A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 25/09 (2006.01) A61M 25/00 (2006.01)
Patent
CA 2073750
A catheter guide wire which, despite its reduced diameter, exhibits improved strength and resistance to corrosion by body fluids and medicine. The catheter guide wire 10 is composed of a stainless steel core wire 11, a winding of a low carbon duplex structure steel wire 13 having a diameter smaller than 30 µm and a tensile strength higher than 300 kgf/mm2, said winding covering the core wire such that the low carbon duplex structure steel wire runs obliquely to the axis of the core wire 11 and crosses each other, and a polyester resin film 15, thinner than 3 µm, covering the low carbon duplex structure steel wire 13. The catheter is composed of a resin inner tube and a low carbon duplex structure steel wire 13 covered with a polyester resin film 15, which runs around the resin inner tube obliquely to the axis and crosses each other.
Mizukawa Yoshinobu
Uchimura Masahiko
Yutori Toshiaki
Kabushiki Kaisha Kobe Seiko Sho
Riches Mckenzie & Herbert Llp
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