JP7044855B2 - 医療デバイス - Google Patents
医療デバイス Download PDFInfo
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- JP7044855B2 JP7044855B2 JP2020201743A JP2020201743A JP7044855B2 JP 7044855 B2 JP7044855 B2 JP 7044855B2 JP 2020201743 A JP2020201743 A JP 2020201743A JP 2020201743 A JP2020201743 A JP 2020201743A JP 7044855 B2 JP7044855 B2 JP 7044855B2
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- rotating body
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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
- A61B17/320783—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
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features 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
- A61B17/22—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
- A61B2017/22038—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 a guide wire
- A61B2017/22039—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 a guide wire eccentric
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—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
- A61B17/32—Surgical cutting instruments
- A61B2017/320052—Guides for cutting instruments
-
- 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
- A61B2017/320064—Surgical cutting instruments with tissue or sample retaining means
-
- 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
- A61B2017/320791—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 with cutter extending outside the cutting window
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
- A61B2090/0801—Prevention of accidental cutting or pricking
- A61B2090/08021—Prevention of accidental cutting or pricking of the patient or his organs
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Vascular Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Pathology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgical Instruments (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Description
図6Aは、変形例1に係る先端部材210を示す側面図であり、図6Bは、ガイドワイヤ挿通部50とカバー材13の位置関係を簡略的に示す図である。
図7Aは、変形例2に係る先端部材220を示す側面図、図7Bは、変形例2に係る先端部材220を示す平面図、図7Cは、変形例2に係る先端部材220を示す正面図である。
図8Aは、変形例3に係る先端部材230を示す側面図、図8Bは、変形例3に係る先端部材230を示す平面図、図8Cは、変形例3に係る先端部材230を示す正面図である。
図9Aは、変形例4に係る先端部材240を示す側面図、図9Bは、変形例4に係る先端部材240を示す平面図、図9Cは、変形例4に係る先端部材240を示す正面図である。
図10Aは、変形例5に係る先端部材250を示す側面図、図10Bは、変形例5に係る先端部材250を示す平面図、図10Cは、変形例5に係る先端部材250を示す正面図である。
図11Aは、変形例6に係る先端部材260を示す側面図、図11Bは、変形例6に係る先端部材260を示す平面図、図11Cは、変形例6に係る先端部材260を示す正面図である。
図12は、変形例7に係る先端部材270を示す側面図である。
図13は、変形例8に係る先端部材280を示す側面図である。
図14は、変形例9に係る先端部材290を示す側面図である。
図15Aは、変形例10に係る先端部材330を示す側面図、図15Bは、図15Aに示す矢印15B方向から見たガイド部340と回転体320との位置関係を簡略的に示す図である。また、図16Aは、変形例10に係るガイド部340を示す斜視図、図16Bは、変形例10に係るガイド部340を示す平面図である。
10 長尺部材、
13 カバー材、
15 内腔、
20 回転体、
22 切削部、
25 内腔、
30 先端部材、
31 ガイド部、
31a 第1ガイド部、
31b 第2ガイド部、
32 支持部、
32a 第1支持部、
32b 第2支持部、
33 基部、
34 底部、
34a 第1底部、
34b 第2底部、
35 連結部、
36a 上面開口部、
36b 側面開口部、
36c 底面開口部、
50 ガイドワイヤ挿通部、
55 ガイドワイヤルーメン、
60 被覆部材、
210、220、230、240、250、260、270、280、290、330 先端部材、
A1 ガイド面、
D デブリ、
w ガイドワイヤ、
g 空間、
H 血管、
S 狭窄部。
Claims (4)
- 生体管腔内の物体を切削するための医療デバイスであって、
回転可能な長尺部材と、
前記物体に切削力を作用させる中空の切削部を先端に備えるとともに、前記長尺部材の先端側に配置されて前記長尺部材の回転に伴って回転される回転体と、
前記長尺部材を収容するカバー材と、
