
• Device Catalogue Number: 6502
• Device Lot Number: 0027383479
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 04/19/2022
• Initial Report FDA Received Date: 05/13/2022
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Date Device Manufactured: 05/26/2021
• 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
• Patient Age: 42 YR
• Patient Sex: Male
• Patient Weight: 67 KG