MAUDE Adverse Event Report: BOSTON SCIENTIFIC CORPORATION POLARIS? ULTRA; STENT, URETERAL

Model Number	M0061921240
Medical Device Problem Code	Material Deformation (2976)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	04/21/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Block h6: device code a0406 captures the reportable event of stent material deformation.
Event or Problem Description
It was reported that a polaris ultra ureteral sent was used in a retrograde intrarenal surgery (rirs) procedure.During the procedure, it was noticed that the end of the stent was different from the original shape.The procedure was completed with another same model and there were no patient complications reported.

• Brand Name: POLARIS? ULTRA
• Common Device Name: STENT, URETERAL
• Manufacturer (Section D): BOSTON SCIENTIFIC CORPORATION; 300 boston scientific way; marlborough MA 01752
• Manufacturer (Section G): BOSTON SCIENTIFIC CORPORATION; 2546 calle primera; alajuela ; CS
• Manufacturer Contact: farshad fahimi ; 4100 hamline avenue north; building c; saint paul, MN 55112
• MDR Report Key: 25260063
• Report Number: 2124215-2026-27795
• Device Sequence Number: 10512112
• Product Code: FAD
• UDI-Device Identifier: 08714729124344
• UDI-Public: (01)08714729124344(17)280205(10)35790853
• Combination Product (Y/N): N
• Initial Reporter Country: KS
• PMA/510(K) Number: K010002
• 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,Followup
• Report Date (Section B): 07/06/2026

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 Model Number: M0061921240
• Device Catalogue Number: M0061921240
• Device Lot Number: 0035790853
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 04/24/2026
• Supplement Date Received by Manufacturer: 06/08/2026
• Initial Report FDA Received Date: 05/22/2026
• Supplement Report FDA Received Date: 07/06/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 02/05/2025
• 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 Sex: Female