JP7155149B2 - 内視鏡撮像環境において照明を提供するためのシステム、方法、及びデバイス - Google Patents
内視鏡撮像環境において照明を提供するためのシステム、方法、及びデバイス Download PDFInfo
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Description
(1) 内視鏡光源であって、
第1の波長の光を、前記第1の波長の前記光を複数の光ファイバに反射する第1のダイクロイックミラーにおいて放射する第1のエミッタと、
第2の波長の光を、前記第2の波長の前記光を前記複数の光ファイバに反射する第2のダイクロイックミラーにおいて放射する第2のエミッタと、を備え、
前記第1のダイクロイックミラーは前記第2の波長の前記光に対して透過性である、内視鏡光源。
(2) 前記第1のダイクロイックミラーが、前記第1のエミッタに実質的に垂直な角度で、前記第1の波長の光を前記複数の光ファイバに反射する、実施態様1に記載の内視鏡光源。
(3) 前記第2のダイクロイックミラーが、前記第2のエミッタに実質的に垂直な角度で、前記第1のダイクロイックミラーを通して前記第2の波長の光を前記複数の光ファイバに反射する、実施態様1に記載の内視鏡光源。
(4) 前記第1のダイクロイックミラーが、垂直からオフセットされている角度で、前記第1の波長の光を前記複数の光ファイバに反射する、実施態様1に記載の内視鏡光源。
(5) 前記第2のダイクロイックミラーは、垂直からオフセットされている角度で前記第1のダイクロイックミラーを通る角度で、前記第2の波長の光を前記複数の光ファイバに反射する、実施態様1に記載の内視鏡光源。
(7) 前記第1のダイクロイックミラー及び前記第2のダイクロイックミラーが、前記第3の波長の前記光に対して透過性である、実施態様6に記載の内視鏡光源。
(8) 前記第3のダイクロイックミラーが、前記第3のエミッタに実質的に垂直な角度で、前記第3の波長の光を前記複数の光ファイバに反射する、実施態様6に記載の内視鏡光源。
(9) 前記第3のダイクロイックミラーが、垂直からオフセットされている角度で、前記第3の波長の光を前記複数の光ファイバに反射する、実施態様6に記載の内視鏡光源。
(10) 前記第3のダイクロイックミラーによって反射された前記第3の波長の前記光が、前記第1のダイクロイックミラーを通して前記複数の光ファイバに反射されている、実施態様7に記載の内視鏡光源。
(12) 介在する光学構成要素を更に備え、前記第1の波長の前記光及び前記第2の波長の前記光が、前記複数の光ファイバに入る前に前記介在する光学構成要素を通過する、実施態様1に記載の内視鏡光源。
(13) 前記介在する光学構成要素が拡散器を含む、実施態様12に記載の内視鏡光源。
(14) 前記介在する光学構成要素が混合ロッドを含む、実施態様13に記載の内視鏡光源。
(15) 前記複数の光ファイバが複数のプラスチック光ファイバを含み、前記介在する光学構成要素が複数のガラスファイバを含む、実施態様1に記載の内視鏡光源。
(17) 前記第1のエミッタが第1のレーザエミッタを含み、前記第2のエミッタが第2のレーザエミッタを含む、実施態様1に記載の内視鏡光源。
(18) 前記第3のエミッタが第3のレーザエミッタを含む、実施態様6に記載の内視鏡光源。
(19) 前記複数の光ファイバが、2~150本のファイバを含む、実施態様1に記載の内視鏡光源。
(20) 前記第1のエミッタ、前記第2のエミッタ、及び前記第3のエミッタのうちの1つが赤色光を放射し、前記第1のエミッタ、前記第2のエミッタ、及び前記第3のエミッタのうちの1つが緑色光を放射し、前記第1のエミッタ、前記第2のエミッタ、及び前記第3のエミッタのうちの1つが青色光を放射する、実施態様16に記載の内視鏡光源。
Claims (16)
- 内視鏡システムであって、
第1のエミッタと第2のエミッタを備える光源エミッタと、
画像センサを備える内視鏡装置と、
