JP2009261948A - トロカール内での気体噴射流体除去 - Google Patents
トロカール内での気体噴射流体除去 Download PDFInfo
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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
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3462—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/70—Cleaning devices specially adapted for surgical instruments
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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
- A61B17/34—Trocars; Puncturing needles
- A61B17/3498—Valves therefor, e.g. flapper valves, slide valves
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Abstract
【解決手段】例えば、1実施形態では、例示的な装置は、ワーキングチャネルを画定する本体を含むことができ、ワーキングチャネルは、外科器具をそのワーキングチャネルに通すことができるように構成されサイズ決めされている。いくつかのシールが、挿入された外科器具に接触するようにワーキングチャネルの中に配されていてよい。シールまたは外科用アクセス装置の他の部品、ならびに外科器具自体の上の流体を除去するように、1つ以上の出口が、空気または吹入れ気体などの気体をワーキングチャネル内へ誘導するために方向付けられることができる。
【選択図】図1
Description
本開示は、概して、外科用アクセス装置から、かつ/または外科用アクセス装置を通された外科器具から、流体を除去する装置および方法、ならびに、そのような流体が蓄積するのを防ぐ装置および方法に関する。
腹腔鏡手術中、1つ以上の小さな切開部が腹部に形成され、トロカールが切開部を通して挿入されて、腹腔へのアクセスを提供する通路を形成する。トロカールは、腹腔内に様々な器具および用具を導入するため、ならびに、腹壁を器官より上に持ち上げるように吹入れ(insufflation)をもたらすために、用いられる。このような処置中に、内視鏡または腹腔鏡などの観察装置(scoping device)が、トロカールのうち1つを通して挿入され、外科医が、観察装置に連結された外部モニター上で術野を見ることを可能にする。
1実施形態では、ワーキングチャネルを画定する本体を含む外科用アクセス装置が、提供される。ワーキングチャネルは、外科器具がこのワーキングチャネルを通過することを可能にするように構成され、サイズ決めされることができる。外科用アクセス装置は、ワーキングチャネルを通して挿入された外科器具に接触するようにワーキングチャネルを少なくとも部分的に横切って延びるシール、および、本体の側壁を貫通して形成された少なくとも1つの出口も含むことができる。少なくとも1つの出口は、気体流を受け入れるように構成されてよく、シール上の流体を除去するようにワーキングチャネルのシールに向かって気体流を誘導するように方向付けられてよい。いくつかの実施形態では、少なくとも1つの出口は、その出口上に形成された、テーパー状ノズルを有することができる。
本明細書に開示される装置および方法の構造、機能、製造、および使用の原理の全体的理解を与えるため、特定の例示的な実施形態をこれから説明する。これらの実施形態のうちの1つ以上の例が、添付図面で示される。本明細書で特に説明され添付図面で示される装置および方法が非限定的な例示的な実施形態であること、ならびに本出願の範囲が特許請求の範囲によってのみ定められることを、当業者は理解するであろう。1つの例示的な実施形態と関連して示されるか、または説明される特徴は、他の実施形態の特徴と組み合わせられてよい。このような改変および変形体は、本開示の範囲内に含まれることが意図される。
Claims (27)
- 外科用アクセス装置において、
ワーキングチャネルを画定する本体であって、前記ワーキングチャネルは、前記ワーキングチャネルを通る外科器具の通過を可能にするように構成され、サイズ決めされている、本体と、
前記ワーキングチャネルを通して挿入される外科器具に接触するように前記ワーキングチャネルを少なくとも部分的に横切って延びる、シールと、