前記切削部の先端側に配置された先端部と、前記回転体の内部に配置された基端部と、を備えるガイド部と、を有し、
前記ガイド部は、前記回転体の先端側から見た正面視において、前記切削部の内側に配置されており、
前記ガイド部は、軸直交断面上において幅方向に広がりを持つ形状の板状部材で構成されており、
前記ガイド部は、軸直交断面上において前記長尺部材の中心位置と重ならない位置に配置されている、医療デバイス。 - 前記ガイド部の正面視における中心部は、前記ガイド部の正面視における端部よりも厚い、請求項1に記載の医療デバイス。
- 前記ガイド部の基端部は、前記回転体の先端に位置する前記切削部の内側を通って前記回転体の内部に挿入されている、請求項1または請求項2に記載の医療デバイス。
- 前記ガイド部の先端部は、前記カバー材の外表面に固定された棒状部材と接続されており、かつ前記棒状部材を介して前記カバー部材に接続されている、請求項1~3のいずれか1項に記載の医療デバイス。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016026339 | 2016-02-15 | ||
JP2016026339 | 2016-02-15 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2018500132A Division JP6806764B2 (ja) | 2016-02-15 | 2017-02-14 | 医療デバイス |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021037366A JP2021037366A (ja) | 2021-03-11 |
JP7044855B2 true JP7044855B2 (ja) | 2022-03-30 |
Family
ID=59559415
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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JP2018500132A Active JP6806764B2 (ja) | 2016-02-15 | 2017-02-14 | 医療デバイス |
JP2020201743A Active JP7044855B2 (ja) | 2016-02-15 | 2020-12-04 | 医療デバイス |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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JP2018500132A Active JP6806764B2 (ja) | 2016-02-15 | 2017-02-14 | 医療デバイス |
Country Status (4)
Country | Link |
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US (1) | US10874423B2 (ja) |
JP (2) | JP6806764B2 (ja) |
CN (2) | CN108697434B (ja) |
WO (1) | WO2017141924A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7244416B2 (ja) | 2017-05-31 | 2023-03-22 | テルモ株式会社 | 医療デバイス |
CN107348990B (zh) * | 2017-08-25 | 2020-04-07 | 蔡改贫 | 超声除栓系统 |
CN116196062B (zh) * | 2023-04-25 | 2023-08-11 | 上海宇度医学科技股份有限公司 | 宫腔镜下黏膜下肌瘤切除装置 |
Citations (1)
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US20070010840A1 (en) | 2003-04-22 | 2007-01-11 | Fox Hollow Technologies, Inc. | Methods and devices for cutting tissue at a vascular location |
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2017
- 2017-02-14 CN CN201780011370.7A patent/CN108697434B/zh active Active
- 2017-02-14 CN CN202111281283.8A patent/CN113855176B/zh active Active
- 2017-02-14 WO PCT/JP2017/005379 patent/WO2017141924A1/ja active Application Filing
- 2017-02-14 JP JP2018500132A patent/JP6806764B2/ja active Active
- 2017-02-15 US US15/432,978 patent/US10874423B2/en active Active
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2020
- 2020-12-04 JP JP2020201743A patent/JP7044855B2/ja active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070010840A1 (en) | 2003-04-22 | 2007-01-11 | Fox Hollow Technologies, Inc. | Methods and devices for cutting tissue at a vascular location |
Also Published As
Publication number | Publication date |
---|---|
US10874423B2 (en) | 2020-12-29 |
CN108697434A (zh) | 2018-10-23 |
JP6806764B2 (ja) | 2021-01-06 |
JPWO2017141924A1 (ja) | 2018-12-06 |
CN113855176A (zh) | 2021-12-31 |
CN108697434B (zh) | 2021-11-19 |
JP2021037366A (ja) | 2021-03-11 |
CN113855176B (zh) | 2024-07-23 |
WO2017141924A1 (ja) | 2017-08-24 |
US20170231657A1 (en) | 2017-08-17 |
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