Flexible medical article and method of making the same
First Claim
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1. A method for forming a flexible medical article, the method comprising the following steps:
- forming a tubular member of a medical article by extruding a polycarbonate urethane copolymer;
annealing said extruded tubular member of the medical article to increase a flexibility of said tubular member of the medical article; and
coupling a hub to a first end of the annealed tubular member of the medical article.
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Abstract
A method of making a flexible medical article or tube, for example, a sheath for a vascular access device, is provided. The method can include extruding a polymer, for example, a polycarbonate-urethane copolymer, to form a tube and annealing the extruded polymer. The method can further include cutting the extruded tube to a desired length before or after annealing, flaring one end of the annealed tube and over-molding the flared portion onto a hub, and forming the other end of the tube into a tip. A sheath formed by such a method is also provided.
84 Citations
20 Claims
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1. A method for forming a flexible medical article, the method comprising the following steps:
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forming a tubular member of a medical article by extruding a polycarbonate urethane copolymer; annealing said extruded tubular member of the medical article to increase a flexibility of said tubular member of the medical article; and coupling a hub to a first end of the annealed tubular member of the medical article. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification