JP5478933B2 - 外科アクセス装置における流体の吸収 - Google Patents
外科アクセス装置における流体の吸収 Download PDFInfo
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Description
本発明は、外科手術を行うための方法および装置に関し、詳細には、外科手術の際に視野を維持するための方法および装置に関する。
腹腔鏡手術の際に、1または複数の小さな切開部が腹部に形成され、トロカールがこのような切開部から挿入され、腹腔へのアクセスを可能にする通路が形成される。トロカールは、器官の上の腹壁を押し上げるためのガス注入を提供するのはもちろん、腹腔内に様々な器具や装置を挿入するために用いられる。このような処置の際に、内視鏡や腹腔鏡などのスコープ装置が、1つのトロカールの中に挿入され、外科医が、スコープ装置に接続された外部モニタの術野を観察することができるようにする。
本発明は、外科器具に流体が沈着するのを防止し、かつ/または外科器具から流体を除去するための方法および装置を提供する。一実施形態では、側壁が遠位側に延びている近位フランジを含むシールを有する、外科アクセス装置に用いるためのシール組立体を提供する。この側壁は、器具が貫通して配置された時の開位置と、器具が貫通して配置されていない時の密閉された閉位置との間で選択的に移動可能である。流体リムーバは、シールの遠位端部に近接して位置付けることができ、シールを通過する外科器具から流体を除去するように構成することができる。流体リムーバは、様々な構造を有することができ、一実施形態では、流体を吸収するための吸収要素、流体を擦り取るためのスクレーパ、および流体を移送する(wicking)ための移送要素のうちの1つまたは任意の組合せを含むことができる。
ここで、ここに開示する方法および装置の構造、機能、製造、および使用の原理の全てを理解できるように特定の例示的な実施形態を説明する。これらの実施形態の1または複数の例が、添付の図面に例示されている。当業者であれば、ここに明確に説明し、かつ添付の図面に例示する本発明の装置および方法が、限定目的ではない例示的な実施形態であり、本発明の範囲が、添付の特許請求の範囲のみによって規定されることを理解できよう。例示的な一実施形態に関連して例示または記載する特徴は、他の実施形態の特徴と組み合わせてもよい。このような変更形態および変形形態は、本発明の範囲内に含まれるものとする。
〔実施の態様〕
(1) 外科アクセス装置に使用するためのシール組立体において、
貫通する外科器具を受容するように構成された開口を有するシールと、
前記開口および前記開口を通過する外科器具のうちの少なくとも一方から流体を吸い取るように構成された、前記シールに結合された、吸収要素と、
を含む、シール組立体。
(2) 実施態様1記載のシール組立体において、
前記吸収要素は、前記吸収要素が前記シールの前記開口を通過する外科器具に接触してこの外科器具から流体を吸い取るよう構成されるように、前記開口に近接して位置付けられている、シール組立体。
(3) 実施態様1記載のシール組立体において、
前記シールは、前記開口を通過する外科器具から流体を擦り取るように構成されており、前記吸収要素は、前記シールによって前記外科器具から擦り取られた流体を吸収するように構成されている、シール組立体。
(4) 実施態様1記載のシール組立体において、
前記開口は、前記シールの近位面と遠位面との間に延び、前記吸収要素は、前記シールの前記近位面および前記遠位面のうちの一方に近接して位置付けられている、シール組立体。
(5) 実施態様1記載のシール組立体において、
前記吸収要素は、前記シールと一体形成されている、シール組立体。
(6) 実施態様1記載のシール組立体において、
前記シールは、このシールを貫通して配置される外科器具の周りにシールを形成するように構成された器具シール、および外科器具が前記シールを貫通して配置されていない時にシールを形成するように構成されたゼロ密閉シールのうちの少なくとも1つを含む、シール組立体。
(7) 実施態様1記載のシール組立体において、
前記吸収要素は、ポリエステル、レーヨン、酢酸セルロース、ナイロンポリエステル、ポリオレフィン、スパンボンドポリエチレンテレフタレート、ポリウレタンフォーム、およびこれらの組合せからなる群から選択される材料から形成されている、シール組立体。
(8) 実施態様1記載のシール組立体において、
前記シールの前記開口を通過する外科器具から流体を擦り取るように構成された、前記吸収要素に近接して位置付けられた、スクレーパ要素、
をさらに含む、シール組立体。
(9) 実施態様8記載のシール組立体において、
前記スクレーパ要素は、このスクレーパ要素を貫通するよう形成された開口であって、このスクレーパ要素を通過する外科器具の外周面を擦って流体を取るように構成された開口、を含む、シール組立体。
(10) 実施態様8記載のシール組立体において、
前記スクレーパ要素は、外科器具を受容して擦るための開口を有する、前記シールの遠位面から遠位側に延びた、円錐型スクレーパを含む、シール組立体。
(11) 実施態様10記載のシール組立体において、
前記吸収要素は、実質的に円錐型であり、前記円錐型スクレーパは、前記実質的に円錐型の吸収要素内に入れ子状に配設されている、シール組立体。
