JP4907351B2 - 撓み可能なカテーテル組立体およびそれを製造する方法 - Google Patents
撓み可能なカテーテル組立体およびそれを製造する方法 Download PDFInfo
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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
- A61M25/0133—Tip steering devices
- A61M25/0136—Handles therefor
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- A61M25/00—Catheters; Hollow probes
- A61M25/0009—Making of catheters or other medical or surgical tubes
- A61M25/0012—Making of catheters or other medical or surgical tubes with embedded structures, e.g. coils, braids, meshes, strands or radiopaque coils
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- A61M25/00—Catheters; Hollow probes
- A61M25/0009—Making of catheters or other medical or surgical tubes
- A61M25/0013—Weakening parts of a catheter tubing, e.g. by making cuts in the tube or reducing thickness of a layer at one point to adjust the flexibility
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61M25/00—Catheters; Hollow probes
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M25/0054—Catheters; Hollow probes characterised by structural features with regions for increasing flexibility
-
- 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
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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
- 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
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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
- A61M25/0133—Tip steering devices
- A61M25/0152—Tip steering devices with pre-shaped mechanisms, e.g. pre-shaped stylets or pre-shaped outer tubes
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- A61M25/00—Catheters; Hollow probes
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
- A61M25/0026—Multi-lumen catheters with stationary elements
- A61M2025/004—Multi-lumen catheters with stationary elements characterized by lumina being arranged circumferentially
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- A61M25/00—Catheters; Hollow probes
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M2025/0063—Catheters; Hollow probes characterised by structural features having means, e.g. stylets, mandrils, rods or wires to reinforce or adjust temporarily the stiffness, column strength or pushability of catheters which are already inserted into the human 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
- A61M25/0082—Catheter tip comprising a tool
- A61M25/0084—Catheter tip comprising a tool being one or more injection needles
- A61M2025/0089—Single injection needle protruding axially, i.e. along the longitudinal axis of the catheter, from the distal tip
