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 About artificial vascular grafts:
- Vascular diseases are characterized by variations to the geometry and structure of the walls of the blood vessels.
- Variations in the mechanical characteristics of the vessels result in multiple complications like Thrombosis, Aneurysm and Arteriosclerosis.
Product characteristics:
- In order to function effectively, the grafts need to have special characteristics like –
- Non-thrombogenic surface,
- Elasticity and compliance,
- Long-term tensile strength,
- Bio-compatibility,
- Durability,
- Bacteria resistance, etc.
- The type of fabric used for prostheses is woven fabric or knitted fabric.
- The knitted fabric is simple to suture and well suited for aortic substitute however not for large diameter vessels. The knitted fabric is porous and needs to be clotted with patient‘s blood before usage.
- On the other hand, the woven fabric has the strongest construction but is difficult to suture.
- Most textile grafts for large and medium artery replacement are made of either PET (polyethylene terephthalate, commercial name Dacron) or PTFE (polytetrafluoro ethylene, commercial name Teflon).
Raw-materials and machinery
- Vascular grafts are manufactured using warp-knitting process on Double Raschel Warp knitting machines.
- Most textile grafts for large and medium artery replacement are made of either PET (polyethylene terephthalate, commercial name Dacron) or PTFE (polytetrafluoro ethylene, commercial name Teflon).
- These grafts can also be woven, though, rarely.
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Total
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Artificial vascular grafts
Leads found
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W. L. Gore & Associates Inc
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Address :
Medical Products Division P.O. Box 2400 Flagstaff, Arizona 86003-2400
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Country :
United States Of America
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Phone :
+1-928-7792771
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URL :
http://www.goremedical.com
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Terumo Corporation
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Address :
44-1, 2-chome, Hatagaya, Shibuya-ku,Tokyo
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Country :
Japan
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Phone :
+81-3-33748111
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URL :
http://www.terumo.co.jp
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