A physician was attempting to use a hawkone directional atherectomy device along with non-medtronic 6fr sheath and guidewire during procedure to treat a little calcified plaque lesion in the right superficial femoral artery (sfa) and tibial/popliteal trunk (tpt) with 80% stenosis.The vessel was little tortuous.The vessel diameter and lesion length are 6mm - 4mm and 30mm respectively.The vessel was not pre dilated but post dilated.Ifu was followed.No embolic protection was used.It was reported that the device passed through common femoral lesion.Completed six passes and it was removed and cleaned with no issue.The device was then inserted with no issue and passed through tpt, with two passes.When removed, it was noted that the tip had detached.The tip is attached but separated.No issue was reported during cleaning the 1st time.The issue was reported on removal the 2nd time.As they identified the issue on removal so no cleaning attempted after this removal.No thumb switch issues were reported.There were no issues with the removal or advancement noted.The procedure was completed with balloon angioplasty.There was no patient injury reported.
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Product analysis.A visual inspection showed that the tip detached at proximal end of the housing.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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