Poly artificial arteries

As explained earlier, the segmented structure of poly(ether-urethanes) leads to high swelling and partial solution when the polymers are immersed in liquids of widely varying polarity. Table 1 lists the effects of a number of liquids on non-halogenated Biomer including some hydrophilic vinyl monomers. Note that all results were obtained with artificial arterial... 

One of the characteristics of the woven arterial prosthesis is the tissue ingrowth that occurs within the interstices of the fabric. It is possible that this tissue can effectively reconstitute a new artery, thereby obviating the adverse effects of degradation. This possibility is utilized in at least one design of artificial artery in which the material is designed to be degradable to some extent. The material utilized here is a blend of poly(ether urethane) and poly(lactic acid). 

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