Method and device for implement CT respiration gate control

A respiratory gating and respiratory monitoring technology, applied in X-ray equipment, electrical components, computerized tomography scanners, etc., can solve the problems of increasing waste of resources, reducing compatibility, and limiting the integration of medical resources, so as to save resources and reduce costs The effect of investing and improving compatibility

Active Publication Date: 2008-11-19
SIEMENS SHANGHAI MEDICAL EQUIP LTD
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Problems solved by technology

That is to say, for a CT, it only supports one output type of RPM equipment, if another output type of RPM equipment is replaced, the CT cannot recognize the output signal of the replaced RPM equipment
The tight coupling between CT and RPM equipment reduces the compatibility of CT with RPM equipment, limits the integration of existing medical resources, increases the cost input of CT users, and increases unnecessary waste of resources

Method used

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  • Method and device for implement CT respiration gate control
  • Method and device for implement CT respiration gate control
  • Method and device for implement CT respiration gate control

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Embodiment Construction

[0038] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0039] In order to improve the compatibility of CT to RPM equipment, when CT selects the respiratory gating expansion mode in the present invention, the respiratory signal of CT respiratory gating will be imported from the RPM equipment after the CT scan is completed, and the preset reconstruction information in CT will be used to match the different Corresponding relationship of the respiratory signal, converting the respiratory signal into reconstruction information, and using the obtained reconstruction information to perform post-reconstruction of the scanned image.

[0040] The present inventi...

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Abstract

The invention discloses a method and a device for realizing CT respiration gating, which act CT scan and control a respiration monitoring RTM device to acquire a respiration signal, lead in the respiration signal of the CT respiration gating from the RTM device after the CT scan, transform the respiration signal into reconstruction information by utilizing the corresponding relation between the preset reconstruction information in a CT device and different respiration signals, and utilize the obtained reconstruction information to act the subsequent reconstruction on scanned images. The CT device in the invention supports different RTM devices and the same CT device also supports a new RPM device in the same way after the RPM device is updated; so that the compatibility of a CT system to the RPM device is increased, the CT device and the RPM device are led to work in a loose-coupling manner, thereby greatly lowering the cost input of a user of the CT device, saving the resource, and providing the effective means for integrating the prior gating device in a medical institution.

Description

technical field [0001] The present invention relates to computed tomography (CT, Computed Tomography) respiratory gating technology, in particular to a method and device for realizing CT respiratory gating (Respiratory Gate). Background technique [0002] The patient's breathing movement will have a significant impact on the clarity of CT imaging, and respiratory gating technology is usually used to overcome this problem in clinical practice. When the respiratory gating technology is used, it is necessary to use a respiratory monitoring device (RPM, Respiratory PercentMinute) to collect respiratory signals, generate a respiratory rhythm curve, and then use the obtained respiratory rhythm curve to control the start and end time of CT scanning, and in a respiratory cycle Scanning and data acquisition of multiple sampling points are carried out in order to achieve the goal of respiratory gating. [0003] At present, the RPM equipment for respiratory monitoring equipment is not...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B6/03H05G1/30
Inventor 张颖
Owner SIEMENS SHANGHAI MEDICAL EQUIP LTD
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