前記本体の側壁を貫通して形成され、気体流を受け入れるように構成された少なくとも1つの出口であって、前記少なくとも1つの出口は、前記シール上の流体を除去するため前記ワーキングチャネルの前記シールに向かって気体流を誘導するように方向付けられている、少なくとも1つの出口と、
を含む、外科用アクセス装置。 - 請求項1に記載の外科用アクセス装置において、
前記本体の側壁を貫通して形成されており、吹入れポートから気体流を受け入れ、前記ワーキングチャネルに気体流を送達するように構成された、少なくとも1つの出口、
をさらに含む、外科用アクセス装置。 - 請求項1に記載の外科用アクセス装置において、
前記本体は、近位端部、および遠位端部を有し、
前記少なくとも1つの出口は、前記シールに近位に配されている、外科用アクセス装置。 - 請求項1に記載の外科用アクセス装置において、
前記本体は、近位ハウジング、および前記ハウジングから延びており、体腔内に挿入されるように構成された、遠位カニューレを含む、外科用アクセス装置。 - 請求項4に記載の外科用アクセス装置において、
前記少なくとも1つのシール、および前記少なくとも1つの出口は、前記近位ハウジングに配される、外科用アクセス装置。 - 請求項1に記載の外科用アクセス装置において、
前記シールは、多層シール、ダックビルシール、フラッパーシール、環状シール、ゼロ閉鎖シール、スリット型開口部を備えたシール、一般的なシール、Oリング、隔壁シール、およびゲルシールのうちの少なくとも1つである、外科用アクセス装置。 - 請求項1に記載の外科用アクセス装置において、
前記少なくとも1つの出口は、前記少なくとも1つの出口から流れる気体を前記シールに向かって集中させるためにテーパー状ノズルを有する、外科用アクセス装置。 - 請求項1に記載の外科用アクセス装置において、
前記シールは、前記シールに形成された開口部を有し、
前記少なくとも1つの出口は、前記開口部に向かって気体を誘導するように方向付けられている、外科用アクセス装置。 - 請求項1に記載の外科用アクセス装置において、
前記シールは、前記シールに形成されたスリット型開口部を有し、
前記少なくとも1つの出口は、前記開口部に対して実質的に垂直または平行な方向のうちいずれかに、気体を誘導するように構成されている、外科用アクセス装置。 - 請求項1に記載の外科用アクセス装置において、
前記少なくとも1つの出口を通る気体流を制御するために前記少なくとも1つの出口と結合された、弁要素、
をさらに含む、外科用アクセス装置。 - 請求項10に記載の外科用アクセス装置において、
前記弁要素は、前記弁要素を通る気体流を制御するために信号を与える、制御装置に連結されている、外科用アクセス装置。 - 請求項1に記載の外科用アクセス装置において、
前記ワーキングチャネルおよび前記少なくとも1つの出口のうち少なくとも1つに連結された、排気ポート、
をさらに含む、外科用アクセス装置。 - トロカール組立体において、
外科器具を受容するようにサイズ決めされ構成されたワーキングチャネルを画定している、ハウジングと、
前記ハウジングに配されており、外科器具に接触するように前記ワーキングチャネルを少なくとも部分的に横切って延びている、シールと、
気体を受け入れるために前記ハウジングに形成された、少なくとも1つの入口と、
前記ワーキングチャネル内部にあり、前記少なくとも1つの入口と連絡している少なくとも1つの出口であって、前記少なくとも1つの出口は、前記少なくとも1つの入口から前記シールに向かって気体流を誘導するように方向付けられている、少なくとも1つの出口と、
を含む、トロカール組立体。 - 請求項13に記載のトロカール組立体において、
前記ハウジングは、前記ハウジングから延びるカニューレを有し、
前記ハウジングおよび前記カニューレは、外科器具を受容するようにサイズ決めされ構成された前記ワーキングチャネルを画定している、トロカール組立体。 - 請求項14に記載のトロカール組立体において、
前記ワーキングチャネル内部の少なくとも1つの出口であって、吹入れポートから気体流を受け入れ、前記ワーキングチャネルに気体流を送達するように構成された、少なくとも1つの出口、
をさらに含む、トロカール組立体。 - 請求項14に記載のトロカール組立体において、
前記ワーキングチャネルは、近位端部、および遠位端部を有し、
前記少なくとも1つの出口は、前記シールの近位に配されている、トロカール組立体。 - 請求項14に記載のトロカール組立体において、
前記シールは、多層シール、ダックビルシール、フラッパーシール、環状シール、ゼロ閉鎖シール、スリット型開口部を備えたシール、一般的なシール、Oリング、隔壁シール、およびゲルシールのうちの少なくとも1つである、トロカール組立体。 - 請求項14に記載のトロカール組立体において、
