Model Number M0061552210 |
Device Problem
Material Deformation (2976)
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Patient Problem
No Consequences Or Impact To Patient (2199)
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Event Date 02/18/2016 |
Event Type
malfunction
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Manufacturer Narrative
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(b)(4).Exact patient age unknown, but reported to be over 18 years of age.Reported event of "stent would not curl." although the suspect device has been received, the evaluation has not been completed.Therefore, the cause of the reported malfunction has not been determined.Upon 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.
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Event Description
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It was reported to boston scientific corporation that a polaris¿ loop ureteral stent was used during a left flexible ureteroscopy procedure performed in the kidney of a patient on (b)(6) 2016.According to the complainant, during the procedure, the stent did not coil in the kidney despite several attempts.The device was pulled out and the procedure was completed with a different device.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.
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Manufacturer Narrative
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A visual analysis found no anomalies or damage to the device.Dimensional inspection of the stent's working length was performed and found that it is within specification.During functional analysis, a 0.038 mandrel was inserted and it passed properly without resistance; both coils formed without any problem when the guidewire was removed.The complaint that the stent did not curl was not confirmed.The device showed no evidence of either the alleged issue or any defect which could have contributed to the event.A review of the device history record (dhr) confirmed that the device met all material, assembly, and product specifications.A search of the complaint database revealed that no similar complaints exist for the specified lot.
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Event Description
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It was reported to boston scientific corporation that a polaris¿ loop ureteral stent was used during a left flexible ureteroscopy procedure performed in the kidney of a patient on (b)(6) 2016.According to the complainant, during the procedure, the stent did not coil in the kidney despite several attempts.The device was pulled out and the procedure was completed with a different device.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.
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Search Alerts/Recalls
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