JP5265922B2 - 内部通路内の位置決め方法及び装置 - Google Patents
内部通路内の位置決め方法及び装置 Download PDFInfo
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Description
sinθ=Lp/L1
cosθ=πD/L1
tanθ=Lp/πD
L1=LT/NT
Lpp=Lpcosθ=πDLp/L1
Wn=Lpp−2ID=πDLp/L1−2ID
Wn<Sp
β=(IDsinθ)/R
であり、上式において、R=D/2が螺旋の半径なので、線分Px3Px1(267),Px3Px2(269)の長さは、それぞれ、(R−Rcosβ),(Rsinβ)である。かくして、画像化深さIoと半幅IDとの間の関係は、次の通りである。
Io 2=(IDcosθ)2+(R−Rcosβ)2+(Rsinβ)2
Io 2=(IDcosθ)2+(R−Rvcosβ)2+(Rsinβ)2
〔数11〕
β=(IDsinθ)/Rv
Claims (6)
- 細長い組立体であって、
近位部分と、
血管内に挿入されるべき遠位部分とを有し、前記遠位部分は、前記近位部分中で制御可能であり、前記遠位部分は、細長いシースを有し、前記細長いシースは、前記シースに沿って動くことができるコアを収容し、前記遠位部分は、前記細長いシースに結合される案内構造体を更に有し、前記案内構造体は、第1の形態の第1の全体直径から第2の形態の第2の全体直径まで前記遠位部分の全体直径を増大させるよう前記近位部分中で制御可能であり、前記第2の形態では、前記細長いシースは、複数の螺旋を有する実質的に螺旋の形状を有し、
さらに、画像化する間、コアが螺旋内を通過するのを容易にする制御機構を有し、
画像化する間、コアを螺旋内で移動させる動作は、螺旋通路に沿って画像化するためのものであり、
前記コアは、血管の螺旋通路に沿って光ビームの投射、及び血管の螺旋通路からの光の受け取りの少なくとも一方を行うことができ、
前記シースは、螺旋の外側に、コアが血管の壁を走査し、画像化できるようにするための実質的に透明/半透明の窓を有する、組立体。 - 組立体であって、
血管に沿って配置される、複数の螺旋を有する螺旋形状を備えたシースを有し、前記シースは、前記血管の一部分への光ビームの投射及び前記血管の一部分からの光の受け取りのうちの少なくとも一方を行うことができるコアを収容するようになっており、前記コアは、前記血管の少なくとも螺旋部分を走査するよう前記シースに沿って動くことができるようになっており、
さらに、画像化する間、コアが螺旋内を通過するのを容易にする制御機構を有し、
画像化する間、コアを螺旋内で移動させる動作は、螺旋通路に沿って画像化するためのものであり、
前記シースは、血管の壁をOCT走査するために光がシース材料を通れるように、少なくとも螺旋の後側部分について透明である、組立体。 - 遠位部分及び近位部分を有する組立体であって、前記遠位部分は、血管内に挿入されるようになっており、前記遠位部分は、前記近位部分に対する操作により制御可能であり、前記組立体は、
前記遠位部分のところに設けられていて、前記血管の一部分への光ビームの投射及び前記血管の一部分からの光の受け取りのうちの少なくとも一方を行うことができるコアを収容するシースと、
前記近位部分のところの操作により前記血管内で、複数の螺旋を有する前記シースの形状を調節する手段と、
画像化する間、コアが螺旋内を通過するのを容易にするために制御機構を使用する手段とを有し、
画像化する間、コアを螺旋内で移動させる動作は、螺旋通路に沿って画像化するためのものであり、前記シースは、血管の壁をOCT走査するために光ビーム及び光がシース材料を通れるように、少なくとも螺旋の外側について実質的に透明である、組立体。 - 遠位部分及び近位部分を備えた組立体であって、前記遠位部分は、血管内に挿入されるようになっており、前記遠位部分は、前記近位部分に対する操作により制御可能であり、前記組立体は、
前記遠位部分のところに設けられていて、前記血管の一部分への光ビームの投射及び前記血管の一部分からの光の受け取りのうちの少なくとも一方を行うことができるコアを収容するシースと、
前記シースに結合されたコントローラとを有し、前記コントローラは、前記近位部分のところでの操作により前記血管内における、複数の螺旋を有する前記シースの形状を調節するようになっており、
さらに、画像化する間、コアが螺旋内を通過するのを容易にする制御機構を有し、
画像化する間、コアを螺旋内で移動させる動作は、螺旋通路に沿って画像化するためのものであり、前記シースは、血管の壁をOCT走査するために光が通れるように、少なくとも螺旋の後側部分について透明であり、前記シースと前記壁との間の距離は、前記螺旋の外側に沿ってほぼゼロであり、前記壁の組織内に入る線に沿った画像を作るようになっている、組立体。 - 血管内に挿入されるようになった組立体であって、
シースを有し、前記シースは、前記血管の一部分への光ビームの投射及び前記血管の一部分からの光の受け取りのうちの少なくとも一方を行うことができるコアを収容し、前記コアは、血管の少なくとも一部分を走査するよう、複数の螺旋を有する前記シースに沿って動くことができ、
前記シースの少なくとも一部分に結合された支持体を有し、前記支持体は、前記シースと前記血管との間の信号経路の少なくとも一部分を無くし又は減少させるよう形状を変更させることができる、
さらに、画像化する間、コアが螺旋内を通過するのを容易にする制御機構を有し、
画像化する間、コアを螺旋内で移動させる動作は、螺旋通路に沿って画像化するためのものであり、前記シースは、血管の壁をOCT走査するために光ビーム及び光がシース材料を通れるように、少なくとも螺旋の外側について実質的に透明であり、前記シースと前記壁との間の距離は、前記螺旋の外側に沿ってほぼゼロであり、前記壁の組織内に入る線に沿った画像を作るようになっている、組立体。 - 前記シースと前記壁との間の距離は、前記螺旋の外側に沿ってほぼゼロであり、前記壁の組織内に入る線に沿った画像を作るようになっている、請求項1乃至3の何れか1項に記載の組立体。
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-
2004
- 2004-12-20 US US11/018,634 patent/US8983582B2/en not_active Expired - Fee Related
-
2005
- 2005-12-15 JP JP2007548317A patent/JP5265922B2/ja not_active Expired - Fee Related
- 2005-12-15 WO PCT/US2005/045509 patent/WO2006068927A2/en active Application Filing
- 2005-12-15 EP EP07015145.1A patent/EP1870031B1/en not_active Not-in-force
- 2005-12-15 EP EP07015146A patent/EP1859732A1/en not_active Withdrawn
- 2005-12-15 EP EP05854272A patent/EP1833363A2/en not_active Withdrawn
-
2015
- 2015-02-11 US US14/620,039 patent/US20150164423A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP1833363A2 (en) | 2007-09-19 |
EP1859732A1 (en) | 2007-11-28 |
US20150164423A1 (en) | 2015-06-18 |
US8983582B2 (en) | 2015-03-17 |
US20060135870A1 (en) | 2006-06-22 |
WO2006068927A3 (en) | 2007-09-20 |
EP1870031B1 (en) | 2016-09-14 |
JP2008523954A (ja) | 2008-07-10 |
WO2006068927A2 (en) | 2006-06-29 |
EP1870031A1 (en) | 2007-12-26 |
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