JP6063188B2 - 術領域確保装置 - Google Patents
術領域確保装置 Download PDFInfo
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- JP6063188B2 JP6063188B2 JP2012208090A JP2012208090A JP6063188B2 JP 6063188 B2 JP6063188 B2 JP 6063188B2 JP 2012208090 A JP2012208090 A JP 2012208090A JP 2012208090 A JP2012208090 A JP 2012208090A JP 6063188 B2 JP6063188 B2 JP 6063188B2
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Description
Claims (6)
- 液体が充填された腹腔内または後腹膜腔内に配置されることで、前記腹腔内または後腹膜腔内にある術領域への術阻害物の侵入を防止する術領域確保装置であって、
錐台形を構成するべく間隔を開けて配置された複数の線材を有する本体部であって、前記線材の姿勢および形状の少なくとも一方を変更することで最大径が変わる本体部を備え、
前記本体部は、液中で浮遊しないように、前記液体より比重が重い材料からなる、または、錘を備え、
前記本体部は、内視鏡を含む手術器具とは分離している、
ことを特徴とする術領域確保装置。 - 請求項1に記載の術領域確保装置であって、
前記本体部の側面は、周方向に間隔を開けて並び、それぞれが、下方に近づくにつれ中心軸から離れる傾斜方向に延びる複数の線材であって、力を付加することで傾斜方向が変わる複数の線材からなる、
ことを特徴とする術領域確保装置。 - 請求項1または2に記載の術領域確保装置であって、
前記本体部は、さらに、前記複数の線材の基端が接続される略リング状の基部を備え、
前記基部は、斜めに切断された切断部が形成されており、
前記基部は、外周面に内向きの力を加えると、前記切断部において、互いに対向する切断面が当たり合い、滑っていくことで、縮径する、
ことを特徴とする術領域確保装置。 - 請求項2または3に記載の術領域確保装置であって、さらに、
前記本体部の最大径よりも小さい内径を有し、前記本体部の外周囲に嵌めこまれた状態で前記本体部の軸方向に移動することで前記線材の傾斜角度を変更する環体を備える、ことを特徴とする術領域確保装置。 - 請求項1に記載の術領域確保装置であって、
前記本体部は、関節を介して連結されるとともに、姿勢および位置を互いに規制し合う複数の線材からなるリンク機構を有することを特徴とする術領域確保装置。 - 請求項1から5のいずれか1項に記載の術領域確保装置であって、
前記複数の線材は、超音波探触子から生じる超音波が透過可能な材料からなる、ことを特徴とする術領域確保装置。
Priority Applications (1)
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JP2012208090A JP6063188B2 (ja) | 2012-09-21 | 2012-09-21 | 術領域確保装置 |
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JP2012208090A JP6063188B2 (ja) | 2012-09-21 | 2012-09-21 | 術領域確保装置 |
Publications (2)
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JP2014061133A JP2014061133A (ja) | 2014-04-10 |
JP6063188B2 true JP6063188B2 (ja) | 2017-01-18 |
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JP2012208090A Expired - Fee Related JP6063188B2 (ja) | 2012-09-21 | 2012-09-21 | 術領域確保装置 |
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JP (1) | JP6063188B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6328950B2 (ja) * | 2014-02-19 | 2018-05-23 | 日機装株式会社 | 術領域確保装置 |
JP5940190B1 (ja) * | 2015-03-25 | 2016-06-29 | 日機装株式会社 | 術領域確保装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US5163949A (en) * | 1990-03-02 | 1992-11-17 | Bonutti Peter M | Fluid operated retractors |
JP3850094B2 (ja) * | 1997-02-12 | 2006-11-29 | オリンパス株式会社 | 超音波診断治療システムおよび治療用アダプタ |
DE20112861U1 (de) * | 2001-08-02 | 2002-12-19 | Bauernschmitt, Robert, Dr.med., 80999 München | Spreizvorrichtung |
JP5972599B2 (ja) * | 2012-02-22 | 2016-08-17 | 株式会社リバーセイコー | 観察視野拡張装置 |
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