JP4754584B2 - 灌注可能な先端部を有するカテーテル - Google Patents
灌注可能な先端部を有するカテーテル Download PDFInfo
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- JP4754584B2 JP4754584B2 JP2008002995A JP2008002995A JP4754584B2 JP 4754584 B2 JP4754584 B2 JP 4754584B2 JP 2008002995 A JP2008002995 A JP 2008002995A JP 2008002995 A JP2008002995 A JP 2008002995A JP 4754584 B2 JP4754584 B2 JP 4754584B2
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- 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
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- 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
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- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
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- 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
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- A—HUMAN NECESSITIES
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- 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
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Description
(A)外壁部と、基端部および先端部と、これらを貫通する単一の中心内孔を有するカテーテル本体部と、
前記カテーテル本体部の基端部に配置される制御ハンドルと、
基端部および先端部と、これらを貫通する少なくとも1個の内孔を有する柔軟性チューブのセグメントから成る先端部位とから成り、当該先端部位の基端部が前記カテーテル本体部の先端部に固定して取り付けられており、さらに、
前記先端部位のチューブの先端部に固定して取り付けられた先端電極から成り、当該先端電極が前記先端部位の内孔と流体を介して連通する少なくとも1個の流体通路を有しており、さらに、
基端部および先端部を有する注入チューブから成り、当該注入チューブが前記カテーテル本体部における中心内孔の中を貫走しており、当該注入チューブの先端部が前記先端電極の流体通路の基端部と流体を介して連通することによって、流体が注入チューブから、先端電極の流体通路を介して、当該先端電極の外表面に流れることができ、さらに、
前記制御ハンドルを操作することにより前記先端部位を偏向するための手段から成ることを特徴とする灌注可能な先端部を有する操作可能なカテーテル。
(1)前記流体通路が前記先端部位を貫通して当該先端部位の外表面に至る少なくとも1個の長手方向の通路から成る実施態様(A)に記載のカテーテル。
(2)前記流体通路が少なくとも1個の横方向の通路から成る実施態様(A)に記載のカテーテル。
(3)前記流体通路が少なくとも1個の長手方向の通路と少なくとも1個の横方向の通路との組み合わせから成る実施態様(A)に記載のカテーテル。
(4)前記先端電極が多孔質であって、前記流体通路が当該先端電極の多孔質性による内部連通によって形成されている実施態様(A)に記載のカテーテル。
(5)前記注入チューブの先端部が前記先端部位における内孔に延出して液体を介して連通し、さらに、前記先端電極における流体通路に流体を介して連通しており、これによって、流体が注入チューブから、先端部位の内孔および流体通路を介して、先端電極の外表面に流れる実施態様(A)に記載のカテーテル。
第1の注入チューブセグメントが基端部および先端部を有しており、当該先端部が前記先端部位の内孔に流体を介して連通し、さらに、前記先端電極における流体通路に流体を介して連通しており、
第2の注入チューブセグメントが、前記第1の注入チューブセグメントが延出している前記先端部位の内孔の先端部から前記先端電極における流体通路内に延出しており、これによって、流体が第1注入チューブセグメントから、先端部位の内孔、第2注入チューブセグメントおよび流体通路を介して、先端電極の外表面に流れる実施態様(A)に記載のカテーテル。
(7)前記注入チューブが前記先端部位の内孔の中を貫走して前記先端電極における流体通路の先端部において係留されている実施態様(A)に記載のカテーテル。
(8)前記注入チューブの基端部がルアハブ内に収容されている実施態様(A)に記載のカテーテル。
