MAUDE Adverse Event Report: BOSTON SCIENTIFIC CORPORATION WALLFLEX COLONIC SOFT STENT SYSTEM WITH ANCHOR LOCK DELIVERY SYSTEM; STENT, COLONIC, METALIC, EXPANDABLE

Device Problem Premature Activation (1484)

Patient Problem No Clinical Signs, Symptoms or Conditions (4582)

Event Date 03/03/2022

Event Type  malfunction  

Event Description

Note: this report pertains to one of two devices used during the same procedure.Refer to manufacturer report# 3005099803-2022-01524 for the associated device information.It was reported to boston scientific corporation on march 03, 2022 that a wallflex colonic stent was to be implanted in the transverse colon at the hepatic flexure as a bridge to surgery during a colonoscopy procedure performed on (b)(6) 2022.The patient's anatomy was tortuous and the patient was suspected with colon cancer.During the procedure, resistance was felt on the stainless steel handle of the device and the stent was unable to deploy (the subject mfr.# 3005099803-2022-01524).While continuing to attempt to deploy the stent, the stainless steel handle bent.The stent was partially deployed when it was removed from the patient.A 90mm wallflex colonic stent (the subject of this report) was attempted to be implanted; however, the stent fully deployed but remained partially inside the scope.The stent was removed together with the scope and the procedure was not completed as another stent of the same size was unavailable.There were no patient complications reported as a result of this event.

Manufacturer Narrative

The complainant was unable to provide the suspect device lot number; therefore, the lot expiration and device manufacture dates are unknown.Medical device problem code: (b)(4).The device has not been received for analysis.Upon receipt and completion of the failure analysis of the complaint device, if there is any further relevant information from that review, a supplemental medwatch will be filed.

• Brand Name: WALLFLEX COLONIC SOFT STENT SYSTEM WITH ANCHOR LOCK DELIVERY SYSTEM
• Type of Device: 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: 13934387
• MDR Text Key: 288297082
• Report Number: 3005099803-2022-01697
• Device Sequence Number: 1
• Product Code: MQR
• Combination Product (y/n): N
• Reporter Country Code: US
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: Health Professional,Company Representative
• Reporter Occupation: Physician
• Type of Report: Initial
• Report Date: 03/28/2022

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
• Device Operator: Health Professional
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Initial Date Manufacturer Received: 03/03/2022
• Initial Date FDA Received: 03/28/2022
• Was Device Evaluated by Manufacturer?: Device Not Returned to Manufacturer
• Is the Device Single Use?: Yes
• Is This a Reprocessed and Reused Single-Use Device?: No
• Type of Device Usage: Initial
• Patient Sequence Number: 1