(12) 実施態様8記載のシール組立体において、
前記スクレーパ要素は、外科器具を受容して擦るための開口を有するディスクを含み、前記吸収要素は、前記ディスクによって擦り取られる流体を吸収するように構成された、前記ディスクに近接して位置付けられた、吸収リングを含む、シール組立体。
(13) 実施態様1記載のシール組立体において、
前記シールは、可撓性部材および複層保護部材を含み、前記吸収要素は、前記複層保護部材の層の間に位置付けられている、シール組立体。
(14) 実施態様13記載のシール組立体において、
前記吸収要素は、複層吸収要素を含む、シール組立体。
(15) 実施態様1記載のシール組立体において、
前記シールは、ゼロ密閉シールを含み、前記吸収要素は、前記ゼロ密閉シールの遠位面に近接して位置付けられた少なくとも2つの吸収フラッパードアを含む、シール組立体。
(16) 実施態様1記載のシール組立体において、
前記シールは、第2の部材内に入れ子状に配設された第1の部材を有するゼロ密閉シールを含み、前記吸収要素は、前記ゼロ密閉シールの前記第1の部材と前記第2の部材との間に位置付けられ、前記ゼロ密閉シールが開閉する際に流体を吸収するように構成されている、シール組立体。
(17) 実施態様1記載のシール組立体において、
前記吸収要素は、少なくとも2つの吸収バーを含み、この少なくとも2つの吸収バーは、前記シールの前記開口および前記少なくとも2つの吸収バーの間を通過する外科器具に接触してこの外科器具から流体を吸収するように構成されている、シール組立体。
(18) 実施態様1記載のシール組立体において、
前記吸収要素は、複数の吸収要素を含み、前記シール組立体は、前記複数の吸収要素に連通した複数のスクレーパをさらに含み、前記複数のスクレーパは、前記シールの前記開口を通過する外科器具から流体を擦り取るように構成されている、シール組立体。
(19) 外科アクセス装置において、
外科器具を受容する大きさおよび構造のワーキングチャネルを画定しているハウジングと、
前記ハウジング内に配設されたシールであって、前記ハウジングを貫通する前記ワーキングチャネルを通過する外科器具を受容するように位置付けられた開口を有する、シールと、
前記ハウジング内に配設された吸収要素であって、前記ワーキングチャネルを通過する外科器具に流体が再び沈着するのを防止するように流体を吸収するように構成されている、吸収要素と、
を含む、外科アクセス装置。
(20) 実施態様19記載の外科アクセス装置において、
前記吸収要素は、前記ハウジングを通過する外科器具から流体を吸い取るように位置付けられている、外科アクセス装置。
(21) 実施態様19記載の外科アクセス装置において、
前記吸収要素は、前記シールの前記開口から流体を吸い取るように位置付けられている、外科アクセス装置。
(22) 実施態様19記載の外科アクセス装置において、
前記ハウジングは、前記シールを収容する近位部分と、この近位部分から遠位側に延びた、体腔内に挿入されるように構成されている、遠位カニューレと、を含む、外科アクセス装置。
(23) 実施態様19記載の外科アクセス装置において、
前記吸収要素は、前記シールと一体形成されている、外科アクセス装置。
(24) 実施態様19記載の外科アクセス装置において、
前記吸収要素は、ポリエステル、レーヨン、酢酸セルロース、ナイロンポリエステル、ポリオレフィン、スパンボンドポリエチレンテレフタレート、ポリウレタンフォーム、およびこれらの組合せからなる群から選択される材料から形成されている、外科アクセス装置。
(25) 実施態様19記載の外科アクセス装置において、
ワーキングチャネルを通過する外科器具から流体を擦り取るように構成された、前記ハウジング内に配設された、スクレーパ、
をさらに含む、外科アクセス装置。
(26) 実施態様25記載の外科アクセス装置において、
前記吸収要素は、前記スクレーパによって擦り取られる流体を吸収するように構成されている、外科アクセス装置。
(27) 実施態様25記載の外科アクセス装置において、
前記スクレーパは、実質的に円錐型であり、外科器具を受容して擦るための開口を有する、外科アクセス装置。
(28) 実施態様27記載の外科アクセス装置において、
前記吸収要素は、実質的に円錐型であり、前記スクレーパは、前記吸収要素が前記スクレーパによって擦り取られる流体を吸収するよう構成されるように、前記吸収要素内に入れ子状に配設されている、外科アクセス装置。
(29) 実施態様25記載の外科アクセス装置において、
前記スクレーパは、外科器具を受容して擦るための開口を有するディスクを含み、前記吸収要素は、前記ディスクの前記開口に近接して位置付けられている、外科アクセス装置。
(30) 実施態様19記載の外科アクセス装置において、
前記吸収要素は、複数の吸収要素を含み、前記外科アクセス装置は、前記ワーキングチャネルを通過する外科器具から流体を擦り取るように構成された、前記複数の吸収要素に連通した、複数のスクレーパをさらに含む、外科アクセス装置。
(31) 実施態様19記載の外科アクセス装置において、
前記シールは、複層可撓性部材を含み、前記吸収要素は、前記複層保護部材の層の間に位置付けられている、外科アクセス装置。
(32) 実施態様19記載の外科アクセス装置において、
