JP4868387B2 - 薬液注入装置 - Google Patents
薬液注入装置 Download PDFInfo
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- JP4868387B2 JP4868387B2 JP2005274423A JP2005274423A JP4868387B2 JP 4868387 B2 JP4868387 B2 JP 4868387B2 JP 2005274423 A JP2005274423 A JP 2005274423A JP 2005274423 A JP2005274423 A JP 2005274423A JP 4868387 B2 JP4868387 B2 JP 4868387B2
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Images
Classifications
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- A61M29/00—Dilators with or without means for introducing media, e.g. remedies
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- A61M25/00—Catheters; Hollow probes
- A61M25/0009—Making of catheters or other medical or surgical tubes
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- 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
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- A61M25/00—Catheters; Hollow probes
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- A61M25/0071—Multiple separate lumens
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- A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
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- A—HUMAN NECESSITIES
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- A61M25/00—Catheters; Hollow probes
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
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- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
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- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
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- A—HUMAN NECESSITIES
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- A61M25/00—Catheters; Hollow probes
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- A—HUMAN NECESSITIES
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- 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
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- A—HUMAN NECESSITIES
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- 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
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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
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
- A61M25/0108—Steering means as part of the catheter or advancing means; Markers for positioning using radio-opaque or ultrasound markers
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Materials For Medical Uses (AREA)
Description
4 遠位部 6 近位部
10 針状管体ルーメン 14 突出孔
32 第一ガイドワイヤ 33 第一ガイドワイヤ挿通部分
34 第二ガイドワイヤ 35 第二ガイドワイヤ挿通部分
36 第一ガイドワイヤ挿通チューブ 38 第一ガイドワイヤルーメン
47,58 遠位側開口部 48,60 近位側開口部
50 第二ガイドワイヤ挿通チューブ 52 第二ガイドワイヤルーメン
62 サポートチューブ 64 連通ルーメン
Claims (13)
- 可撓性を有し、針状管体ルーメンが軸方向に延びるように設けられて、体内に挿入される本体チューブと、
所定の薬液が流通可能な内孔を備えた、可撓性を有する細管からなり、且つ前記本体チューブの前記針状管体ルーメン内に移動可能に挿入されて、先端部が、該本体チューブに設けられた突出孔から外部に突出せしめられて、体内の所定の組織に穿刺されることにより、前記内孔を通じて、前記薬液を該体内組織に注入する針状管体と、
前記本体チューブの軸方向に延び、且つ遠位側開口部が前記本体チューブの遠位部に開口すると共に、近位側開口部が前記本体チューブの側面に開口し、前記遠位側開口部と前記近位側開口部とが前記突出孔を挟んで開口する、第一ガイドワイヤを移動可能に挿通させるための第一ガイドワイヤルーメンと、
前記本体チューブの軸方向に延び、且つ遠位側開口部と近位側開口部とが、前記本体チューブの側面に開口すると共に、前記突出孔よりも近位側で軸方向に所定距離を隔ててそれぞれ開口する、第二ガイドワイヤを移動可能に挿通させるための第二ガイドワイヤルーメンと、
前記本体チューブから分岐して延びるように設けられると共に、内部に、前記第二ガイドワイヤルーメンの前記遠位側開口部を通じて該第二ガイドワイヤルーメンに連通する連通ルーメンが設けられて、該連通ルーメン内に、該第二ガイドワイヤルーメンの該遠位側開口部から延出せしめられる前記第二ガイドワイヤの延出部分が移動可能に挿通されることにより、該延出部分を支持する、先端が自由端とされた、可撓性を有するサポートチューブと、
