Product event summary: the 4fc12 sheath with lot number 0010732464 was returned an analyzed.Visual inspection prior to disassembly and functional testing was performed on the shaft, handle, and dilator.No observations were identified during the external visual inspection.Functional testing was performed and no anomaly was discovered.Performance test with sentinel blackbelt leak tester was performed.The pressure test with 30 psig showed the pressure decay in the device was 0.020 psig.The flushing test with 6 psig showed the pressure decay in the device was 0.005 psig.The aspiration test with negative pressure of 4.1 psig showed the pressure decay in the device was 0.006 psig.All the performance tests were in acceptable range.The shaft, side tube and valve are leak-tight with no apparent issue.In conclusion, the reported "air ingress during aspiration" issue was not observed or reproduced.The sheath passed performance testing per specification.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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