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William J Gahara, Thomas R Johnson, Tilak M Shah: Angioplasty balloons and balloon catheters. Worldwide Medical Plastics, St Onge Steward Johnston & Reens, August 21, 1990: US04950239 (137 worldwide citation)

Angioplasty and related medical dilatation balloons are molded from a polyurethane in which the "soft" segment is a minor segment by weight and the "hard" segment is the major segment by weight and which polyurethane has a hardness of at least 75D and a glass transition temperature of more than abou ...


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Gahara William J, Johnson Thomas R, Shah Tilak M: Angioplasty balloons and balloon catheters. Worldwide Medical Plastics, ST ONGE Ronald J, February 22, 1990: WO/1990/001302

Angioplasty and related medical dilatation balloons are molded from a polyurethane in which the 'soft' segment is a minor segment by weight and the 'hard' segment is the major segment by weight and which polyurethane has a hardness of at least 75D and a glass transition temperature of more than abou ...