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61M25/00—Catheters; Hollow probes
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0082—Catheter tip comprising a tool
- A61M25/0084—Catheter tip comprising a tool being one or more injection needles
- A61M2025/0089—Single injection needle protruding axially, i.e. along the longitudinal axis of the catheter, from the distal tip
- A61M2025/009—Single injection needle protruding axially, i.e. along the longitudinal axis of the catheter, from the distal tip the needle having a bent tip, i.e. the needle distal tip is angled in relation to the longitudinal axis of the catheter
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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
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0082—Catheter tip comprising a tool
- A61M2025/0096—Catheter tip comprising a tool being laterally outward extensions or tools, e.g. hooks or fibres
-
- 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
- A61M2025/015—Details of the distal fixation of the movable mechanical means
-
- 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
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
- A61M25/0026—Multi-lumen catheters with stationary elements
- A61M25/0029—Multi-lumen catheters with stationary elements characterized by features relating to least one lumen located at the middle part of the catheter, e.g. slots, flaps, valves, cuffs, apertures, notches, grooves or rapid exchange ports
-
- 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
- A61M25/0051—Catheters; Hollow probes characterised by structural features with embedded materials for reinforcement, e.g. wires, coils, braids made from fenestrated or weakened tubing layer
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Description
別の実施形態では、撓み可能なカテーテルが多数の半径方向の撓み方向を持つ撓み可能な遠位部分を有するために、多テンドン装置が使用される。カテーテルシャフト内には、複数のテンドンが配置されており、複数のテンドンはカテーテルシャフトの第1腔内に配置されている。変更例として、各テンドンは複数の腔から選択された個々の腔に配置されている。各テンドンはカテーテル近位部分のところではカテーテルシャフトのほぼ中心に位置決めされており、また各テンドンはカテーテル遠位部分のところではカテーテルシャフトの中心を半径方向に外れて配置されている。複数のテンドンはカテーテル遠位部分を多数の半径方向に撓ませることができる。カテーテル取っ手はカテーテル遠位部分を撓ませるために複数のテンドンを移動させるための機構を有しており、カテーテル取っ手は多数の撓み半径方向を可能にする。
別の実施形態では、撓み可能なカテーテル組立体は、ニードルの侵入深さを監視するのを助けるためにニードルに連結された圧力変換器を有している。
前記の実施形態の特徴は添付の請求項に詳細に述べられている。これらの実施形態は同様な部分が同様な参照符号により示される下記の説明および添付図面を参照することにより最良に理解されるであろう。
カテーテルシャフト101が形成された後、マンドレルを取り出すことができる。マンドレルの取り出し後、腔は空になる。次いで、必要なら、カテーテル組立体100の内部構成部品をカテーテルシャフト101内に配置することができる。必要なら、カテーテルシャフト101の釣り合いを維持するために、不占有腔に腔充填材を充填することができる。
