FDA Adverse Event Injury Summary report: N

WALLFLEX COLONIC

MDR report key: 20965852 · Received December 18, 2024

Report

Report Number
3005099803-2024-06357
Event Type
Injury
Date Received
December 18, 2024
Date of Event
November 4, 2024
Report Date
March 14, 2025
Manufacturer
BOSTON SCIENTIFIC CORPORATION
Product Code
MQR
UDI-DI
08714729456575
PMA / PMN Number
K061877
Adverse Event
Yes
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
SZ
Reporter Occupation
PHYSICIAN
Health Professional
Yes

Narratives

Additional Manufacturer Narrative · 0

BLOCKS G4 (PREMARKET/510(K) AND H11 HAVE BEEN CORRECTED. BLOCK G4: PREMARKET/510(K): K201159; REPORTED HERE AS THIS EXCEEDED CHARACTER LIMIT FOR THE DESIGNATED FIELD. BLOCK H6: IMDRF DEVICE CODE A0401 CAPTURES THE REPORTABLE EVENT OF STENT BREAK. IMDRF DEVICE CODE A0406 CAPTURES THE REPORTABLE EVENT OF STENT MATERIAL DEFORMATION. BLOCK H11: A WALLFLEX ENTERAL STENT WAS RECEIVED FOR ANALYSIS; THE DELIVERY SYSTEM WAS NOT RETURNED. VISUAL INSPECTION WAS PERFORMED, AND THE STENT WAS FOUND UNRAVELED AND DEFORMED. ADDITIONALLY, MEDIA INSPECTION WAS PERFORMED ON A PHOTO PROVIDED BY THE COMPLAINANT, AND IT WAS OBSERVED AGAIN THAT THE STENT WAS UNRAVELED. NO OTHER DAMAGES WERE NOTED ON THE DEVICE. PRODUCT ANALYSIS CONFIRMED THE REPORTED EVENTS OF STENT BREAK AND STENT MATERIAL DEFORMATION. THE INVESTIGATION CONCLUDED THAT THE REPORTED EVENTS WERE MOST LIKELY DUE TO PROCEDURAL FACTORS ENCOUNTERED DURING THE PROCEDURE. IT MAY BE THAT LESION CHARACTERISTICS, HANDLING OF THE DEVICE AND THE TECHNIQUE USED BY THE PHYSICIAN (FORCE APPLIED), LIMITED THE PERFORMANCE OF THE DEVICE AND CONTRIBUTED TO THE REPORTED EVENTS. TAKING ALL AVAILABLE INFORMATION INTO CONSIDERATION, THE MOST PROBABLE CAUSE OF THE REPORTED EVENTS IS ADVERSE EVENT RELATED TO PROCEDURE. A LABELING REVIEW WAS PERFORMED AND, FROM THE INFORMATION AVAILABLE, THERE IS NO INFORMATION THAT THIS DEVICE WAS USED IN A MANNER INCONSISTENT WITH THE INSTRUCTIONS FOR USE (IFU) / PRODUCT LABEL.

Additional Manufacturer Narrative · 0

BLOCK G4: PREMARKET/510(K): K061877, K201159; REPORTED HERE AS THIS EXCEEDED CHARACTER LIMIT FOR THE DESIGNATED FIELD. BLOCK H6: IMDRF DEVICE CODE A0401 CAPTURES THE REPORTABLE EVENT OF STENT BREAK. IMDRF DEVICE CODE A0406 CAPTURES THE REPORTABLE EVENT OF STENT MATERIAL DEFORMATION.

Description of Event or Problem · 0

IT WAS REPORTED TO BOSTON SCIENTIFIC CORPORATION THAT A WALLFLEX ENTERAL COLONIC STENT WAS TO BE IMPLANTED IN THE COLON TO TREAT A STRICTURE DUE TO CANCER DURING A COLONOSCOPY PROCEDURE PERFORMED ON (B)(6) 2024. THE PATIENT'S ANATOMY WAS TORTUOUS. DURING THE PROCEDURE, THE STENT WAS ATTEMPTED TO BE DEPLOYED; HOWEVER, DURING DEPLOYMENT, THE WIRES OF THE STENT BROKE, AND THE STENT LOST ITS FORM. THE STENT WAS REMOVED USING FORCEPS. THE PROCEDURE WAS COMPLETED USING A DIFFERENT STENT. THERE WAS NO PATIENT COMPLICATIONS REPORTED AS A RESULT OF THIS EVENT. THE PATIENT'S CONDITION AFTER THE PROCEDURE WAS REPORTED TO BE FINE. A PHOTO OF THE COMPLAINT DEVICE WAS PROVIDED, AND THE STENT WAS NOTED TO BE DEFORMED, AND THE WIRES WERE BROKEN.

Description of Event or Problem · 0

IT WAS REPORTED TO BOSTON SCIENTIFIC CORPORATION THAT A WALLFLEX ENTERAL COLONIC STENT WAS TO BE IMPLANTED IN THE COLON TO TREAT A STRICTURE DUE TO CANCER DURING A COLONOSCOPY PROCEDURE PERFORMED ON (B)(6) 2024. THE PATIENT'S ANATOMY WAS TORTUOUS. DURING THE PROCEDURE, THE STENT WAS ATTEMPTED TO BE DEPLOYED; HOWEVER, DURING DEPLOYMENT, THE WIRES OF THE STENT BROKE, AND THE STENT LOST ITS FORM. THE STENT WAS REMOVED USING FORCEPS. THE PROCEDURE WAS COMPLETED USING A DIFFERENT STENT. THERE WAS NO PATIENT COMPLICATIONS REPORTED AS A RESULT OF THIS EVENT. THE PATIENT'S CONDITION AFTER THE PROCEDURE WAS REPORTED TO BE FINE. A PHOTO OF THE COMPLAINT DEVICE WAS PROVIDED, AND THE STENT WAS NOTED TO BE DEFORMED, AND THE WIRES WERE BROKEN.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
2114612 WALLFLEX COLONIC STENT, COLONIC, METALIC, EXPANDABLE MQR BOSTON SCIENTIFIC CORPORATION M00565100 0034534640 08714729456575

Patients

Seq Age Sex Outcome Treatment
1 NA Unknown Required Intervention