FDA Adverse Event Malfunction Summary report: N

CONTOUR VL

MDR report key: 23753753 · Received December 9, 2025

Report

Report Number
2124215-2025-89766
Event Type
Malfunction
Date Received
December 9, 2025
Date of Event
November 12, 2025
Report Date
January 30, 2026
Manufacturer
BOSTON SCIENTIFIC CORPORATION
Product Code
FAD
UDI-DI
08714729067993
PMA / PMN Number
K974541
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
TH
Reporter Occupation
PHYSICIAN
Health Professional
Yes

Narratives

Additional Manufacturer Narrative · 0

BLOCK H6: DEVICE CODE A040601 CAPTURES THE REPORTABLE EVENT OF STENT BUCKLED MATERIAL INSIDE THE PATIENT. BLOCK D6A HAS BEEN CORRECTED. BLOCK H11: INVESTIGATION ANALYSIS. UPON RECEIPT AT OUR QUALITY ASSURANCE LABORATORY, THIS CONTOUR URETERAL STENT UNDERWENT A THOROUGH ANALYSIS. VISUAL ANALYSIS DID NOT IDENTIFY ANY DAMAGES TO THE RETURNED DEVICE. FUNCTIONAL EVALUATION REVEALED THAT A MANDREL OF 0.039 WAS INSERTED INTO THE STENT TO EVALUATE IF SOME RESISTANCE IS FELT INSIDE THE DEVICE, HOWEVER, NO RESISTANCE WAS FELT DURING THE ANALYSIS PERFORMED AND THE MANDREL WAS ABLE TO FULLY PASS THROUGH THE STENT. A REVIEW OF THE DEVICE HISTORY RECORD (DHR) INDICATED THAT THE DEVICE MET ALL MATERIAL, ASSEMBLY, AND PRODUCT SPECIFICATIONS AT THE TIME OF RELEASE TO DISTRIBUTION. BASED ON THE INFORMATION AVAILABLE AND ANALYSIS RESULTS, THE REPORTED ALLEGATION OF STENT BUCKLED MATERIAL AND STENT/DELIVERY SYSTEM DIFFICULT TO ADVANCE WAS NOT CONFIRMED. A CONCLUSION CODE OF NO PROBLEM DETECTED WAS ASSIGNED TO THIS INVESTIGATION.

Additional Manufacturer Narrative · 0

BLOCK H6: DEVICE CODE A040601 CAPTURES THE REPORTABLE EVENT OF STENT BUCKLED MATERIAL INSIDE THE PATIENT. BLOCK E1 INITIAL REPORTER EMAIL, HAS BEEN UPDATED BASED ON THE ADDITIONAL INFORMATION PROVIDED ON DECEMBER 08, 2025.

Additional Manufacturer Narrative · 0

BLOCK H6: DEVICE CODE A040601 CAPTURES THE REPORTABLE EVENT OF STENT BUCKLED MATERIAL INSIDE THE PATIENT.

Description of Event or Problem · 0

IT WAS REPORTED THAT A CONTOUR URETERAL STENT WAS USED IN A URETEROSCOPIC LITHOTRIPSY PROCEDURE IN THE URETER. DURING INSERTION, WHEN THE STENT WAS INSERTED THROUGH THE WIRE AND POSITIONER, IT WAS NOTICED THAT THE STENT WAS WRINKLED. THE PROCEDURE WAS COMPLETED WITH ANOTHER OF THE SAME DEVICE AND THERE WERE NO PATIENT COMPLICATIONS REPORTED.

Description of Event or Problem · 0

IT WAS REPORTED THAT A CONTOUR URETERAL STENT WAS USED IN A URETEROSCOPIC LITHOTRIPSY PROCEDURE IN THE URETER. DURING INSERTION, WHEN THE STENT WAS INSERTED THROUGH THE WIRE AND POSITIONER, IT WAS NOTICED THAT THE STENT WAS WRINKLED. THE PROCEDURE WAS COMPLETED WITH ANOTHER OF THE SAME DEVICE AND THERE WERE NO PATIENT COMPLICATIONS REPORTED.

Description of Event or Problem · 0

IT WAS REPORTED THAT A CONTOUR URETERAL STENT WAS USED IN A URETEROSCOPIC LITHOTRIPSY PROCEDURE IN THE URETER. DURING INSERTION, WHEN THE STENT WAS INSERTED THROUGH THE WIRE AND POSITIONER, IT WAS NOTICED THAT THE STENT WAS WRINKLED. THE PROCEDURE WAS COMPLETED WITH ANOTHER OF THE SAME DEVICE AND THERE WERE NO PATIENT COMPLICATIONS REPORTED.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
440137 CONTOUR VL STENT, URETERAL FAD BOSTON SCIENTIFIC CORPORATION M006180156010 0033516912 08714729067993

Patients

Seq Age Sex Outcome Treatment
1 NA Male