ストラット328、332、338、342の主な機能は圧縮ケージ122に柱状強度を与えることである。引張荷重が操向テンドン130に加えられてカテーテル遠位部分102の撓みを誘発すると、荷重の反作用が圧縮ケージ122内でストラット328、332、338、342により移送され、そしてカテーテル近位部分104に伝達される。圧縮ケージ122は、一対の対向しているストラット328、332、338または342が位置決めされている平面に対して垂直である方向に最も容易に横方向に撓む。
圧縮ケージ122は、溶融接合、接着または幾つかの同等な機械的結合技術により遠位カテーテルシャフト120の内面に取付けられてもよい。変更例として、圧縮ケージ122は遠位カテーテルジャケット120と組み合わされて1つの一体構成部品とされてもよい。変更例として、圧縮ケージ122は、その遠位端部および近位端部が対向したストラット328、332、338、342を介して軸方向荷重を伝達するように連結されているならば、遠位カテーテルシャフト118内に緩く存在してもよい。一実施形態では、熱源は、圧縮ケージ122の遠位部分122−Dおよび近位部分122−Pの上方に付与されるだけであって、ポリマーのみが溶融してこれらの2つの部分の中に入るようになっている。かくして、圧縮ケージ122は遠位部分122−Dと近位部分122−Pとの間の部分に緩く位置する。
幾つかの用途では、正確な回転応答が達成すべき魅力的な性能基準である。心臓の左心室における梗塞帯域への局部的な薬剤の送出しのような治療は予想可能な空間的投与を必要とする。従って、ニードルのような治療器具を互いから一定の間隔(例えば、1cm)以内の多数の目標部位に送出すことができることが重要である。プルワイヤは、緊張下でカテーテルシャフトの一方の側を圧縮状態にする。これにより、潜在的に、シャフトのウイッピングを生じ、その結果、カテーテルの未制御の回転運動が生じる。
以下に論述する模範的な実施形態は、多数の撓み方向を有するカテーテル組立体を説明する図45ないし図52を参照して説明するものである。これらの実施形態によれば、カテーテル組立体はカテーテルシャフトのまわりに360度、多数の方向またはあらゆる方向に撓む。これにより、カテーテルシャフトを回す必要が無くなる。図45ないし図52の実施形態は、使用し易いカテーテル組立体にあり、そして正確な治療投与で3D空洞内のあらゆる目標部位に届くことが可能である。
Claims (10)
- カテーテル近位部分およびカテーテル遠位部分を有しているカテーテルシャフトを備えており、前記カテーテル遠位部分は前記カテーテル近位部分より可撓性であり、
前記カテーテルシャフトの第1腔内に配置されたテンドンを備えており、前記第1腔は前記カテーテル近位部分のところでは前記カテーテルシャフト内に中央に位置決めされており、また前記第1腔は前記カテーテル遠位部分のところでは前記カテーテルシャフトの中心を外れて位置決めされており、前記テンドンは、引っ張られると、前記カテーテル遠位部分を撓ませることができ、
前記カテーテルシャフトの第2腔内に配置されたニードルを備えており、前記第2腔は前記カテーテル近位部分のところでは前記カテーテルシャフトの中心を外れて位置決めされており、また前記第2腔は前記カテーテル遠位部分のところでは前記カテーテルシャフト内に中央に位置決めされており、
前記カテーテルシャフトに連結されたカテーテル取っ手を備えており、前記カテーテル取っ手は前記テンドンを制御するために第1制御機構を有している、撓み可能なカテーテル組立体。 - カテーテル近位部分およびカテーテル遠位部分を有しているカテーテルシャフトを備えており、前記カテーテル遠位部分は前記カテーテル近位部分より可撓性であり、
前記カテーテルシャフトの第1腔内に配置されたテンドンを備えており、前記第1腔は前記カテーテル近位部分のところでは前記カテーテルシャフト内にほぼ中央に位置決めされており、また前記第1腔は前記カテーテル遠位部分のところでは前記カテーテルシャフトの内側側壁部に近接して位置決めされており、前記テンドンは、引っ張られると、前記カテーテル遠位部分を撓ませることができ、
前記カテーテルシャフトの第2腔内に配置された剛性化部材を備えており、前記第2腔は少なくとも前記カテーテル遠位部分のところで前記第1腔と平行に延びており、
前記カテーテルシャフトの第3腔内に配置されたニードルを備えており、前記第3腔は前記カテーテル近位部分のところでは前記カテーテルシャフトの中心を外れて位置決めされており、また前記第3腔は前記カテーテル遠位部分のところでは前記カテーテルシャフト内に中央に位置決めされており、
前記カテーテルシャフトに連結されたカテーテル取っ手を備えており、前記カテーテル取っ手は前記テンドンを制御するための第1制御機構と、前記剛性化部材を制御するための第2制御機構とを有している、撓み可能なカテーテル組立体。 - カテーテル近位部分およびカテーテル遠位部分を有しているカテーテルシャフトを備えており、前記カテーテル遠位部分は前記カテーテル近位部分より可撓性であり、
前記カテーテルシャフトの第1腔内に配置されたテンドンを備えており、前記第1腔は前記カテーテル近位部分のところでは前記カテーテルシャフト内にほぼ中央に位置決めされており、また前記第1腔は前記カテーテル遠位部分のところでは前記カテーテルシャフトの中心を外れて位置決めされており、前記テンドンは、引っ張られると、前記カテーテル遠位部分を撓ませることができ、
前記カテーテルシャフトの第2腔内に配置されたニードルを備えており、前記第2腔は前記カテーテル近位部分のところでは前記カテーテルシャフトの中心を外れて位置決めされており、また前記第2腔は前記カテーテル遠位部分のところでは前記カテーテルシャフト内に中央に位置決めされており、
前記カテーテルシャフトのまわりに移動可能に配置されていて、カテーテル近位部分から撓み点の始まりを定める前記カテーテル遠位部分に沿った点まで延びている剛性化外側シースと、
前記カテーテルシャフトに連結されたカテーテル取っ手と、を備えており、前記カテーテル取っ手は前記テンドンを制御するための第1制御機構と、前記剛性化外側シースを制御するための第2制御機構とを有している、撓み可能なカテーテル組立体。 - カテーテル近位部分およびカテーテル遠位部分を有しているカテーテルシャフトを備えており、前記カテーテル遠位部分は前記カテーテル近位部分より可撓性であり、
