JP5123665B2 - 心臓の肺静脈口を切除する予成形した切除カテーテル - Google Patents
心臓の肺静脈口を切除する予成形した切除カテーテル Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1492—Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
- A61B5/6852—Catheters
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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
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0041—Catheters; Hollow probes characterised by the form of the tubing pre-formed, e.g. specially adapted to fit with the anatomy of body channels
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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
- A61M25/0144—Tip steering devices having flexible regions as a result of inner reinforcement means, e.g. struts or rods
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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
- A61M25/0147—Tip steering devices with movable mechanical means, e.g. pull wires
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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
- A61M25/0152—Tip steering devices with pre-shaped mechanisms, e.g. pre-shaped stylets or pre-shaped outer tubes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
- A61B2017/003—Steerable
- A61B2017/00318—Steering mechanisms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
- A61B2017/003—Steerable
- A61B2017/00318—Steering mechanisms
- A61B2017/00323—Cables or rods
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
- A61B2017/003—Steerable
- A61B2017/00318—Steering mechanisms
- A61B2017/00331—Steering mechanisms with preformed bends
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00867—Material properties shape memory effect
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00345—Vascular system
- A61B2018/00351—Heart
- A61B2018/00375—Ostium, e.g. ostium of pulmonary vein or artery
-
- 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
- A61M2025/0161—Tip steering devices wherein the distal tips have two or more deflection regions
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/12—Shape memory
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Description
Claims (33)
- 長手軸を備えた近位シャフト部と、該近位シャフト部から同一線上に延びる遷移区間を有する遠位シャフト部と、を有する細長く柔軟な一体型のカテーテル本体であって、該遠位シャフト部は、真っ直ぐな形状から70°以上曲がる単純曲線に外からの力を加えることなしに動作するよう構成された近位区間と、複雑曲線を形成するよう予成形された中間区間であって、該複雑曲線は近位曲線および遠位曲線を有し、該近位曲線は該単純曲線に対して逆方向に曲がり、かつ該遠位曲線が該単純曲線の面外方向に曲がる中間区間と、実質的に真っ直ぐであるか、又は前記近位シャフト部の長手軸から半径方向外側へ離れる側に頂部を有する単純曲線を形成するよう予成形されている遠位区間と、を備えたカテーテル本体と、
前記遠位区間に担持された少なくとも1の動作部品と、
を具えることを特徴とするカテーテル。 - 前記少なくとも1の動作部品が組織切除部品を具えることを特徴とする請求項1に記載のカテーテル。
- 前記切除部品が、直線状の組織切除部品であることを特徴とする請求項2に記載のカテーテル。
- 前記少なくとも1の動作部品が、診断部品を具えることを特徴とする請求項1に記載のカテーテル。
- さらに、前記近位区間を内部で動かして前記単純曲線を形成するよう動作可能な操作機構を具えることを特徴とする請求項1に記載のカテーテル。
- 前記近位区間が、外部から力が加わらないときに前記単純曲線を形成するよう予成形されていることを特徴とする請求項1に記載のカテーテル。
- 前記単純曲線が偏心しており前記単純曲線の頂部で最小となる曲率半径を有することを特徴とする請求項1に記載のカテーテル。
- 前記単純曲線が、90°以上曲がることを特徴とする請求項1に記載のカテーテル。
- 前記単純曲線が、135°以上曲がることを特徴とする請求項1に記載のカテーテル。
- 前記単純曲線が、180°未満曲がることを特徴とする請求項1に記載のカテーテル。
- 前記近位区間が、放射線不透過性であることを特徴とする請求項1に記載のカテーテル。
- 前記複雑曲線が、前記単純曲線の面に突き出した場合に、少なくとも90°曲がる近位曲線を有することを特徴とする請求項1に記載のカテーテル。
- 前記複雑曲線が、前記単純曲線の面に突き出した場合に、90°から135°の範囲に曲がる近位曲線を有することを特徴とする請求項1に記載のカテーテル。
- 前記複雑曲線が、前記長手軸に対して垂直な面に突き出した場合に、60°から120°の範囲に曲がる遠位曲線を有することを特徴とする請求項1に記載のカテーテル。
- 前記複雑曲線が、前記長手軸に対して垂直な面に突き出した場合に、略90°に曲がる遠位曲線を有することを特徴とする請求項1に記載のカテーテル。
