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X ray collimator for c arm machine

The X ray collimator is an important part of the X-ray machine. The x ray collimator can be used on fixed X-ray machines such as U-arm, C-arm, G-arm and more. Today I mainly talk about the x ray collimator used on the C-arm machine.
First of all, we need to understand the role of X ray collimator on C-arm. X ray collimator is an electromechanical optical device installed in front of the output window of X ray tube. Its main function is to control the output line of X-ray tube. Irradiation field, in order to meet the requirements of X-ray imaging and diagnosis, to minimize the projection range, avoid unnecessary doses; and absorb some scattered rays to improve the impact of clarity.
Let me introduce you to Newheek manual x ray collimator NK102:

Application of X ray Collimator Collimated beam application
Application: it can be used on normal radiography x-ray machine

Technical Parameters
Max Irradation Field: 440mmx440mm (SID=100cm)
Light Field Average Luminance: >160lux
Lumination Ratio: >3:1
Lamp: 24V/100W
Lamp Single Lighting Time: 30S
X-Ray Tube Focus-Mounting Serface Distance: 60mm
(it can be adjusted according to requirement)
Shielding Leaves: 1 Layer
Fixed Filtration (75kV): 1mmAL