WO2022044436A1 - ガイドワイヤ - Google Patents

ガイドワイヤ Download PDF

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Publication number
WO2022044436A1
WO2022044436A1 PCT/JP2021/017634 JP2021017634W WO2022044436A1 WO 2022044436 A1 WO2022044436 A1 WO 2022044436A1 JP 2021017634 W JP2021017634 W JP 2021017634W WO 2022044436 A1 WO2022044436 A1 WO 2022044436A1
Authority
WO
WIPO (PCT)
Prior art keywords
outer diameter
guide wire
tip
core shaft
coil body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2021/017634
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
康介 井田
佳奈子 西尾
正明 重松
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asahi Intecc Co Ltd
Original Assignee
Asahi Intecc Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Asahi Intecc Co Ltd filed Critical Asahi Intecc Co Ltd
Priority to EP21860868.5A priority Critical patent/EP4205790B1/en
Priority to ES21860868T priority patent/ES3056174T3/es
Priority to CN202180052735.7A priority patent/CN115955987B/zh
Publication of WO2022044436A1 publication Critical patent/WO2022044436A1/ja
Priority to US18/110,380 priority patent/US12576248B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/09—Guide wires
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/09—Guide wires
    • A61M2025/09058—Basic structures of guide wires
    • A61M2025/09083—Basic structures of guide wires having a coil around a core
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/09—Guide wires
    • A61M2025/09175—Guide wires having specific characteristics at the distal tip

Definitions

  • the base end side joint portion 40 and the intermediate joint portion 50 for example, metal solder (Au-Sn alloy, Sn-Ag alloy, Sn-Pb alloy, Pb-Ag alloy, etc.) , Brazing materials (aluminum alloy brazing, silver brazing, gold brazing, etc.), adhesives (epoxy-based adhesives, etc.) and the like are used.
  • the materials forming the distal end side junction 30, the proximal end side junction 40 and the intermediate junction 50 may be the same or different from each other. Further, each of the distal end side joint portion 30, the proximal end side joint portion 40, and the intermediate joint portion 50 may be formed of the same material as a whole, or may be formed of different materials for each portion.
  • the tip-side joint portion 30 has a shape in which the outer diameter decreases linearly toward the tip in the outer diameter reducing portion 32, and a shape in which the outer diameter curves in a curve toward the tip in the tip 33. Smooth transition to. Further, the shape of the cross section (XY cross section) of the outer diameter reducing portion 32 and the cutting edge portion 33 is substantially circular.
  • the outer diameter reducing portion 32 and the cutting edge portion 33 are polished with a device such as a lutor. The portion 33 is formed.
  • the guide wire 100 having the above-described configuration can be manufactured by the above method.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
PCT/JP2021/017634 2020-08-25 2021-05-10 ガイドワイヤ Ceased WO2022044436A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP21860868.5A EP4205790B1 (en) 2020-08-25 2021-05-10 Guide wire
ES21860868T ES3056174T3 (en) 2020-08-25 2021-05-10 Guide wire
CN202180052735.7A CN115955987B (zh) 2020-08-25 2021-05-10 导丝
US18/110,380 US12576248B2 (en) 2020-08-25 2023-02-16 Guide wire

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020-141387 2020-08-25
JP2020141387A JP7627555B2 (ja) 2020-08-25 2020-08-25 ガイドワイヤ

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US18/110,380 Continuation US12576248B2 (en) 2020-08-25 2023-02-16 Guide wire

Publications (1)

Publication Number Publication Date
WO2022044436A1 true WO2022044436A1 (ja) 2022-03-03

Family

ID=80353016

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2021/017634 Ceased WO2022044436A1 (ja) 2020-08-25 2021-05-10 ガイドワイヤ

Country Status (6)

