|
Device evaluation summary: delivery system returned for evaluation.The stent was not present on the balloon and did not return for analysis.The balloon folds remained intact.Crimp impressions were visible on the exposed balloon surface.The inner lumen patency was verified with a 0.015 inch mandrel.No other damage was noted to the remainder of the delivery system.Correction: the obtuse marginal 2 had an acute thrombotic occlusion which was ballooned.The obtuse marginal 1 had a previous stent.Two stents were used.The first stent was not able to pass the lesion after two attempts and therefore was not deployed.The second stent ronyx25026ux eventually came off the balloon.The device did not pass through the previously deployed stent.Resistance was noted when advancing the device in the lesion and excessive force was not used.The stent initially dislodged in the left main/left circumflex.The stent came off the balloon after two attempts of withdrawing the device.No resistance was noted during withdrawal of the device until the very end where balloon slipped off.Another balloon was used to crush the device.Patient age, weight, relevant history added.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.
|