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(b)(4).The review performed by our quality assurance supervisor indicated that the graft was processed and inspected according to procedures and was therefore released following acceptable quality inspections and tests.Specifically, no anomaly was evidenced in the collagen coating records.The review of the water permeability testing records of products coated on the same day as the complaint device indicated values well within product specifications.Please note that water permeability testing is recognized by international standard for vascular grafts as the test to address the risk of blood leakage.(b)(4).A retention sample coated on the same day and under the same conditions as the involved device underwent water permeability testing.The testing was supervised by our quality assurance supervisor.The test result indicated a value well within product specifications (< 5 ml/cm²/min).(b)(4).No conclusion can be drawn.However, all available information and testing performed would tend to indicate that the product was not defective.(b)(4).Please note that, as per the product instructions for use, the use of knitted vascular graft as a conduit for cannulation is not an approved indication.Indeed, hemashield gold knitted graft is indicated for use in the replacement or repair of arteries affected with aneurysmal or occlusive disease.
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