CN101299068A - System and method for displaying computer tomographic scanning radiation dose - Google Patents
System and method for displaying computer tomographic scanning radiation dose Download PDFInfo
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- CN101299068A CN101299068A CNA2007100989521A CN200710098952A CN101299068A CN 101299068 A CN101299068 A CN 101299068A CN A2007100989521 A CNA2007100989521 A CN A2007100989521A CN 200710098952 A CN200710098952 A CN 200710098952A CN 101299068 A CN101299068 A CN 101299068A
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Abstract
The present invention discloses a computer tomography CT radiation dose display system which is applied in a CT examination that comprises a plurality of times of scanning. The system comprises the following components: a user interface component which receives the total radiation dosage value from the scanning control component and displays the total radiation dosage value; and a scanning control component which executes CT scanning. When each scanning is completed, the total radiation dosage value of total executed scanning in the CT examination is firstly calculated, and afterwards the calculated total radiation dosage value is conveyed to the user interface component. The invention further discloses a method for displaying the CT radiation dosage, and the method comprises the following steps: calculating the total radiation dosage value of all executed scanning after each scanning in the CT examination process comprising a plurality of times of scanning, and displaying the calculated total radiation dosage value. According to the invention in the CT examination process comprising a plurality of times of scanning, the total radiation dosage value is all displayed after each time of CT scanning, and the radiation dosage information is accurately provided in time.
Description
Technical field
The present invention relates to computed tomography (CT) equipment technical field, be meant a kind of CT radiation dose display system and a kind of CT radiation dose display packing especially.
Background technology
In computed tomography (CT) is checked, be the radiation dose in the gated sweep process, usually by the user according to predetermined greatest irradiation dosage, estimate radiation dose related parameter values such as scanning voltage parameter, sweep current parameter, and these estimated parameters values are input in the CT radiation dose display system.The CT radiation dose display system is carried out scanning according to these parameter values of user's input, and after checking end, the total radiation dosage value in the checking process is shown to the user.
The composition of above-mentioned CT radiation dose display system comprises user's interface unit 11 and scan control (ScanController) assembly 12 as shown in Figure 1.Comprise load module 111 and display module 112 in the user's interface unit 11 again, comprise CT interface module 121 and scanning execution module 122 in the scan control assembly 12 again.Wherein:
In the CT examination that only comprises single pass, above-mentioned scanning initiation command and inspection the finish command are all at this time scanning, and the total radiation dosage value that then calculates also is the radiation dose value of this time scanning.Because in this CT examination process, the scanning dose correlation parameter of input is that the user estimates according to predetermined greatest irradiation dosage, usually the total radiation dosage value that shows behind the end of scan can be less than or equal to the predetermined greatest irradiation dosage of user, thereby has guaranteed the controllability of radiation dose.
And in that detection waits in some the CT examination processes that need carry out repeatedly scanning as live body, the user need be by load module input scan initiation command repeatedly, and the scanning execution module whenever receives the single pass initiation command by the CT interface module, just carries out single pass.Check the finish command then only after the whole checking process that comprises repeatedly scanning finishes, just by user's input, thereby the scanning execution module can receive inspection the finish command by the CT interface module, and the total radiation dosage of calculating inspection also is shown to the user.Particularly, the flow process of CT radiation dose display packing comprises the steps: as shown in Figure 2 in the above-mentioned CT examination process
Step 201, CT radiation dose display system are obtained the radiation dose related parameter values and the scanning initiation command of user's input, carry out scanning according to the radiation dose related parameter values of user's input.
Here, before CT examination, usually estimate each radiation dose by the user according to the plan scanning times, again according to each evaluation of radiation dose scanning dose related parameter values of this estimation, thereby carry out scanning according to these scanning dose parameter values of estimating in advance, with the control radiation dose, prevent from inspected object is applied too much radiation.
Step 202, wait user input, and judge the order that the user imports, if receive the scanning initiation command, execution in step 203; If receive inspection the finish command, execution in step 204.
Step 203, the radiation dose related parameter values of foundation during according to last scan are perhaps carried out scanning according to the radiation dose related parameter values that the user re-enters, and return step 202 then.
Step 204, CT radiation dose display system are calculated the value of total radiation dosage from the scanning process of step 201 beginning, and the total radiation dosage value of calculating is shown to the user, then process ends.
