JP5833776B2 - フィデューシャル配備システム - Google Patents
フィデューシャル配備システム Download PDFInfo
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- JP5833776B2 JP5833776B2 JP2014554923A JP2014554923A JP5833776B2 JP 5833776 B2 JP5833776 B2 JP 5833776B2 JP 2014554923 A JP2014554923 A JP 2014554923A JP 2014554923 A JP2014554923 A JP 2014554923A JP 5833776 B2 JP5833776 B2 JP 5833776B2
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Description
本出願は、全体として参照により本明細書に組み込まれる、2012年1月30日に出願された米国仮特許出願第61/592,188号明細書に対する優先権を主張する。
折畳み可能に外広がり(splayed)になっている。すなわち、スタイレット240は、スタイレット240の長手方向軸から可逆的に曲がっているかまたは蝶番式に動く、少なくとも1つの外広がり遠位端部分242を含む。この外広がり部分は、スタイレットの1つ、2つ、3つまたはそれより多くの外広がり部分を含むことができ、それらはすべて遠位端にあってもよく、かつ/または遠位端の近くでスタイレットの長さに沿って長手方向に間隔を空けて配置されていてもよい。外広がり部分242を、外側へ広がるように付勢されたつかみ具、外側へ広がるように付勢された又、または折畳み可能でありかつ本明細書に記載する方法を効率的に行うことができる、本技術分野の範囲内にある他の構造として構成することができる。
Claims (16)
- 針であって、
略管状カニューレ本体であって、前記カニューレ本体の少なくとも縦方向部分を通って配置された針内腔を画定するカニューレ本体と、
遠位針端部領域であって、前記針内腔の遠位端に遠位針端部開口部を含む遠位針端部領域と、
を含む針と、
前記針内腔内に摺動可能に配置されたフィデューシャル本体を備える少なくとも1つのフィデューシャルであって、前記フィデューシャル本体が、その内部を通って長手方向に延びるフィデューシャル開口部を含む、少なくとも1つのフィデューシャルと、
前記少なくとも1つのフィデューシャルの近位でありかつそれと接触する、前記針内腔を通って長手方向に摺動可能に配置された押出部であって、前記少なくとも1つのフィデューシャルを前記遠位針端部開口部から出るように前進させるように構成された押出部と、
前記針内腔の一部と前記少なくとも1つのフィデューシャルの前記開口部とを通って長手方向に延在するスタイレットと、
を具備し、
前記スタイレットが少なくとも1つの外広がり遠位端部分を含み、前記遠位端部分が、前記少なくとも1つのフィデューシャルのうちの最遠位のフィデューシャルを、その遠位端面に接して、解放可能に保持するように、外側へ広がるように付勢され、かつ、前記スタイレットは、前記フィデューシャル開口部の断面領域を通過可能な程度に折畳み可能であり、前記外広がり遠位端部分を折り畳んで前記フィデューシャル開口部を通して、前記外広がり遠位端部分が前記フィデューシャル開口部による収縮から解放されるまで前記スタイレットを引っ張って、前記最遠位のフィデューシャルを開放し、その後、前記外広がり部材が前記フィデューシャル開口部の収縮から解放されると、再度開いて、最遠位フィデューシャルの近位端に接触して該近位端を押し出すように構成される、フィデューシャル配備システム。 - 前記押出部が、内部を通って長手方向に配置された押出部内腔を含む押出カニューレとして具現化され、前記押出部内腔を通って、前記スタイレットの一部が摺動可能に延在する、請求項1に記載のフィデューシャル配備システム。
- 前記押出カニューレが、前記押出部内腔を包囲する管状の長さ部分を含む、請求項2に記載のフィデューシャル配備システム。
- 前記少なくとも1つのフィデューシャルが、略円柱状部分を含む、請求項1に記載のフィデューシャル配備システム。
