Liquid crystalline catheter and method therefor

Details Liquid crystalline catheter and method therefor Liquid crystalline catheter and method therefor

A - Human Necessities

61

L

31/105, 128/127,

A61L 29/00 (2006.01) A61L 29/04 (2006.01) A61L 29/14 (2006.01) A61M 25/00 (2006.01) A61M 25/06 (2006.01) B29D 23/00 (2006.01) C08G 63/60 (2006.01)

Patent

CA 2031696

P-1697 LIQUID CRYSTALLINE CATHETER AND METHOD THEREFOR ABSTRACT OF THE DISCLOSURE A catheter assembly includes a tubing portion and a needle portion, at least one of which is a thermoplastic liquid crystalline polymer. The tubing and needle may be integral or unitary. The invention includes a method to make the assembly in which a melt of the liquid crystalline polymer is shear thinned by passing through an orifice such as an extrusion die to make tubing. The shear thinned melt may be directed into a mold having a point to make a liquid crystalline needle.

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