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

Model Number	M0061552230
Medical Device Problem Code	Break (1069)
Health Effect - Clinical Code	No Consequences Or Impact To Patient (2199)
Date of Event	06/10/2020
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
(b)(6).(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 mdr will be filed.
Event or Problem Description
It was reported to boston scientific corporation that a ureteral polaris loop stent was going to be used for ureteral stent implantation procedure in the kidney performed on (b)(6) 2020.According to the complainant, outside the patient, during the introduction of the device, when the physician inserted the guidewire onto the stent, the stent was fractured.The procedure was successfully completed with another ureteral polaris loop stent.There were no patient complications reported as a result of this event.The patient's condition at the conclusion of the procedure was reported to be stable.
Additional Manufacturer Narrative
Block e1: initial reporter state: (b)(6) block h6: device code 1069 captures the reportable event of stent shaft break.Block h10: the returned polaris loop ureteral stent was analyzed, and a visual evaluation noted that the proximal section (bladder pigtail) detached.The suture string was not returned for analysis.No other issues with the device were noted.The reported event was not confirmed.Based on the product analysis, the stent returned without the suture string, evidence that the stent was manipulated.Therefore, the failure found (bladder pigtail detached) is an issue that could have been generated by the user or due to the interacting of the device with the suture string.Therefore, adverse event related to procedure is selected as the most probable root cause for the complaint.A review of the manufacturing documentation for this device revealed that no anomalies or deviations related to the event occurred during manufacturing.
Event or Problem Description
It was reported to boston scientific corporation that a ureteral polaris loop stent was going to be used for ureteral stent implantation procedure in the kidney performed on (b)(6) 2020.According to the complainant, outside the patient, during the introduction of the device, when the physician inserted the guidewire onto the stent, the stent was fractured.The procedure was successfully completed with another ureteral polaris loop stent.There were no patient complications reported as a result of this event.The patient's condition at the conclusion of the procedure was reported to be stable.

• Brand Name: POLARIS LOOP
• Common Device Name: STENT, URETERAL
• Manufacturer (Section D): BOSTON SCIENTIFIC CORPORATION; 300 boston scientific way; marlborough MA 01752
• MDR Report Key: 10234259
• Report Number: 3005099803-2020-02598
• Device Sequence Number: 3143122
• Product Code: FAD
• UDI-Device Identifier: 08714729421030
• UDI-Public: 08714729421030
• Combination Product (Y/N): N
• Initial Reporter Country: CH
• PMA/510(K) Number: K030503
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: company representative,foreig
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 07/30/2020

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 Expiration Date: 08/19/2022
• Device Model Number: M0061552230
• Device Catalogue Number: 155-223
• Device Lot Number: 0024295633
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 07/01/2020
• Initial Date Received by Manufacturer: 06/12/2020
• Supplement Date Received by Manufacturer: 07/09/2020
• Initial Report FDA Received Date: 07/06/2020
• Supplement Report FDA Received Date: 07/30/2020
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Patient Age: 52 YR
• Patient Weight: 70