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Why is polypropylene considered the best suture material for arterial anastomosis?
Mholdaway
1)Polypropylene can be made in a wide range of flexibility and thicknesses, giving the surgen a choice in the properties he wants.
2)It is also bio-compatible and hypoallergenic. The polymers of polypropylene are composed of simple hydrocarbon repeats that are not unlike the material found already in the body meaning the body's immune system will not attack it.
3) It does not leech harmful chemicals into the body when implanted, which is a problem for many plastics where if the polymer breaks down, it releases harmful materials (recent example of BPA in nalgene bottles)
4) It has a low co-efficent of friction and will disrupt the tissue as little as possible when it is pulled through to join the arteries
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∙ 14y ago
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