And from the description of above-mentioned Fig. 2 as can be seen, in the CT examination process that comprises repeatedly scanning, owing to can not after each scanning, all show current total radiation dosage value, radiation dose in CT examination process information can not be provided timely and accurately, make the user can't grasp the current total radiation dosage in the checking process timely and accurately, the radiation dose correlation parameter that can't change input is according to actual needs flexibly controlled the radiation dose in the follow up scan process, often may be owing to the actual scanning number of times causes inspected object has been applied too much radiation more than the plan scanning times.
Summary of the invention
The invention provides a kind of CT radiation dose display system and method, the information of the radiation dose in the CT examination process can be provided timely and accurately.
A kind of computer tomographic scanning radiation dose display system provided by the invention is applied to comprise that this system comprises: user's interface unit and scan control assembly in the CT examination of repeatedly scanning; Wherein,
User's interface unit receives each scanning afterwards from the total radiation dosage value of described scan control assembly, and this total radiation dosage value is shown;
The scan control assembly is carried out CT scan, after each scanning is finished, at first calculates the total radiation dosage value of executed all scannings in the described CT examination, sends the total radiation dosage value that calculates to described user's interface unit then.
Preferably, comprise load module and graphical dosage display module in the described user's interface unit; Wherein,
Described load module receives the greatest irradiation dose value and the scanning initiation command of user's input, with the scanning initiation command that receives send to described scan control assembly and, send described greatest irradiation dose value to graphical dosage display module;
Described graphical dosage display module receives each scanning afterwards from the greatest irradiation dose value of load module; With, reception is from the total radiation dosage value of scan control assembly, and the total radiation dosage value that receives graphically shown with the proportionate relationship between the described greatest irradiation dose value, perhaps further show the described greatest irradiation dose value and/or the described total radiation dosage value of reception with the numerical value form.
Preferably, comprise in the described scan control assembly: CT interface module, scanning execution module and dose calculation module; Wherein:
The CT interface module receives the scanning initiation command from user's interface unit, sends the scanning initiation command that receives to the scanning execution module; With, receive the single radiation dose value of self-scanning execution module and the end of scan to notify, send single radiation dose value and the end of scan notice that receives to dose calculation module;
The scanning execution module receives the scanning initiation command from the CT interface module, carries out scanning according to the scanning initiation command that receives, and behind each end of scan, sends the single radiation dose value and the end of scan notice of this time scanning to the CT interface module;
Dose calculation module receives end of scan notice and the single radiation dose value from the CT interface module, calculate the total radiation dosage value of executed all scannings in the described CT examination according to the end of scan notice and the single radiation dose value that receive, obtain new total radiation dosage value, and send this new total radiation dosage value to user's interface unit.
Can comprise in the described user's interface unit: display module; Then described scanning execution module further behind all ends of scan of described CT examination, calculates the total radiation dosage value of all scannings, and sends the total radiation dosage value of calculating to the CT interface module;
Described CT interface module further receives the total radiation dosage value from described scanning execution module, and sends this total radiation dosage value to described display module;
Described display module receives the total radiation dosage value from the CT interface module, and shows this total radiation dosage value with the form of numerical value.
A kind of CT radiation dose display packing provided by the invention is applied to comprise that this method comprises in the CT examination of repeatedly scanning:
In the described CT examination process, after each scanning is finished, calculate the total radiation dosage value of executed all scannings in the described CT examination, and show the total radiation dosage value of this calculating.
Preferably, this method further comprises: the greatest irradiation dose value that obtains user's input;
The total radiation dosage value of then described this calculating of demonstration comprises: show the total radiation dosage value of described calculating and the proportionate relationship between the described greatest irradiation dose value.
Preferably, the described proportionate relationship of described demonstration is: described proportionate relationship is graphically shown.
Preferably, the total radiation dosage value of described this calculating of demonstration further comprises: the total radiation dosage value that shows described greatest irradiation dose value and/or described calculating with the numerical value form.
Preferably, describedly graphically be shown as: the form with the metering bar graphically shows.
Preferably, described method further comprises: obtain the scanning initiation command of user's input and check the finish command;
Further, before the total radiation dosage value of executed all scannings, can comprise in the described calculating CT examination:
Obtain the scanning initiation command of user's input, carry out CT scan, behind this time end of scan, carry out the total radiation dosage value of executed all scannings in the described calculating CT examination according to the described scanning sign on of obtaining.
