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Method and device for acquiring the weight of patient in real time as well as CT (computed tomography) machine

A real-time acquisition and patient technology, applied in the CT field, can solve the problem of unable to measure the information of the patient's weight, and achieve the effect of controlling the scanning dose

Inactive Publication Date: 2011-06-01
GE MEDICAL SYST GLOBAL TECH CO LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In other words, the information about the patient's weight is measured off-line by a separate scale and then fed into the CT, which itself cannot measure the information about the patient's weight

Method used

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  • Method and device for acquiring the weight of patient in real time as well as CT (computed tomography) machine
  • Method and device for acquiring the weight of patient in real time as well as CT (computed tomography) machine
  • Method and device for acquiring the weight of patient in real time as well as CT (computed tomography) machine

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Embodiment Construction

[0045] Specific examples of the present invention will be described in detail below, but the present invention is not limited to the following specific examples.

[0046] figure 2 A schematic diagram of the hydraulic control mechanism in a typical CT is illustrated. exist figure 2 Among them, it mainly includes bed control board 5, encoder 17, motor 14, contactor 15, hydraulic cylinder 2, proportional valve 9, release valve 10, on-off valve 12, pump 11 and oil tank 13. Among them, the bed control board 5 controls the pump 11 through the motor 14 to drive the hydraulic cylinder 2 up and down to drive the bed board 3 to rise and fall; the on-off valve 12 controls the oil tank 13 to deliver oil to the pump 11; The height of the cylinder 2; the descending speed of the bed can be controlled by the proportional valve 9; for safety reasons, when the oil pressure is too high, the release valve 10 will be opened; the oil tank 13 is used to store oil.

[0047] Such as image 3 As ...

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Abstract

The invention discloses a method and device for acquiring the weight of a patient in real time as well as a CT (computed tomography) machine. The method for acquiring the weight of a patient in real time disclosed by the invention is used for a patient supporting system controlled by a hydraulic cylinder, and comprises the following steps: acquiring the height of the hydraulic cylinder; acquiring a hydraulic value; and acquiring the weight of the patient according to the height of the hydraulic cylinder and the hydraulic value. The device for acquiring the weight of the patient in real time disclosed by the invention comprises a coder, a hydraulic sensor, and a weight counting unit which is connected with the output of the coder and the output of the hydraulic sensor. In addition, the CT machine disclosed by the invention comprises a device for acquiring the weight of the patient in real time. Because the weight of the patient on the patient supporting system can be acquired in real time by adopting the technical scheme in the invention, the scanned area can be adjusted according to the individual weight of each patient, and for the patient with light weight, the maximal scanned area of a bed can be used. In addition, the reasonable scanning voltages, currents and the like also can be set according to the weight of the patient, which is favorable for controlling the scanning dosage.

Description

technical field [0001] The present invention generally relates to the field of CT, in particular to a method and device for real-time acquisition of patient weight used in a hydraulically controlled patient support system in CT, and a CT machine. Background technique [0002] At present, CT is widely used in the medical system. It can clearly image the tissues, organs, bones and blood flow in the human body, so that doctors can clearly see the tissues, organs, bones and blood flow in the body. images to help doctors diagnose patients and treat lesions. [0003] Typically, CTs have a patient support system for positioning the patient. figure 1 A hydraulically controlled patient support system is shown in the figure 1 Among them, the patient support system includes a support arm 1 and a hydraulic cylinder 2 placed on the base 4, and a bed board 3 supported by the support arm 1; wherein, one end of the hydraulic cylinder 2 is connected to the base 4, and the other end is conn...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B6/03G01G19/44
Inventor 卢小冬董加勤
Owner GE MEDICAL SYST GLOBAL TECH CO LLC
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