JP6426068B2 - カテーテル及びバルーンカテーテル - Google Patents
カテーテル及びバルーンカテーテル Download PDFInfo
- Publication number
- JP6426068B2 JP6426068B2 JP2015157962A JP2015157962A JP6426068B2 JP 6426068 B2 JP6426068 B2 JP 6426068B2 JP 2015157962 A JP2015157962 A JP 2015157962A JP 2015157962 A JP2015157962 A JP 2015157962A JP 6426068 B2 JP6426068 B2 JP 6426068B2
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- Prior art keywords
- catheter
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- protective layer
- inner layer
- coil body
- Prior art date
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- 239000010410 layer Substances 0.000 claims description 87
- 239000011241 protective layer Substances 0.000 claims description 54
- 239000011347 resin Substances 0.000 claims description 30
- 229920005989 resin Polymers 0.000 claims description 30
- 230000003014 reinforcing effect Effects 0.000 claims description 29
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 210000004204 blood vessel Anatomy 0.000 description 5
- 239000004952 Polyamide Substances 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 239000000806 elastomer Substances 0.000 description 4
- 210000004798 organs belonging to the digestive system Anatomy 0.000 description 4
- 229920002647 polyamide Polymers 0.000 description 4
- 229920000728 polyester Polymers 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 239000004696 Poly ether ether ketone Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- KHYBPSFKEHXSLX-UHFFFAOYSA-N iminotitanium Chemical compound [Ti]=N KHYBPSFKEHXSLX-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229910001000 nickel titanium Inorganic materials 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229920002530 polyetherether ketone Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000002872 contrast media Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 208000037804 stenosis Diseases 0.000 description 1
- 230000036262 stenosis Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
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- 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
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M25/0045—Catheters; Hollow probes characterised by structural features multi-layered, e.g. coated
-
- 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
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M25/005—Catheters; Hollow probes characterised by structural features with embedded materials for reinforcement, e.g. wires, coils, braids
-
- 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
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M25/005—Catheters; Hollow probes characterised by structural features with embedded materials for reinforcement, e.g. wires, coils, braids
- A61M25/0052—Localized reinforcement, e.g. where only a specific part of the catheter is reinforced, for rapid exchange guidewire port
-
- 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
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M25/005—Catheters; Hollow probes characterised by structural features with embedded materials for reinforcement, e.g. wires, coils, braids
- A61M25/0053—Catheters; Hollow probes characterised by structural features with embedded materials for reinforcement, e.g. wires, coils, braids having a variable stiffness along the longitudinal axis, e.g. by varying the pitch of the coil or braid
-
- 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
- A61M25/10—Balloon catheters
-
- 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
- A61M25/10—Balloon catheters
- A61M25/1025—Connections between catheter tubes and inflation tubes
-
- 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
- A61M2025/09008—Guide wires having a balloon
-
- 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
- A61M25/10—Balloon catheters
- A61M2025/1043—Balloon catheters with special features or adapted for special applications
- A61M2025/1084—Balloon catheters with special features or adapted for special applications having features for increasing the shape stability, the reproducibility or for limiting expansion, e.g. containments, wrapped around fibres, yarns or strands