(9)前記注入チューブの基端部が前記制御ハンドルの基端部から延出している実施態様(A)に記載のカテーテル。
(10)前記注入チューブの基端部が前記カテーテル本体部の側面から延出している実施態様(A)に記載のカテーテル。
(12)前記制御ハンドルが前記カテーテル本体部の基端部に固定して取り付けられている第1の部材と、当該第1の部材に対して移動可能な第2の部材とから成る実施態様(A)に記載のカテーテル。
(13)前記偏向手段が基端部および先端部を有する引張りワイヤを備えており、当該引張りワイヤが前記制御ハンドルから前記カテーテル本体部を介して前記先端部位の内孔に延在しており、前記引張りワイヤの先端部が前記先端部位内に固定されており、前記引っ張りワイヤの基端部が前記制御ハンドルの第2部材に固定されており、これによって、制御ハンドルの第1部材を制御ハンドルの第2部材に対して操作することにより、引張りワイヤをカテーテル本体部に対して移動して先端部位を偏向する実施態様(12)に記載のカテーテル。
(14)前記偏向手段がさらに前記引張りワイヤを囲むように前記カテーテル本体部内に延在する圧縮コイルから成る実施態様(13)に記載のカテーテル。
(15)さらに、温度感知手段から成る実施態様(A)に記載のカテーテル。
(17)さらに、電磁マッピングセンサーの位置を示す電気的信号を発生するために先端部位の先端部に配置された電磁センサーと、当該電磁センサーを画像処理システムに接続するための手段とから成る実施態様(A)に記載のカテーテル。
(18)前記電磁センサーを画像処理システムに接続するための手段が当該電磁マッピングセンサーに電気的に取り付けられて、前記先端部位の内孔から前記カテーテル本体部の内孔を経て前記制御ハンドルに延出するセンサーケーブルから成る実施態様(17)に記載のカテーテル。
(19)さらに、先端部および基端部を有する管状ハウジングから成り、当該管状ハウジングの先端部が前記先端電極の基端部に固定して取り付けられており、当該管状ハウジングの基端部が前記先端部位の柔軟性チューブの先端部に固定して取り付けられており、これによって、少なくとも前記電磁センサーの一部分が前記管状ハウジング内に収容されている実施態様(17)に記載のカテーテル。
(20)前記カテーテル本体部の外壁部がポリウレタンまたはPEBAXから成る実施態様(A)に記載のカテーテル。
(22)前記カテーテル本体部がさらに前記外壁部の内側に張られる内側剛性賦与チューブから成る実施態様(A)に記載のカテーテル。
(23)前記剛性賦与チューブがポリイミドから成る実施態様(22)に記載のカテーテル。
(24)前記先端部位の柔軟性チューブがポリウレタンにより形成されている実施態様(A)に記載のカテーテル。
(B)外壁部と、基端部および先端部と、これらを貫通する単一の中心内孔を有するカテーテル本体部と、
前記カテーテル本体部の基端部に配置される制御ハンドルと、
基端部および先端部と、これらを貫通する少なくとも1個の内孔を有する柔軟性チューブから成る先端部位とから成り、当該先端部位の基端部が前記カテーテル本体部の先端部に固定して取り付けられており、さらに、
前記先端部位の柔軟性チューブの先端部に固定して取り付けられた先端電極から成り、当該先端電極が前記先端部位の内孔と流体を介して連通する少なくとも1個の流体通路を有しており、さらに、
基端部および先端部を有する注入チューブから成り、当該注入チューブが前記カテーテル本体部における中心内孔の中を貫走しており、当該注入チューブの先端部が前記先端電極の流体通路の基端部と流体を介して連通することによって、流体が注入チューブから、先端電極の流体通路を介して、当該先端電極の外表面に流れることができ、さらに、
基端部および先端部を有する電磁センサーから成り、当該センサーが前記先端部位内に配置されており、さらに、
前記電磁センサーを画像処理システムに接続するための手段と、
前記制御ハンドルを操作することにより前記先端部位を偏向するための手段とから成ることを特徴とする灌注可能な先端部を有する操作可能なカテーテル。
(25)前記流体通路が前記先端部位を貫通して当該先端部位の外表面に至る少なくとも1個の長手方向の通路から成る実施態様(B)に記載のカテーテル。
(27)前記流体通路が少なくとも1個の長手方向の通路と少なくとも1個の横方向の通路との組み合わせから成る実施態様(B)に記載のカテーテル。
(28)前記電磁センサーを画像処理システムに接続するための手段が当該電磁センサーに接続されたセンサーケーブルから成り、当該センサーケーブルが前記先端部位から、前記カテーテル本体部の中心内孔を介して、前記制御ハンドル内に延出している実施態様(B)に記載のカテーテル。
(29)前記電磁センサーの先端部が前記先端電極におけるめくら穴の中に配置されている実施態様(B)に記載のカテーテル。
(30)さらに、先端部および基端部を有する管状ハウジングから成り、当該管状ハウジングの先端部が前記先端電極の基端部に固定して取り付けられており、当該管状ハウジングの基端部が前記先端部位の柔軟性チューブの先端部に固定して取り付けられており、これによって、少なくとも前記電磁センサーの一部分が前記管状ハウジング内に収容されている実施態様(B)に記載のカテーテル。
(32)前記カテーテル本体部が約7.5フレンチの直径を有している実施態様(B)に記載のカテーテル。
