JP6270839B2 - ガイド延長カテーテルおよび医療装置アセンブリ - Google Patents
ガイド延長カテーテルおよび医療装置アセンブリ Download PDFInfo
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Images
Classifications
-
- 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
-
- 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
- A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
-
- 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
- A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
- A61M25/0069—Tip not integral with tube
-
- 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
- A61M25/0108—Steering means as part of the catheter or advancing means; Markers for positioning using radio-opaque or ultrasound markers
-
- 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
- A61M25/02—Holding devices, e.g. on the body
- A61M25/04—Holding devices, e.g. on the body in the body, e.g. expansible
-
- 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
- A61M25/10—Balloon catheters
-
- 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
- A61M2025/0175—Introducing, guiding, advancing, emplacing or holding catheters having telescopic features, interengaging nestable members movable in relations to one another
-
- 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
Description
本願において、すべての数値は、明示的に示されているか否かに関わらず、「約」という語によって修飾されるものと見なされる。「約」という用語は、一般に、当業者が列挙された値と同等であると見なす(すなわち、同じ機能または結果を有する)一連の数を指す。多くの場合において、「約」という語は、最も近い有効数字に丸められる数を含み得る。
本明細書および添付された特許請求の範囲においては、単数形の「1つの(a)」、「1つの(an)」および「その(the)」は、内容が明らかに他に規定していない限り、複数の指示対象を含む。本願および添付された特許請求の範囲においては、「または(or)」という語は、内容が明らかに他に規定していない限り、一般にその意味において「および/または(and/or)」を含んで使用される。
経皮経管冠動脈形成術のような低侵襲性心臓インターベンションは世界中で広く用いられている。これらの手技は、ガイドカテーテルの使用を含み得る。例えば、ガイドカテーテル10は、図1Aに示すように、大動脈Aのような血管を介して、(例えば左および/または右)冠状動脈CAの開口Oに隣接した位置に進められる。そのように配置されると、治療カテーテル(例えばバルーンカテーテル、ステントデリバリーシステムなど)は、ガイドカテーテル10を介して、冠状動脈CA内において標的位置まで進められて、そこで適当な心臓インターベーションを実施するために用いられる。
Claims (12)
- ガイド延長カテーテルであって、
第1外径を有する基端側シャフトと、
前記基端側シャフトに取り付けられ、かつ、第1外径より大きい第2外径を有する先端側シースであって、基端側開口、先端側開口、および前記基端側開口と先端側開口との間において画定されて、治療装置が先端側シース内を通過できるようにする中央管腔を有する先端側シースと、
前記先端側シースに取り付けられ、そこから先端方向に延在する追従可能なチップ部材であって、基端側開口、先端側開口、および前記基端側開口と先端側開口との間において画定されて、追従可能なチップ部材がガイドワイヤ上をたどって移動できるようにするガイドワイヤ管腔を有する追従可能なチップ部材と、を備え、
前記追従可能なチップ部材の基端側開口が前記先端側シースの先端部に配置され、
前記追従可能なチップ部材の内面の一部が前記先端側シースの長手方向軸線から第1の距離だけ径方向に離間しており、前記先端側シースの内面の一部が該先端側シースの長手方向軸線から第2の距離だけ径方向に離間しており、前記第2の距離が前記第1の距離よりも小さい、
ガイド延長カテーテル。 - 前記追従可能なチップ部材は、第2外径より小さい第3外径を有する、請求項1に記載のガイド延長カテーテル。
- 前記追従可能なチップ部材のガイドワイヤ管腔は、前記追従可能なチップ部材がガイドワイヤ上を緊密にたどって移動するような大きさに形成されている、請求項1または2に記載のガイド延長カテーテル。
- 前記ガイドワイヤ管腔は0.254〜1.016mm(0.01〜0.04インチ)の直径を有する、請求項1乃至3のいずれか1項に記載のガイド延長カテーテル。
- 前記先端側シースは補強材を備える、請求項1乃至4のいずれか1項に記載のガイド延長カテーテル。
- 前記先端側シースは放射線不透過性材料を含有する、請求項1乃至5のいずれか1項に記載のガイド延長カテーテル。
