JP6855286B2 - 医療デバイスおよび医療システム - Google Patents
医療デバイスおよび医療システム Download PDFInfo
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- JP6855286B2 JP6855286B2 JP2017042882A JP2017042882A JP6855286B2 JP 6855286 B2 JP6855286 B2 JP 6855286B2 JP 2017042882 A JP2017042882 A JP 2017042882A JP 2017042882 A JP2017042882 A JP 2017042882A JP 6855286 B2 JP6855286 B2 JP 6855286B2
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Images
Classifications
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- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
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- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
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- A61B17/22031—Gripping instruments, e.g. forceps, for removing or smashing calculi
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- A61B17/22031—Gripping instruments, e.g. forceps, for removing or smashing calculi
- A61B17/22032—Gripping instruments, e.g. forceps, for removing or smashing calculi having inflatable gripping elements
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- 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
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- 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
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- 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
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- 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
- A61B2017/2215—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions having an open distal end
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- A—HUMAN NECESSITIES
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- 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
Description
20 外シース、
21 外シース本体、
30、110、120 医療デバイス、
31、111、121 シャフト部、
31A シャフト部の遠位部、
31B シャフト部の近位部、
32、100、124 切削部、
33 操作部、
33A 貫通孔、
34 線状部、
34C 平坦面、
35、101 遠位連続部、
36、122 屈曲部、
37、102、103、123 切削刃、
40 捕獲デバイス、
41 捕獲用シース、
42 捕獲部、
42A 遠位側捕獲部、
42B 近位側捕獲部、
50 内シース、
60 血栓除去デバイス(除去デバイス)、
61 バルーン、
α 傾斜角度、
β 屈曲角度、
L 最大距離、
T 血栓。
Claims (9)
- 生体管腔内の物体を捕獲して体外へ除去する捕獲デバイスに挿入して使用される医療デバイスであって、
間隔を空けて並び、遠位側へ向かって延在する少なくとも2つの長尺なシャフト部と、
少なくとも2つの前記シャフト部の遠位部から遠位側へ延在する切削部と、を有し、
前記切削部は、
前記シャフト部に対して傾斜する少なくとも2つの線状部と、
少なくとも2つの前記線状部の遠位部から遠位側に延在する遠位連続部と、を有し、
少なくとも前記線状部は、鋭利な切削刃を有し、
少なくとも2つの前記シャフト部の近位部は、管状の操作部に連結されている医療デバイス。 - 前記切削刃は、前記遠位連続部の最遠位部よりも近位側に位置する請求項1に記載の医療デバイス。
- 前記線状部は、前記シャフト部の中心軸に対して屈曲する屈曲部を有し、
前記切削刃は、前記屈曲部よりも遠位側に位置する請求項1または2に記載の医療デバイス。 - 前記線状部は、当該線状部の延在方向と垂直な断面において平行な2つの平坦面を有し、
前記切削刃は、前記平坦面の縁部に形成される請求項1〜3のいずれか1項に記載の医療デバイス。 - 前記遠位連続部および当該遠位連続部から連続する2つの前記シャフト部は、1本の線材により形成されている請求項1〜4のいずれか1項に記載の医療デバイス。
- 生体管腔内に挿入されて、当該生体管腔内の物体を捕獲して体外へ除去するための医療システムであって、
生体管腔内の物体を捕獲するための捕獲デバイスと、
前記捕獲デバイスに捕獲された物体を破砕するための医療デバイスと、を有し、
前記医療デバイスは、
間隔を空けて並び、遠位側へ向かって延在する少なくとも2つの長尺なシャフト部と、
少なくとも2つの前記シャフト部の遠位部から遠位側へ延在する切削部と、を有し、
前記切削部は、
前記シャフト部に対して傾斜する少なくとも2つの線状部と、
少なくとも2つの前記線状部の遠位部から遠位側に延在する遠位連続部と、を有し、
少なくとも前記線状部は、鋭利な切削刃を有し、
少なくとも2つの前記シャフト部の近位部は、管状の操作部に連結され、
前記捕獲デバイスは、
管状の捕獲用シースと、前記捕獲用シースの遠位部に連結されて当該捕獲用シースと連通する管体であり、径方向へ拡張および収縮可能な捕獲部と、を有し、
前記切削部は、前記捕獲部の内部で当該捕獲部の周方向および軸方向へ移動可能である医療システム。 - 前記切削刃は、前記遠位連続部の最遠位部よりも近位側に位置する請求項6に記載の医療システム。
- 前記シャフト部の回転中心軸から、当該回転中心軸と直交する方向へ前記切削部の最も離れた部位までの最大距離は、拡張した前記捕獲部の最大内径以上である請求項6または7に記載の医療システム。
- 収縮させた前記捕獲部を収容可能な管状の外シースをさらに有する請求項6〜8のいずれか1項に記載の医療システム。
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JP2017042882A JP6855286B2 (ja) | 2017-03-07 | 2017-03-07 | 医療デバイスおよび医療システム |
US15/914,418 US10918401B2 (en) | 2017-03-07 | 2018-03-07 | Medical device, medical system, and treatment method |
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JP2017042882A JP6855286B2 (ja) | 2017-03-07 | 2017-03-07 | 医療デバイスおよび医療システム |
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EP3700615B1 (en) * | 2017-10-26 | 2022-08-24 | Teleflex Life Sciences Limited | Subintimal catheter device and assembly |
JP7150236B2 (ja) | 2018-01-29 | 2022-10-11 | 英博 山本 | 外科手術用吸引器具 |
CN111265277B (zh) | 2018-12-05 | 2021-06-29 | 先健科技(深圳)有限公司 | 取栓装置 |
WO2021183389A1 (en) * | 2020-03-13 | 2021-09-16 | United States Endoscopy Group, Inc. | Endoscopic snare device |
US11944343B2 (en) * | 2021-05-05 | 2024-04-02 | Covidien Lp | Aspiration catheter including mechanical cutter |
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US5092839A (en) * | 1989-09-29 | 1992-03-03 | Kipperman Robert M | Coronary thrombectomy |
US5171233A (en) * | 1990-04-25 | 1992-12-15 | Microvena Corporation | Snare-type probe |
US6544276B1 (en) * | 1996-05-20 | 2003-04-08 | Medtronic Ave. Inc. | Exchange method for emboli containment |
US5908435A (en) * | 1997-10-23 | 1999-06-01 | Samuels; Shaun L. W. | Expandable lumen device and method of use |
US6015415A (en) * | 1999-03-09 | 2000-01-18 | General Science And Technology | Polypectomy snare instrument |
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US20180256179A1 (en) | 2018-09-13 |
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