(C)外壁部と、基端部および先端部と、これらを貫通する単一の中心内孔を有するカテーテル本体部と、
前記カテーテル本体部の基端部に配置される制御ハンドルとから成り、当該制御ハンドルが前記カテーテル本体部の基端部に固定して取り付けられた第1の部材と、当該第1の部材に対して移動可能な少なくとも2個の第2の部材を備えており、さらに、
基端部および先端部と、これらを貫通する少なくとも1個の内孔を有する柔軟性チューブから成る先端部位から成り、当該先端部位の基端部が前記カテーテル本体部の先端部に固定して取り付けられており、さらに、
前記先端部位の先端部に固定して取り付けられた先端電極から成り、当該先端電極が前記先端部位の内孔と流体を介して連通する少なくとも1個の流体通路を有しており、さらに、
基端部および先端部を有する注入チューブから成り、当該注入チューブが前記カテーテル本体部における中心内孔の中を貫走しており、当該注入チューブの先端部が前記先端電極の流体通路の基端部と流体を介して連通することによって、流体が注入チューブから、先端電極の流体通路を介して、当該先端電極の外表面に流れることができ、さらに、
基端部および先端部を有する少なくとも2個の引張りワイヤから成り、各引張りワイヤの基端部が前記制御ハンドル内の1個の分離した第2の部材に係留されており、各引張りワイヤの先端部が前記先端部位内の1個の分離した係留位置に係留されており、
これによって、前記第1の部材に対して選択された第2の部材を移動することにより、当該選択された第2の部材に係留される引張りワイヤの前記先端部位内の係留位置の方向に前記先端部位を偏向することができることを特徴とする灌注可能な先端部を有する多数方向に操作可能なカテーテル。
(33)前記流体通路が前記先端電極から当該先端電極の外表面に延出する少なくとも1個の長手方向の通路から成る実施態様(C)に記載のカテーテル。
(34)前記流体通路が前記先端電極から当該先端電極の外表面に延出する少なくとも1個の横方向の通路から成る実施態様(C)に記載のカテーテル。
(35)前記流体通路が少なくとも1個の長手方向の通路と少なくとも1個の横方向の通路との組み合わせから成る実施態様(C)に記載のカテーテル。
(37)前記引張りワイヤが前記先端電極における別々の場所に係留されている実施態様(C)に記載のカテーテル。
(38)前記引張りワイヤが前記先端部位において対向する1/4面内に係留されている実施態様(C)に記載のカテーテル。
(39)前記引張りワイヤが前記柔軟性チューブの長さ方向に沿う少なくとも2個の異なる選択された場所において前記先端部位内に係留されている実施態様(C)に記載のカテーテル。
(40)さらに、前記カテーテル本体部において、各引張りワイヤを囲むように配置された圧縮コイルから成る実施態様(C)に記載のカテーテル。
14 先端部位
16 制御ハンドル
36 先端電極
42 偏向手段(引張りワイヤ)
88 注入チューブ(第1セグメント)
89 注入チューブ(第2セグメント)
Claims (17)
- 灌注可能な先端部を有する操作可能なカテーテルにおいて、
外壁部と、基端部および先端部と、これらを貫通する少なくとも一つの中心内孔を有するカテーテル本体部と、
前記カテーテル本体部の基端部に配置される制御ハンドルと、
基端部および先端部と、これらを貫通する少なくとも1個の内孔を有する柔軟性チューブを有する先端部位であって、当該先端部位の基端部が前記カテーテル本体部の先端部に固定して取り付けられている、先端部位と、
前記先端部位の柔軟性チューブの先端部に固定して取り付けられた先端電極であって、当該先端電極が前記先端部位の内孔と流体を介して連通する少なくとも1個の流体通路を有する、先端電極と、
基端部および先端部を有する注入チューブであって、当該注入チューブが前記カテーテル本体部における中心内孔の中を貫走しており、当該注入チューブの先端部が前記先端電極の流体通路の基端部と流体を介して連通することによって、流体が注入チューブから、先端電極の流体通路を介して、当該先端電極の外表面に流れることができる、注入チューブと、
基端部および先端部を有する電磁センサーであって、当該センサーが前記先端部位内に配置されている、電磁センサーと、
前記電磁センサーを画像処理システムに接続するための手段と、
前記制御ハンドルを操作することにより前記先端部位を偏向するための手段と、
を具備し、
前記先端部位を偏向するための手段の先端部は、前記先端電極に形成された穴内に係留されており、
前記カテーテル本体部がさらに前記外壁部の内側に張られる内側剛性賦与チューブから成り、該内側剛性賦与チューブは、前記先端部位の基端部との間にスペーサーを配置して設けられている、カテーテル。 - 前記流体通路が前記先端部位を貫通して当該先端部位の外表面に至る少なくとも1個の長手方向の通路から成る請求項1に記載のカテーテル。
- 前記流体通路が少なくとも1個の横方向の通路から成る請求項1に記載のカテーテル。
- 前記流体通路が少なくとも1個の長手方向の通路と少なくとも1個の横方向の通路との組み合わせから成る請求項1に記載のカテーテル。
- 前記先端電極が多孔質であって、前記流体通路が当該先端電極の多孔質性による内部連通によって形成されている請求項1に記載のカテーテル。
