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Control device for orientation scanning length and method thereof

A scanning length and control device technology, applied in computerized tomography scanners, X-ray equipment, electrical components, etc., can solve problems such as limited options, incomplete coverage, and deviations

Inactive Publication Date: 2008-02-13
SIEMENS SHANGHAI MEDICAL EQUIP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the limited selection of the scan length of the scout image and the deviation of the scan length of the scout image required by human judgment, it often takes multiple operations to obtain satisfactory results.
For example, the scanning operator selects the scanning length of the positioning image as 512 mm after judgment at the beginning, but after the scanning is completed, it is found that the scanning length cannot completely cover the area to be scanned, and the actual length of the area to be scanned is 530 mm; However, there is no suitable option in the pre-defined table shown in Figure 1, and only 768mm can be selected to scan the scout image again

Method used

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  • Control device for orientation scanning length and method thereof
  • Control device for orientation scanning length and method thereof

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Embodiment Construction

[0014] Please refer to Fig. 2, the control device of the scan length of the positioning image of the present invention is used in a computed tomography imaging system 100, and the computed tomography imaging system 100 has a movable hospital bed 10, and the patient 60 lies on the movable hospital bed 10 and follows The positioning image is scanned while the movable hospital bed 10 is moved.

[0015] The scanning of the positioning image starts from a fixed data collection position 30 , the movable bed 10 moves towards the data collection position 30 , and the scanning of the positioning image ends when a predetermined scanning end position 20 reaches the data collection position 30 .

[0016] Before positioning image scanning, a signal source 40 is set on the predetermined scanning end position 20, and the scanning operator can intuitively set the signal source 40 at the desired position, thus avoiding the need for scanning operations in the existing method Personnel estimate ...

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Abstract

The present invention provides a controlling device for scanning length of the positioning image and the method. A signal from ending place of the scanning is arranged directly and conveniently before positioning image scanning, therefore a delay time is obtained by calculation before the scanning ending position reaching a fixed data collecting position. The positioning image scanning can stop in the system after the delayed period; therefore purpose for accurate controlling of the positioning image scanning length is realized.

Description

technical field [0001] The invention relates to a computerized tomography imaging technology, in particular to a control technology for positioning image scanning. Background technique [0002] In computerized tomography imaging inspection, it is often necessary to scan a topogram before a formal scan, and then determine the final scanning range according to the topogram. [0003] The general steps of scanning the positioning image are to define a scan start position on the movable hospital bed of the computed tomography imaging system, and the scan start position is generally located at the data acquisition position of the computed tomography imaging system; Select the moving direction of the movable hospital bed, and select the scanning length of the positioning image in the predefined table shown in FIG. 1 . [0004] The above-mentioned method needs to artificially and abstractly judge the moving direction of the movable hospital bed and select the scanning length of the...

Claims

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Application Information

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IPC IPC(8): A61B6/03H05G1/26
Inventor 唐建军
Owner SIEMENS SHANGHAI MEDICAL EQUIP LTD