Radiology X-ray machines are equipped with X-ray exposure handswitch to control exposure. In order to prolong the service life and safety of X-ray machines, X-ray exposure handswitch need to be used correctly. X-ray exposure handswitch are available in primary, secondary and tertiary styles. The primary exposure handbrake is mainly used for dental X-ray machines, and the secondary exposure handbrake is the most used. It is suitable for various styles of X-ray machines. In addition to controlling exposure, the level exposure handbrake also controls the function of the beamer.
Why do the exposure handbrakes mostly use secondary ones? The answer is mainly for safety protection. As we all know, X-rays have radiation, too much radiation will cause harm to the human body, and the switch used to control the X-ray exposure handbrake plays an initial protective role for the human body. If there is only one button, it is easy to accidentally touch it, resulting in unnecessary exposure and X-rays. It is designed as a second-level switch, which is in line with the operating mechanism of the human body. When the first-level switch is pressed, the action of the brain opponent is not very impressed. It may be an instinctive reaction of the body, but when the second-level switch is pressed continuously under force , this command must be completed through the brain response. Therefore, secondary exposure is an instinctive protection for the action of controlling exposure, reducing the unnecessary generation of X-rays.
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