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Respiratory gating control device

A control device and respiratory gating technology, applied in the field of medical devices, can solve the problems of unrealistic breathing frequency of examiners, affecting the abdominal scanning process, and too loosely bundled breathing belts, so as to improve resolution and clarity, and stabilize heart rate. The effect of maintaining, image artifact reduction

Pending Publication Date: 2021-05-28
THE SECOND AFFILIATED HOSPITAL ARMY MEDICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] For the existing breathing belt that is pressed too tightly by the pressure plate or the examiner who is too fat, sometimes the breathing belt is stretched too tightly. Over time, the breathing rate of the examiner will be unreal, and image artifacts will appear. At the same time, the examiner who is too thin Sometimes the respiratory belt is tied too loosely and no signal can be collected, which requires re-scanning and seriously affects the technical problem of abdominal scanning process. The present invention provides a respiratory gating control device

Method used

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Embodiment Construction

[0016] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.

[0017] In describing the present invention, it is to be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", The orientation or positional relationship indicated by "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings , is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. In the description of the present inventi...

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Abstract

The invention provides a respiratory gating control device which comprises an inner plastic threaded pipe internally provided with a pressure sensor, one end of the inner plastic threaded pipe is connected with a first connecting block, the outer end of the first connecting block is connected with a fixing block, the fixing block is provided with a first connecting part, and the other end of the inner plastic threaded pipe is connected with a second connecting block. A signal transmission line electrically connected with the pressure sensor is arranged at the outer end of the second connecting block in a penetrating mode, a bandage is fixedly connected to the second connecting block, a second connecting part capable of being connected with the first connecting part in a matched mode is arranged at the free end of the bandage, and an outer plastic threaded pipe is arranged outside the inner plastic threaded pipe, and an interval cavity is formed between the outer plastic threaded pipe and the inner plastic threaded pipe. Two ends of the outer plastic threaded pipe are connected with the first connecting block and the second connecting block, the radial section of the outer plastic threaded pipe is in an arc shape with the lower portion cut, and part of the inner plastic threaded pipe is exposed out of the cut position of the lower portion of the outer plastic threaded pipe. The device can make the heart rate of an examinee stable and keep breathing uniform, so that image artifacts are reduced, and the image quality is improved.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a respiratory gating control device. Background technique [0002] Respiratory gating technology is a technology that uses detected respiratory waves to reduce respiratory motion artifacts. Respiratory gating technology generally includes two types of respiratory compensation and respiratory triggering. Respiratory triggering is a prospective respiratory gating technology. If the breathing rhythm is good, most people start to exhale after calm inhalation, from the end of one calm exhalation to the next. There is a period of time before inhalation that is the plateau period when the respiratory movement is relatively stopped, so the MR signal acquisition is generally started with the end of expiration as the trigger point (scanning start point), and the collection is stopped before the next inhalation (scanning stop point), so that During the acquisition period of MR sign...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/055A61B5/08
CPCA61B5/055A61B5/0816
Inventor 马琼英崔春张冬
Owner THE SECOND AFFILIATED HOSPITAL ARMY MEDICAL UNIV
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