Videofluoroscopy system for in vivo motion analysis

Details Videofluoroscopy system for in vivo motion analysis Videofluoroscopy system for in vivo motion analysis

1990-12-24

1992-02-18

Church, Craig E.

X-ray or gamma ray systems or devices

Electronic circuit

Exposure timer

358111, H05G 164

Patent

active

050900420

ABSTRACT:
A videofluoroscopy system for use in vivo, real-time, motion analysis includes a fluoroscopy system for producing a series of x-ray images of a subject, a video recorder for recording the x-ray images as video frame images, a video playback unit for providing a playback output of individual video image frames one at a time, a frame grabber connected to a display monitor for converting each image frame into graphics data and displaying a selected viewing area thereof on the monitor, a marking device for marking selected points within the viewing area of each image frame, and a computer processor for controlling the frame grabber, display, and marking device in order to define the viewing area, detect X-Y coordinates for the selected points, and store the coordinates of the marking points as motion data. The frame grabber is implemented as a module connected to the computer processor which automatically operates the video playback unit and converts the image frames one frame at a time to digital graphics data. The motion data can be retrieved for display superimposed with the video images in real-time motion, for motion simulation, and/or for motion analysis. The use of in vivo fluoroscopic images is particularly suited for medical analysis of internal bodily structures and conditions.

REFERENCES:
patent: 4387392 (1983-06-01), Grattoni et al.

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