JPWO2017154909A1 - 医療デバイスおよび処置方法 - Google Patents
医療デバイスおよび処置方法 Download PDFInfo
- Publication number
- JPWO2017154909A1 JPWO2017154909A1 JP2018504516A JP2018504516A JPWO2017154909A1 JP WO2017154909 A1 JPWO2017154909 A1 JP WO2017154909A1 JP 2018504516 A JP2018504516 A JP 2018504516A JP 2018504516 A JP2018504516 A JP 2018504516A JP WO2017154909 A1 JPWO2017154909 A1 JP WO2017154909A1
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- slide
- crushing
- distal
- medical device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000002093 peripheral effect Effects 0.000 claims description 49
- 230000003902 lesion Effects 0.000 claims description 3
- 208000007536 Thrombosis Diseases 0.000 description 53
- 210000004204 blood vessel Anatomy 0.000 description 27
- 230000004048 modification Effects 0.000 description 17
- 238000012986 modification Methods 0.000 description 17
- 239000000463 material Substances 0.000 description 9
- -1 polyethylene Polymers 0.000 description 9
- 238000013459 approach Methods 0.000 description 8
- 230000004308 accommodation Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 4
- 239000004696 Poly ether ether ketone Substances 0.000 description 4
- 230000017531 blood circulation Effects 0.000 description 4
- 239000000470 constituent Substances 0.000 description 4
- 229910052731 fluorine Inorganic materials 0.000 description 4
- 239000011737 fluorine Substances 0.000 description 4
- 229920002530 polyetherether ketone Polymers 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 206010051055 Deep vein thrombosis Diseases 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- 206010047249 Venous thrombosis Diseases 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 229920001721 polyimide Polymers 0.000 description 3
- 229920000098 polyolefin Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 229910017535 Cu-Al-Ni Inorganic materials 0.000 description 1
- 229910017773 Cu-Zn-Al Inorganic materials 0.000 description 1
- 208000005189 Embolism Diseases 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 210000000013 bile duct Anatomy 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003191 femoral vein Anatomy 0.000 description 1
- 239000003527 fibrinolytic agent Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002440 hepatic effect Effects 0.000 description 1
- KHYBPSFKEHXSLX-UHFFFAOYSA-N iminotitanium Chemical compound [Ti]=N KHYBPSFKEHXSLX-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 229910001000 nickel titanium Inorganic materials 0.000 description 1
- 210000003101 oviduct Anatomy 0.000 description 1
- 210000003513 popliteal vein Anatomy 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 229960000103 thrombolytic agent Drugs 0.000 description 1
- 210000000626 ureter Anatomy 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- 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
- 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
- A61B17/3205—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
