Upon receipt at medtronic's quality laboratory, the device was received in a jar in clear solution.There were white and green monofilament sutures that were sutured around the entire sewing cloth.There were no damaged noted on the leaflets or the aortic wall.The leaflet thickness was deemed acceptable.The leaflets flexed with no issues observed.A dunk test was performed and showed that all leaflets coapted as intended.Conclusion: a review of the device history record (dhr) was performed for this valve; there were no correlations / issues identified regarding manufacturing.The device was manufactured per approved and released manufacturing processes and the device met all applicable manufacturing specifications prior to release for distribution.Based on the information received and the returned device, the testing provided objective evidence that the device will close under low pressure.The valve was deemed acceptable and the reported observation could not be confirmed.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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