inforMED
MalfunctionFAD

POLARIS? LOOP

Received May 26, 2026 · Event occurred Apr 27, 2026

Report 2124215-2026-28308 · MDR key 25294444

Device

Generic name

Stent, Ureteral

Model number

M006155223090

Catalog number

M006155223090

Lot number

0038558591

Product problems

  • Deformation Due to Compressive Stress

Patient

NA · Unknown

  • No Clinical Signs, Symptoms or Conditions

Narrative

Additional Manufacturer Narrative

BLOCK D4, H4: THE COMPLAINANT WAS UNABLE TO PROVIDE THE SUSPECT DEVICE LOT NUMBER; THEREFORE, THE LOT EXPIRATION AND DEVICE MANUFACTURE DATES ARE UNKNOWN. DETAILED PRODUCT INFORMATION WAS NOT PROVIDED TO BSC. WE COMPLETED A GOOD FAITH EFFORT TO OBTAIN THE INFORMATION. BECAUSE THE PRODUCT IS UNKNOWN AT THIS TIME, WE ARE UNABLE TO PROVIDE THE COMPLETE UDI AND OTHER PRODUCT SPECIFIC INFORMATION. IF ADDITIONAL DETAILS BECOME AVAILABLE, A SUPPLEMENTAL REPORT WILL BE SUBMITTED. BLOCK H6: DEVICE CODE A040601 CAPTURES THE REPORTABLE EVENT OF STENT BUCKLED MATERIAL INSIDE THE PATIENT.

Description of Event or Problem

IT WAS REPORTED THAT A POLARIS LOOP URETERAL STENT WAS USED IN A PROCEDURE. DURING THE PROCEDURE AND INSIDE THE PATIENT, IT WAS NOTICED THAT THE DISTAL LOOP OF THE STENT WAS BUCKLED. THE PROCEDURE WAS COMPLETED WITH ANOTHER OF THE SAME DEVICE AND THERE WERE NO PATIENT COMPLICATIONS REPORTED.