Download - 2lab xray parts
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Engr Khaleeque Ahmed
Sir syed university of engineering &
technology Karachi
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One• X-ray tube
Two• Operating Console
Three• High voltage generator
Four• Tube head
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Five
• X-ray tube housing
Six
• Collimator
Seven
• Grid
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Eight
• Patient Table
Nine
• Bucky
Ten
• Radiographic film
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This is a modern rotating anode x-ray tube. It is encased
completely in a metal protective housing.
There are two principle parts:
•The rotating anode(acts as the target for electrons and
releases x-rays)
•The cathode(provides a source of electrons)
Purpose:
– Controls leakage & off-focus radiation
– Isolates high voltages
– Helps to cool the tube
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OPERATING CONSOLE
THE CONSOLE IS THE PART OF MACHINE THAT
CONTROLS THE OPERATION OF X-RAY MACHINE
ALL MACHINE CONSOLE ARE LITTLE DIFFERENT BUT
THERE ARE ALWAYS SIMILARITIES.
THE CONSOLE IS WHERE WE CONTROL THE X-RAY TUBE
CURRENT,VOLTAGES LINE COMPENSATION.
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HIGH VOLTAGE
GENERATOR
A single phase HV generator can take the power
supplied by AC mains rectify it & transform
Rectification process is either in half wave or full
wave to remove any negative going voltages, which
would otherwise excite an anode to act as electron
source.
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TUBE HEAD
The external structure of x-ray tube consists of
3 parts
1.The support system
2.the protective housing
3.glass or metal enclosure
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PROTECTIVE HOUSING
The x-ray photons are
generated isotropic
ally or in all directions.
The housing is
designed to limit the
beam to window.
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PROTECTIVE HOUSING – PREVENT
DAMAGE
The housing also provide mechanical support
and protection from damage.
On some tubes, the housing also contains oil
that provides more insulation and a thermal
cushion.
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Collimators
Beam restricting device.
it’s considered the best beam restricting
device.
remove unwanted radiations.
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A collimator has two or three sets of lead shutters.
Located immediately below the tube window, the
entrance shutters limit the x-ray beam.
One or more sets of adjustable lead shutters are
located 3 to 7 inches (8 − 18 cm) below the tube.
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GRID
IT’S MADE UP OF LEAD MATERIAL
ITS INSERTED B/W PATIENT AND THE FILM
PURPOSE
REDUCE THE SCATTERED RADIATION
IMPROVE IMAGE CONTRAST.
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X-RAY TABLES OR PATIENT
TABLES
CHARACTERISTICS
•RADIOLUCENT MATERIAL
•EASILY CLEANED
•SCRATCH RESISTANT
•BUCKY TRAY
•BUCKY SLOT COVER
•GRID
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A BUCKY IS TYPICALLY USED FOR TABLE
OR WALL MOUNTED X-RAY SYSTEMS AND
HOLDS THE X-RAY CASSETTE AND GRID. A
BUCKY IS A DEVICE FOUND UNDERNEATH
THE EXAM TABLE, A DRAWER LIKE DEVICE
THAT THE CASSETTE AND GRID IS SLID
INTO BEFORE SHOOTING X-RAY.
BUCKY
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THANK U…………!!!!!