CT Detector collimation
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POST PATIENT COLLIMATION
Functions to shape the X-ray beam AFTER the scan
Controls image slice thickness
Detector capture efficiency
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How well the detectors receive photons from the patient
,Godfrey Hounsfield
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"Father of CT" / British Engineer
He developed the FIRST Axial CT scanner for EMI
Laboratories in 1972.
(3) CT Axis
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X Axis
Y Axis
Z Axis
Gantry
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, Largest piece of CT equipment (70-80cm diameter)
Houses the x-ray tube, detectors, slip rings, generator,
collimators, filters, and cooling system
Ability to tilt +/- 12 to 30 in order to adjust for patient
positioning
CT Data Acquisition System (DAS)
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Method by which the patient is scanned to obtain enough information for
image reconstruction
*Amplifies and digitizes the signal from the detectors before it is processed
Allan MacLeod Cormack
Give this one a try later!
South African Physicist
He developed the necessary mathematics in order for the
FIRST Axial CT scanner to function in 1972.
Detector dynamic range
Give this one a try later!
Give this one a try later!
POST PATIENT COLLIMATION
Functions to shape the X-ray beam AFTER the scan
Controls image slice thickness
Detector capture efficiency
Give this one a try later!
How well the detectors receive photons from the patient
,Godfrey Hounsfield
Give this one a try later!
"Father of CT" / British Engineer
He developed the FIRST Axial CT scanner for EMI
Laboratories in 1972.
(3) CT Axis
Give this one a try later!
X Axis
Y Axis
Z Axis
Gantry
Give this one a try later!
, Largest piece of CT equipment (70-80cm diameter)
Houses the x-ray tube, detectors, slip rings, generator,
collimators, filters, and cooling system
Ability to tilt +/- 12 to 30 in order to adjust for patient
positioning
CT Data Acquisition System (DAS)
Give this one a try later!
Method by which the patient is scanned to obtain enough information for
image reconstruction
*Amplifies and digitizes the signal from the detectors before it is processed
Allan MacLeod Cormack
Give this one a try later!
South African Physicist
He developed the necessary mathematics in order for the
FIRST Axial CT scanner to function in 1972.
Detector dynamic range
Give this one a try later!