前記光源エミッタを、前記画像センサの読み出し期間中に、電磁放射線の1つ以上のパルスを生成するように制御及び動作させるように構成されたコントローラと、を備え、
前記第1のエミッタは第1の波長の光を、前記第1の波長の光を複数の光ファイバに反射する第1のダイクロイックミラーに放射し、
前記第2のエミッタは第2の波長の光を、前記第2の波長の光を前記複数の光ファイバに反射する第2のダイクロイックミラーに放射し、
前記第1のダイクロイックミラーは前記第2の波長の光に対して透過性であり、
前記第1のダイクロイックミラーが、垂直からオフセットされている角度で、前記第1の波長の光を前記複数の光ファイバに反射し、
前記第2のダイクロイックミラーは、前記垂直からオフセットされている角度で前記第1のダイクロイックミラーを通る角度で、前記第2の波長の光を前記複数の光ファイバに反射し、
前記複数の光ファイバがプラスチックファイバであり、
前記複数の光ファイバに入射する前記第1のエミッタ及び第2のエミッタの光の、断面強度プロファイルがトップハット形状の強度プロファイルである、
内視鏡システム。 - 第3の波長の光を、前記第3の波長の光を前記複数の光ファイバに反射する第3のダイクロイックミラーにおいて放射する第3のエミッタを更に備える、請求項1に記載の内視鏡システム。
- 前記第1のダイクロイックミラー及び前記第2のダイクロイックミラーが、前記第3の波長の光に対して透過性である、請求項2に記載の内視鏡システム。
- 前記第3のダイクロイックミラーが、前記第3のエミッタに実質的に垂直な角度で、前記第3の波長の光を前記複数の光ファイバに反射する、請求項2に記載の内視鏡システム。
- 前記第3のダイクロイックミラーが、垂直からオフセットされている角度で、前記第3の波長の光を前記複数の光ファイバに反射する、請求項2に記載の内視鏡システム。
- 前記第3のダイクロイックミラーによって反射された前記第3の波長の光が、前記第1のダイクロイックミラーを通して前記複数の光ファイバに反射されている、請求項3に記載の内視鏡システム。
- 前記第3のダイクロイックミラーによって反射された前記第3の波長の光が、前記第2のダイクロイックミラーを通して前記複数の光ファイバに反射されている、請求項3に記載の内視鏡システム。
- 介在する光学構成要素を更に備え、前記第1の波長の光及び前記第2の波長の光が、前記複数の光ファイバに入る前に前記介在する光学構成要素を通過する、請求項1に記載の内視鏡システム。
- 前記介在する光学構成要素が拡散器を含む、請求項8に記載の内視鏡システム。
- 前記介在する光学構成要素が混合ロッドを含む、請求項9に記載の内視鏡システム。
- 前記介在する光学構成要素が複数のガラスファイバを含む、請求項1に記載の内視鏡システム。
- 前記第1のダイクロイックミラー及び前記第2のダイクロイックミラーを通して第3のダイクロイックミラーによって反射されている第3の波長の光を放射する第3のエミッタを更に備え、前記第1の波長の光、前記第2の波長の光、及び前記第3の波長の光が、前記介在する光学構成要素によって混合されて、前記複数の光ファイバのそれぞれに、実質的に均一に着色された光を提供する、請求項8に記載の内視鏡システム。
- 前記第1のエミッタが第1のレーザエミッタを含み、前記第2のエミッタが第2のレーザエミッタを含む、請求項1に記載の内視鏡システム。
- 前記第3のエミッタが第3のレーザエミッタを含む、請求項2に記載の内視鏡システム。
- 前記複数の光ファイバが、2~150本のファイバを含む、請求項1に記載の内視鏡システム。
- 前記第1のエミッタ、前記第2のエミッタ、及び前記第3のエミッタのうちの1つが赤色光を放射し、前記第1のエミッタ、前記第2のエミッタ、及び前記第3のエミッタのうちの1つが緑色光を放射し、前記第1のエミッタ、前記第2のエミッタ、及び前記第3のエミッタのうちの1つが青色光を放射する、請求項12に記載の内視鏡システム。
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