The review of the device history records, performed by our quality assurance supervisor, indicated that the graft was processed and inspected according to established procedures and was therefore released following acceptable quality inspections and tests.Specifically, no anomaly was evidenced in the collagen coating records.One retention sample coated on the same period and under the same conditions as the complaint device underwent water permeability testing at 120mmhg as per iso 7198.The test result indicated a value well within product specifications.No conclusion can be drawn.However, all available information and the product testing performed would tend to indicate that the device was not defective.
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During a tiron-david vascular surgery performed for aortic dissection, suture hole bleeding started after declamping the aorta.The staff tried to stop the bleeding, and after the patient was transferred in intensive care unit.It was reported that the patient died in icu due to hemorrhage.The graft remained implanted.No information regarding the dates of implantation and patient death is available at the date of this report.
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