Radiology device
AssigneeEppra
InventorPeter Choi
Life of this patent
Estimating the term…
Abstract
A radiology device comprising an X-ray source (11) for exposing a subject (S) to the radiation of said source, means (12) for converting the X-rays into optical images so as to form primary optical images, means (20) for transforming the primary optical images into secondary optical images, and means (40) for displaying the secondary images to a user, characterized in that the means for forming the secondary optical images comprise an optical chain comprising in succession, from the output of the converter to the output of the device, an image enlargement assembly (22) exposed directly to the primary images from said conversion means (12), an assembly (23) for optical intensification of the enlarged images and a photosensitive matrix sensor (25) for making said secondary images.
Claims18
A radiology device comprising an X-ray source (11) for exposing a subject (S) to the radiation of said source, means (12) for converting the X-rays into optical images so as to form primary optical images, means (20) for transforming the primary optical images into secondary optical images, and means (40) for displaying the secondary images to a user, characterized in that the means for forming the secondary optical images comprise an optical chain comprising in succession, from the output of the converter to the output of the device, an image enlargement assembly (22) exposed directly to the primary images from said conversion means (12), an assembly (23) for optical intensification of the enlarged images and a photosensitive matrix sensor (25) for making said secondary images.
The radiology device as claimed in one of the preceding claims, characterized in that the means (12) for converting the X-rays into optical images consist of a fluoroscopy screen of the phosphor coating screen type.
The radiology device as claimed in one of the preceding claims, characterized in that said optical chain is directed along a different axis from the normal to the midplane of the means (12) for converting the X-rays into optical images, the device comprises a mirror for deflecting the primary images to the optical chain and the device comprises a shield (27) for protecting the elements of the optical chain from the X-rays.
The radiology device as claimed in one of the preceding claims, characterized in that the optical chain comprises a refocusing lens (24).
The radiology device as claimed in one of the preceding claims, characterized in that it comprises a mirror (28) for separating the images arising from the intensification assembly (23) and a digital video camera (29).
The radiology device as claimed in one of the preceding claims, characterized in that the optical coupling between the intensification assembly (23) and the sensor (25) is effected by optical fibers (24′).
The use of a radiology device as claimed in one of the preceding claims for real-time medical examination.
Dependencies are inferred from the claim text.