Radiation Therapy In The Three-dimensional Laser Positioning System

Artp system is such system which is used to set down or assess treatment scheme in the field of tumor radiation treatment application. Using its special software system artp system can calculate and assess the treatment successfully based on the video information of the patient. Provide with its visual display, it can help the doctors a lot. In artp system, it's very important to keep the diagnosis reference frame and the treatment reference the same. On in this way , the accurate diagnosis can bring out accurate treatment. The task of this project i've run over is to designed the three dimension orientation precisely. Step motor is applied to performance the movement. Upper computer (usually personal computer) drives three motors through the movement control card inserted in the pci socket. To solve the problem of lost step of step motor, encoder is applied to form a half loop control system. The parameter of the step motor driver selected can reach 51200p/r.For the advantage of easy operation, a portable box is designed.With the help of the portable box , operator can easily perform all functions independent of the personal computer . As another advantage of the portable box , it can save the time to complete one treatment.As a result, we get the 0.1mm accuracy successfully.