MAUDE Adverse Event Report: BOSTON SCIENTIFIC CORPORATION WALLFLEX COLONIC; STENT, COLONIC, METALIC, EXPANDABLE

Model Number	M00565050
Medical Device Problem Codes	Difficult or Delayed Positioning (1157); Premature Activation (1484)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	05/13/2022
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
(b)(4).The device was noted to be contaminated and will not be returned for analysis; 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 colonic stent was implanted in the colon to treat a 5cm intestinal obstruction during a stent placement procedure performed on (b)(6) 2022.The patient's anatomy was not tortuous prior to stent placement.During attempted deployment, the delivery shaft became stuck and the stent was unable to be deployed.Upon withdrawal of the delivery system, the stent deployed prematurely in an incorrect location.The stent remains implanted and another wallflex colonic stent was used to complete the procedure.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.

• Brand Name: WALLFLEX COLONIC
• Common Device Name: STENT, COLONIC, METALIC, EXPANDABLE
• 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: 14642494
• Report Number: 3005099803-2022-03068
• Device Sequence Number: 4904696
• Product Code: MQR
• UDI-Device Identifier: 08714729456520
• UDI-Public: 08714729456520
• Combination Product (Y/N): N
• Initial Reporter Country: CH
• PMA/510(K) Number: K061877
• 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): 06/09/2022

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: 05/21/2023
• Device Model Number: M00565050
• Device Catalogue Number: 6505
• Device Lot Number: 0027355119
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 05/16/2022
• Initial Report FDA Received Date: 06/09/2022
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Date Device Manufactured: 05/21/2021
• 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: 58 YR
• Patient Sex: Male
• Patient Weight: 66 KG