- A61B17/320758—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
- A61B17/320783—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
- 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
- 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
-
- 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
- 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
- A61B2017/320733—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with a flexible cutting or scraping element, e.g. with a whip-like distal filament member
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Surgical Instruments (AREA)
Abstract
生体管腔に挿入されて当該生体管腔の物体を破砕するための医療デバイス(10)であって、回転駆動される長尺なシャフト部(20)と、湾曲可能な線材を備え、シャフト部(20)とともに回転可能な破砕部(60)と、線材の遠位側および近位側の少なくとも一方の端部の各々に固定され、シャフト部(20)の軸方向に沿ってスライド可能にシャフト部(20)に連結されているスライド部(50)と、を有し、シャフト部(20)は、回転時にスライド部(50)に接触してシャフト部(20)およびスライド部(50)の相対的な回転を制限する接触部(42)を有し、スライド部(50)が接触部(42)に当接後、スライド部(50)はシャフト部(20)の回転に合わせてシャフト部(20)と同方向に回転する。
Description
r1<ri<r2 ・・・式(1)
20、150、170、200、220、240、250 シャフト部、
21 シャフト外管(第1の管体)、
24 ルーメン(第1のルーメン)、
30 シャフト内管、
40 ガイドワイヤ用管体(凸部、第2の管体)、
41 ガイドワイヤルーメン(第2のルーメン)、
42、151、171 接触部、
50、130、140、160、180、190、241 スライド部、
54 収容凹部、
58、131、244 スリット、
59、132 端面、
60 破砕部、
61 螺旋部、
62、242 連結部、
141 溝、
191、243 凸部、
201 凹部、
210 フィルタ、
222、223 中実の部材(凸部)、
224 螺旋凸部(凸部)、
245 遠位側制限部、
246 近位側制限部、
247 操作用長尺体、
251 近位側スライド部、
252 遠位側スライド部、
253 近位凸部、
254 第1の遠位側制限部、
255 第1の近位側制限部、
256 遠位凸部、
257 第2の遠位側制限部、
258 第2の近位側制限部、
300、301、302 血栓、
r1 シャフト外管の半径、
r3 ガイドワイヤ用管体の半径。
Claims (11)
- 生体管腔に挿入されて当該生体管腔の物体を破砕するための医療デバイスであって、
回転駆動される長尺なシャフト部と、
湾曲可能な線材を備え、前記シャフト部とともに回転可能な破砕部と、
前記線材の遠位側および近位側の少なくとも一方の端部の各々に固定され、前記シャフト部の軸方向に沿ってスライド可能に前記シャフト部に連結されているスライド部と、を有し、
前記シャフト部は、回転時に前記スライド部に接触して前記シャフト部および前記スライド部の相対的な回転を制限する接触部を有し、
前記スライド部が前記接触部に当接後、前記スライド部は前記シャフト部の回転に合わせて前記シャフト部と同方向に回転する医療デバイス。 - 前記破砕部の遠位側の端部と近位側の端部の周方向の位置が前記シャフト部に対して固定された状態で、前記破砕部が前記シャフト部とともに回転する請求項1に記載の医療デバイス。
- 2つの前記スライド部の各々に接触する前記接触部は、軸方向に分かれている請求項1または2に記載の医療デバイス。
- 前記スライド部の前記シャフト部に対する遠位側への移動を制限する少なくとも1つの遠位側制限部と、
前記スライド部の前記シャフト部に対する近位側への移動を制限する少なくとも1つの近位側制限部と、を有する請求項1〜3のいずれか1項に記載の医療デバイス。 - 前記シャフト部に沿って延在し、遠位部が前記スライド部に固定されている操作用長尺体を有する請求項1〜4のいずれか1項に記載の医療デバイス。
- 前記スライド部およびシャフト部の一方は、前記シャフト部の軸方向に沿ってスリットまたは溝が設けられ、
前記スライド部およびシャフト部の他方は、前記スリットまたは溝にスライド可能に嵌合する凸部が設けられた請求項1〜5のいずれか1項に記載の医療デバイス。 - 前記スライド部は、前記スリットまたは溝が設けられ、
前記シャフト部は、前記凸部が設けられるとともに2つのルーメンを内部に有し、前記ルーメンの1つが前記凸部の内部に位置する請求項6に記載の医療デバイス。 - 前記接触部は、前記スリットまたは溝の縁を構成する端面に当接する請求項6または7に記載の医療デバイス。
- 前記シャフト部は、内部に第1のルーメンを有する第1の管体と、前記凸部であって内部に第2のルーメンを有して前記第1の管体と隣接する第2の管体と、を有し、
前記第1の管体の外周面の半径は、前記第2の管体の外周面の半径よりも大きい請求項6〜8のいずれか1項に記載の医療デバイス。 - 前記第1の管体の外径は、前記スリットまたは溝の縁を構成する対向する端面の間の幅よりも大きく、
前記第2の管体の外径は、前記スリットまたは溝の幅よりも小さい請求項9に記載の医療デバイス。 - 請求項1に記載の医療デバイスを使用して生体管腔の病変部に生じた物体を破砕するための処置方法であって、
前記シャフト部を生体管腔へ挿入し、前記破砕部を病変部に送達するステップと、
前記シャフト部を回転させ、前記スライド部を前記シャフト部の接触部に当接するステップと、
前記シャフト部により前記破砕部の遠位側の端部および近位側の端部を同時に回転させて前記物体に接触させて当該物体を破砕するステップと、を有する処置方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016045553 | 2016-03-09 | ||
JP2016045553 | 2016-03-09 | ||
