JP7426926B2 - 除去デバイスおよび除去システム - Google Patents
除去デバイスおよび除去システム Download PDFInfo
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- JP7426926B2 JP7426926B2 JP2020505745A JP2020505745A JP7426926B2 JP 7426926 B2 JP7426926 B2 JP 7426926B2 JP 2020505745 A JP2020505745 A JP 2020505745A JP 2020505745 A JP2020505745 A JP 2020505745A JP 7426926 B2 JP7426926 B2 JP 7426926B2
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- 238000005520 cutting process Methods 0.000 claims description 176
- 208000007536 Thrombosis Diseases 0.000 description 72
- 210000004204 blood vessel Anatomy 0.000 description 38
- 230000004048 modification Effects 0.000 description 17
- 238000012986 modification Methods 0.000 description 17
- 230000008878 coupling Effects 0.000 description 10
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- 238000005859 coupling reaction Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 8
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- 230000006870 function Effects 0.000 description 6
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- 230000001012 protector Effects 0.000 description 3
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- 239000010936 titanium Substances 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
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- 229920000098 polyolefin Polymers 0.000 description 2
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- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
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- 238000009954 braiding Methods 0.000 description 1
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- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 239000003527 fibrinolytic agent Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 210000003101 oviduct Anatomy 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
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- 229960000103 thrombolytic agent Drugs 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 210000000626 ureter Anatomy 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—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
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
- A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
- A61B17/32075—Pullback cutting; combined forward and pullback cutting, e.g. with cutters at both sides of the plaque
-
- 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
- A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
- A61B17/32002—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes with continuously rotating, oscillating or reciprocating 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
- A61B17/22—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
-
- 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
- A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
- A61B17/32002—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes with continuously rotating, oscillating or reciprocating cutting instruments
- A61B2017/320024—Morcellators, e.g. having a hollow cutting tube with an annular cutter for morcellating and removing tissue
-
- 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
- A61B2217/00—General characteristics of surgical instruments
- A61B2217/002—Auxiliary appliance
- A61B2217/005—Auxiliary appliance with suction drainage system
-
- 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
- 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
- A61F2002/016—Filters implantable into blood vessels made from wire-like elements
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgical Instruments (AREA)
Description
<第1実施形態>
<第2実施形態>
20、40、50、60、70、80、110、150、160、170 除去デバイス
21、173 シャフト部
22、41、51、71、81 切断本体部
23 凹部
24、73、142 傾斜面(切断刃が位置する面)
25、143 切断部
26 外縁(切断刃)
27 内縁(切断刃)
30 シース
42 貫通孔
72、82 切断刃
120、151、161、171 拡張部
127、127A、127B 間隙
140 近位側連結部(切断本体部)
200、201 血栓
X シャフト部の軸心
Y 切断本体部の軸心
Claims (7)
- 長尺なシャフト部と、
前記シャフト部の遠位部に固定される切断部を備える拡張可能な拡張部と、を有し、
前記拡張部は、筒体を構成するように編組される複数の線状体と、前記複数の線状体の遠位端を固定する遠位側連結部と、前記複数の線状体の近位端を固定する近位側連結部と、を有するフィルタであり、
前記近位側連結部は、前記複数の線状体を挟む同軸的に重なる2つの管体を有し、
前記近位側連結部は、近位側にリング状の前記切断部を有し、
前記切断部は、当該切断部の近位端面にリング状の切断刃を有し、
前記近位端面は、前記2つの管体の近位部にて斜めに切断された形状の傾斜面であり、前記近位端面の最近位端に隣接する位置で前記シャフト部が前記切断部に固定された除去デバイス。 - 前記切断部は、近位端から遠位側へ向かって凹部が形成されている請求項1に記載の除去デバイス。
- 前記凹部は、近位端から遠位端へ貫通する貫通孔である請求項2に記載の除去デバイス。
- 前記シャフト部は、前記切断部の軸心から径方向へ偏った位置に固定される請求項1~3のいずれか1項に記載の除去デバイス。
- 前記拡張部は、近位側の間隙と、近位側の間隙よりも大きい遠位側の間隙と、を有する請求項1~4に記載の除去デバイス。
- 前記拡張部は折り返し可能であり、
前記拡張部は、折り返されていない状態において、前記複数の線状体により形成される第1の部位および前記第1の部位の近位側に位置する前記複数の線状体により形成される第2の部位を有し、
前記拡張部は、折り返された状態において、前記第2の部位が前記第1の部位の内側に入り込むように折り返され、
前記拡張部の折り返されていない前記第1の部位は、折り返された前記第2の部位の間隙よりも大きい間隙を有する請求項1~5に記載の除去デバイス。 - 吸引力を作用させる内腔が形成されたシースと、
前記シースに挿入可能な除去デバイスと、を有する除去システムであって、
前記除去デバイスは、
長尺なシャフト部と、
前記シャフト部の遠位部に固定される切断部を備える拡張可能な拡張部と、を有し、
前記拡張部は、筒体を構成するように編組される複数の線状体と、前記複数の線状体の遠位端を固定する遠位側連結部と、前記複数の線状体の近位端を固定する近位側連結部と、を有するフィルタであり、
前記近位側連結部は、前記複数の線状体を挟む同軸的に重なる2つの管体を有し、
前記近位側連結部は、近位側にリング状の前記切断部を有し、
前記切断部は、当該切断部の近位端面にリング状の切断刃を有し、
前記近位端面は、前記2つの管体の近位部にて斜めに切断された形状の傾斜面であり、前記近位端面の最近位端に隣接する位置で前記シャフト部が前記切断部に固定された除去システム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018045179 | 2018-03-13 | ||
JP2018045179 | 2018-03-13 | ||
PCT/JP2019/007440 WO2019176536A1 (ja) | 2018-03-13 | 2019-02-27 | 除去デバイスおよび除去システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2019176536A1 JPWO2019176536A1 (ja) | 2021-03-11 |
JP7426926B2 true JP7426926B2 (ja) | 2024-02-02 |
Family
ID=67906596
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2020505745A Active JP7426926B2 (ja) | 2018-03-13 | 2019-02-27 | 除去デバイスおよび除去システム |
Country Status (5)
Country | Link |
---|---|
US (2) | US11642151B2 (ja) |
EP (1) | EP3750494A4 (ja) |
JP (1) | JP7426926B2 (ja) |
CN (1) | CN111818870B (ja) |
WO (1) | WO2019176536A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113456173A (zh) * | 2021-07-01 | 2021-10-01 | 吉林大学 | 一种脑神经血管血栓取出装置 |
Citations (3)
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JP2002510517A (ja) | 1998-04-06 | 2002-04-09 | カイフォン インコーポレイテッド | 内部身体領域で空洞を作製するための構造体および方法 |
US20160331506A1 (en) | 2015-05-15 | 2016-11-17 | Teleflex Medical Incorporated | Tethered filter assemblies and methods for use thereof |
WO2018043282A1 (ja) | 2016-08-29 | 2018-03-08 | テルモ株式会社 | 医療デバイスおよび処置方法 |
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US5662603A (en) * | 1996-05-29 | 1997-09-02 | Gelbfish; Gary A. | Medical material removal method and associated instrumentation |
US9655633B2 (en) * | 2004-09-10 | 2017-05-23 | Penumbra, Inc. | System and method for treating ischemic stroke |
US7931659B2 (en) | 2004-09-10 | 2011-04-26 | Penumbra, Inc. | System and method for treating ischemic stroke |
GB2434101A (en) * | 2005-12-21 | 2007-07-18 | Northwick Park Biomedical Serv | A fistula cutting device |
US7951161B2 (en) * | 2006-05-09 | 2011-05-31 | Medrad, Inc. | Atherectomy system having a variably exposed cutter |
US8192451B2 (en) * | 2008-06-05 | 2012-06-05 | Cardiovascular Systems, Inc. | Cutting and coring atherectomy device and method |
CN102186427B (zh) * | 2008-09-22 | 2013-12-18 | 浩特斯博尔技术公司 | 流动恢复*** |
KR20130076813A (ko) * | 2010-04-13 | 2013-07-08 | 액세스 포인트 테크놀로지스, 아이엔씨. | 색전 물질 절개 트랩핑 장치 |
CN102499734B (zh) * | 2011-11-17 | 2013-06-19 | 祖茂衡 | 一种支架内血栓清除器 |
WO2016161095A1 (en) * | 2015-04-02 | 2016-10-06 | Boston Scientific Scimed, Inc. | Atherectomy medical device |
WO2016194551A1 (ja) * | 2015-06-02 | 2016-12-08 | 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 |
US10307175B2 (en) * | 2016-03-26 | 2019-06-04 | Rex Medical, L.P | Atherectomy device |
JP2018033491A (ja) * | 2016-08-29 | 2018-03-08 | テルモ株式会社 | 医療デバイスおよび処置方法 |
JP2018045179A (ja) | 2016-09-16 | 2018-03-22 | 富士ゼロックス株式会社 | 現像装置及び画像形成装置 |
-
2019
- 2019-02-27 CN CN201980018003.9A patent/CN111818870B/zh active Active
- 2019-02-27 WO PCT/JP2019/007440 patent/WO2019176536A1/ja unknown
- 2019-02-27 JP JP2020505745A patent/JP7426926B2/ja active Active
- 2019-02-27 EP EP19768453.3A patent/EP3750494A4/en active Pending
-
2020
- 2020-09-10 US US17/016,847 patent/US11642151B2/en active Active
-
2023
- 2023-04-03 US US18/194,841 patent/US20230255659A1/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002510517A (ja) | 1998-04-06 | 2002-04-09 | カイフォン インコーポレイテッド | 内部身体領域で空洞を作製するための構造体および方法 |
US20160331506A1 (en) | 2015-05-15 | 2016-11-17 | Teleflex Medical Incorporated | Tethered filter assemblies and methods for use thereof |
WO2018043282A1 (ja) | 2016-08-29 | 2018-03-08 | テルモ株式会社 | 医療デバイスおよび処置方法 |
Also Published As
Publication number | Publication date |
---|---|
CN111818870A (zh) | 2020-10-23 |
EP3750494A1 (en) | 2020-12-16 |
WO2019176536A1 (ja) | 2019-09-19 |
US20230255659A1 (en) | 2023-08-17 |
US20200405346A1 (en) | 2020-12-31 |
CN111818870B (zh) | 2023-12-08 |
US11642151B2 (en) | 2023-05-09 |
EP3750494A4 (en) | 2021-05-19 |
JPWO2019176536A1 (ja) | 2021-03-11 |
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