Adjusting method and device for scanning dosage parameters and control device
A technology of scanning dose and dose parameters, which is applied in computerized tomography scanners, instruments for radiological diagnosis, medical science, etc., can solve the problems of scanning interruption and affecting scanning efficiency, so as to improve scanning efficiency and reduce the risk of scanning interruption The effect of probability
Inactive Publication Date: 2018-07-20
NEUSOFT MEDICAL SYST CO LTD
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[0004] However, the inventors have found that the scanning dose modulation method used in the prior art may exceed the scanning capacity of the system for certain scenarios (for example: the scanned patient is too obese, etc.) The heat capacity of the CT tube, the maximum / minimum exposure mA of the tube, the power of the tube, etc.) will cause the scan to be interrupted, and the operator needs to perform a recovery operation to continue the subsequent scan, which will undoubtedly greatly affect the scanning efficiency
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[0053] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present application as recited in the appended claims.
[0054] The terminology used in this application is for the purpose of describing particular embodiments only, and is not intended to limit the application. As used in this application and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term...
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The invention provides an adjusting method and an adjusting device for scanning dosage parameters and a control device. The method comprises the following steps: during the CT scanning process based on target scanning dosage, detecting performance parameter values of a target system; when the performance parameter values of the target system exceed preset performance limit values, determining dosage parameter optimization values corresponding to the target scanning dosage, wherein the dosage parameter optimization values are one group of dosage parameter values which enable the corresponding scanning dosage to be the target scanning dosage, and the corresponding system performance parameter values not to exceed the performance limit values; and according to the dosage parameter optimization values, adjusting the current dosage parameter values of the target scanning dosage. With the technical scheme provided by the invention, the problem that the scanning efficiency is low due to the fact that the scanning is interrupted in the prior art is solved.
Description
technical field [0001] The present application relates to the field of medical equipment, in particular to a scanning dose parameter adjustment method, device and control equipment. Background technique [0002] For large clinically applied medical equipment, such as CT (Computed Tomography, electronic computerized tomography), etc., the scanning dose is one of the focuses that is widely concerned. For the same scanned object, the larger the scanning dose, the smaller the noise of the corresponding reconstructed image. [0003] In the prior art, considering the inconsistency of image noise in different parts caused by the different attenuation of X-rays by various parts of the scanned object, usually according to the attenuation difference of different scanned objects or different parts of the same scanned object, during the CT scanning process In this way, the scanning dose is modulated, so as to ensure that the noise consistency of different scanned objects or different p...
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IPC IPC(8): A61B6/00A61B6/03
CPCA61B6/035A61B6/545
Inventor 逄岭任亮楼珊珊
Owner NEUSOFT MEDICAL SYST CO LTD