PCT/JP2017/009016 WO2017154909A1 (ja) | 2016-03-09 | 2017-03-07 | 医療デバイスおよび処置方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2017154909A1 true JPWO2017154909A1 (ja) | 2019-01-10 |
JP6903632B2 JP6903632B2 (ja) | 2021-07-14 |
Family
ID=59790517
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018504516A Active JP6903632B2 (ja) | 2016-03-09 | 2017-03-07 | 医療デバイス |
Country Status (5)
Country | Link |
---|---|
US (2) | US11291467B2 (ja) |
EP (1) | EP3427678A4 (ja) |
JP (1) | JP6903632B2 (ja) |
CN (1) | CN108778165B (ja) |
WO (1) | WO2017154909A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11160572B2 (en) | 2014-01-03 | 2021-11-02 | Legacy Ventures LLC | Clot retrieval system |
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 |
USD943743S1 (en) * | 2019-01-15 | 2022-02-15 | Olympus Corporation | Stone retrieval basket for medical device |
JP6861267B1 (ja) * | 2019-12-19 | 2021-04-21 | セイコーインスツル株式会社 | 回転ツール |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004500171A (ja) * | 1999-12-06 | 2004-01-08 | バッカス バスキュラー, インコーポレイテッド | 血餅の破壊および回収のためのシステムおよび方法 |
JP2013521897A (ja) * | 2010-03-11 | 2013-06-13 | アドバンスド・カテーテル・セラピーズ・インコーポレーテツド | アテローム切除装置 |
WO2014141226A1 (en) * | 2013-03-15 | 2014-09-18 | National University Of Ireland | A device suitable for removing matter from inside the lumen and the wall of a body lumen |
JP5800439B2 (ja) * | 2008-06-05 | 2015-10-28 | カーディオバスキュラー システムズ, インコーポレイテッド | オフセット転回研磨要素を有する指向性アテレクトミーデバイス |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1439444A (en) | 1973-05-10 | 1976-06-16 | Rca Corp | Method ofjoining two preformed glass members by resistance heating of a metal sealing member |
FR2685190B1 (fr) * | 1991-12-23 | 1998-08-07 | Jean Marie Lefebvre | Dispositif rotatif d'atherectomie ou de thrombectomie a developpement transversal centrifuge. |
WO1993019679A1 (en) | 1992-04-07 | 1993-10-14 | The Johns Hopkins University | A percutaneous mechanical fragmentation catheter system |
US5836868A (en) * | 1992-11-13 | 1998-11-17 | Scimed Life Systems, Inc. | Expandable intravascular occlusion material removal devices and methods of use |
EP0794734B1 (en) * | 1993-04-29 | 2002-08-28 | SciMed Life Systems, Inc. | Expandable intravascular occlusion material removal device |
US5643296A (en) * | 1994-12-16 | 1997-07-01 | Devices For Vasclar Intervention | Intravascular catheter with guiding structure |
US5795322A (en) * | 1995-04-10 | 1998-08-18 | Cordis Corporation | Catheter with filter and thrombus-discharge device |
US6702830B1 (en) | 1999-09-17 | 2004-03-09 | Bacchus Vascular, Inc. | Mechanical pump for removal of fragmented matter and methods of manufacture and use |
US6371971B1 (en) * | 1999-11-15 | 2002-04-16 | Scimed Life Systems, Inc. | Guidewire filter and methods of use |
US8007508B2 (en) * | 2005-07-01 | 2011-08-30 | Cox John A | System for tissue dissection and retraction |
CA2677343C (en) | 2007-02-05 | 2016-06-21 | Boston Scientific Limited | Thrombectomy apparatus and method |
US7879056B2 (en) * | 2007-10-11 | 2011-02-01 | Keith Butterfield | Pleurabrade device |
