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Isotropically expansible balloon articles useful in in vivo lumenal procedures, and methods of making such balloon articles
Isotropically expansible balloon articles useful in in vivo lumenal procedures, and methods of making such balloon articles
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机译:在体内腔过程中有用的各向同性可膨胀球囊制品,以及制造这种球囊制品的方法
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摘要
A balloon article, e.g., for an in vivo lumenal procedure, formed of a UV cross-linkable polyurethane material that is partially cross-linked to an extent providing a desired expansibility and/or compliant character to the balloon. The degree of cross-linking is selectively modified by the degree of UV exposure to which the balloon article is exposed, and/or the relative proportion of the cross-linking agent, to achieve corresponding product characteristics ranging from semi-compliant to non-compliant polyurethane film properties, including low creep/semi-compliant films.
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