JP6612616B2 - 血栓治療用の器具とシステム - Google Patents
血栓治療用の器具とシステム Download PDFInfo
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- JP6612616B2 JP6612616B2 JP2015527480A JP2015527480A JP6612616B2 JP 6612616 B2 JP6612616 B2 JP 6612616B2 JP 2015527480 A JP2015527480 A JP 2015527480A JP 2015527480 A JP2015527480 A JP 2015527480A JP 6612616 B2 JP6612616 B2 JP 6612616B2
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Images
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
- A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
- A61B17/320725—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with radially expandable cutting or abrading elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
- A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
- A61B17/320758—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with a rotating cutting instrument, e.g. motor driven
-
- 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
- A61F2/01—Filters implantable into blood vessels
- A61F2/013—Distal protection devices, i.e. devices placed distally in combination with another endovascular procedure, e.g. angioplasty or stenting
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22051—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation
- A61B2017/22065—Functions of balloons
- A61B2017/22069—Immobilising; Stabilising
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
- A61B2017/2212—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions having a closed distal end, e.g. a loop
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B2017/320004—Surgical cutting instruments abrasive
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
- A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
- A61B2017/320716—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions comprising means for preventing embolism by dislodged material
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
- A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
- A61B2017/320733—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with a flexible cutting or scraping element, e.g. with a whip-like distal filament member
-
- 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
- A61F2/01—Filters implantable into blood vessels
- A61F2002/018—Filters implantable into blood vessels made from tubes or sheets of material, e.g. by etching or laser-cutting
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Surgical Instruments (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Description
本願は、2012年8月14日に提出された米国特許仮出願第61/683043号の優先権を主張するものである。その先願の開示は参照により本願の開示の一部とみなされ、且つ、本願の開示に援用される。本願はまた、2013年3月13日に提出された「血栓治療用の器具とシステム(DEVICES AND SYSTEMS FOR THROMBUS TREATMENT)」という表題の同時係属出願(代理人整理番号第MP/426A号)の開示を参照により援用する。
本開示は血栓の治療のための器具、システム及び方法に関する。
以下の態様が考えられる。
[態様16]
サポートチューブ、
前記サポートチューブによって規定される軸線の周りに配置されるボディーフレーム部であって、近位末端と遠位末端を含む前記ボディーフレーム部、
前記ボディーフレーム部の遠位末端から延びているフィルター部、及び
それぞれ第1末端と第2末端を有する複数のテザー
を備える血栓治療器具であって、
前記の複数のテザーのそれぞれの前記第1末端が前記サポートチューブの近位末端から外に延びており、前記テザーが前記サポートチューブのルーメンを通って前記サポートチューブの遠位末端から外に延びており、且つ、前記ボディーフレーム部の遠位末端の近くで前記ボディーフレーム部と係合し、且つ、前記ボディーフレーム部の近位末端まで延びており、
前記の複数のテザーのそれぞれの前記第2末端が前記ボディーフレーム部の近位末端の近くで前記ボディーフレーム部に結合していることを特徴とする前記血栓治療器具。
[態様17]
前記の複数のテザーの各テザーが前記ボディーフレーム部の近位末端の近くの前記ボディーフレーム部の周りにループを形成する、態様16に記載の器具。
[態様18]
前記の複数のテザーのそれぞれの前記第1末端に加えられた近位方向に向けられた力によって、前記ボディーフレーム部の遠位末端と前記ボディーフレーム部の近位末端が前記サポートチューブによって規定される前記軸線に向かって半径方向に折りたたまれる、態様16に記載の器具。
[態様19]
