JP6515012B2 - ガイドワイヤ - Google Patents
ガイドワイヤ Download PDFInfo
- Publication number
- JP6515012B2 JP6515012B2 JP2015207669A JP2015207669A JP6515012B2 JP 6515012 B2 JP6515012 B2 JP 6515012B2 JP 2015207669 A JP2015207669 A JP 2015207669A JP 2015207669 A JP2015207669 A JP 2015207669A JP 6515012 B2 JP6515012 B2 JP 6515012B2
- Authority
- JP
- Japan
- Prior art keywords
- coil body
- guide wire
- wire
- tip
- core shaft
- 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.)
- Active
Links
- 238000004804 winding Methods 0.000 claims description 4
- 210000004204 blood vessel Anatomy 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000003466 welding Methods 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000005219 brazing Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 210000004798 organs belonging to the digestive system Anatomy 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 208000031481 Pathologic Constriction Diseases 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000036262 stenosis Effects 0.000 description 2
- 208000037804 stenosis Diseases 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
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
- A61M2025/0915—Guide wires having features for changing the stiffness
-
- 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
-
- 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
- A61M2025/09191—Guide wires made of twisted wires
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)
Description
図1に示すように、ガイドワイヤ1Aは、先端側が細径で基端側が太径とされた先細り丸棒形状の金属材料からなるコアシャフト2を備えている。
前記ガイドワイヤ1Aにおける前記撚線ワイヤ10は、図2(a)に示すように、複数の素線100を撚り合わせてなり、しかも前記撚線ワイヤ10の中心部には芯線が配置されておらず、当該中心部に空隙101が形成された中空状とされている。
実施例2のガイドワイヤ1Bを図3に従って説明する。なお、上記実施例1と同様の構成を有するものは同じ符号を付し、説明を省略又は簡略する。
実施例3のガイドワイヤ1Cを図4に従って説明する。なお、上記実施例1,2と同様の構成を有するものは同じ符号を付し、説明を省略又は簡略する。
実施例4のガイドワイヤ1Dを図5に従って説明する。なお、上記実施例1〜3と同様の構成を有するものは同じ符号を付し、説明を省略又は簡略する。
実施例5のガイドワイヤ1Eを図6に従って説明する。なお、上記実施例1〜4と同様の構成を有するものは同じ符号を付し、説明を省略又は簡略する。
2 コアシャフト
5 先端チップ
10,40 撚線ワイヤ
20,60 第1のコイル体
23 撚線
30 第2のコイル体
100 素線
120 素線
Claims (3)
- コアシャフトと、
前記コアシャフトの先端を覆う第1のコイル体と、
その第1のコイル体の内部に配置され、前記第1のコイル体に接続されずに前記コアシャフトの先端部に接続された、複数の素線を撚り合わせてなる第1の撚線と、
前記第1の撚線の先端と前記第1のコイル体の先端とを接続する先端チップと、
先端が前記先端チップから基端側に離間して前記第1の撚線の途中に接続され、基端が前記コアシャフトに接続された第2のコイル体と、
を備えることを特徴とするガイドワイヤ。 - 前記第1のコイル体は、複数の素線を撚り合わせた中空状の第2の撚線を螺旋状に巻回してなることを特徴とする請求項1に記載のガイドワイヤ。
- 前記第1の撚線は中空状であることを特徴とする請求項1または請求項2に記載のガイドワイヤ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015207669A JP6515012B2 (ja) | 2015-10-22 | 2015-10-22 | ガイドワイヤ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015207669A JP6515012B2 (ja) | 2015-10-22 | 2015-10-22 | ガイドワイヤ |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015107216A Division JP6685088B2 (ja) | 2015-05-27 | 2015-05-27 | ガイドワイヤ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016221231A JP2016221231A (ja) | 2016-12-28 |
JP6515012B2 true JP6515012B2 (ja) | 2019-05-15 |
Family
ID=57746825
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015207669A Active JP6515012B2 (ja) | 2015-10-22 | 2015-10-22 | ガイドワイヤ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP6515012B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018181195A1 (ja) * | 2017-03-27 | 2018-10-04 | テルモ株式会社 | カテーテル組立体 |
EP3747498A4 (en) * | 2018-02-01 | 2021-10-13 | Asahi Intecc Co., Ltd. | GUIDEWIRE |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1432467B1 (en) * | 2001-10-05 | 2005-12-14 | Boston Scientific Limited | Composite guidewire |
US7077811B2 (en) * | 2002-12-23 | 2006-07-18 | Scimed Life Systems, Inc. | Guidewire tip construction |
WO2008085167A1 (en) * | 2007-01-10 | 2008-07-17 | St. Jude Medical, Cardiology Division, Inc. | Steerable guide wire with torsionally stable tip |
JP5392785B2 (ja) * | 2010-06-25 | 2014-01-22 | 朝日インテック株式会社 | 医療用ガイドワイヤ |
JP5652884B2 (ja) * | 2012-07-27 | 2015-01-14 | 朝日インテック株式会社 | ガイドワイヤ |
JP5995370B2 (ja) * | 2013-10-25 | 2016-09-21 | 朝日インテック株式会社 | ガイドワイヤ |
JP5780532B2 (ja) * | 2013-12-06 | 2015-09-16 | 朝日インテック株式会社 | 医療用ガイドワイヤ |
-
2015
- 2015-10-22 JP JP2015207669A patent/JP6515012B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2016221231A (ja) | 2016-12-28 |
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