- 医療装置アセンブリであって、
内部に形成された管腔を有するガイドカテーテルと、
前記管腔を貫通して延びるガイド延長カテーテルであって、前記ガイド延長カテーテルは、
第1外径を有する基端側シャフトと、
前記基端側シャフトに取り付けられる先端側シースであって、基端側開口、先端側開口、および前記基端側開口と先端側開口との間において画定されて、治療装置が先端側シース内を通過できるようにする中央管腔を有し、かつ、第1外径より大きい第2外径を有する先端側シースと、
前記先端側シースに取り付けられ、そこから先端方向に延在する追従可能なチップ部材であって、基端側開口、先端側開口、および前記基端側開口と先端側開口との間に延在して、追従可能なチップ部材がガイドワイヤ上をたどって移動できるようにするガイドワイヤ管腔を有するとともに、追従可能なチップ部材の前記基端側開口が前記先端側シースの先端部に配置される、追従可能なチップ部材と、を有しており、
前記追従可能なチップ部材の内面の一部が前記先端側シースの長手方向軸線から第1の距離だけ径方向に離間しており、前記先端側シースの内面の一部が該先端側シースの長手方向軸線から第2の距離だけ径方向に離間しており、前記第2の距離が前記第1の距離よりも小さい、ガイド延長カテーテルと、
前記先端側シースの中央管腔を通って前記追従可能なチップ部材の基端側開口へ延び、さらに、前記追従可能なチップ部材のガイドワイヤ管腔を貫通して延びるガイドワイヤと、
を備える、医療装置アセンブリ。 - 前記先端側シースは放射線不透過性材料を含有する、請求項7に記載の医療装置アセンブリ。
- 前記追従可能なチップ部材は第2外径より小さい第3外径を有する、請求項7または8に記載の医療装置アセンブリ。
- 前記追従可能なチップ部材のガイドワイヤ管腔は、前記追従可能なチップ部材が前記ガイドワイヤ上を緊密にたどって移動するような大きさに形成されている、請求項7乃至9のいずれか1項に記載の医療装置アセンブリ。
- 前記ガイドワイヤ管腔は、0.254〜1.016mm(0.01〜0.04インチ)の直径を有する、請求項7乃至10のいずれか1項に記載の医療装置アセンブリ。
- 前記先端側シースは補強材を備える、請求項7乃至11のいずれか1項に記載の医療装置アセンブリ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US11065019B1 (en) | 2015-02-04 | 2021-07-20 | Route 92 Medical, Inc. | Aspiration catheter systems and methods of use |
JP6732769B2 (ja) | 2015-02-04 | 2020-07-29 | ルート92メディカル・インコーポレイテッドRoute 92 Medical, Inc. | 急速吸引血栓摘出システムおよび方法 |
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US10688277B2 (en) | 2015-09-23 | 2020-06-23 | Medtronic Vascular, Inc. | Guide extension catheter with perfusion openings |
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US10751514B2 (en) * | 2016-12-09 | 2020-08-25 | Teleflex Life Sciences Limited | Guide extension catheter |
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CN112423824B (zh) | 2018-05-17 | 2023-02-21 | 92号医疗公司 | 抽吸导管系统和使用方法 |
US11547835B2 (en) | 2018-09-17 | 2023-01-10 | Seigla Medical, Inc. | Systems, methods and apparatus for guiding and supporting catheters and methods of manufacture |
US20200086089A1 (en) | 2018-09-17 | 2020-03-19 | Seigla Medical, Inc. | Systems, methods and apparatus for guiding and supporting catheters such as stent delivery catheters |
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2013
- 2013-07-19 JP JP2015523295A patent/JP6270839B2/ja active Active
- 2013-07-19 US US13/946,830 patent/US10124148B2/en active Active
- 2013-07-19 WO PCT/US2013/051380 patent/WO2014015308A1/en active Application Filing
- 2013-07-19 EP EP13745745.3A patent/EP2874689A1/en not_active Withdrawn
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WO2014015308A1 (en) | 2014-01-23 |
JP2015526160A (ja) | 2015-09-10 |
EP2874689A1 (en) | 2015-05-27 |
US20140025004A1 (en) | 2014-01-23 |
US10124148B2 (en) | 2018-11-13 |
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