JP6364016B2 - 同軸両方向カテーテル - Google Patents
同軸両方向カテーテル Download PDFInfo
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- JP6364016B2 JP6364016B2 JP2015541978A JP2015541978A JP6364016B2 JP 6364016 B2 JP6364016 B2 JP 6364016B2 JP 2015541978 A JP2015541978 A JP 2015541978A JP 2015541978 A JP2015541978 A JP 2015541978A JP 6364016 B2 JP6364016 B2 JP 6364016B2
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- Prior art keywords
- catheter
- distal
- deflectable
- columnar member
- proximal
- Prior art date
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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
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
- A61M25/0133—Tip steering devices
- A61M25/0138—Tip steering devices having flexible regions as a result of weakened outer material, e.g. slots, slits, cuts, joints or coils
-
- 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
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
- A61M25/0133—Tip steering devices
- A61M25/0144—Tip steering devices having flexible regions as a result of inner reinforcement means, e.g. struts or rods
-
- 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
- A61M25/0133—Tip steering devices
- A61M25/0147—Tip steering devices with movable mechanical means, e.g. pull 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
-
- 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
- A61M2025/0059—Catheters; Hollow probes characterised by structural features having means for preventing the catheter, sheath or lumens from collapsing due to outer forces, e.g. compressing forces, or caused by twisting or kinking
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Pulmonology (AREA)
- Anesthesiology (AREA)
- Biophysics (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Mechanical Engineering (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Description
本願は、2012年11月10日に出願された米国(US)特許出願第61/724,921号の権益主張出願である。
Claims (20)
- 偏向可能テーテルであって、
近位部分及び遠位部分を備えた外側カテーテルを有し、
前記外側カテーテルから遠位側に延びる細長い柱状部材を有し、
前記外側カテーテルと同軸に位置決めされると共に前記柱状部材に取り付けられた内側カテーテルを有し、前記内側カテーテルは、前記外側カテーテルの遠位側に延び、前記内側カテーテルは、流体を導入するように寸法形状決めされた内側ルーメン、及び、遠位先端部分を有し、
前記柱状部材の軸方向運動を制限するよう前記柱状部材に嵌めた状態で配置された補強部材を有し、前記内側カテーテル又は前記外側カテーテルのうちの一方が他方に対して動かされると、前記柱状部材の軸方向圧縮が前記補強部材によって制限され、前記内側カテーテルの前記遠位端部分は軸方向に屈従することができないため、前記内側カテーテルの前記遠位端部分は、長手方向位置から長手方向軸線から離れる第1の方向に偏向可能であり、かつ、長手方向位置から長手方向軸線から離れる第1の方向と反対側の第2の方向に偏向可能であり、前記柱状部材は、前記補強部材がないときに、その近位端に向かって近位方向に移動しようとして該柱状部材の座屈が生じるように構成されていることによって、前記内側カテーテルの前記遠位先端部分が側方に偏向するようになっている、偏向可能カテーテル。 - 前記外側カテーテルは、中央長手方向軸線を有し、前記柱状部材は、前記外側カテーテルの前記中央長手方向軸線に対して半径方向にオフセットしている、請求項1に記載の偏向可能カテーテル。
- 前記補強部材は、管から成る、請求項1または2に記載の偏向可能カテーテル。
