DEVICE FOR DRIVING AND POSITIONING A SOURCE HOLDER IN AN APPLICATOR USED IN CURIETHERAPY

摘要

The object of the present invention is to provide a device for the introduction and positioning of a source holder in an applicator 14 used for treatment. The source holder is mounted at an end. A cable 40 of low mobile diameter along a guide tube 38, whose end communicates with the applicator. THE CABLE 40 IS DRAWN BY A MOTOR ROLL 48 WHICH CAN SLIDE ON THE CABLE 40. AN ENCODER IS EQUIPPED WITH A ROLL 52 WHICH IS IN TANGENTIAL CONTACT WITHOUT SLIDING WITH THE CABLE 40. IF IT MEETS AN OBSTACLE, THE ROLL 52 THE ENCODER SWITCHES ON IMMEDIATELY TO ROTATE AND THE ENCODER SENDS A SIGNAL TO A PROGRAMMABLE AUTOMATE 74. / P P APPLICATION TO THE TRANSFER OF RADIOACTIVE SOURCES IN CURIETHERAPY. / P