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X Ray Collimator Newheek Production

Collimator is an optical electromechanical device installed in the output window of the tube sleeve of the X ray tube assembly. Its main function is tantamount to control the radiation field of the output line of the X ray bulb tube under the premise of X ray imaging diagnosis, so as to minimize the projection range and avoid unnecessary dose. And it can absorb some scattered light to enhance the image. Definition. In addition, it can also point out the size of the projection center and the projection field of view. Therefore, collimator is an indispensable auxiliary device for X ray irradiation and protection.

collimator supplier

Manual collimator produced by NEWHEEK is mainly used for photography. By manually adjusting the knob or rod on the collimator to achieve the opening and closing of the collimator covering the dead leaf. In addition to the above, its internal structure is equipped with a lighting field indicator system. It uses the indicator bulb to simulate the focus of the X-ray tube, and utilizes the visible light instead of the X-ray, and the reflection mirror is reflected on the bed surface after reflection. The light path of the visible light is in accordance with the buoyant path of the X-ray through the mirror, and the size of the irradiated field can be indicated in advance. Because the service life of the indicator is short, the lighting of the indicator is monitored by the button switch, and it can be closed automatically within 15 s to 1 min. Some indicators have two levels of brightness in service life to meet the requirements of indoor high brightness lighting on-site indication. The reflector is usually made of silver plated plastic, and the aluminum equivalent is about 0.5 millimeters, which has no impact on X ray imaging. In front of the collimator, a clean and transparent plastic plate was installed, with black lines or black dots on it, indicating the center of the field. The size of the illuminating field with corresponding focal length of some collimator around the knob or pull rod activity is mainly used to re set the size of the irradiated field before the light of the illuminating field, in order to indicate the fast adjustment of the field size and prolong the service life of the indicator lamp.

Author: X Ray Machine Accessories

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