Apparatus and method for producing a picture-in-a-picture motion

Details Apparatus and method for producing a picture-in-a-picture motion Apparatus and method for producing a picture-in-a-picture motion

1998-09-22

2000-07-11

Porta, David P.

X-ray or gamma ray systems or devices

Specific application

Absorption

378 982, 378197, G01N 2304

Patent

active

06088424&

ABSTRACT:
A videofluoroscopy device having a rotatable and vertically moveable c-arm, with an x-ray device mounted thereupon, is connected to a system for producing a picture-in-a-picture (PIP) real time motion x-ray image. A video camera mounted on the videofluoroscopy device c-arm, proximal to the x-ray device, permits an operator to view an external picture of the patient while simultaneously viewing the x-ray image. An electrical circuit coupled to the system converts the two video signals into one PIP image. The single PIP image can be recorded on video tape and/or viewed on a monitor. In the preferred embodiment, the "full-screen" image is the motion z-ray image while the overlaid smaller image, placed in a box in the corner of the video frame, is that of an external view of the patient corresponding to the portion of the body being x-rayed.

REFERENCES:
patent: 4920413 (1990-04-01), Nakamura et al.
patent: 5077769 (1991-12-01), Franciose
patent: 5519754 (1996-05-01), Postlethwaite
patent: 6007243 (1999-12-01), Ergun et al.

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