前記の複数のテザーが前記ボディーフレーム部の近位末端の近くの前記ボディーフレーム部の周りに集団でループを形成する、態様16に記載の器具。
[態様20]
前記の複数のテザーのそれぞれの前記第1末端に加えられた近位方向に向けられた力によって、前記ボディーフレーム部の遠位末端と前記ボディーフレーム部の近位末端が前記サポートチューブによって規定される長手方向の前記軸線に向かって半径方向に折りたたまれる、態様19に記載の器具。
[態様25]
サポートチューブ、
前記サポートチューブによって規定される軸線の周りに配置されるボディーフレーム部であって、近位末端と遠位末端を含む前記ボディーフレーム部、
前記ボディーフレーム部の遠位末端から延びているフィルター部、
それぞれ第1末端と第2末端を有する1本以上の近位テザーであって、前記の1本以上の近位テザーのそれぞれの前記第1末端が前記サポートチューブに結合しており、且つ、前記の1本以上の近位テザーのそれぞれの前記第2末端が前記ボディーフレーム部に結合している、前記の1本以上の近位テザー、及び
それぞれ第1末端と第2末端を有する1本以上の遠位テザーであって、前記の1本以上の遠位テザーのそれぞれの前記第1末端が前記サポートチューブに結合しており、且つ、前記の1本以上の遠位テザーのそれぞれの前記第2末端が前記ボディーフレーム部に結合している、前記の1本以上の遠位テザー
を備える血栓治療器具。
[態様26]
前記の1本以上の遠位テザーが移動可能であるように前記サポートチューブに結合しており、且つ、前記の1本以上の近位テザーが固定的に前記サポートチューブに結合している、態様25に記載の器具。
[態様27]
前記の1本以上の遠位テザーが固定的に前記サポートチューブに結合しており、且つ、前記の1本以上の近位テザーが移動可能であるように前記サポートチューブに結合している、態様25に記載の器具。
[態様28]
前記サポートチューブの遠位末端が、前記遠位テザーが前記サポートチューブに結合している位置から遠位方向に位置する、態様25に記載の器具。
[態様29]
前記サポートチューブの遠位末端が前記フィルター部から遠位方向に位置する、態様25に記載の器具。
[態様30]
前記遠位テザーが前記フィルター部によって規定される内部空間内に実質的に位置する、態様25に記載の器具。
[態様31]
前記ボディーフレーム部の長手方向の長さが前記ボディーフレーム部の外径の少なくとも2倍の長さである、態様25に記載の器具。
[態様32]
前記ボディーフレーム部の長手方向の長さが前記ボディーフレーム部の外径の少なくとも3倍の長さである、態様25に記載の器具。
[態様33]
前記ボディーフレーム部の長手方向の長さが前記ボディーフレーム部の外径の少なくとも4倍の長さである、態様25に記載の器具。
[態様34]
前記フィルター部の長手方向の長さが前記ボディーフレーム部の長手方向の長さの半分以下である、態様25に記載の器具。
[態様35]
前記の1本以上の近位テザーのそれぞれの前記第2末端が前記ボディーフレーム部の近位末端に結合しており、且つ、前記の1本以上の遠位テザーのそれぞれの前記第2末端が前記ボディーフレーム部の遠位末端に結合している、態様25に記載の器具。
Claims (19)
- サポートチューブ、
前記サポートチューブによって規定される軸線の周囲に配置されるボディーフレーム部であって、前記ボディーフレーム部の長手方向の長さが前記ボディーフレーム部の外径の少なくとも2倍の長さである前記ボディーフレーム部、
前記サポートチューブに結合しているカラーから前記ボディーフレーム部まで延びている1本以上のテザーを含むテザー部であって、前記1本以上のテザーの各テザーが、前記サポートチューブから前記ボディーフレーム部の近位末端に向かって放射状に延びており、かつ、前記ボディーフレーム部の近位末端の周囲に少なくとも部分的なループを形成するテザー部、及び
前記ボディーフレーム部から延びているフィルター部
を備える血栓治療器具。 - 前記ボディーフレーム部の長手方向の長さが前記ボディーフレーム部の外径の少なくとも3倍の長さである、請求項1に記載の器具。
- 前記ボディーフレーム部の長手方向の長さが前記ボディーフレーム部の外径の少なくとも4倍の長さである、請求項1に記載の器具。
- 前記ボディーフレーム部の長手方向の長さが前記ボディーフレーム部の外径の少なくとも5倍の長さである、請求項1に記載の器具。
- 前記フィルター部の長手方向の長さが前記ボディーフレーム部の長手方向の長さの半分以下である、請求項1に記載の器具。
- 前記の1本以上のテザーが、前記ボディーフレーム部によって規定される領域内に実質的に存在する形態へ、前記の1本以上のテザーが外転するように構成されている、請求項1に記載の器具。
- 前記の1本以上のテザーがニチノールから構成される、請求項1に記載の器具。
- 前記の1本以上のテザーが高分子材料から構成される、請求項1に記載の器具。
- 前記器具が、前記サポートチューブに結合している前記カラーから前記ボディーフレーム部までそれぞれ延びている複数のテザーを含む、請求項1に記載の器具。
- 前記の複数のテザーの各テザーが、前記ボディーフレーム部によって規定される領域内に実質的に存在する形態へ、前記の複数のテザーの各テザーが外転するように構成されている、請求項9に記載の器具。
- 前記フィルター部が前記ボディーフレーム部と実質的に重ならない、請求項1に記載の器具。
- 前記ボディーフレーム部が、前記ボディーフレーム部の長手方向の長さに沿って少なくとも3列に配置された複数の開放型セルを規定し、且つ、前記フィルター部が、前記の少なくとも3列のうちの、1列までは前記ボディーフレーム部と重なり、前記ボディーフレーム部の残りの部分とは重ならない、請求項1に記載の器具。
- 前記ボディーフレーム部が前記ボディーフレーム部の長手方向の長さに沿って3列から10列までの開放型セルを規定する、請求項12に記載の器具。
- 前記フィルター部が前記ボディーフレーム部の長手方向の長さの20%以下と重なる、請求項1に記載の器具。
- 前記の1本以上のテザーが前記ボディーフレーム部の近位末端まで延びており、且つ、前記フィルター部が前記ボディーフレーム部の遠位末端から延びている、請求項1に記載の器具。
- サポートチューブ、
前記サポートチューブによって規定される軸線の周囲に配置されるボディーフレーム部であって、前記ボディーフレーム部の長手方向の長さが前記ボディーフレーム部の外径の少なくとも2倍の長さである、前記ボディーフレーム部、
それぞれ前記サポートチューブに結合しているカラーから前記ボディーフレーム部の近位末端まで延びている1本以上のテザーであって、前記1本以上のテザーの各テザーが、前記サポートチューブのカラーから前記ボディーフレーム部の近位末端に向かって放射状に延びており、かつ、前記ボディーフレーム部の近位末端の周囲に少なくとも部分的なループを形成する1本以上のテザー、及び
前記ボディーフレーム部の遠位末端から延びているフィルター部
を備える血栓治療器具であって、
前記ボディーフレーム部が前記ボディーフレーム部の長手方向の長さに沿って少なくとも3列に配置された複数の開放型セルを規定し、且つ、前記フィルター部が、前記の少なくとも3列のうちの1列までは重なり、残りの列とは重ならないことを特徴とする前記血栓治療器具。 - 前記ボディーフレーム部の長手方向の長さが前記ボディーフレーム部の外径の少なくとも3倍の長さである、請求項16に記載の器具。
- 前記ボディーフレーム部の長手方向の長さが前記ボディーフレーム部の外径の少なくとも4倍の長さである、請求項16に記載の器具。
- 前記ボディーフレーム部の長手方向の長さが前記ボディーフレーム部の外径の少なくとも5倍の長さである、請求項18に記載の器具。
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