Catheter having hydrophobic properties
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United States of America Patent
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Aug 13, 1996
Grant Date -
N/A
app pub date -
Nov 22, 1994
filing date -
Nov 22, 1994
priority date (Note) -
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Abstract
An intravascular catheter having an elongated tubular body with a proximal portion, a distal portion and a lumen extending therebetween. The tubular body is formed with: (a) an inner layer of a blend of (i) about 10-25 weight percent of a polyester-polyurethane having a durometer of from about 45D-55D, and (ii) about 38-53 weight percent of a polyester polyurethane having a durometer of from about 65D-75D; (b) a reinforcing means at least partially surrounding the inner layer; and (c) an outer layer comprising a blend of (i) about 10-25 weight percent of a polyester-polyurethane having a durometer of from about 45D-55D and (ii) about 38-53 weight percent of a polyester-polyurethane having a durometer of from about 659D-75D.
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