Computed tomography (CT) machine

Abstract

The invention discloses a CT machine. The CT machine comprises a CT rack and a vertical elevating mechanism, wherein the CT rack is installed on the vertical elevating mechanism in such a mode that a scanning plane of the CT rack is parallel to the ground or is approximately parallel to the ground, and the vertical elevating mechanism can drive the CT rack to perform vertical elevating motion. According to the CT machine, CT scanning of a patient can be performed when the patient is in a standing state, on one hand, no hospital bed is required and the radiation injury to the patient is reduced, and on the other hand, the CT scanning and imaging quality of sickness areas which have special requirements for imaging is guaranteed.

Description

technical field [0001] The invention relates to medical equipment, in particular to a computed tomography (CT) machine. Background technique [0002] As a kind of medical equipment, CT machine is widely used in the medical and health field to assist doctors in diagnosing diseases. For all current CT machines, the CT frame (Gantry) is placed vertically on the ground, that is, its effective scanning plane is perpendicular to the ground, such as figure 1 As shown, this placement method requires the bed 1 to place the patient 2 horizontally and send it into the scanning area of ​​the CT gantry 3 for scanning. [0003] However, under this placement method, on the one hand, the bed board of the hospital bed needs to ensure sufficient strength requirements, and the material used has a certain aluminum equivalent. During CT examination, an additional radiation dose must be added to offset the attenuation of the bed board to ensure sufficient clear imaging. This increases the total...

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Problems solved by technology

[0003] However, under this placement method, on the one hand, the bed board of the hospital bed needs to ensure sufficient strength requirements, and the material used has a certain aluminum equivalent. During CT examination, an additional radiation dose must be added to offset the attenuation of the bed board to ensure sufficient clear imaging. effect, which increases the total radiation dose to the patient and adversely affects the patient's health

[0004] On the other hand, considering the special requirements for imaging in certain pain areas, the CT machine in this placement method also needs additional equipment for assistance.

[0005] As mentioned in the Chinese patent application 200720094465.3, the patient suffering from severe low back and leg pain symptoms cannot reflect the dura mater in the spinal canal when the human body is standing because no weight load is applied to the human lumbar spine during the routine supine position CT examination. The real state of the capsule volume affects the effect of imaging examination, which is not conducive to the doctor's diagnosis based on the imaging. For this reason, the CT examination instrument proposed in this patent application adds an auxiliary device for lumbar load

[0006] Another example is the CT scan of the cervical spine mentioned in Chinese patent application 200820017244.0. In order to enlarge the intervertebral space as far as possible and completely scan the level of the cervical intervertebral disc, the patient lying supine on the examination bed needs to hyperextend the head during the scan, and pull the upper limbs downward. However, patients in this position often cannot persist, and tend to move during scanning, causing the intervertebral space to move, thereby affecting the scanning effect. For this reason, this patent application proposes an adjustable bracket for CT scanning to assist in the application of CT machines. CT scan in

It can be seen that in this case, it will not only increase the cost of additional auxiliary equipment, but also make the imaging inaccurate

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