MAUDE Adverse Event Report: BOSTON SCIENTIFIC CORPORATION WALLFLEX ESOPHAGEAL; PROSTHESIS, ESOPHAGEAL

Model Number	M00516730
Medical Device Problem Code	Positioning Problem (3009)
Health Effect - Clinical Code	No Code Available (3191)
Date of Event	07/02/2020
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
(b)(4).The complainant indicated that the device remains implanted 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) 2020 that a wallflex esophageal fully covered stent was implanted in the esophagus to treat a 6 cm malignant stricture due to esophageal cancer during an esophagogastroduodenoscopy (egd) procedure performed on (b)(6) 2020.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 deployed and moved into the stomach.Reportedly, the stent was unable to be removed.Another wallflex esophageal stent was implanted to complete the procedure.The patient will be scheduled for stent removal of the mispositioned stent; however, due to covid-19, the exact date is unknown.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 stable.

• Brand Name: WALLFLEX ESOPHAGEAL
• Common Device Name: PROSTHESIS, ESOPHAGEAL
• Manufacturer (Section D): BOSTON SCIENTIFIC CORPORATION; 300 boston scientific way; marlborough MA 01752
• MDR Report Key: 10317080
• Report Number: 3005099803-2020-02898
• Device Sequence Number: 13656087
• Product Code: ESW
• UDI-Device Identifier: 08714729778066
• UDI-Public: 08714729778066
• Combination Product (Y/N): N
• Initial Reporter State: CA
• Initial Reporter Country: US
• PMA/510(K) Number: K091510
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2020
• Reporter Type: Manufacturer
• Report Source: company representative,health
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 07/23/2020

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: 02/12/2021
• Device Model Number: M00516730
• Device Catalogue Number: 1673
• Device Lot Number: 0024270108
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 07/02/2020
• Initial Report FDA Received Date: 07/23/2020
• 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