Patent ID: 11911006
Assignee: QUEST PHOTONIC DEVICES B.V.
Field: Medical technology (Instruments)
Classification: CPC A  G | IPC A  G

Claim 7:
8. A medical imaging system for detecting visible and infrared light, said medical imaging system comprising
a light source for visible light for illuminating a tissue;
a light source for excitation light for exciting a fluorescence agent in the tissue;
a camera module configured to receive visible light and infrared light from an object image in the tissue, the camera module comprising at least a first, second, and third optical path for directing light from the object image to a first, second, and third sensor respectively,
a dichroic prism assembly configured to receive the light from the object image through an entrance face of the dichroic prism assembly, wherein:
the first optical path is provided with a first filter,
the second optical path is provided with a second filter, and
the third optical path is provided with a third filter,
wherein the first, second, and third filters, in any order, are a green filter, an infrared filter, and a red/blue patterned filter comprising red and blue filters in alternating pattern so that half of the light received by the red/blue patterned filter goes through a blue filter and half of the light received by the red/blue patterned filter goes through a red filter,
wherein the dichroic prism assembly comprises at least a first, second, and third prism, each prism having a respective first, second, and third exit face, and wherein:
the first exit face is provided with the first sensor,
the second exit face is provided with the second sensor, and
the third exit face is provided with the third sensor.