What is a multileaf collimator?
Multileaf Collimator (MLC) is a medical machine used to adjust the radiation radiation into a tumor or other abnormalty. Attached to the linear accelerator, the machine consists of collimators or movable jaws that shape the radiation fields. Shield sets called sheets made of tungsten metal acts as blocks to focus the beam into the desired shape. The device also comes in the form of a micro multileaf collimator (MMLC), suitable for the treatment of irregularity, which are about three inches (about eight centimeters) across. It also has slightly smaller leaves diameter than a full -size system; Computers are used in both types to detect and check the leaf position. Visually, a videooptic system can be installed that is installed where each sheet is placed on the computer screen. The position detection is also supported by the switch and linear encoders, while linear movement systems are used in conjunction with the precise sheet positioning engines. Calibration is essential for precise readings between the leaf positionThe signs and signals generated by the positioning device.
Multileaf Collimators can be particularly beneficial because they help focus on tumors, with a precise dose. They shape the radiation beam and check the dose so that healthy tissue, such as in the lungs, spinal cord or eyes, is not affected. When targeting a specific area, the multileaf collimator can send more rays of radiation to the intensity that the intensity does not cause damage to healthy parts of the body. Radiation detectors are also included in the machine; In the case of MMLC, a specific type of film is used to measure the dose, how radiation is transmitted and whether it escapes.
Mechanical operation Multileaf collimator is complex, with the movement of different components controlled on different axes. The operator uses computer software to monitor the location of each part and to control the exact movements that are necessary. The software also provides a graphical representation of the radiation field so the operator knows exactlyWhere there is radiation and can follow safety instructions from the machine manufacturer. All machines and common configuration functions can be controlled according to the exact shape of the area to be treated.