JP7759901B2 - 複数画像取得のための撮像装置及び方法 - Google Patents
複数画像取得のための撮像装置及び方法Info
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Description
本出願は、2020年6月25日出願の米国仮特許出願第63/043994号及び2020年6月25日出願の米国仮特許出願第63/044090号の優先権を主張し、この両出願の内容が参照によりここに取り込まれる。
Claims (32)
- 被検体の身体の所定の領域の時系列の動的な生体内画像を取得する撮像装置であって、
少なくとも3台のエネルギー源と、
少なくとも3台の検出器であって、前記エネルギー源と前記検出器の間に位置する前記被検体の身体の前記領域を通過する前記少なくとも3台のエネルギー源からのエネルギーを検出するための少なくとも3台の検出器であって、少なくとも2対のエネルギー源及び検出器が第1の平面内で前記被検体の身体の周りに空間的に位置決めされ、少なくとも1対のエネルギー源及び検出器が第2の平面内で前記被検体の身体の周りに空間的に位置決めされ、前記第1の平面と前記第2の平面とは撮像対象の前記被検体の身体の前記領域を通って交差する、少なくとも3台の検出器と、
前記エネルギー源及び前記検出器を動作させて、前記エネルギー源及び前記検出器から前記被検体の身体の前記領域の少なくとも3個の時系列の動的な生体内画像を取得するように構成されたコントローラと、
を含む撮像装置。 - 前記コントローラは、前記被検体の身体の前記領域を通る少なくとも3個の撮像角度を用いて前記画像を取得するように構成され、前記被検体の身体を通る前記第1の平面内に少なくとも2つの撮像角度が与えられ、前記被検体の身体を通る前記第2の平面内に少なくとも1つの撮像角度が与えられる、請求項1に記載の撮像装置。
- 前記第1の平面内の前記少なくとも2つの撮像角度が、45~90度の範囲で離間される、請求項2に記載の撮像装置。
- 前記検出器の少なくとも1台は、各前記エネルギー源に対して傾斜される、請求項1から3のいずれか一項に記載の撮像装置。
- 前記検出器の少なくとも1台は、各前記エネルギー源に対して実質的に整列される、請求項1から4のいずれか一項に記載の撮像装置。
- 前記第1の平面内の少なくとも2台の前記エネルギー源及び少なくとも2台の前記検出器の各々は、前記被検体の身体を通る前記第1の平面内の各共通の弧上に配置される、請求項1から5のいずれか一項に記載の撮像装置。
- 少なくとも4台のエネルギー源及び少なくとも4台の検出器を含み、少なくとも3対のエネルギー源及び検出器が前記第1の平面内に空間的に位置決めされ、少なくとも1対のエネルギー源及び検出器が前記第2の平面内に空間的に位置決めされる、請求項1から6のいずれか一項に記載の撮像装置。
- 前記コントローラは、前記被検体の身体の前記領域を通る少なくとも4個の撮像角度を用いて前記画像を取得するように構成され、前記被検体の身体を通る前記第1の平面内に少なくとも3個の撮像角度が与えられ、前記被検体の身体を通る前記第2の平面内に少なくとも1つの撮像角度が与えられる、請求項7に記載の撮像装置。
- 前記第1の平面内の前記少なくとも3個の撮像角度は、45~90度の範囲で相互から離間される、請求項8に記載の撮像装置。
- 前記第1の平面内の少なくとも3台の前記エネルギー源及び少なくとも3台の前記検出器の各々は、前記被検体の身体を通る前記第1の平面内の各共通の弧上に配置される、請求項7から9のいずれか一項に記載の撮像装置。
- 少なくとも1対のエネルギー源及び検出器が、前記第1及び第2の平面の双方内に配置される、請求項1から10のいずれか一項に記載の撮像装置。
- 少なくとも4台のエネルギー源及び少なくとも4台の検出器を含み、少なくとも2対のエネルギー源及び検出器が前記第1の平面内に空間的に位置決めされ、少なくとも2対のエネルギー源及び検出器が前記第2の平面内に空間的に位置決めされる、請求項1から6のいずれか一項に記載の撮像装置。
- 前記コントローラは、前記被検体の身体の前記領域を通る少なくとも4個の撮像角度を用いて前記画像を取得するように構成され、前記被検体の身体を通る前記第1の平面内に少なくとも2つの撮像角度が与えられ、前記被検体の身体を通る前記第2の平面内に少なくとも2つの撮像角度が与えられる、請求項12に記載の撮像装置。
- 前記第2の平面内の前記少なくとも2つの撮像角度は、45~70度の範囲で離間される、請求項13に記載の撮像装置。
