Catheter wire

摘要

A catheter wire includes a core bundle formed by twisting a plurality of core wires each including a solid conductor covered with an insulation, a tape layer formed by spirally winding a binding tape on an outer periphery of the core bundle, a shield layer formed by spirally winding a metal wire on an outer periphery of the tape layer, and a sheath layer formed on an outer periphery of the shield layer. The binding tape is wound in a direction opposite to a twisting direction of the core wires. The solid conductor and the metal wire have a tensile strength of not less than 900 MPa and an elongation percentage of not more than 2%.

主权项

1. A catheter wire, comprising:
a core bundle comprising a plurality of core wires twisted in a twisting direction, each of said cores wires comprising a solid conductor covered with an insulation; a tape layer comprising a spirally wound binding tape wound on an outer periphery of the core bundle in a direction opposite to the twisting direction of the core wires; a shield layer comprising a spirally wound metal wire wound on an outer periphery of the tape layer in a same direction as the twisting direction of the core wires; and a sheath layer formed on an outer periphery of the shield layer, wherein the solid conductor and the metal wire have a tensile strength of not less than 900 MPa and an elongation percentage of not more than 2%.