CN103505233A

CN103505233A - Computed tomography system

Info

Publication number: CN103505233A
Application number: CN201210213997.XA
Authority: CN
Inventors: 张纪庄; 王薇
Original assignee: Siemens Shanghai Medical Equipment Ltd
Current assignee: Siemens Shanghai Medical Equipment Ltd
Priority date: 2012-06-26
Filing date: 2012-06-26
Publication date: 2014-01-15

Abstract

The invention discloses a computed tomography system which comprises a scanner, a display screen and a processor. The scanner can scan according to a specific scheme and a reference scheme, the processor is used for calculating a parameter under the specific scheme, and the parameter expresses dosage reduction caused by the specific scheme relative to the reference scheme, and the display screen is used for displaying a first figure user object which expresses the parameter. By the adoption of the computed tomography system, a developer of the computed tomography system can visually see the dosage reduction caused by the specific scheme relative to the reference scheme after the certain specific scheme. A user and a detected object of the computed tomography system can see the effect on the dosage reduction of the specific scanning scheme from the first figure user object of the display screen.

Description

Computed tomograph scanner system

Technical field

The present invention relates to medical imaging field, particularly a kind of computed tomograph scanner system.

Background technology

Computed tomograph scanner system is widely used in medical diagnosis.In order to reduce radiation, manufacturer's ongoing effort of computed tomograph scanner system.For example, SSME has proposed a kind of new computed tomograph scanner system and method in its on June 30th, 2011 in application for a patent for invention (denomination of invention is " a kind of X-ray computerized tomography system and method ") application, that application number is 201110180887.3, guaranteeing region-of-interest (region of interest, under the prerequisite of reconstructed image quality ROI), reduce significantly to rebuild angle, thereby effectively reduce the radiological dose of X ray.In the application for a patent for invention that the said firm applies on the same day at it, application number is 201110180877.X (denomination of invention is " a kind of X-ray computerized tomography system and method "), also by reducing to rebuild the mode of angle, reduce the radiological dose of X ray.

Obviously, the mode of the radiological dose of minimizing X ray is not limited to, by reducing to rebuild angle, more be not limited to disclosed system and method in above-mentioned two patent applications.But, the reduction of the radiological dose bringing due to the improvement of computed tomograph scanner system and the improvement of scan method is invisible and directly perception, therefore, the developer of computed tomograph scanner system, user and person under inspection thirst for learning these improved effects.

Summary of the invention

In view of this, the present invention proposes a kind of computed tomograph scanner system, in order to show that the dosage that specific sweeping scheme causes reduces.

The present invention proposes a kind of computed tomograph scanner system, comprises one scan instrument, a display screen and a processor.Described scanner can be with a specified scheme and reference scheme scanning.Described processor is for calculating the parameter under described specified scheme, and the dosage that specified scheme causes with respect to described reference scheme described in described parametric representation reduces.Described display screen is used for showing one first graphical user's object, parameter described in described first graphical user's object encoding.

Adopt computed tomograph scanner system of the present invention, the developer of computed tomograph scanner system can, after realizing certain specific sweeping scheme, see that the dosage that this specified scheme is brought with respect to reference scheme reduces intuitively.The user of computed tomograph scanner system and detected object also can see that this specific sweeping scheme is in the effect aspect reduction dosage from first graphical user's object of display screen.

Accompanying drawing explanation

To the person of ordinary skill in the art is more clear that above-mentioned and other feature and advantage of the present invention by describing the preferred embodiments of the present invention in detail with reference to accompanying drawing below, in accompanying drawing:

Fig. 1 is according to the schematic diagram of the computed tomograph scanner system of one embodiment of the invention.

Fig. 2 is the first schematic diagram of the display screen of the computed tomograph scanner system shown in Fig. 1.

Fig. 3 is the second schematic diagram of the display screen of the computed tomograph scanner system shown in Fig. 1.

Fig. 4 is the 3rd schematic diagram of the display screen of the computed tomograph scanner system shown in Fig. 1.

Fig. 5 is the 4th schematic diagram of the display screen of the computed tomograph scanner system shown in Fig. 1.

Fig. 6 is the 5th schematic diagram of the display screen of the computed tomograph scanner system shown in Fig. 1.

Fig. 7 is the 6th schematic diagram of the display screen of the computed tomograph scanner system shown in Fig. 1.

In above-mentioned accompanying drawing, the Reference numeral adopting is as follows:

100 computed tomograph scanner systems

102 scanneies

104 display screens

106 processors

108 first graphical user's objects

110 second graph user objects

The specific embodiment

For making the object, technical solutions and advantages of the present invention clearer, the present invention is described in more detail by the following examples.

Fig. 1 is according to the schematic diagram of the computed tomograph scanner system 100 of one embodiment of the invention.Computed tomograph scanner system 100 comprises one scan instrument 102, a display screen 104 and a processor 106.Scanner 102 can be with a specified scheme (for example, the scheme that the reconstruction angle proposing with application for a patent for invention 201110180887.3 or 201110180877.X scans) and a reference scheme (scheme for example, scanning with the reconstruction angle of 360 °) scan.Processor 106 is for calculating the parameter under specified scheme, and the dosage that this specified scheme of this parametric representation causes with respect to this reference scheme reduces.Display screen 104 represents this parameter for showing one first graphical user's object 108, the first graphical user's objects 108.