- 前記注入チューブの基端部がルアハブ内に収容されている請求項1に記載のカテーテル。
- 前記注入チューブの基端部が前記制御ハンドルの基端部から延出している請求項1に記載のカテーテル。
- 前記先端部位がこれを貫通する3個の内孔を有している請求項1に記載のカテーテル。
- 前記制御ハンドルが前記カテーテル本体部の基端部に固定して取り付けられている第1の部材と、当該第1の部材に対して移動可能な第2の部材とから成る請求項1に記載のカテーテル。
- 前記偏向手段が基端部および先端部を有する引張りワイヤを備えており、当該引張りワイヤが前記制御ハンドルから前記カテーテル本体部を介して前記先端部位の内孔に延在しており、前記引っ張りワイヤの基端部が前記制御ハンドルの第2部材に固定されており、これによって、制御ハンドルの第1部材を制御ハンドルの第2部材に対して操作することにより、引張りワイヤをカテーテル本体部に対して移動して先端部位を偏向する請求項9に記載のカテーテル。
- 前記偏向手段がさらに前記引張りワイヤを囲むように前記カテーテル本体部内に延在する圧縮コイルから成る請求項10に記載のカテーテル。
- さらに、温度感知手段から成る請求項1に記載のカテーテル。
- 前記温度感知手段が銅線およびコンスタンタン線から成るエナメル線対により形成されている熱電対から成り、当該線対がカテーテル本体部の内孔から、前記先端部位の内孔を介して、前記先端電極におけるめくら穴の中に固定して取り付けられている請求項12に記載のカテーテル。
- 前記カテーテル本体部の外壁部がポリウレタンまたはPEBAXから成る請求項1に記載のカテーテル。
- 前記カテーテル本体部の外壁部が埋め込まれたステンレススチール編みメッシュから成る請求項1に記載のカテーテル。
- 前記剛性賦与チューブがポリイミドから成る請求項1に記載のカテーテル。
- 前記先端部位の柔軟性チューブがポリウレタンにより形成されている請求項1に記載のカテーテル。
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US08/982,113 US6120476A (en) | 1997-12-01 | 1997-12-01 | Irrigated tip catheter |
US982113 | 1997-12-01 |
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JP35380098A Division JP4209019B2 (ja) | 1997-12-01 | 1998-11-30 | 灌注可能な先端部を有するカテーテル |
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JP2008002995A Expired - Lifetime JP4754584B2 (ja) | 1997-12-01 | 2008-01-10 | 灌注可能な先端部を有するカテーテル |
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US (2) | US6120476A (ja) |
EP (1) | EP0928601B1 (ja) |
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-
1997
- 1997-12-01 US US08/982,113 patent/US6120476A/en not_active Expired - Lifetime
-
1998
- 1998-11-30 EP EP98309803A patent/EP0928601B1/en not_active Expired - Lifetime
- 1998-11-30 JP JP35380098A patent/JP4209019B2/ja not_active Expired - Lifetime
- 1998-11-30 DE DE69837652T patent/DE69837652T2/de not_active Expired - Lifetime
-
2000
- 2000-02-15 US US09/502,359 patent/US6602242B1/en not_active Expired - Lifetime
-
2008
- 2008-01-10 JP JP2008002995A patent/JP4754584B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2008136875A (ja) | 2008-06-19 |
EP0928601B1 (en) | 2007-04-25 |
EP0928601A1 (en) | 1999-07-14 |
JPH11262530A (ja) | 1999-09-28 |
JP4209019B2 (ja) | 2009-01-14 |
US6120476A (en) | 2000-09-19 |
DE69837652D1 (de) | 2007-06-06 |
DE69837652T2 (de) | 2008-01-03 |
US6602242B1 (en) | 2003-08-05 |
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