前記カテーテルシャフトの第1腔内に配置された固定テンドン組立体を備えており、前記第1腔は前記カテーテルシャフト内にほぼ中央に配置されており、また前記第1腔は前記カテーテルシャフトの第1部分に沿って延びており、前記第1部分は前記カテーテル近位部分と実質的に整合されており、前記固定テンドン組立体は更に前記第1腔の外側に延びている複数のアンカーを有しており、
前記カテーテルシャフトの第2腔内に配置された横方向テンドン組立体を備えており、前記第2腔は前記カテーテルシャフトの中心をほぼ外れて位置決めされており、前記第2腔は前記カテーテル近位部分と実質的に整合されており、前記横方向テンドンは更に前記第2腔の外側に延びているアンカーフックを有しており、前記アンカーフックは前記複数のアンカーのうちのいずれか1つに係合することが可能であり、前記複数のアンカーのうちの1つとの前記アンカーフックの係合により、撓み点の始まりを定め、前記横方向テンドン組立体を引っ張ることにより前記カテーテル遠位部分を撓ませ、
前記カテーテルシャフトの第3腔内に配置されたニードルを備えており、前記第3腔は前記カテーテル近位部分のところでは前記カテーテルシャフトの中心を外れて位置決めされており、また前記第3腔は前記カテーテル遠位部分のところでは前記カテーテルシャフト内に中央に位置決めされており、
前記カテーテルシャフトに連結されたカテーテル取っ手を備えており、前記カテーテル取っ手は前記横方向テンドンを制御するための第1制御機構を有している、撓み可能なカテーテル組立体。 - カテーテル近位部分およびカテーテル遠位部分を有しているカテーテルシャフトを備えており、前記カテーテル遠位部分は前記カテーテル近位部分より可撓性であり、
前記カテーテルシャフトの第1腔内に配置されたテンドンを備えており、前記第1腔は前記カテーテル近位部分のところでは前記カテーテルシャフト内にほぼ中央に位置決めされており、また前記第1腔は前記カテーテル遠位部分のところでは前記カテーテルシャフトの中心を外れて位置決めされており、前記テンドンは、引っ張られると、前記カテーテル遠位部分を撓ませることができ、
前記カテーテルシャフトの第2腔内に配置されたニードルを備えており、前記第2腔は前記カテーテル近位部分のところでは前記カテーテルシャフトの中心を外れて位置決めされており、また前記第2腔は前記カテーテル遠位部分のところでは前記カテーテルシャフト内に中央に位置決めされており、
前記カテーテルシャフトに連結されたカテーテル取っ手を備えており、前記カテーテル取っ手は前記テンドンを制御する第1制御機構を有しており、前記カテーテル取っ手は更に、
互いに対して移動可能な内側ハウジングおよび外側ハウジングを備えており、
前記第1制御機構は前記内側ハウジング内に移動可能に配置されており、前記第1制御機構は前記外側ハウジングに固定的に取付けられ、かつ前記テンドンに連結されており、前記内側ハウジングに対して前記外側ハウジングを移動させることにより、前記第1制御機構および前記テンドンを移動させる、撓み可能なカテーテル組立体。 - カテーテル近位部分およびカテーテル遠位部分を有しているカテーテルシャフトを備えており、前記カテーテル遠位部分は前記カテーテル近位部分より可撓性であり、
前記カテーテルシャフト内に配置された複数のテンドンを備えており、前記複数のテンドンは前記カテーテルシャフト内に配置されており、前記複数のテンドンは前記カテーテル近位部分のところでは前記カテーテルシャフト内にほぼ中央に位置決めされており、また前記複数のテンドンの各々は前記カテーテル遠位部分のところでは前記カテーテルシャフトの中心を半径方向に外れて配置されており、前記複数のテンドンは前記カテーテル遠位部分を多数の半径方向に撓ませることができ、
前記カテーテルシャフトの第1腔内に配置されたニードルを備えており、前記第1腔は前記カテーテル近位部分のところでは前記カテーテルシャフトの中心を外れて位置決めされており、また前記第1腔は前記カテーテル遠位部分のところでは前記カテーテルシャフト内に中央に位置決めされており、
前記カテーテル近位部分のところで前記カテーテルシャフトに連結されたカテーテル取っ手を備えており、前記カテーテル取っ手は前記カテーテル遠位部分を撓ませるために前記複数のテンドンを移動させる機構を有しており、前記カテーテル取っ手は多数の半径方向撓み方向を可能にする、撓み可能なカテーテル組立体。 - カテーテル近位部分およびカテーテル遠位部分を有しているカテーテルシャフトを備えており、前記カテーテル遠位部分は前記カテーテル近位部分より可撓性であり、
前記カテーテルシャフトの第1腔内に配置されたテンドンを備えており、前記第1腔は前記カテーテル近位部分のところでは前記カテーテルシャフト内にほぼ中央に位置決めされており、また前記第1腔は前記カテーテル遠位部分のところでは前記カテーテルシャフトの中心を外れて位置決めされており、前記テンドンは、引っ張られると、前記カテーテル遠位部分を撓ませることができ、
前記カテーテルシャフトの第2腔内に配置されたニードルを備えており、前記第2腔は前記カテーテル近位部分のところでは前記カテーテルシャフトの中心を外れて位置決めされており、また前記第2腔は前記カテーテル遠位部分のところでは前記カテーテルシャフト内に中央に位置決めされており、
近位端部、遠位端部およびこれらの端部間の腔を有する圧縮ケージを備えており、前記圧縮ケージは前記カテーテル遠位部分内に嵌るように寸法決めされていて、前記カテーテルシャフトの中心線に対して横方向に撓み、且つ前記中心線に沿った軸方向の圧縮を阻止するように構成されており、
前記カテーテルシャフトに連結されたカテーテル取っ手を備えており、前記カテーテル取っ手は前記テンドンを制御するための第1制御機構を有している、撓み可能なカテーテル組立体。 - 撓み可能なカテーテル組立体を製造する方法であって、
カテーテルシャフト内に設けられた第1腔内にテンドンを配置し、前記テンドンは、前記カテーテルシャフトのカテーテル近位部分内の略中央に配置され、前記テンドンは、前記カテーテルシャフトのカテーテル遠位部分内に中心を外れて配置され、