- 前記柱状部材は、断面が非円形である、請求項1〜3のいずれか1項に記載の偏向可能カテーテル。
- 前記柱状部材は、前記外側カテーテル及び前記内側カテーテルに固定的に取り付けられている、請求項1〜4のいずれか1項に記載の偏向可能カテーテル。
- 前記外側カテーテルは、前記内側カテーテルを受け入れる中央ルーメンを有する、請求項1〜5のいずれか1項に記載の偏向可能カテーテル。
- 前記柱状部材は、前記外側カテーテルの前記遠位部分に取り付けられた近位部分及び前記内側カテーテルの前記遠位部分に取り付けられた遠位部分を有する、請求項1〜6のいずれか1項に記載の偏向可能カテーテル。
- 前記内側カテーテルの遠位部分のところに設けられたマーカーバンドを更に有し、前記柱状部材は、前記マーカーバンドに取り付けられている、請求項1〜7のいずれか1項に記載の偏向可能カテーテル。
- 近位側への前記内側カテーテルの運動時又は遠位側への前記外側カテーテルの運動時、前記柱状部材の軸方向圧縮は、前記補強部材によって制限され、従って、前記柱状部材は、軸方向に屈従することはできず、これとは異なり、側方に屈従して前記遠位先端部分を偏向させる、請求項1〜8のいずれか1項に記載の偏向可能カテーテル。
- 前記外側カテーテルの前記中央ルーメンは、該中央ルーメン内での前記内側カテーテルの運動を容易にするよう潤滑される、請求項1〜9のいずれか1項に記載の偏向可能カテーテル。
- 前記内側部材に設けられた第1及び第2のマーカーバンドを更に有し、前記柱状部材は、前記第1及び前記第2のマーカーバンドに取り付けられている、請求項1〜10のいずれか1項に記載の偏向可能カテーテル。
- 前記内側カテーテルの位置を前記外側カテーテルに対してロックするロック組立体を更に有する、請求項1〜11のいずれか1項に記載の偏向可能カテーテル。
- 近位側への前記内側カテーテルの運動が、前記遠位先端部分を第1の方向に偏向させ、遠位側への前記内側カテーテルの運動が、前記遠位先端部分を第2の方向に偏向させる、請求項1〜12のいずれか1項に記載の偏向可能カテーテル。
- 前記補強要素は、閉ピッチコイルを備える、請求項1〜13のいずれか1項に記載の偏向可能カテーテル。
- 前記柱状部材は、前記外側カテーテルによって接触される近位ストップを含む、請求項1〜14のうちのいずれか1項に記載の偏向可能カテーテル。
- 前記内側カテーテルの先端部は偏向し、前記外側カテーテルの先端部は偏向しない、請求項1〜15のいずれか1項に記載の偏向可能カテーテル。
- 前記内側カテーテルは、ガイドワイヤを受け入れるルーメンを有する、請求項1〜16のいずれか1項に記載の偏向可能カテーテル。
- 前記内側カテーテルは、近位端から遠位端まで延び、前記柱状部材の遠位端に隣接して終端するルーメンを有する、請求項1に記載の偏向可能カテーテル。
- 前記柱状部材は、圧縮性であり、中間領域で座屈するように構成されているが、前記補強部材によって制限される、請求項1〜18のいずれか1項に記載の偏向可能カテーテル。
- 前記柱状部材は、前記内側カテーテルに固定された別個のコンポーネントである、請求項1〜19のいずれか1項に記載の偏向可能カテーテル。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261724921P | 2012-11-10 | 2012-11-10 | |
US61/724,921 | 2012-11-10 | ||
US14/064,170 | 2013-10-27 | ||
US14/064,170 US9233225B2 (en) | 2012-11-10 | 2013-10-27 | Coaxial bi-directional catheter |
PCT/US2013/069435 WO2014074986A1 (en) | 2012-11-10 | 2013-11-11 | Coaxial bi-directional catheter |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2015533622A JP2015533622A (ja) | 2015-11-26 |
JP2015533622A5 JP2015533622A5 (ja) | 2016-12-28 |
JP6364016B2 true JP6364016B2 (ja) | 2018-07-25 |
Family
ID=50682395
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015541978A Active JP6364016B2 (ja) | 2012-11-10 | 2013-11-11 | 同軸両方向カテーテル |
Country Status (5)
Country | Link |
---|---|
US (9) | US9233225B2 (ja) |
EP (1) | EP2916903B1 (ja) |
JP (1) | JP6364016B2 (ja) |
CA (1) | CA2890745C (ja) |
WO (1) | WO2014074986A1 (ja) |
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US20150374955A1 (en) | 2015-12-31 |
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CA2890745A1 (en) | 2014-05-15 |
CA2890745C (en) | 2023-02-28 |
US10086167B2 (en) | 2018-10-02 |
US10071224B2 (en) | 2018-09-11 |
US20170113020A1 (en) | 2017-04-27 |
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