を含んで構成したことを特徴とする薬液注入装置。 - 前記第一ガイドワイヤルーメンの前記近位側開口部が、前記第二ガイドワイヤルーメンの前記遠位側開口部よりも近位側に位置せしめられることにより、前記針状管体ルーメンと該第一ガイドワイヤルーメンと該第二ガイドワイヤルーメンとが並行して形成されている請求項1に記載の薬液注入装置。
- 前記針状管体ルーメンと該第一ガイドワイヤルーメンと該第二ガイドワイヤルーメンとが並行して配置された部分が、少なくとも10mmの長さを有している請求項2に記載の薬液注入装置。
- 前記第一ガイドワイヤルーメンの前記近位側開口部が、前記第二ガイドワイヤルーメンの前記遠位側開口部よりも近位側に位置せしめられると共に、前記第二ガイドワイヤルーメンの近位側開口部よりも遠位側に位置せしめられている請求項1乃至請求項3のうちの何れか1項に記載の薬液注入装置。
- 前記第二ガイドワイヤルーメンが、少なくとも20mmの長さを有している請求項1乃至請求項4のうちの何れか1項に記載の薬液注入装置。
- 前記第二ガイドワイヤルーメンと前記連通ルーメンとの合計長さが、200mm以下とされている請求項1乃至請求項5のうちの何れか1項に記載の薬液注入装置。
- 前記本体チューブが、内側樹脂層と、該内側樹脂層とは特性の異なる外側樹脂層とが積層されてなる複層部分を含んで構成されている請求項1乃至請求項6のうちの何れか1項に記載の薬液注入装置。
- 前記本体チューブが、内側樹脂層の外側に、樹脂製又は金属製の編組からなる補強層が積層された複層構造を有している請求項1乃至請求項7のうちの何れか1項に記載の薬液注入装置。
- 前記本体チューブが、近位側から遠位側に向かうに従って、徐々に又は段階的に柔軟性が高くなる構造をもって構成されている請求項1乃至請求項8のうちの何れか1項に記載の薬液注入装置。
- 前記サポートチューブが、10〜40mmの長さを有している請求項1乃至請求項9のうちの何れか1項に記載の薬液注入装置。
- 前記サポートチューブにおける前記自由端とされた先端側部分が、その基部側部分よりも高い柔軟性を有する構造をもって構成されている請求項1乃至請求項10のうちの何れか1項に記載の薬液注入装置。
- 前記サポートチューブの前記先端側部分が、柔軟性を有する柔軟樹脂層のみからなる単層構造を有する一方、前記基部側部分が、該柔軟樹脂層の内側又は外側に、該柔軟樹脂層よりも剛性の高い樹脂層が積層された複層構造を有することにより、該先端側部分が、該基部側部分よりも高い柔軟性を有するように構成されている請求項11に記載の薬液注入装置。
- 前記サポートチューブの遠位端側部位に、放射線不透過材からなるマーカー部が、位置固定に設けられている請求項1乃至請求項12のうちの何れか1項に記載の薬液注入装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005274423A JP4868387B2 (ja) | 2005-09-21 | 2005-09-21 | 薬液注入装置 |
US11/533,266 US8206356B2 (en) | 2005-09-21 | 2006-09-19 | Reagent injection apparatus and method of producing the same |
EP06121005A EP1767238B1 (en) | 2005-09-21 | 2006-09-20 | Reagent Injection Apparatus and Method of Producing the same |
AT06121005T ATE492312T1 (de) | 2005-09-21 | 2006-09-20 | Reagenz-injektionsvorrichtung und methode zu ihrer herstellung |
DE602006019036T DE602006019036D1 (de) | 2005-09-21 | 2006-09-20 | Reagenz-Injektionsvorrichtung und Methode zu ihrer Herstellung |
KR1020060091965A KR20070033298A (ko) | 2005-09-21 | 2006-09-21 | 약액 주입 장치 및 그 제조 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005274423A JP4868387B2 (ja) | 2005-09-21 | 2005-09-21 | 薬液注入装置 |
Publications (2)
Publication Number | Publication Date |
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JP2007082707A JP2007082707A (ja) | 2007-04-05 |
JP4868387B2 true JP4868387B2 (ja) | 2012-02-01 |
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JP2005274423A Active JP4868387B2 (ja) | 2005-09-21 | 2005-09-21 | 薬液注入装置 |
Country Status (6)
Country | Link |
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US (1) | US8206356B2 (ja) |
EP (1) | EP1767238B1 (ja) |
JP (1) | JP4868387B2 (ja) |
KR (1) | KR20070033298A (ja) |
AT (1) | ATE492312T1 (ja) |
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- 2006-09-20 AT AT06121005T patent/ATE492312T1/de not_active IP Right Cessation
- 2006-09-20 EP EP06121005A patent/EP1767238B1/en not_active Not-in-force
- 2006-09-21 KR KR1020060091965A patent/KR20070033298A/ko not_active Abandoned
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US8206356B2 (en) | 2012-06-26 |
JP2007082707A (ja) | 2007-04-05 |
EP1767238A1 (en) | 2007-03-28 |
KR20070033298A (ko) | 2007-03-26 |
ATE492312T1 (de) | 2011-01-15 |
EP1767238B1 (en) | 2010-12-22 |
US20070129706A1 (en) | 2007-06-07 |
DE602006019036D1 (de) | 2011-02-03 |
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