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(4114) the involved device was not returned despite requests from manufacturer.(4112/4248) the case and its investigation have been reviewed by the medical affairs department who concluded that: "as stated in the ifu: use of hemashield woven vascular grafts for extracorporeal circulation are contraindicated.No information was provided regarding the patient's history, the procedure, or the current status of the patient.The internal investigation of the event included a review of historical data that did not show any previous complaints, device history that did not present with any nonconformance, visual inspection and water permeability testing of the retention sample with similar parameters to the graft in question, that was found to be within specifications.Due to the lack of the device for analysis, as well as the lack of any information regarding the procedure or the patient, no conclusion can be made regarding the cause of bleeding being presented.Use of hemashield woven grafts for extracorporeal circulation is contraindicated as it can present bleeding.If additional information becomes available, this medical assessment will be updated accordingly.(24) based on the investigation and the medical assessment, no conclusion can be drawn on the cause of the reported event due to the lack of information regarding the procedure and the patient, as well as the lack of the device for analysis.However, the investigation findings indicates that the device was not defective at the time of manufacturing.Furthermore, the use of hemashield woven grafts for extracorporeal circulation is contraindicated as it can present bleeding.As per product ifu, hemashield platinum woven double velour vascular grafts are intended for use in the replacement or repair of the thoracic aorta, abdominal aorta and peripheral arteries, when open surgical operation is required.Contraindications section indicates that, hemashield platinum woven double velour vascular grafts are not intended for use as perfusion branch during extracorporeal circulation, as this may lead to bleeding.
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