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Child & Adolescent Psychology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Materials For Medical Uses (AREA)
Description
図1に示すように、カテーテル装置1Aは、カテーテル11Aを備えており、前記カテーテル11Aは、術者が操作する操作部10と、操作部10から延設される本体部15と、本体部15の先端側に位置する先端部16とを有している。
まず図3(a)に示すように、前記内層100の外周に前記コイル体110を巻回し、さらにコイル体110の先端部の外周に熱収縮性樹脂チューブ120aを配置する。
実施例2にかかるカテーテル11Bを図4に従って説明する。なお、実施例1と同様の構成を有するものは同じ符号を付し、説明を省略する。
実施例3にかかるカテーテル11Cを図5にしたがって説明する。なお、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、説明を省略する。
実施例4にかかるバルーンカテーテル1Dを図6に従って説明する。なお、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、説明を省略する。
実施例5にかかるバルーンカテーテル1Eを図8に従って説明する。なお、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、説明を省略する。
1D,1E バルーンカテーテル
11A,11B,11C カテーテル
20 バルーン
100 内層
110 コイル体(補強体)
111 ブレード(補強体)
120 保護層
122 非保護部分
130 外層
Claims (5)
- チューブ状の内層と、
前記内層の外周に巻回された補強体と、
前記補強体の外周を部分的に被覆した保護層と、
少なくとも前記保護層の外周を被覆した外層と、
を備え、
前記保護層は、樹脂で構成され、少なくとも前記補強体の一端部の外周を被覆しており、前記保護層に被覆された前記補強体の一端部は、前記保護層に被覆されていない前記補強体の部分よりも前記内層側に埋没している
ことを特徴とするカテーテル。 - 前記保護層は、熱収縮性樹脂チューブで構成されている
請求項1に記載のカテーテル。 - 前記外層は樹脂で構成され、前記保護層を構成する樹脂は、前記外層を構成する樹脂よりも融点が高い
請求項1又は請求項2に記載のカテーテル。 - 前記保護層は、前記補強体の一端部と他端部との両方を被覆している
請求項1乃至請求項3のいずれか1項に記載のカテーテル。 - 請求項1乃至請求項4のいずれか1項に記載のカテーテルと、
前記カテーテルにおける前記外層の外周に接合されたバルーンと、
を備えていることを特徴とするバルーンカテーテル。
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015157962A JP6426068B2 (ja) | 2015-08-10 | 2015-08-10 | カテーテル及びバルーンカテーテル |
CN201610222588.4A CN106422024B (zh) | 2015-08-10 | 2016-04-12 | 导管及球囊导管 |
CN202010591599.6A CN111701136A (zh) | 2015-08-10 | 2016-04-12 | 导管及球囊导管 |
KR1020160058136A KR102119293B1 (ko) | 2015-08-10 | 2016-05-12 | 카테터 및 벌룬 카테터 |
EP16177043.3A EP3130372B1 (en) | 2015-08-10 | 2016-06-30 | Catheter and balloon catheter |
US15/204,129 US10653858B2 (en) | 2015-08-10 | 2016-07-07 | Catheter and balloon catheter |
KR1020200037386A KR102184238B1 (ko) | 2015-08-10 | 2020-03-27 | 장척 의료용 부재 |
US16/845,427 US11633567B2 (en) | 2015-08-10 | 2020-04-10 | Catheter and balloon catheter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015157962A JP6426068B2 (ja) | 2015-08-10 | 2015-08-10 | カテーテル及びバルーンカテーテル |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018140873A Division JP6719809B2 (ja) | 2018-07-27 | 2018-07-27 | カテーテル及びバルーンカテーテル |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017035282A JP2017035282A (ja) | 2017-02-16 |
JP6426068B2 true JP6426068B2 (ja) | 2018-11-21 |
Family
ID=56296628
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015157962A Active JP6426068B2 (ja) | 2015-08-10 | 2015-08-10 | カテーテル及びバルーンカテーテル |
Country Status (5)
Country | Link |
---|---|
US (2) | US10653858B2 (ja) |
EP (1) | EP3130372B1 (ja) |
JP (1) | JP6426068B2 (ja) |
KR (2) | KR102119293B1 (ja) |
CN (2) | CN106422024B (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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EP3442642A1 (en) | 2016-04-12 | 2019-02-20 | Boston Scientific Scimed, Inc. | Medical balloon |
WO2018011627A2 (en) | 2016-07-13 | 2018-01-18 | NeuVT Limited | High flexibility, kink resistant catheter shaft |
JP6249544B1 (ja) | 2016-11-24 | 2017-12-20 | 朝日インテック株式会社 | カテーテル及びバルーンカテーテル |
US10849629B2 (en) | 2016-12-13 | 2020-12-01 | Boston Scientific Scimed, Inc. | Medical balloon |
EP3615099B1 (en) | 2017-04-25 | 2023-03-01 | Boston Scientific Scimed, Inc. | Medical balloon |
ES2894768T3 (es) | 2017-12-15 | 2022-02-15 | Perfuze Ltd | Catéteres mejorados y dispositivos y sistemas que incorporan tales catéteres |
KR102517517B1 (ko) * | 2021-01-27 | 2023-04-05 | 주식회사 엔스퀘어 | 유도전류형 무바늘 약물 분사장치 |
KR102794944B1 (ko) * | 2022-04-14 | 2025-04-15 | 윤영수 | 내시경용 튜브 |
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EP3130372B1 (en) | 2020-01-08 |
KR20200035929A (ko) | 2020-04-06 |
US20200238049A1 (en) | 2020-07-30 |
CN106422024A (zh) | 2017-02-22 |
US20170043119A1 (en) | 2017-02-16 |
KR102119293B1 (ko) | 2020-06-04 |
JP2017035282A (ja) | 2017-02-16 |
CN111701136A (zh) | 2020-09-25 |
US10653858B2 (en) | 2020-05-19 |
CN106422024B (zh) | 2020-10-23 |
EP3130372A1 (en) | 2017-02-15 |
KR102184238B1 (ko) | 2020-11-27 |
KR20170018761A (ko) | 2017-02-20 |
US11633567B2 (en) | 2023-04-25 |
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