JP6706611B2 - カテーテルシステム及び処置方法 - Google Patents
カテーテルシステム及び処置方法 Download PDFInfo
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- JP6706611B2 JP6706611B2 JP2017508206A JP2017508206A JP6706611B2 JP 6706611 B2 JP6706611 B2 JP 6706611B2 JP 2017508206 A JP2017508206 A JP 2017508206A JP 2017508206 A JP2017508206 A JP 2017508206A JP 6706611 B2 JP6706611 B2 JP 6706611B2
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- thrombus
- outer tube
- tip
- inner tube
- tube
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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
- A61B17/32—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
- 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
-
- 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
- A61B17/320783—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions through side-hole, e.g. sliding or rotating cutter inside catheter
-
- 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
- A61B17/22—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
- A61B2017/22079—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 suction of debris
-
- 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
- A61B2017/22094—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 for crossing total occlusions, i.e. piercing
-
- 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
- A61B2017/320766—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with a rotating cutting instrument, e.g. motor driven eccentric
-
- 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
- A61B2017/320775—Morcellators, impeller or propeller like means
Description
できる。
11 シャフト本体、
12 最外シース体、
13 回動駆動部、
14 ハブ、
15 シリンジ、
20 外管、
21 内管、
22 撹拌部、
22a 基部、
22b 螺旋部、
30 開口部、
31 当接部、
31a 当接面、
31b 切断刃、
32 切断部、
32a 刃部、
33 切断部、
34 当接部、
34b 刃部、
40 駆動モータ、
41 ギア部、
50 血管、
51 血栓、
52 破砕された血栓、
53 切り取られた血栓、
54 切断された血栓。
Claims (5)
- 長尺中空状の外管内部に内管が納められ、該内管の中空内部が基端側から吸引されるシャフト本体を有するカテーテルシステムであって、
前記外管は、周面に形成される開口部と、該開口部より先端側内部に設けられる当接部と、を有し、
前記内管は、前記外管に対し軸方向に移動でき、かつ、少なくとも先端側端部が前記開口部より基端側位置と前記当接部との間を往復動できるように配置されると共に、先端側端部の中空内部には、前記当接部に対し当接可能な切断部を有し、
前記切断部は、先端部に刃部を有し、該刃部が前記当接部に対して当接し、
前記刃部の先端面は、前記内管の先端面と平坦状であり、
前記当接部は、前記刃部と前記内管の先端面とが当接する当接面を有するカテーテルシステム。 - 前記外管は、周方向に回転駆動される請求項1に記載のカテーテルシステム。
- 前記外管は、周方向の正負二方向に向かって交互に回転駆動される請求項2に記載のカテーテルシステム。
- 前記外管は、生体管腔内を撹拌する撹拌部を有する請求項1〜3のいずれか1項に記載のカテーテルシステム。
- 前記撹拌部は、前記外管の軸方向に沿う螺旋部を有する請求項4に記載のカテーテルシステム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015058310 | 2015-03-20 | ||
JP2015058310 | 2015-03-20 | ||
PCT/JP2016/057523 WO2016152548A1 (ja) | 2015-03-20 | 2016-03-10 | カテーテルシステム及び処置方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2016152548A1 JPWO2016152548A1 (ja) | 2018-01-11 |
JP6706611B2 true JP6706611B2 (ja) | 2020-06-10 |
Family
ID=56924258
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017508206A Active JP6706611B2 (ja) | 2015-03-20 | 2016-03-10 | カテーテルシステム及び処置方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US11553943B2 (ja) |
JP (1) | JP6706611B2 (ja) |
WO (1) | WO2016152548A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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US11160572B2 (en) | 2014-01-03 | 2021-11-02 | Legacy Ventures LLC | Clot retrieval system |
EP3413814B1 (en) * | 2016-02-08 | 2021-04-07 | Teleflex Medical Incorporated | Rotational mechanical thrombectomy device |
JP2019071914A (ja) * | 2016-03-09 | 2019-05-16 | テルモ株式会社 | 医療デバイス |
JP2019071913A (ja) * | 2016-03-09 | 2019-05-16 | テルモ株式会社 | 医療デバイスおよび処置方法 |
JP7280831B2 (ja) | 2017-10-04 | 2023-05-24 | テルモ株式会社 | 医療デバイス、医療デバイスの回転制御方法および回転制御装置 |
US10105154B1 (en) | 2017-11-09 | 2018-10-23 | Pebble Hill Partners, Llc | Basket for a catheter device |
US11304713B2 (en) * | 2018-09-07 | 2022-04-19 | Merit Medical Systems, Inc. | Thrombosis macerating and aspiration devices for blood vessels |
DE102019206871B4 (de) * | 2019-05-07 | 2023-07-20 | Geuder Ag | Vorrichtung zum Schneiden und Absaugen von Gewebe aus dem menschlichen oder tierischen Auge |
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-
2016
- 2016-03-10 JP JP2017508206A patent/JP6706611B2/ja active Active
- 2016-03-10 WO PCT/JP2016/057523 patent/WO2016152548A1/ja active Application Filing
- 2016-03-17 US US15/073,118 patent/US11553943B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20160270813A1 (en) | 2016-09-22 |
JPWO2016152548A1 (ja) | 2018-01-11 |
US11553943B2 (en) | 2023-01-17 |
WO2016152548A1 (ja) | 2016-09-29 |
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