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US 12,594,404 B2Granted
Guide wire
AssigneeAsahi Intecc Co., Ltd.
InventorsKeisuke Ushida, Masahiro Kashiwai
Life of this patent
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Abstract
A guide wire including a core shaft including a distal end portion having a pseudoelastic property, a tip joined to a distal end of the distal end portion of the core shaft, and an auxiliary wire that is arranged parallel to the distal end portion of the core shaft. The auxiliary wire has a distal end joined to the tip and a rear end joined to the core shaft. The auxiliary wire has a high flexibility, a high breaking strength, and a short breaking elongation compared to the distal end portion of the core shaft.
Claims4
A guide wire comprising:
- a core shaft including a distal end portion having a pseudoelastic property;
- a tip joined to a distal end of the distal end portion of the core shaft;
- and
- an auxiliary wire arranged parallel to the distal end portion of the core shaft, the auxiliary wire having a distal end joined to the tip and a rear end joined to the core shaft,
- wherein the auxiliary wire is more flexible than the distal end portion of the core shaft,
- a breaking strength of the auxiliary wire is higher than a breaking strength of the distal end portion of the core shaft,
- a breaking elongation of the auxiliary wire is shorter than a breaking elongation of the distal end portion of the core shaft, and
- the breaking elongation of the auxiliary wire is shorter than an elongation at a yield point of the distal end portion of the core shaft.
5 more elements
Dependencies are inferred from the claim text.