X-ray machines in radiology departments are equipped with exposure hand switch, which are crucial for controlling exposure. In order to ensure the service life and safety of the X-ray machine, we must use the exposure hand switch correctly. Exposure handbrakes are available in different styles such as one-stage, two-stage and three-stage. The first-level exposure handbrake is mainly used in dental X-ray machines. The second-level exposure handbrake is the most commonly used and can adapt to various types of X-ray machines. In addition to controlling the exposure, the three-level exposure handbrake also has the function of controlling the beamer.
Why do we prefer to use secondary exposure hand switch? The answer lies in safety protection. We all know that X-rays contain radiation, and too much radiation is harmful to the human body. As a switch that controls X-ray emission, the exposure handbrake plays an important role in protecting the human body. If there is only a single button, there is a greater chance of accidentally touching it, which may lead to unnecessary exposure. By being designed as a secondary switch, it is more in line with the human body’s response mechanism. When the first-level switch is pressed, the brain is not deeply impressed by the hand movements, which may be the body’s instinctive reaction. And when you continue to press the second level switch, this action must be carefully considered by the brain. Therefore, the secondary exposure hand switch is an instinctive protection for controlling exposure movements and helps to reduce unnecessary X-ray exposure.
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Post time: Feb-22-2024