A Detailed Look into X-Ray Machine Components
This content explores various components of an X-ray machine, including the control panel extension arm tube head, on/off switch, exposure button, digital timer, warning lights, and more. It delves into the functions and structures of essential parts like the metal housing, X-ray tube, transformer, collimator, tungsten filament, and leaded glass housing. The descriptions cover how these components work together to facilitate the generation and control of X-rays in medical imaging.
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Presentation Transcript
Control panel Extension arm Tube head
On/off switch Exposure button Digital timer indicator Time set switch Warning lights and audible signals to indicate when X-rays are being generated
Connects control panel to tube head Houses electric wires
Metal housing External body, tightly sealed and filled with oil. Internally it contains x-ray tube, transformer, filter collimator. Position Indicating Device: Connected to tube head Lead, plastic 8 or 16 Rectangular /round Shapes the X-ray beam and prevent overdivergenceof beam
Surrounds the X-ray tube and transformer. Act as insulator; prevent overheating of X-ray machine by absorbing heat generated during production of X-rays.
Leaded Glass Housing evacuated to high vacuum Cathode contains filament and focusing cup Anode contains tungsten target.
Borosilicate glass along with lead central area is unleaded window for the exit of X-ray beam Function: prevent radiation leakage
Tungsten filament Emission of electron by thermionic emission When filament is heated to incandescence, it generates electron. Focusing cup Molybdenum, Nickel Focuses the electron toward the anode by electrostatic forces.
High melting point 33700 C High atomic number (74) High thermal conductivity Less tendency to vaporize Long life
Tungsten target embedded in the copper stem. Fn generate X-ray and dissipation of heat
Insulating oil Copper stem of anode Rotating anode
Removes low energy X rays. Penetrate only superficial tissues Causes unwanted absorption of rays Inherent Added Total
Control size and shape of the X-ray beam. Lead Size improve image quality by reducing the scatter radiation Diaphragm/ round Tubular Rectangular silt
