JP6125805B2 - カテーテル - Google Patents
カテーテル Download PDFInfo
- Publication number
- JP6125805B2 JP6125805B2 JP2012248958A JP2012248958A JP6125805B2 JP 6125805 B2 JP6125805 B2 JP 6125805B2 JP 2012248958 A JP2012248958 A JP 2012248958A JP 2012248958 A JP2012248958 A JP 2012248958A JP 6125805 B2 JP6125805 B2 JP 6125805B2
- Authority
- JP
- Japan
- Prior art keywords
- diameter portion
- outer layer
- shaft
- catheter
- diameter
- 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.)
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- 239000000463 material Substances 0.000 claims description 43
- 230000007423 decrease Effects 0.000 claims description 8
- 210000004204 blood vessel Anatomy 0.000 description 10
- 230000003014 reinforcing effect Effects 0.000 description 10
- 239000003550 marker Substances 0.000 description 8
- 230000008859 change Effects 0.000 description 6
- -1 polyethylene Polymers 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 210000005259 peripheral blood Anatomy 0.000 description 4
- 239000011886 peripheral blood Substances 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 238000009751 slip forming Methods 0.000 description 4
- 239000000470 constituent Substances 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000002872 contrast media Substances 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229940126585 therapeutic drug Drugs 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229920012753 Ethylene Ionomers Polymers 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920011301 perfluoro alkoxyl alkane Polymers 0.000 description 1
- 229920013653 perfluoroalkoxyethylene Polymers 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000002601 radiography Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Media Introduction/Drainage Providing Device (AREA)
Description
24、24a…細径部 26…太径部
28…テーパ部 30…内層
32、32a〜32f…外層 34…補強層
35…編組 38…第1太径部
39…第2太径部 40…線材
44…第1部位 46…第2部位
48…第3部位 50…第4部位
Claims (3)
- チューブ状のシャフトを有するカテーテルであって、
前記シャフトは、前記シャフトの先端側を構成する細径部と、前記細径部よりも基端側に設けられ前記細径部よりも外径が大きい太径部と、前記細径部の基端から前記太径部の先端までの部分を構成し先端側に向って外径が縮小するテーパ部とを有し、
前記細径部は、
前記テーパ部の先端側に隣接する第1細径部と、
前記第1細径部の先端側に隣接し、前記第1細径部の外径よりも大きい外径を有し、且つ、前記第1細径部よりも柔軟に構成された第2細径部と、
前記第2細径部の先端側に隣接し、前記第2細径部の外径よりも小さい外径を有し、且つ、前記第2細径部よりも柔軟に構成された第3細径部とを有する、
ことを特徴とするカテーテル。 - 請求項1記載のカテーテルにおいて、
前記シャフトは、内層と、前記内層の外側に設けられた外層とを有し、
前記第2細径部における前記外層の外径は、前記第1細径部における前記外層の外径よりも大きく、
前記第2細径部における前記外層を構成する材料の硬度は、前記第1細径部における前記外層を構成する材料の硬度よりも低い、
ことを特徴とするカテーテル。 - 請求項1記載のカテーテルにおいて、
前記シャフトは、内層と、前記内層の外側に設けられた外層とを有し、
前記第2細径部における前記外層を構成する材料の硬度と、前記第3細径部における前記外層を構成する材料の硬度は、同一である、
ことを特徴とするカテーテル。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012248958A JP6125805B2 (ja) | 2012-11-13 | 2012-11-13 | カテーテル |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012248958A JP6125805B2 (ja) | 2012-11-13 | 2012-11-13 | カテーテル |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014097089A JP2014097089A (ja) | 2014-05-29 |
JP6125805B2 true JP6125805B2 (ja) | 2017-05-10 |
Family
ID=50939685
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012248958A Active JP6125805B2 (ja) | 2012-11-13 | 2012-11-13 | カテーテル |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP6125805B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5908988B2 (ja) * | 2012-11-13 | 2016-04-26 | テルモ株式会社 | カテーテル |
JP7289936B2 (ja) * | 2020-01-29 | 2023-06-12 | オリンパス株式会社 | ステントデリバリー装置およびガイドカテーテル |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5514108A (en) * | 1994-09-01 | 1996-05-07 | Cordis Corporation | Soft flexible catheter tip for use in angiography |
US6042578A (en) * | 1996-05-13 | 2000-03-28 | Schneider (Usa) Inc. | Catheter reinforcing braids |
JP2001190681A (ja) * | 2000-01-12 | 2001-07-17 | Terumo Corp | カテーテル |
JP5769992B2 (ja) * | 2011-03-23 | 2015-08-26 | 株式会社グッドマン | カテーテル |
-
2012
- 2012-11-13 JP JP2012248958A patent/JP6125805B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2014097089A (ja) | 2014-05-29 |
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