前記ハウジングに配され、前記シールとは異なる形状を有する第2のシールであって、前記第2のシールは、前記シールから離間しており、前記ワーキングチャネルを少なくとも部分的に横切って延びている、第2のシールと、
前記ワーキングチャネル内部にあり、前記少なくとも1つの入口と連絡している少なくとも1つの出口であって、前記少なくとも1つの出口は、前記少なくとも1つの入口から前記第2のシールに向かって気体を誘導するように方向付けられている、少なくとも1つの出口と、
をさらに含む、トロカール組立体。 - 請求項14に記載のトロカール組立体において、
前記少なくとも1つの出口を通る気体流を制御するために前記少なくとも1つの出口と結合された、弁要素、
をさらに含む、トロカール組立体。 - 請求項19に記載のトロカール組立体において、
前記弁要素は、前記弁要素を通る気体流を制御するために信号を与える、制御装置に連結されている、トロカール組立体。 - 請求項14に記載のトロカール組立体において、
前記ワーキングチャネル、前記少なくとも1つの出口、および前記少なくとも1つの入口のうち少なくとも1つに連結された、排気ポート、
をさらに含む、トロカール組立体。 - 請求項21に記載のトロカール組立体において、
前記排気ポートと結合されており、予め決められた圧力で前記排気ポートから気体を放出するように較正された、弁要素、
をさらに含む、トロカール組立体。 - 治療部位に外科器具を送達する方法において、
トロカール組立体のワーキングチャネルに外科器具を通すことであって、これにより、前記ワーキングチャネルに配された少なくとも1つのシールが前記外科器具に接触する、外科器具を通すことと、
前記少なくとも1つのシールから流体を除去するために前記少なくとも1つのシールに向かって気体を誘導することと、
を含む、方法。 - 請求項23に記載の方法において、
気体の流れが、前記少なくとも1つのシールに狙いをつけられている、方法。 - 請求項23に記載の方法において、
前記気体流の速度を制御すること、
をさらに含む、方法。 - 請求項25に記載の方法において、
前記気体は、前記外科器具が前記ワーキングチャネルを通過している間のみ、前記少なくとも1つのシールに対して誘導される、方法。 - 請求項23に記載の方法において、
排気路によって前記ワーキングチャネルから気体を放出すること、
をさらに含む、方法。
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US12/109,881 US8690831B2 (en) | 2008-04-25 | 2008-04-25 | Gas jet fluid removal in a trocar |
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US (1) | US8690831B2 (ja) |
EP (1) | EP2111808A3 (ja) |
JP (1) | JP2009261948A (ja) |
CN (1) | CN101564284A (ja) |
AU (1) | AU2009201498A1 (ja) |
CA (1) | CA2663471A1 (ja) |
MX (1) | MX2009004440A (ja) |
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- 2009-04-24 JP JP2009105997A patent/JP2009261948A/ja not_active Abandoned
- 2009-04-27 CN CNA2009101344000A patent/CN101564284A/zh active Pending
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Also Published As
Publication number | Publication date |
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US8690831B2 (en) | 2014-04-08 |
EP2111808A2 (en) | 2009-10-28 |
CN101564284A (zh) | 2009-10-28 |
US20090270818A1 (en) | 2009-10-29 |
AU2009201498A1 (en) | 2009-11-12 |
MX2009004440A (es) | 2009-10-26 |
CA2663471A1 (en) | 2009-10-25 |
EP2111808A3 (en) | 2010-06-23 |
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