- 前記遠位区間が、前記カテーテル本体の遠位先端部を形成することを特徴とする請求項1に記載のカテーテル。
- 前記遠位区間が、実質的に真っ直ぐであることを特徴とする請求項1に記載のカテーテル。
- 前記遠位区間が、前記近位シャフト部の長手軸から半径方向外側へ離れる側に頂部を有する単純曲線を形成するよう予成形されていることを特徴とする請求項1に記載のカテーテル。
- 前記単純曲線の最小曲率半径が1.25から2.50センチメートルの範囲にあり、前記複雑曲線の最小曲率半径が1.25から3.75センチメートルの範囲にあることを特徴とする請求項1に記載のカテーテル。
- 前記近位区間が2.50から6.50センチメートルの範囲の長さを有し、前記中間区間が0.50から2.00センチメートルの範囲の長さを有し、前記遠位区間が0.50から2.00センチメートルの範囲の長さを有することを特徴とする請求項1に記載のカテーテル。
- 前記遠位シャフト部が、前記近位シャフト部と前記遠位シャフト部の前記近位区間との間に実質的にまっすぐなシャフト遷移区間を有することを特徴とする請求項1に記載のカテーテル。
- 前記近位シャフト部及び前記シャフト遷移区間が、同一線上にあることを特徴とする請求項21に記載のカテーテル。
- 長手軸を具えた近位シャフト部と、内部で動作して解剖学的血管の開口に頂部を挿入可能な単純曲線を形成するよう構成された近位区間と前記単純曲線と逆方向に曲がる曲線を形成するよう予成形された中間区間と前記単純曲線の前記頂部を前記血管口に挿入したときに前記血管口に対して非放射状の関係で置かれるよう構成された遠位区間とを具えた遠位シャフト部と、を有する細長く柔軟な一体型のカテーテル本体と、
前記遠位区間に担持された少なくとも1の動作部品であって、前記単純曲線の前記頂部を前記血管口に挿入したときに前記血管口の近くの組織にしっかりと接触するよう構成された動作部品と、
を具えることを特徴とするカテーテル。 - 前記少なくとも1の動作部品が、組織切除部品を具えることを特徴とする請求項23に記載のカテーテル。
- 前記切除部品が、直線状又は曲線状の組織切除部品であることを特徴とする請求項24に記載のカテーテル。
- 前記少なくとも1の動作部品が、診断部品を具えることを特徴とする請求項23に記載のカテーテル。
- さらに、前記近位区間を内部で動かして前記単純曲線を形成するよう動作可能な操作機構を具えることを特徴とする請求項23に記載のカテーテル。
- 前記近位区間が、外部から力が加わらないときに前記単純曲線を形成するよう予成形されていることを特徴とする請求項23に記載のカテーテル。
- 前記近位区間が、放射線不透過性であることを特徴とする請求項23に記載のカテーテル。
- 前記遠位区間が、前記カテーテル本体の遠位先端部を形成することを特徴とする請求項23に記載のカテーテル。
- 前記非放射状関係が、実質的に接線関係であることを特徴とする請求項23に記載のカテーテル。
- 前記非放射状関係が、前記接線に対して−30°から30°の範囲内にある斜めの関係であることを特徴とする請求項23に記載のカテーテル。
- 前記血管が成人の肺静脈であることを特徴とする請求項23に記載のカテーテル。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/983,072 | 2004-11-04 | ||
US10/983,072 US8409191B2 (en) | 2004-11-04 | 2004-11-04 | Preshaped ablation catheter for ablating pulmonary vein ostia within the heart |
PCT/US2005/039785 WO2006052651A1 (en) | 2004-11-04 | 2005-11-04 | Preshaped ablation catheter for ablating pulmonary vein ostia within the heart |
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Publication Number | Publication Date |
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JP2008518685A JP2008518685A (ja) | 2008-06-05 |
JP5123665B2 true JP5123665B2 (ja) | 2013-01-23 |
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Application Number | Title | Priority Date | Filing Date |
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JP2007539338A Expired - Fee Related JP5123665B2 (ja) | 2004-11-04 | 2005-11-04 | 心臓の肺静脈口を切除する予成形した切除カテーテル |
Country Status (6)
Country | Link |
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US (3) | US8409191B2 (ja) |
EP (1) | EP1807143A1 (ja) |
JP (1) | JP5123665B2 (ja) |
AU (1) | AU2005304983B2 (ja) |
CA (1) | CA2584549A1 (ja) |
WO (1) | WO2006052651A1 (ja) |
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2004
- 2004-11-04 US US10/983,072 patent/US8409191B2/en not_active Expired - Fee Related
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2005
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- 2005-11-04 WO PCT/US2005/039785 patent/WO2006052651A1/en active Application Filing
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US8409191B2 (en) | 2013-04-02 |
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WO2006052651A1 (en) | 2006-05-18 |
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AU2005304983B2 (en) | 2011-09-08 |
AU2005304983A1 (en) | 2006-05-18 |
US20160066993A1 (en) | 2016-03-10 |
US20130184549A1 (en) | 2013-07-18 |
CA2584549A1 (en) | 2006-05-18 |
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