BIOSENSE WEBSTER INC LASSOSTAR NAV CIRCULAR MAPPING CATHETER; CATHETER, ELECTRODE RECORDING, OR PROBE, ELECTRODE RECORDING
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Catalog Number D140401 |
Device Problem
Material Protrusion/Extrusion (2979)
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Patient Problem
No Clinical Signs, Symptoms or Conditions (4582)
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Event Date 01/24/2024 |
Event Type
malfunction
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Event Description
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It was reported that a patient underwent an atrial fibrillation ablation procedure with a lassostar nav circular mapping catheter and during case setup on the back table, while inserting the catheter through the hemostatic valve, there was a "weak" point where the outer casing of the catheter sheared off.There were sharp edges at the sheer point.The internal wires were exposed.The affected area was about 6 inches before the loop--there was a transition of metal material in this area.Since the catheter has a pre shaped lasso style loop, a straightening introducer was used to straighten the loop before trying insertion.The catheter was replaced and the procedure was continued.No patient consequences were reported.
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Manufacturer Narrative
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This report is being submitted pursuant to the provisions of 21 cfr, part 803.This report may be based on information which has not been investigated or verified prior to the required reporting date.This report does not reflect a conclusion by biosense webster, inc., or its employees that the report constitutes an admission that the product, biosense webster, inc.Or its employees caused or contributed to the potential event described in this report.If information is obtained that was not available for the initial report, a follow-up report will be filed as appropriate.If additional information is received regarding this event, a supplemental 3500a report will be submitted to the fda.Manufacturer's reference number: (b)(4).
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Manufacturer Narrative
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On 16-feb-2024, the bwi product analysis lab received the device for evaluation.The product investigation was subsequently completed.It was reported that a patient underwent an atrial fibrillation ablation procedure with a lassostar nav circular mapping catheter and during case setup on the back table, while inserting the catheter through the hemostatic valve, there was a "weak" point where the outer casing of the catheter sheared off.There were sharp edges at the sheer point.The internal wires were exposed.The affected area was about 6 inches before the loop--there was a transition of metal material in this area.Since the catheter has a pre shaped lasso style loop, a straightening introducer was used to straighten the loop before trying insertion.Device evaluation details: the device was returned to biosense webster (bwi) for evaluation.A visual inspection was performed following bwi procedures.Visual analysis revealed that the catheter shaft was observed broken, leaving internal components exposed.The damage observed could be caused during removal the catheter after the procedure or the manipulation of the catheter during the procedure, however, this can not be conclusively determined.A manufacturing record evaluation was performed for the finished device number lot 30991090l and no internal actions related to the complaint were found during the review.The issues reported by the customer were confirmed.It should be noted that product failure is multifactorial.As part of biosense webster's quality process, all devices are manufactured, inspected, and released to approved specifications.If additional information is received regarding this event, a supplemental 3500a report will be submitted to the fda.Manufacturer's reference number: (b)(4).
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