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Proproduct analysis: the evercross balloon was returned to medtronic for analysis inside a previously opened evercross box.No ancillary devices were included.The device was inspected, and it was found the balloon appeared to have been previously inflated.Dried crystalized residue consistent with dried contrast solution was identified within the balloon.No external damage to the evercross was observed.A 0.035" gw from the lab was attempted to be front loaded; however, an obstruction was encountered.Likely contrast or biologic within the guidewire (gw) lumen post procedure.A 10ml syringe filled with water was connected to the gw port and attempted to flush.It was observed water was entering the balloon.Under microscope a tear to the blue catheter shaft was identified between the distal marker band and the distal end of the balloon 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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