JP6578164B2 - 医療デバイス - Google Patents
医療デバイス Download PDFInfo
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- JP6578164B2 JP6578164B2 JP2015175358A JP2015175358A JP6578164B2 JP 6578164 B2 JP6578164 B2 JP 6578164B2 JP 2015175358 A JP2015175358 A JP 2015175358A JP 2015175358 A JP2015175358 A JP 2015175358A JP 6578164 B2 JP6578164 B2 JP 6578164B2
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- cover
- shaft
- sheath
- tube
- medical device
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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
- A61B17/320725—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
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12027—Type of occlusion
- A61B17/1204—Type of occlusion temporary occlusion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12099—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
- A61B17/12109—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
- A61B17/12168—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device having a mesh structure
- A61B17/12172—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device having a mesh structure having a pre-set deployed three-dimensional shape
-
- 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
- A61B17/320783—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
- A61B2017/00831—Material properties
- A61B2017/00862—Material properties elastic or resilient
-
- 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
- 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
- A61B2017/22051—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 an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation
- A61B2017/22065—Functions of balloons
- A61B2017/22067—Blocking; Occlusion
-
- 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
- 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
Description
20 規制器具、
21、21B、21C 線材、
21A 間隙、
22 拡張部、
23 シャフト部、
26 ガイドワイヤルーメン、
30 シース、
40 押圧シャフト、
70 カバー部、
70A 窪み部、
72 カバー中央部、
76 孔部、
77 折り返し部、
78 重なり部、
79 予備形状部、
100 除去デバイス、
300、301、302 血栓。
Claims (7)
- 生体管腔内に挿入されて当該生体管腔内の流れを規制するための医療デバイスであって、
長尺なシャフト部と、
複数の間隙を備えて弾性的に変形可能な管体であり、外力の作用しない自然状態において前記管体の両側の端部よりも中央部の外径が大きくなり、かつ前記管体の両側の端部の少なくとも一方に前記シャフト部が連結された拡張部と、
前記拡張部の外周を囲みつつ前記拡張部から独立して柔軟に変形可能であるとともに筒形状を呈し、当該筒形状の両端部が前記拡張部の両端部に連結され、前記拡張部が拡張する際に前記筒形状の内面同士が接触するように軸方向に折り返されて重なる重なり部を形成可能であるカバー部と、
縮径させた前記拡張部および前記カバー部を収容可能なシースと、を有する医療デバイス。 - 前記拡張部は、弾性的に変形可能な複数の線材により管状に編組されて形成される請求項1に記載の医療デバイス。
- 前記カバー部は、少なくとも遠位側のみに少なくとも1つの孔部が形成される請求項1または2に記載の医療デバイス。
- 前記カバー部は、内面同士が接触するように周方向に折り返されて重なる折り返し部を形成可能である請求項1〜3のいずれか1項に記載の医療デバイス。
- 前記カバー部は、収縮時に前記拡張部と接触する位置と、拡張時に前記拡張部と接触する位置とが異なる請求項1〜4のいずれか1項に記載の医療デバイス。
- 前記カバー部の収縮時の軸方向に延在する折り返し部の少なくとも一部が、前記カバー部の拡張時の前記重なり部に変形可能な請求項1〜5のいずれか1項に記載の医療デバイス。
- 前記シース内に収容されて前記シャフト部が貫通する管体であり、前記シース内の拡張部およびカバー部が通り抜け不能な内径で形成されて前記拡張部およびカバー部を前記シースから押し出す押圧シャフトをさらに有する請求項1〜6のいずれか1項に記載の医療デバイス。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015175358A JP6578164B2 (ja) | 2015-09-07 | 2015-09-07 | 医療デバイス |
US15/255,456 US20170065288A1 (en) | 2015-09-07 | 2016-09-02 | Medical device and treatment method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015175358A JP6578164B2 (ja) | 2015-09-07 | 2015-09-07 | 医療デバイス |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017051232A JP2017051232A (ja) | 2017-03-16 |
JP6578164B2 true JP6578164B2 (ja) | 2019-09-18 |
Family
ID=58189735
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015175358A Active JP6578164B2 (ja) | 2015-09-07 | 2015-09-07 | 医療デバイス |
Country Status (2)
Country | Link |
---|---|
US (1) | US20170065288A1 (ja) |
JP (1) | JP6578164B2 (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6855123B2 (en) | 2002-08-02 | 2005-02-15 | Flow Cardia, Inc. | Therapeutic ultrasound system |
US9955994B2 (en) | 2002-08-02 | 2018-05-01 | Flowcardia, Inc. | Ultrasound catheter having protective feature against breakage |
US7335180B2 (en) | 2003-11-24 | 2008-02-26 | Flowcardia, Inc. | Steerable ultrasound catheter |
US6942677B2 (en) | 2003-02-26 | 2005-09-13 | Flowcardia, Inc. | Ultrasound catheter apparatus |
US7758510B2 (en) | 2003-09-19 | 2010-07-20 | Flowcardia, Inc. | Connector for securing ultrasound catheter to transducer |
US8246643B2 (en) | 2006-11-07 | 2012-08-21 | Flowcardia, Inc. | Ultrasound catheter having improved distal end |
WO2013109269A1 (en) | 2012-01-18 | 2013-07-25 | Bard Peripheral Vascular, Inc. | Vascular re-entry device |
WO2014022716A2 (en) | 2012-08-02 | 2014-02-06 | Flowcardia, Inc. | Ultrasound catheter system |
US20180140321A1 (en) | 2016-11-23 | 2018-05-24 | C. R. Bard, Inc. | Catheter With Retractable Sheath And Methods Thereof |
US11596726B2 (en) | 2016-12-17 | 2023-03-07 | C.R. Bard, Inc. | Ultrasound devices for removing clots from catheters and related methods |
US10758256B2 (en) * | 2016-12-22 | 2020-09-01 | C. R. Bard, Inc. | Ultrasonic endovascular catheter |
US10582983B2 (en) | 2017-02-06 | 2020-03-10 | C. R. Bard, Inc. | Ultrasonic endovascular catheter with a controllable sheath |
CN107898487B (zh) * | 2017-11-28 | 2023-11-03 | 郑州大学第一附属医院 | 一种具有仿生水母收缩膨胀功能的通用型血栓碎取装置 |
JP7381451B2 (ja) * | 2018-03-29 | 2023-11-15 | テルモ株式会社 | 医療デバイス |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6152946A (en) * | 1998-03-05 | 2000-11-28 | Scimed Life Systems, Inc. | Distal protection device and method |
US7819841B2 (en) * | 2004-08-18 | 2010-10-26 | Medtronic Vascular, Inc. | Vessel isolation device |
WO2008091991A2 (en) * | 2007-01-25 | 2008-07-31 | Trinity Health-Michigan | Blood vessel occluder and method of use |
US8474120B2 (en) * | 2009-10-09 | 2013-07-02 | W. L. Gore & Associates, Inc. | Bifurcated highly conformable medical device branch access |
-
2015
- 2015-09-07 JP JP2015175358A patent/JP6578164B2/ja active Active
-
2016
- 2016-09-02 US US15/255,456 patent/US20170065288A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20170065288A1 (en) | 2017-03-09 |
JP2017051232A (ja) | 2017-03-16 |
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