US8298252B2 (en) * | 2008-09-22 | 2012-10-30 | Teleflex Medical, Inc. | Flow restoration systems and methods for use |
WO2015190576A1 (ja) * | 2014-06-13 | 2015-12-17 | テルモ株式会社 | 医療デバイス |
US10357275B2 (en) * | 2015-06-26 | 2019-07-23 | CARDINAL HEALTH SWITZERLAND 515 GmbH | Dual-basket self-centering rotational device for treatment of arterial occlusive disease with infinitely adjustable cutting size |
-
2017
- 2017-03-07 WO PCT/JP2017/009016 patent/WO2017154909A1/ja active Application Filing
- 2017-03-07 CN CN201780016030.3A patent/CN108778165B/zh active Active
- 2017-03-07 JP JP2018504516A patent/JP6903632B2/ja active Active
- 2017-03-07 EP EP17763249.4A patent/EP3427678A4/en active Pending
-
2018
- 2018-09-07 US US16/124,681 patent/US11291467B2/en active Active
-
2022
- 2022-02-24 US US17/680,025 patent/US20220233212A1/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004500171A (ja) * | 1999-12-06 | 2004-01-08 | バッカス バスキュラー, インコーポレイテッド | 血餅の破壊および回収のためのシステムおよび方法 |
JP5800439B2 (ja) * | 2008-06-05 | 2015-10-28 | カーディオバスキュラー システムズ, インコーポレイテッド | オフセット転回研磨要素を有する指向性アテレクトミーデバイス |
JP2013521897A (ja) * | 2010-03-11 | 2013-06-13 | アドバンスド・カテーテル・セラピーズ・インコーポレーテツド | アテローム切除装置 |
WO2014141226A1 (en) * | 2013-03-15 | 2014-09-18 | National University Of Ireland | A device suitable for removing matter from inside the lumen and the wall of a body lumen |
Also Published As
Publication number | Publication date |
---|---|
EP3427678A4 (en) | 2019-10-02 |
EP3427678A1 (en) | 2019-01-16 |
US20220233212A1 (en) | 2022-07-28 |
WO2017154909A1 (ja) | 2017-09-14 |
JP6903632B2 (ja) | 2021-07-14 |
US20190000500A1 (en) | 2019-01-03 |
CN108778165B (zh) | 2021-12-07 |
US11291467B2 (en) | 2022-04-05 |
CN108778165A (zh) | 2018-11-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP3027126B1 (en) | Atherectomy devices | |
WO2017154909A1 (ja) | 医療デバイスおよび処置方法 | |
JP6706611B2 (ja) | カテーテルシステム及び処置方法 | |
US10743905B2 (en) | Medical device and treatment method | |
EP3164088B1 (en) | Improved atherectomy device | |
WO2016204137A1 (ja) | 医療デバイスおよび処置方法 | |
JP6855490B2 (ja) | 医療デバイス | |
WO2017154748A1 (ja) | 医療デバイスおよび処置方法 | |
EP3508149A1 (en) | Medical device and treatment method | |
WO2017154749A1 (ja) | 医療デバイス | |
JP7381451B2 (ja) | 医療デバイス | |
WO2017164119A1 (ja) | 医療デバイスおよび処置方法 | |
JP2024518961A (ja) | ハイブリッドアテローム切除術デバイス | |
JP2017158785A (ja) | 医療デバイスおよび処置方法 | |
WO2022195875A1 (ja) | 医療デバイス | |
WO2018052123A1 (ja) | 医療デバイス |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20191010 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20201102 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20210103 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20210127 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20210322 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20210521 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20210607 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20210623 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6903632 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |