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Erschienen in:
2020 | OriginalPaper | Buchkapitel
Invasive Medical Device for Cardiovascular Surgery
verfasst von : Alexandra Ene, Carmen Mihai
Erschienen in: Advances in Human Factors and Ergonomics in Healthcare and Medical Devices
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Abstract
The identification of the biological requirements of the most complicated mechanism as the human body, correlated with the possibilities of the current technique, has enabled the successful achievement of an advanced material destined to be used as invasive medical device in cardiovascular surgery. In order to accomplish this type of medical device there is an increasing need for synthetic yarns characterized through: adequate ration resistance/weight, elasticity, flexibility, biocompatibility, chemical inertia etc. To design the fabrics destined for the vascular prostheses, there have been taken into account the minimal requirements for the bio functional characteristics, imposed by clinical usage field, from which there resulted the following: the product geometry imposes the use of the tubular or branched structure; impermeability imposes main parameters of fabric designing (achievement of a structure for which there are used untwisted yarns, the densities of the two systems and the product mass, etc.
The level of biomedical and bio functional performances demonstrate that the advanced product developed is suitable to be used in surgical intervention for replacement portion of vascular system with different geometry, in case of thrombosis, occlusion, aneurysm.