- 前記針が、少なくとも1つのエコー源性増強領域を含む、請求項1に記載のフィデューシャル配備システム。
- 前記針内腔の主な長さの内径より小さい狭窄した内径を形成するように、前記針内腔内に半径方向に延在する保持デテントとして構成された少なくとも1つの針突起をさらに具備し、前記少なくとも1つの針突起が、前記管状カニューレ本体のくぼみによって提供される、請求項1に記載のフィデューシャル配備システム。
- 前記スタイレットの少なくとも1つの外広がり遠位端部が、前記少なくとも1つのフィデューシャルの近位面と係合し、前記少なくとも1つのフィデューシャルを、前記少なくとも1つの突起を越えて前記針内腔内を遠位方向に押して前進させるように構成される、請求項6に記載のフィデューシャル配備システム。
- 前記少なくとも1つのフィデューシャルが、各々が近位フィデューシャル端部および遠位フィデューシャル端部を含む複数のフィデューシャルを含み、前記フィデューシャルのうちの少なくとも1つの前記近位端部が、前記フィデューシャルのうちの別のものの前記
遠位端部にすぐ隣接している、請求項1に記載のフィデューシャル配備システム。 - 前記少なくとも1つの外広がり部分が、前記スタイレットの遠位端部に概して横切る分割部を備える、請求項1に記載のフィデューシャル配備システム。
- 前記針が、経食道胃腸内視鏡を通して有効に配備されるように十分な長さおよび可撓性を有する内視鏡針として構成される、請求項1に記載のフィデューシャル配備システム。
- 前記針が、経皮針として構成される、請求項1に記載のフィデューシャル配備システム。
- 前記フィデューシャル本体が、前記フィデューシャル開口部を包囲する管状長さ部分を含む、請求項1に記載のフィデューシャル配備システム。
- 前記フィデューシャル本体が、前記フィデューシャル開口部を部分的に包囲するU字型断面を有する長さ部分を含む、請求項1に記載のフィデューシャル配備システム。
- 前記少なくとも1つの外広がり部分が、外側へ広がるように付勢されたつかみ具として構成される、請求項1に記載のフィデューシャル配備システム。
- 前記少なくとも1つのフィデューシャル本体が実質的に中空である、請求項1に記載のフィデューシャル配備システム。
- 針であって、前記針の全長を通して長手方向針内腔を画定する略管状本体を含む針であって、
前記針の遠位針端部領域が、前記針内腔内に半径方向に延在する保持デテントを含むことにより、前記針内腔の主な長さの内腔より小さい狭窄した内腔を形成する、針と、
複数の管状フィデューシャルであって、各々が、前記針内腔内で遠位から近位に位置合せされて長手方向に摺動可能に配置されたフィデューシャル本体を備え、各フィデューシャル本体が、その内部を通って長手方向に延在するフィデューシャル開口部を含む、フィデューシャルと、
前記フィデューシャルのうちの最遠位フィデューシャルの近位のかつそれに接触する、前記針内腔を通って長手方向に摺動可能に配置された押出カニューレであって、その内部を通って長手方向に配置された押出部内腔を含み、前記押出部が、前記フィデューシャルを、前記少なくとも1つの突起を越えて前記遠位針端部開口部から出るように前進させるように構成されている、押出カニューレと、
前記針内腔の一部、前記押出部内腔の一部、および前記フィデューシャルのうちの少なくとも1つの前記開口部を通って長手方向に延在するスタイレットと、
を具備し、
前記スタイレットが少なくとも1つの外広がり遠位端部分を含み、前記遠位端部分が、前記少なくとも1つのフィデューシャルのうちの最遠位のフィデューシャルを、その遠位端面に接して、解放可能に保持するように、外側へ広がるように付勢され、かつ、前記スタイレットは、前記フィデューシャル開口部の断面領域を通過可能な程度に折畳み可能であり、前記外広がり遠位端部分を折り畳んで前記フィデューシャル開口部を通して、前記外広がり遠位端部分が前記フィデューシャル開口部による収縮から解放されるまで前記スタイレットを引っ張って、前記最遠位のフィデューシャルを開放し、その後、前記外広がり部材が前記フィデューシャル開口部の収縮から解放されると、再度開いて、最遠位フィデューシャルの近位端に接触して該近位端を押し出すように構成される、フィデューシャル配備システム。
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