前記吸収要素および前記シールは、互いに接触するように位置付けられ、実質的に同じ形状を有する、外科アクセス装置。
(33) シール開口から流体を除去するための方法において、
アクセス装置におけるシールの開口に外科器具を通すことであって、前記外科器具上の流体が、前記アクセス装置の吸収要素によって吸収される、外科器具を通すこと、
を含む、方法。
(34) 実施態様33記載の方法において、
前記吸収要素は、前記器具から流体を吸い取る、方法。
(35) 実施態様33記載の方法において、
前記吸収要素は、前記器具によって前記シールに沈着した流体を吸い取る、方法。
(36) 実施態様33記載の方法において、
前記アクセス装置内に配設されたスクレーパ要素は、前記外科器具が前記アクセス装置を通過する際に前記外科器具から流体を擦り取る、方法。
(37) 実施態様36記載の方法において、
前記吸収要素は、前記スクレーパによって擦り取られた流体を吸収する、方法。
(38) 実施態様33記載の方法において、
前記吸収要素は、前記シールが開閉する際に流体を吸収する、方法。
(39) 実施態様33記載の方法において、
前記アクセス装置はトロカールを含み、
前記方法は、トロカールを組織内に挿入して、体腔内に延びるワーキングチャネルを形成すること、を含む、方法。
Claims (7)
- 外科アクセス装置に使用するためのシール組立体において、
貫通する外科器具を受容するように構成された開口を有するシールと、
前記シールに結合され、前記シールの前記開口の径方向外側に、外科器具に接触しないように配置された吸収要素と、
前記シールの前記開口を通過する外科器具から流体を擦り取るように構成された、前記吸収要素に近接して位置付けられた、スクレーパ要素と、を含み、
前記シールの前記開口を通過する外科器具上の流体が、前記スクレーパ要素により擦り取られて、前記吸収要素に送られて、前記吸収要素で吸収されるようになっている、シール組立体。 - 請求項1記載のシール組立体において、
前記開口は、前記シールの近位面と遠位面との間に延び、前記吸収要素は、前記シールの前記近位面および前記遠位面のうちの一方に近接して位置付けられている、シール組立体。 - 請求項1記載のシール組立体において、
前記吸収要素は、前記シールと一体形成されている、シール組立体。 - 請求項1記載のシール組立体において、
前記シールは、このシールを貫通して配置される外科器具の周りにシールを形成するように構成された器具シール、および外科器具が前記シールを貫通して配置されていない時にシールを形成するように構成されたゼロ密閉シールのうちの少なくとも1つを含む、シール組立体。 - 請求項1記載のシール組立体において、
前記吸収要素は、ポリエステル、レーヨン、酢酸セルロース、ナイロンポリエステル、ポリオレフィン、スパンボンドポリエチレンテレフタレート、ポリウレタンフォーム、およびこれらの組合せからなる群から選択される材料から形成されている、シール組立体。 - 請求項1記載のシール組立体において、
前記スクレーパ要素は、このスクレーパ要素を貫通するよう形成された開口であって、このスクレーパ要素を通過する外科器具の外周面を擦って流体を取るように構成された開口、を含む、シール組立体。 - 請求項1記載のシール組立体において、
前記スクレーパ要素は、外科器具を受容して擦るための開口を有する、前記シールの遠位面から遠位側に延びた、円錐型スクレーパを含む、シール組立体。
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CA (1) | CA2664831C (ja) |
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JP2009268902A (ja) | 2009-11-19 |
EP2113214A1 (en) | 2009-11-04 |
EP2502590A1 (en) | 2012-09-26 |
KR101673125B1 (ko) | 2016-11-16 |
CN101569519B (zh) | 2014-05-21 |
MX2009004582A (es) | 2009-10-27 |
US8579807B2 (en) | 2013-11-12 |
EP2502590B1 (en) | 2017-02-01 |
EP2113214B1 (en) | 2014-08-13 |
US20090270685A1 (en) | 2009-10-29 |
EP2502590B8 (en) | 2017-04-19 |
KR20090113790A (ko) | 2009-11-02 |
ES2621249T3 (es) | 2017-07-03 |
RU2009116369A (ru) | 2010-11-10 |
RU2508059C2 (ru) | 2014-02-27 |
CA2664831C (en) | 2016-06-21 |
CA2664831A1 (en) | 2009-10-28 |
PL2502590T3 (pl) | 2017-07-31 |
AU2009201661A1 (en) | 2009-11-12 |
CN101569519A (zh) | 2009-11-04 |
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