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Scanning bed and medical imaging device with scanning bed

A scanning bed and bed board technology, which is applied in the field of scanning beds and medical imaging equipment with the scanning bed, can solve the problems of the influence of the uniformity of the magnetic field, the linearity of the gradient field, the influence of the imaging quality of the system, and the poor transmission accuracy, so as to improve the imaging effect , improve the transmission precision, and meet the effect of using demand

Active Publication Date: 2018-07-13
SHANGHAI NEUSOFT MEDICAL TECH LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0011] In the first driving mode, the first-stage transmission adopts the rack and pinion transmission mode. Due to the limitation of this transmission mode, the driving motor must be arranged at a position very close to the magnet, and the motor and the shielding cover protecting the motor are both made of iron. Magnetic parts will have a relatively large impact on the uniformity of the magnetic field and the linearity of the gradient field, thereby affecting the imaging quality of the system
[0012] In the second driving mode, it includes three-stage transmission, and its transmission levels are many, so that the transmission accuracy is poor

Method used

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  • Scanning bed and medical imaging device with scanning bed
  • Scanning bed and medical imaging device with scanning bed
  • Scanning bed and medical imaging device with scanning bed

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Embodiment Construction

[0041] The present invention will be described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can accurately understand the technical solution of the present invention.

[0042] The up, down, left and right directions described in this article refer to the normal use status of the medical imaging equipment. When the medical imaging equipment is in use, the direction perpendicular to the ground is the up and down direction, the direction pointing vertically to the ground is the down direction, and it is vertically away from the ground. The direction of the upward direction; with the length direction of the scanning bed as the front and rear direction, in the length direction of the scanning bed, the direction towards the imaging equipment of the medical imaging equipment is the front, and the direction away from the imaging equipment is the rear, or in other words, the scanning bed is from the rear It can be sent into the imaging ...

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Abstract

The invention provides a scanning bed and a medical imaging device with the scanning bed. A motor can be arranged at a position away from a magnet, so that it is avoided that the motor affects the regularity of a magnetic field and the linearity of a gradient field; meanwhile, double-stage transmission in which an annular belt and an opening belt are matched is used for improving the transmissionaccuracy. The scanning bed includes a support device, a driving source, a bed plate, a middle plate, the opening belt and the annular belt, the middle plate is fixedly connected with the opening belt,the bed plate is fixedly connected with the annular belt, the front end of the opening belt is provided with a first driving wheel connected with the driving source, so that the first driving wheel drives the middle plate to do forward and backward motion relative to the support device, and the driving source is arranged at the back end; the annular belt sleeves the middle plate and is connectedwith a first connecting piece fixed to the support device, so that the annular belt does synchronous motion when the middle plate does forward and backward motion relative to the support device, and then the bed plate is driven to do homodromous forward and backward motion relative to the middle plate.

Description

technical field [0001] The invention relates to the technical field of medical imaging equipment, in particular to a scanning bed and medical imaging equipment with the scanning bed. Background technique [0002] Existing medical imaging devices all have a scanning bed for carrying the examinee. The scanning bed used for the medical imaging device will be described below by taking the magnetic resonance imaging system as an example. [0003] Magnetic Resonance Imaging (MRI, Magnetic Resonance Imaging) is widely used in clinical medicine and scientific research, and it mainly includes magnets, gradient coils, radio frequency transmitting coils, radio frequency receiving coils and a scanning table carrying the object to be examined. The scanning bed is used to move the inspected object to the main magnet and gradient field generated by the magnet and gradient coils. The radio frequency transmitting coil excites the inspected object to generate magnetic resonance signals, and t...

Claims

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Application Information

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IPC IPC(8): A61B5/055
CPCA61B5/055A61B6/0471A61B6/0407A61B5/704A61G13/02A61G2210/50
Inventor 侯贵堂石峰
Owner SHANGHAI NEUSOFT MEDICAL TECH LTD
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