Country Link
US (1) US12576248B2 (https=)
EP (1) EP4205790B1 (https=)
JP (1) JP7627555B2 (https=)
CN (1) CN115955987B (https=)
ES (1) ES3056174T3 (https=)
WO (1) WO2022044436A1 (https=)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002095755A (ja) * 2000-07-06 2002-04-02 Japan Lifeline Co Ltd 医療用ガイドワイヤ
US6669652B2 (en) 2000-12-21 2003-12-30 Advanced Cardiovascular Systems, Inc. Guidewire with tapered distal coil
JP2007319537A (ja) * 2006-06-02 2007-12-13 Fmd:Kk 医療用ガイドワイヤ
JP2013000268A (ja) * 2011-06-15 2013-01-07 Asahi Intecc Co Ltd ガイドワイヤ
JP2014161705A (ja) * 2013-02-28 2014-09-08 Asahi Intecc Co Ltd ガイドワイヤ
JP2017185351A (ja) * 2017-07-19 2017-10-12 朝日インテック株式会社 ガイドワイヤ

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5253653A (en) * 1991-10-31 1993-10-19 Boston Scientific Corp. Fluoroscopically viewable guidewire for catheters
US5885227A (en) * 1997-03-25 1999-03-23 Radius Medical Technologies, Inc. Flexible guidewire with radiopaque plastic tip
US20070219464A1 (en) * 2002-03-22 2007-09-20 Stephen Davis Guidewire with deflectable re-entry tip
JP2005224467A (ja) * 2004-02-16 2005-08-25 Japan Lifeline Co Ltd 医療用ガイドワイヤ
EP1727584B1 (en) * 2004-03-26 2011-01-19 Lake Region Medical R&D Limited Medical Guidewire with distal Edge
JP5147569B2 (ja) * 2008-06-30 2013-02-20 テルモ株式会社 ガイドワイヤ
JP5376531B2 (ja) 2010-11-29 2013-12-25 朝日インテック株式会社 ガイドワイヤ
JP2012152362A (ja) * 2011-01-26 2012-08-16 Asahi Intecc Co Ltd ガイドワイヤ
JP5392792B2 (ja) * 2011-06-06 2014-01-22 朝日インテック株式会社 ガイドワイヤ
JP2013111320A (ja) 2011-11-30 2013-06-10 Asahi Intecc Co Ltd ガイドワイヤ
JP2013176488A (ja) 2012-02-29 2013-09-09 Asahi Intecc Co Ltd ガイドワイヤ
CN104623790A (zh) * 2013-11-11 2015-05-20 微创神通医疗科技（上海）有限公司 医用导丝及输送系统
WO2020163031A1 (en) * 2019-02-04 2020-08-13 Edwards Lifesciences Corporation Guide wire apparatuses and methods

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002095755A (ja) * 2000-07-06 2002-04-02 Japan Lifeline Co Ltd 医療用ガイドワイヤ
US6669652B2 (en) 2000-12-21 2003-12-30 Advanced Cardiovascular Systems, Inc. Guidewire with tapered distal coil
JP2007319537A (ja) * 2006-06-02 2007-12-13 Fmd:Kk 医療用ガイドワイヤ
JP2013000268A (ja) * 2011-06-15 2013-01-07 Asahi Intecc Co Ltd ガイドワイヤ
JP2014161705A (ja) * 2013-02-28 2014-09-08 Asahi Intecc Co Ltd ガイドワイヤ
JP2017185351A (ja) * 2017-07-19 2017-10-12 朝日インテック株式会社 ガイドワイヤ

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP4205790A4

Also Published As

Publication number Publication date
CN115955987B (zh) 2025-06-27
CN115955987A (zh) 2023-04-11
US20230191087A1 (en) 2023-06-22
ES3056174T3 (en) 2026-02-18
EP4205790A1 (en) 2023-07-05
EP4205790A4 (en) 2024-08-14
JP2022037316A (ja) 2022-03-09
EP4205790B1 (en) 2025-09-24
JP7627555B2 (ja) 2025-02-06
US12576248B2 (en) 2026-03-17

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