In the present embodiment, this parameter can be that reconstruction angle under specified scheme is with respect to the percent of the reconstruction angle under reference scheme.In other words, this parameter is the normalized value of the reconstruction angle under specified scheme.For example, if the reconstruction angle under specified scheme is 199.35 °, the reconstruction angle under reference scheme is 360 °, and this parameter is 55.4%.

Those skilled in the art know, and can adopt different sweeping schemes to reduce dosage.Now, the parameter that the dosage that expression specified scheme causes with respect to reference scheme reduces can be not limited to rebuild the normalized value of angle.

Fig. 2 is the first schematic diagram of the display screen 104 of the computed tomograph scanner system 100 shown in Fig. 1.Display screen 104 is for showing first graphical user's object 108.In Fig. 2, first graphical user's object 108 is numerals.The above-mentioned parameter that in each scanning, processor 106 calculates changes, and therefore represents that the concrete numeral of first graphical user's object 108 of this parameter also changes.

Fig. 3 is the second schematic diagram of the display screen 104 of the computed tomograph scanner system 100 shown in Fig. 1.Display screen 104 is for showing first graphical user's object 108.In Fig. 3, first graphical user's object 108 is to be with graduated showing rod.The above-mentioned parameter that in each scanning, processor 106 calculates changes, and therefore represents that the height of the showing rod of this parameter also changes.

Fig. 4 is the 3rd schematic diagram of the display screen 104 of the computed tomograph scanner system 100 shown in Fig. 1.Display screen 104 is for showing first graphical user's object 108.In Fig. 4, first graphical user's object 108 comprises a two-dimensional coordinate system at a two-dimensional curve and this two-dimensional curve place, and the vertical coordinate of this two-dimensional curve represents above-mentioned parameter, and the abscissa of this two-dimensional curve represents to obtain the time of parameter.

Fig. 5 is the 4th schematic diagram of the display screen 104 of the computed tomograph scanner system 100 shown in Fig. 1.Display screen 104 is for showing first graphical user's object 108 and a second graph user object 110.Second graph user object 110, for receiving user's input, makes processor 106 switch the form of first graphical user's object 108.As shown in Figure 5, first graphical user's object 108 is numerals.Second graph user object 110 can be a button, and when user's use is clicked this button such as the external input device of mouse, processor 106 switches the form of first graphical user's objects 108, for example represented form of Fig. 6.

Fig. 6 is the 5th schematic diagram of the display screen 104 of the computed tomograph scanner system 100 shown in Fig. 1.Display screen 104 is for showing first graphical user's object 108 and second graph user object 110.Second graph user object 110, for receiving user's input, makes processor 106 switch the form of first graphical user's object 108.As shown in Figure 6, first graphical user's object 108 is to be with graduated showing rod.Second graph user object 110 can be a button, and when user's use is clicked this button such as the external input device of mouse, processor 106 switches the form of first graphical user's objects 108, for example represented form of Fig. 7.

Fig. 7 is the 6th schematic diagram of the display screen 104 of the computed tomograph scanner system 100 shown in Fig. 1.Display screen 104 is for showing first graphical user's object 108 and second graph user object 110.Second graph user object 110, for receiving user's input, makes processor 106 switch the form of first graphical user's object 108.As shown in Figure 7, first graphical user's object 108 comprises a two-dimensional coordinate system at a two-dimensional curve and this two-dimensional curve place, and the vertical coordinate of this two-dimensional curve represents above-mentioned parameter, and the abscissa of this two-dimensional curve represents to obtain the time of parameter.Second graph user object 110 can be a button, and when user's use is clicked this button such as the external input device of mouse, processor 106 switches the form of first graphical user's objects 108, for example represented form of Fig. 5.

Those skilled in the art know, and in response to user's input, the multi-form of first graphical user's object 108 can present to be different from said sequence.

The specified scheme and the reference scheme that when in addition, the present invention is for scanner scanning, adopt do not limit.

The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims

1. a computed tomograph scanner system, comprises one scan instrument, a display screen and a processor, and described scanner can, with a specified scheme and reference scheme scanning, is characterized in that:

Described processor is for calculating the parameter under described specified scheme, and the dosage that specified scheme causes with respect to described reference scheme described in described parametric representation reduces;

Described display screen is used for showing one first graphical user's object, parameter described in described first graphical user's object encoding.

2. computed tomograph scanner system according to claim 1, is characterized in that, described parameter is that reconstruction angle under described specified scheme is with respect to the percent of the reconstruction angle under described reference scheme.

3. computed tomograph scanner system according to claim 1, is characterized in that, described the first graphical user is to liking a numeral.

4. computed tomograph scanner system according to claim 1, is characterized in that, described the first graphical user is with graduated showing rod to liking one.

5. computed tomograph scanner system according to claim 1, it is characterized in that, described first graphical user's object comprises a two-dimensional coordinate system at a two-dimensional curve and described two-dimensional curve place, the vertical coordinate of described two-dimensional curve represents described parameter, and the abscissa of described two-dimensional curve represents to obtain the time of described parameter.

6. computed tomograph scanner system according to claim 1, it is characterized in that, described display screen is used for showing a second graph user object, and described second graph user object is used for receiving user's input, makes described processor switch the form of described first graphical user's object.