- 前記検出器の少なくとも2台はそれぞれの前記エネルギー源に対して傾斜され、前記検出器の少なくとも2台はそれぞれの前記エネルギー源に対して実質的に整列される、請求項12から14のいずれか一項に記載の撮像装置。
- 前記第2の平面内の少なくとも2台の前記エネルギー源及び少なくとも2台の前記検出器の各々は、前記第2の平面内の各共通の弧上に配置される、請求項12から14のいずれか一項に記載の撮像装置。
- 前記第2の平面は、前記第1の平面に対して70~90度の角度でオフセットされる、請求項1から16のいずれか一項に記載の撮像装置。
- 前記第1の平面は前記被検体の身体を通る横断面であり、前記第2の平面は前記被検体の身体を通る矢状面である、請求項17に記載の撮像装置。
- 前記被検体を前記エネルギー源と前記検出器の間に直立配向で収容するように構成された請求項1から18のいずれか一項に記載の撮像装置。
- 前記被検体を前記エネルギー源よりも前記検出器に近い位置において前記エネルギー源と前記検出器の間に収容するように構成された請求項1から19のいずれか一項に記載の撮像装置。
- 前記コントローラが、前記エネルギー源及び前記検出器を動作させて前記被検体の身体の前記領域の時系列の動的な生体内画像を前記検出器の各々から同時に又は実質的に同時に取得するように構成された、請求項1から20のいずれか一項に記載の撮像装置。
- 前記検出器の各々から取得された前記時系列の画像に基づいて3次元モーションフィールドを再構築するように構成されたプロセッサをさらに含む請求項21に記載の撮像装置。
- X線イメージング、超音波イメージング及び磁気共鳴イメージング(MRI)のうちの1以上での使用のために構成された請求項1から22のいずれか一項に記載の撮像装置。
- 撮像対象の前記被検体の身体の前記領域は、前記被検体の肺の少なくとも一部を含み、前記時系列の画像は、前記被検体が呼吸をする間に取得される、請求項1から23のいずれか一項に記載の撮像装置。
- 被検体の身体の所定の領域の時系列の動的な生体内画像を取得する方法であって、
撮像装置を提供するステップであって、
少なくとも3台のエネルギー源と、
少なくとも3台の検出器であって、前記エネルギー源と前記検出器の間に位置する前記被検体の身体の前記領域を通過する前記少なくとも3台のエネルギー源からのエネルギーを検出するための少なくとも3台の検出器であって、少なくとも2対のエネルギー源及び検出器が第1の平面内で前記被検体の身体の周りに空間的に位置決めされ、少なくとも1対のエネルギー源及び検出器が第2の平面内で前記被検体の身体の周りに空間的に位置決めされ、前記第1の平面と前記第2の平面とは撮像対象の前記被検体の身体の前記領域を通って交差する、少なくとも3台の検出器と、
前記エネルギー源及び前記検出器を動作させて前記被検体の身体の前記領域の少なくとも3個の時系列の動的な生体内画像を取得するように構成されたコントローラと、
を含む撮像装置を提供するステップと、
前記被検体の身体の前記領域の少なくとも3個の前記時系列の動的な生体内画像を取得するように前記コントローラを動作させるステップと、
を含む方法。 - 前記被検体の身体の前記領域の時系列の動的な生体内画像を前記検出器の各々から同時に又は実質的に同時に取得するように前記コントローラを動作させるステップをさらに含む請求項25に記載の方法。
- プロセッサを用いて、前記検出器の各々から取得された前記時系列の画像に基づいて3次元モーションフィールドを再構築するステップをさらに含む請求項26に記載の方法。
- 前記画像を取得するように前記コントローラを動作させる前に、前記撮像装置内の前記被検体を前記エネルギー源と前記検出器の間に直立配向で位置決めするステップをさらに含む請求項25から27のいずれか一項に記載の方法。
- 前記撮像装置が、X線イメージング、超音波イメージング及び磁気共鳴イメージング(MRI)のうちの1以上での使用のために構成された請求項25から28のいずれか一項に記載の方法。
- 撮像対象の前記被検体の身体の前記領域は、前記被検体の肺の少なくとも一部を含む、請求項25から29のいずれか一項に記載の方法。
- 前記被検体の前記領域の少なくとも3個の前記時系列の動的な生体内画像は、前記エネルギー源及び前記検出器が静止したままで取得される、請求項1から24のいずれか一項に記載の撮像装置。
- 前記被検体の前記領域の少なくとも3個の前記時系列の動的な生体内画像は、前記エネルギー源及び前記検出器が静止したままで取得される、請求項25から30のいずれか一項に記載の方法。
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