JP7423714B2 - 閉塞物除去システム - Google Patents
閉塞物除去システム Download PDFInfo
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- JP7423714B2 JP7423714B2 JP2022142710A JP2022142710A JP7423714B2 JP 7423714 B2 JP7423714 B2 JP 7423714B2 JP 2022142710 A JP2022142710 A JP 2022142710A JP 2022142710 A JP2022142710 A JP 2022142710A JP 7423714 B2 JP7423714 B2 JP 7423714B2
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- 208000007536 Thrombosis Diseases 0.000 claims description 18
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- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 description 10
- 229910001000 nickel titanium Inorganic materials 0.000 description 10
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- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- 230000014759 maintenance of location Effects 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 229910052715 tantalum Inorganic materials 0.000 description 5
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 5
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000001453 nonthrombogenic effect Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000002885 thrombogenetic effect Effects 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010002329 Aneurysm Diseases 0.000 description 1
- 229910000684 Cobalt-chrome Inorganic materials 0.000 description 1
- 229920002614 Polyether block amide Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920000508 Vectran Polymers 0.000 description 1
- 239000004979 Vectran Substances 0.000 description 1
- WAIPAZQMEIHHTJ-UHFFFAOYSA-N [Cr].[Co] Chemical compound [Cr].[Co] WAIPAZQMEIHHTJ-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
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- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 238000013151 thrombectomy Methods 0.000 description 1
Classifications
-
- 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
- A61B17/22—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
- A61B17/22031—Gripping instruments, e.g. forceps, for removing or smashing calculi
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00867—Material properties shape memory effect
-
- 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
- A61B17/22031—Gripping instruments, e.g. forceps, for removing or smashing calculi
- A61B2017/22034—Gripping instruments, e.g. forceps, for removing or smashing calculi for gripping the obstruction or the tissue part from inside
-
- 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
- A61B2017/22042—Details of the tip of the guide wire
-
- 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
- A61B2017/22049—Means for locking the guide wire in the 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
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgical Instruments (AREA)
Description
Claims (13)
- 閉塞物除去デバイスであって、
押圧具と、
1つ以上の血栓を捕捉するように構成されている複数の係合部材であって、前記複数の係合部材のそれぞれが複数の支柱を備え、前記複数の係合部材のうちの最も基端側の係合部材が、前記押圧具の先端部に接続されている、複数の係合部材と、
前記押圧具の前記先端部から延伸し、前記複数の係合部材のうちの最も先端側の係合部材に接続された長尺要素と、
前記長尺要素が、前記押圧具に対して動くことを選択的に防止することにより、前記複数の係合部材を、膨張形状または潰れ形状の少なくとも1つでロックするロック機構と、
を含み、
前記ロック機構が、前記長尺要素の外側に取り付けられた複数の構造を備え、前記複数の構造の少なくとも1つが前記複数の係合部材のそれぞれの内部に配置され、
前記複数の係合部材は、前記長尺要素の基端側の長尺方向の動きによって前記複数の構造が前記複数の係合部材を係合するようにされて前記膨張形状にロックされ、前記複数の係合部材は前記長尺要素の先端側の長尺方向の動きによって前記複数の構造が前記複数の係合部材を係合するようにされて前記潰れ形状にロックされる、
閉塞物除去デバイス。 - 前記複数の構造の少なくとも1つは、前記複数の係合部材のそれぞれと接触している、請求項1の閉塞物除去デバイス。
- 前記長尺要素は、前記押圧具の基端部から延伸している、請求項1の閉塞物除去デバイス。
- 前記長尺要素は、前記押圧具および前記複数の係合部材の双方に渡っている請求項1の閉塞物除去デバイス。
- 前記長尺要素の外側に位置する、前記係合部材の潰れに抵抗するテンション部材をさらに含む請求項1の閉塞物除去デバイス。
- 前記テンション部材は、前記複数の係合部材に取り付けられている請求項5の閉塞物除去デバイス。
- 前記複数の構造のそれぞれは、前記長尺要素に固定され、前記複数の係合部材のそれぞれの内部に位置する固定具から構成される請求項1の閉塞物除去デバイス。
- 前記固定具は、前記複数の係合部材を一列に配置し、前記複数の係合部材を係合するための複数の凹部を有している請求項7の閉塞物除去デバイス。
- 前記複数の係合部材のそれぞれは複数の支柱から構成される請求項1の閉塞物除去デバイス。
- 前記複数の構造のそれぞれは、複数の凹部を有している請求項9の閉塞物除去デバイス。
- 前記複数の構造の少なくとも1つは、前記押圧具の基端部の近くに配置されたコレットである請求項1の閉塞物除去デバイス。
- 前記コレットは、前記押圧具に対する前記長尺要素の動きを防止するために、前記長尺要素と選択的に係合可能である、請求項11の閉塞物除去デバイス。
- 押圧具の外面に形成されたチャンネルを含む前記押圧具と、
前記押圧具から延伸した長尺要素と、
前記長尺要素に固定された、1つ以上の血栓を捕捉するように構成されている複数の係合部材であって、長尺要素が複数の係合部材のうちの最も先端側の係合部材に接続されており、前記長尺要素を引っ張ることが前記複数の係合部材を膨張させ、前記長尺要素を押すことが前記複数の係合部材を潰れさせる、複数の係合部材と、
前記長尺要素上に配置された拡張部であって、前記チャンネルを係合し、または前記チャンネルに入り、前記長尺要素を固定された長尺方向の位置にロックする拡張部と、
を含む、閉塞物除去デバイス。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2024005136A JP2024050634A (ja) | 2016-11-23 | 2024-01-17 | 閉塞物除去システム |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201662426106P | 2016-11-23 | 2016-11-23 | |
US62/426,106 | 2016-11-23 | ||
PCT/US2017/062413 WO2018098045A1 (en) | 2016-11-23 | 2017-11-17 | Obstruction removal system |
JP2019527834A JP7169971B2 (ja) | 2016-11-23 | 2017-11-17 | 閉塞物除去システム |
Related Parent Applications (1)
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JP2019527834A Division JP7169971B2 (ja) | 2016-11-23 | 2017-11-17 | 閉塞物除去システム |
Related Child Applications (1)
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JP2024005136A Division JP2024050634A (ja) | 2016-11-23 | 2024-01-17 | 閉塞物除去システム |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2022188038A JP2022188038A (ja) | 2022-12-20 |
JP2022188038A5 JP2022188038A5 (ja) | 2023-01-27 |
JP7423714B2 true JP7423714B2 (ja) | 2024-01-29 |
Family
ID=62144015
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
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JP2019527834A Active JP7169971B2 (ja) | 2016-11-23 | 2017-11-17 | 閉塞物除去システム |
JP2022142710A Active JP7423714B2 (ja) | 2016-11-23 | 2022-09-08 | 閉塞物除去システム |
JP2024005136A Pending JP2024050634A (ja) | 2016-11-23 | 2024-01-17 | 閉塞物除去システム |
Family Applications Before (1)
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JP2019527834A Active JP7169971B2 (ja) | 2016-11-23 | 2017-11-17 | 閉塞物除去システム |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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JP2024005136A Pending JP2024050634A (ja) | 2016-11-23 | 2024-01-17 | 閉塞物除去システム |
Country Status (5)
Country | Link |
---|---|
US (4) | US10729455B2 (ja) |
EP (2) | EP3544528B1 (ja) |
JP (3) | JP7169971B2 (ja) |
CN (2) | CN110573095B (ja) |
WO (1) | WO2018098045A1 (ja) |
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