JP4842615B2 - カテーテル補強材 - Google Patents
カテーテル補強材 Download PDFInfo
- Publication number
- JP4842615B2 JP4842615B2 JP2005314170A JP2005314170A JP4842615B2 JP 4842615 B2 JP4842615 B2 JP 4842615B2 JP 2005314170 A JP2005314170 A JP 2005314170A JP 2005314170 A JP2005314170 A JP 2005314170A JP 4842615 B2 JP4842615 B2 JP 4842615B2
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- JP
- Japan
- Prior art keywords
- catheter
- wire
- reinforcing material
- shape
- cross
- 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.)
- Expired - Fee Related
Links
- 230000002787 reinforcement Effects 0.000 title description 13
- 239000012779 reinforcing material Substances 0.000 claims description 29
- 229920005989 resin Polymers 0.000 claims description 19
- 239000011347 resin Substances 0.000 claims description 19
- 238000009940 knitting Methods 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 description 29
- 239000002184 metal Substances 0.000 description 29
- 239000000463 material Substances 0.000 description 10
- 230000003014 reinforcing effect Effects 0.000 description 9
- 238000005096 rolling process Methods 0.000 description 9
- 210000004204 blood vessel Anatomy 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 239000004952 Polyamide Substances 0.000 description 2
- 238000007887 coronary angioplasty Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 229910001080 W alloy Inorganic materials 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 208000037804 stenosis Diseases 0.000 description 1
- 230000036262 stenosis Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 210000003708 urethra Anatomy 0.000 description 1
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- Media Introduction/Drainage Providing Device (AREA)
Description
図1は本発明の実施の形態のカテーテル補強材を構成する線材である金属線の断面形状を示している。この実施の形態における金属線1(1A,1B)は、材質が、ステンレス鋼、あるいはタングステンまたはタングステン系合金、Co−Cr合金、高Siステンレス鋼等で、断面形状が、楕円を長軸に沿って直線状に分割した形状に近似する略半割り楕円形状である。
また、本発明は、カテーテル補強材を構成する線材が、金属線以外の合成樹脂等の線材である場合にも適用することができる。
2A、2B カテーテル補強材
3A、3B 樹脂層
4A,4B カテーテルチューブ
Claims (1)
- カテーテルの樹脂製チューブに埋め込まれる網状あるいは密巻きコイル状の補強材であって、線材で形成され、該線材は、断面形状が、楕円を長軸に沿って直線状に分割した形状に近似する略半割り楕円形状で、幅に対し厚さが小さく、網状に編むことにより交差して厚さ方向に重なる部分が平面と曲面との接触となり、あるいは密巻きコイル状に巻くことにより幅方向に接触する接触部が曲面と曲面の接触となっていることを特徴とするカテーテル補強材。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005314170A JP4842615B2 (ja) | 2005-10-28 | 2005-10-28 | カテーテル補強材 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005314170A JP4842615B2 (ja) | 2005-10-28 | 2005-10-28 | カテーテル補強材 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007117440A JP2007117440A (ja) | 2007-05-17 |
JP4842615B2 true JP4842615B2 (ja) | 2011-12-21 |
Family
ID=38141927
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005314170A Expired - Fee Related JP4842615B2 (ja) | 2005-10-28 | 2005-10-28 | カテーテル補強材 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4842615B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8857304B2 (en) * | 2010-12-02 | 2014-10-14 | Biosense Webster (Israel), Ltd. | Magnetic resonance imaging compatible catheter |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60212142A (ja) * | 1984-04-09 | 1985-10-24 | オリンパス光学工業株式会社 | 内視鏡 |
JPH0793649B2 (ja) * | 1987-09-09 | 1995-10-09 | 三菱電機株式会社 | 電話装置 |
DK1040843T3 (da) * | 1999-03-29 | 2006-01-30 | William Cook Europe As | En guidewire |
JP3971320B2 (ja) * | 2003-02-17 | 2007-09-05 | 修 加藤 | カテーテル |
-
2005
- 2005-10-28 JP JP2005314170A patent/JP4842615B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2007117440A (ja) | 2007-05-17 |
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