Physician was attempting to use the hawkone atherectomy device during procedure to treat moderately calcified lesion in the distal mid left superficial femoral artery (sfa).The vessel had little tortuosity and exhibited 90% stenosis.The artery diameter was 6mm.A non-medtronic 6fr sheath and a non-medtronic 0.014 guidewire were used.Ifu was followed.It was reported that tip detachment occurred.No resistance was felt.The tip detached at the hinge pin.Guidewire prolapse caused tip damage.The detachment occurred at cutter window.The tip of the hawkone device completely detached from the catheter.The distal end of the hawkone device had to be removed by using a non-medtronic snare and 8fr sheath.After removal, no vessel damage was seen, and procedure was completed with a dcb.The vessel was post dilated.No patient injury.
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Image analysis :the customer returned four images.The images show the detached tip stuck on the guidewire along with the snare and the catheters.Product analysis:detached tip returned stuck on a non-medtronic guidewire and catheter coiled inside two biohazard bags along with n on-medtronic snare and catheter,.The rest of the device was not returned.Device was decontaminated with cidex opa solution soak and tergazyme soak.A visual inspection showed that the tip detached at the proximal end of the housing and not at the hinge pins as reported.Medtronic is submitting this report to comply with fda reporting regulations under 21 cfr parts 4 and 803.This report is based upon information obtained by medtronic, which the company may not have been able to fully investigate or verify prior to the date the report was required by the fda.Medtronic has made reasonable efforts to obtain more complete information and has provided as much relevant information as is available to the company as of the submission date of this report.This report does not constitute an admission or a conclusion by fda, medtronic, or its employees that the device, medtronic, or its employee caused or contributed to the event described in the report.In particular, this report does not constitute an admission by anyone that the product described in this report has any ¿defects¿ or has ¿malfunctioned¿.These words are included in the fda 3500a form and are fixed items for selection created by the fda to categorize the type of event solely for the purpose of regulatory reporting.Medtronic objects to the use of these words and others like them because of the lack of definition and the connotations implied by these terms.This statement should be included with any information or report disclosed to the public under the freedom of information act.Any required fields that are unpopulated are blank because the information is currently unknown or unavailable.A good faith effort will be made to obtain the applicable information relevant to the report.If information is provided in the future, a supplemental report will be issued.
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