JP6861294B2 - 内側シャフトを含む送達システム - Google Patents
内側シャフトを含む送達システム Download PDFInfo
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- JP6861294B2 JP6861294B2 JP2019547500A JP2019547500A JP6861294B2 JP 6861294 B2 JP6861294 B2 JP 6861294B2 JP 2019547500 A JP2019547500 A JP 2019547500A JP 2019547500 A JP2019547500 A JP 2019547500A JP 6861294 B2 JP6861294 B2 JP 6861294B2
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- delivery system
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- tubular member
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
- A61F2/2427—Devices for manipulating or deploying heart valves during implantation
- A61F2/2436—Deployment by retracting a sheath
-
- 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
- A61M25/0032—Multi-lumen catheters with stationary elements characterized by at least one unconventionally shaped lumen, e.g. polygons, ellipsoids, wedges or shapes comprising concave and convex parts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
- A61F2230/0004—Rounded shapes, e.g. with rounded corners
- A61F2230/0008—Rounded shapes, e.g. with rounded corners elliptical or oval
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
- A61F2230/0017—Angular shapes
-
- 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
- A61M2025/0004—Catheters; Hollow probes having two or more concentrically arranged tubes for forming a concentric catheter system
-
- 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
- A61M2025/0037—Multi-lumen catheters with stationary elements characterized by lumina being arranged side-by-side
-
- 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
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Cardiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Vascular Medicine (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Prostheses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Description
上記の実施形態のいずれかに対して代替的に又は付加的に、内側シャフトは、内側シャフトの両側に沿って配置される一対の引張抵抗部材を含む。
上記の実施形態のいずれかに対して代替的に又は付加的に、非円形のルーメンは、第1の筒状部材及び第2の筒状部材の捩れを制限するように設計されている。
上記の実施形態のいずれかに対して代替的に又は付加的に、引張抵抗部材はポリマーを含む。
上記の実施形態のいずれかに対して代替的に又は付加的に、卵型のルーメン内に配置される一対の作動シャフトを更に備え、卵型のルーメンは、ルーメン内の作動シャフトの捩れを制限するように設計されている。
上記の実施形態のいずれかに対して代替的に又は付加的に、卵型のルーメンは、第1の筒状部材及び第2の筒状部材の捩れを制限するように設計されている。
上記の実施形態のいずれかに対して代替的に又は付加的に、引張抵抗部材はポリマーを含む。
非円形のルーメン内に配置される作動シャフト、及び作動シャフトに連結される植え込み可能な心臓弁を含む、前進させること、展開カテーテルを内側シャフトに対して後退させること、作動シャフトを内側シャフトに対して並進移動させることであって、作動シャフトを並進移動させることによって、植え込み可能な医療デバイスが、折り畳まれた位置から展開された位置にシフトする、並進移動させることを含む、方法。
幾つかの実施形態の上記の概要は、本開示のそれぞれの開示される実施形態又は全ての実施態様を記載する意図はない。図面及び以下の詳細な説明がこれらの実施形態をより詳細に例示する。
本明細書において、全ての数値は、明示的に示されるか否かにかかわらず、「約」という用語によって修飾されることを前提とする。「約」という用語は、当業者が(例えば同じ機能又は結果を有する)記載した値に等しいとみなす数の範囲を概ね指す。多くの場合に、「約」という用語は、最も近い有効数字に四捨五入される数を含むことができる。
本明細書及び添付の特許請求の範囲において用いられる場合、単数形「1つ(a、an)」及び「その」は、内容が明らかに別様に指示しない限り、複数の指示対象を含む。本明細書及び添付の特許請求の範囲において用いられる場合、「又は」という用語は、内容が明らかに別様に指示しない限り、「及び/又は」を含む意味で概ね用いられる。
Claims (13)
- 植え込み可能な医療デバイスの送達システムであって、
近位端領域、遠位端領域、これらを通って延在する非円形のルーメンを有する内側シャフト、及び、前記近位端領域と前記遠位端領域との間に少なくとも部分的に延在する引張抵抗部材と、
前記非円形のルーメン内に延在する第1の筒状部材であって、内部に延在するガイドワイヤを受け入れるように設計されている第1の筒状部材と、
前記内側シャフトの外面に沿って配置される展開カテーテルと、
前記非円形のルーメン内に配置される作動シャフトとを備え、
前記作動シャフトは、前記植え込み可能な医療デバイスに連結され、
前記作動シャフトの並進移動によって、前記植え込み可能な医療デバイスが第1の位置から第2の位置にシフトする、送達システム。 - 前記植え込み可能な医療デバイスは、植え込み可能な心臓弁を含む、請求項1に記載の送達システム。
- 前記内側シャフトは、前記内側シャフトの両側に沿って配置される一対の引張抵抗部材を含む、請求項1又は2に記載の送達システム。
- 前記送達システムは、前記非円形のルーメン内に配置される一対の作動シャフトを、更に備え、前記非円形のルーメンは、前記ルーメン内の前記作動シャフトの捩れを制限するように設計されている、請求項1〜3のいずれか一項に記載の送達システム。
- 前記内側シャフトは、前記展開カテーテルに対して回転するか、並進移動するか、又は、回転及び並進移動の双方を行うように構成されている、請求項1〜4のいずれか一項に記載の送達システム。
- 前記送達システムは、前記非円形のルーメン内に延在する第2の筒状部材を、更に備え、作動シャフトは、前記第2の筒状部材内に延在する、請求項1に記載の送達システム。
- 前記非円形のルーメンは、前記第1の筒状部材及び前記第2の筒状部材の捩れを制限するように設計されている、請求項6に記載の送達システム。
- 前記引張抵抗部材は、金属ワイヤを含む、請求項1〜7のいずれか一項に記載の送達システム。
- 前記引張抵抗部材は、ポリマーを含む、請求項1〜8のいずれか一項に記載の送達システム。
- 植え込み可能な心臓弁の送達システムであって、
遠位端領域、内部を通って延在する卵型のルーメン、及び、近位端領域と前記遠位端領域との間に少なくとも部分的に延在する引張抵抗部材を有する内側シャフトと、
前記卵型のルーメン内に延在する第1の筒状部材であって、内部に延在するガイドワイヤを受け入れるように設計されている第1の筒状部材と、
前記内側シャフトの外面に沿って配置される展開カテーテルと、
前記卵型のルーメン内に配置される作動シャフトとを備え、
前記作動シャフトは、前記植え込み可能な医療デバイスに連結され、
前記作動シャフトの並進移動によって、前記心臓弁が第1の位置から第2の位置にシフトする、送達システム。 - 前記内側シャフトは、前記内側シャフトの両側に沿って配置される一対の引張抵抗部材を含む、請求項10に記載の送達システム。
- 前記送達システムは、前記卵型のルーメン内に配置される一対の作動シャフトを、更に備え、前記卵型のルーメンは、前記卵型のルーメン内の前記作動シャフトの捩れを制限するように設計されている、請求項10又は11に記載の送達システム。
- 前記送達システムは、前記卵型のルーメン内に延在する第2の筒状部材を、更に備え、作動シャフトは、前記第2の筒状部材内に延在する、請求項10に記載の送達システム。
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