Guide Wire with Pseudoelastic Core Shaft and Auxiliary Wire - US12594404B2
Summary
USPTO granted patent US12594404B2 to ASAHI INTECC CO., LTD. for a guide wire featuring a core shaft with a pseudoelastic distal end portion and an auxiliary wire arranged parallel to the distal end portion, having high flexibility and breaking strength. The patent, assigned 4 claims, covers inventions by Keisuke Ushida and Masahiro Kashiwai.
What changed
USPTO issued patent grant US12594404B2 to ASAHI INTECC CO., LTD. covering a guide wire assembly combining a core shaft with pseudoelastic properties and an auxiliary wire with enhanced flexibility and strength characteristics. The patent includes 4 claims and covers inventions relating to intravascular guide wire technology.
Medical device manufacturers developing or commercializing guide wire products should review this patent for potential licensing implications or to assess freedom-to-operate for competing devices. Patent holders may use this grant to enforce exclusive rights in the covered guide wire technology domain.
Archived snapshot
Apr 17, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
Guide wire
Grant US12594404B2 Kind: B2 Apr 07, 2026
Assignee
ASAHI INTECC CO., LTD.
Inventors
Keisuke Ushida, Masahiro Kashiwai
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.
CPC Classifications
A61M 25/09 A61M 2025/09083 A61M 2025/09108 A61M 2025/09191 A61M 25/09016 A61M 2025/09133
Filing Date
2022-11-08
Application No.
17982672
Claims
4
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Source
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