前記カテーテルシャフトの第2腔内にニードルを配置し、前記第2腔は前記カテーテル近位部分のところでは前記カテーテルシャフトの中心を外れて位置決めされており、また前記第2腔は前記カテーテル遠位部分のところでは前記カテーテルシャフト内に中央に位置決めされており、
前記カテーテル近位部分においてカテーテル取っ手を前記カテーテルシャフトに連結し、前記カテーテル取っ手は前記テンドンを制御するための第1制御機構を有している、撓み可能なカテーテル組立体を製造する方法。 - 撓み可能なカテーテル組立体を製造する方法であって、
カテーテルシャフト内に設けられた第1腔内に固定テンドン組立体を配置し、前記第1腔は前記カテーテルシャフト内にほぼ中央に位置決めされていて、前記カテーテルシャフトの第1部分に沿って延びており、前記固定テンドン組立体は前記第1腔の外側に延びている複数のアンカーを有しており、
カテーテルシャフト内に設けられた第2腔内に横方向テンドン組立体を配置し、前記第2腔は前記カテーテルシャフトの中心をほぼ外れて位置決めされていて、前記カテーテルシャフトの前記第1部分に沿って延びており、前記横方向テンドン組立体は前記第2腔の外側に延びているアンカーフックを有しており、前記アンカーフックは前記複数のアンカーのうちのいずれか1つに係合することが可能であり、前記複数のアンカーのうちのいずれか1つとの前記アンカーフックの係合により、前記カテーテル遠位部分のための撓み点の始まりを定め、前記横方向テンドン組立体を引っ張ることにより、前記カテーテル遠位部分を前記撓み点のところで撓ませ、
前記カテーテルシャフトの第3腔内にニードルを配置し、前記第3腔は前記カテーテル近位部分のところでは前記カテーテルシャフトの中心を外れて位置決めされており、また前記第3腔は前記カテーテル遠位部分のところでは前記カテーテルシャフト内に中央に位置決めされており、
カテーテル取っ手を前記カテーテルシャフトに連結し、前記カテーテル取っ手は前記横方向テンドンを制御するための第1制御機構を有している、撓み可能なカテーテル組立体を製造する方法。 - 撓み可能なカテーテル組立体を製造する方法であって、
カテーテルシャフト内に複数のテンドンを配置し、前記複数のテンドンは前記カテーテルシャフト内に配置され、前記複数のテンドンは前記カテーテルシャフト内のカテーテル近位部分のところでは前記カテーテルシャフト内にほぼ中央に位置決めされており、前記複数のテンドンの各々は前記カテーテルシャフト内のカテーテル遠位部分のところでは前記カテーテルシャフトの中心を外れて半径方向に分散されており、
前記カテーテルシャフトの第1腔内にニードルを配置し、前記第1腔は前記カテーテル近位部分のところでは前記カテーテルシャフトの中心を外れて位置決めされており、また前記第1腔は前記カテーテル遠位部分のところでは前記カテーテルシャフト内に中央に位置決めされており、
前記複数のテンドンは、前記カテーテル遠位部分を多数の半径方向に撓ませることができ、
カテーテル取っ手を前記カテーテルシャフトに連結し、前記カテーテル取っ手は前記カテーテル遠位部分を撓ませるために前記複数のテンドンを移動させる機構を有しており、前記カテーテル取っ手は多数の半径方向撓み方向を可能にする、撓み可能なカテーテル組立体を製造する方法。
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| PCT/US2004/031403 WO2005032637A2 (en) | 2003-09-30 | 2004-09-23 | Deflectable catheter assembly and method of making same |
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2003
- 2003-09-30 US US10/676,616 patent/US7998112B2/en active Active
- 2003-12-18 US US10/740,725 patent/US8016784B1/en not_active Expired - Fee Related
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101613271B1 (ko) * | 2013-07-19 | 2016-04-18 | 주식회사 현주인테크 | 카테터 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2007507294A (ja) | 2007-03-29 |
| EP2308540A1 (en) | 2011-04-13 |
| EP1673129A2 (en) | 2006-06-28 |
| US7998112B2 (en) | 2011-08-16 |
| ATE524210T1 (de) | 2011-09-15 |
| HK1156555A1 (en) | 2012-06-15 |
| EP2308540B1 (en) | 2014-04-30 |
| ES2492140T3 (es) | 2014-09-08 |
| EP1673129B1 (en) | 2011-09-14 |
| JP2010264280A (ja) | 2010-11-25 |
| WO2005032637A3 (en) | 2005-07-21 |
| JP5228004B2 (ja) | 2013-07-03 |
| US8016784B1 (en) | 2011-09-13 |
| ES2373089T3 (es) | 2012-01-31 |
| US20050070844A1 (en) | 2005-03-31 |
| WO2005032637A2 (en) | 2005-04-14 |
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