Further, after the greatest irradiation dose value and described proportionate relationship that described demonstration is obtained, can comprise:
User's input is obtained in wait, and after the order that gets access to the user, judge that the user command that gets access to is scanning initiation command or inspection the finish command, if scanning initiation command, carry out CT scan, and behind this time end of scan, return the total radiation dosage value of carrying out executed all scannings in the described calculating CT examination; If inspection the finish command, process ends.
Described receiving can further include after checking the finish command: calculate the total radiation dosage value of all scannings in the described CT examination, and show this total radiation dosage value with the form of numerical value.
From above the solution of the present invention as can be seen, the present invention is in the CT examination process that comprises repeatedly scanning, all calculate the total radiation dosage value of executed all scannings in this CT examination after each scanning, and show the total radiation dosage value of this calculating, thereby provide the radiation dose information in the CT examination process timely and accurately.
And then, among the present invention, with patterned form, the proportionate relationship that shows current total radiation dosage and predefined greatest irradiation dose value makes the user know current total radiation dosage at an easy rate, then in the follow up scan process, can be according to the ratio of the shared greatest irradiation dosage of this total radiation dosage, determine whether to adjust the radiation dose related parameter values of scanning institute foundation neatly, and the amplitude of adjusting, thereby improved controllability radiation dose.
Description of drawings
To make the clearer above-mentioned and other feature and advantage of the present invention of those of ordinary skill in the art by describe exemplary embodiment of the present invention in detail with reference to accompanying drawing below, in the accompanying drawing:
Fig. 1 is the composition synoptic diagram of CT radiation dose display system in the prior art;
Fig. 2 is the process flow diagram of CT radiation dose display packing in the prior art;
Fig. 3 is the composition synoptic diagram of CT radiation dose display system first embodiment of the present invention;
Fig. 4 is the composition synoptic diagram of CT radiation dose display system second embodiment of the present invention;
Fig. 5 graphically shows synoptic diagram for a kind of exemplary CT radiation dose in the second embodiment of the invention;
Fig. 6 is the process flow diagram of a preferred embodiment of CT radiation dose display packing of the present invention.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is described in further details.
CT radiation dose display system of the present invention is applied to comprise that the composition of this CT radiation dose display system first preferred embodiment comprises user's interface unit 31 and scan control assembly 32 as shown in Figure 3 in the CT examination of repeatedly scanning.Wherein, user's interface unit 31 is used to receive the total radiation dosage value from described scan control assembly, and this total radiation dosage value is shown; Scan control assembly 32 is used to carry out CT scan, calculates the total radiation dosage value of executed all scannings in the described CT examination after each scanning is finished, and the total radiation dosage value that calculates is transmitted the described user's interface unit of giving.
At the composition of CT radiation dose display system second preferred embodiment as shown in Figure 4, comprise user's interface unit 41 and scan control assembly 42; Particularly, comprise load module 411 and graphical dosage display module 413 in the user's interface unit 41 again, comprise CT interface module 421, scanning execution module 422 and dose calculation module 423 in the scan control assembly 42 again.Wherein:
Graphical dosage display module 413 is used to receive the greatest irradiation dose value from load module 411, and, trigger the graphical proportionate relationship that shows between above-mentioned current total radiation dosage value and the above-mentioned greatest irradiation dose value immediately according to the current total radiation dosage value that receives from dose calculation module 423.Here, graphical dosage display module 413 can be the proportionate relationship between above-mentioned current total radiation dosage value of graphical demonstration and the greatest irradiation dose value; Also can in graphical demonstration aforementioned proportion relation, further show above-mentioned greatest irradiation dose value and/or above-mentioned current total radiation dosage value with the numerical value form again.
In Fig. 5,, when wherein graphically showing the aforementioned proportion relation, also shown the greatest irradiation dose value with the numerical value form with the example of metering bar as above-mentioned graphical demonstration.Wherein, Fig. 5 left side is the CT scan image, in the metering bar on this image right side, milli Gray (mGy) is a radiation unit, 200 is the greatest irradiation dose value, the shared metering bar length of white bulk portion of metering bar bottom is current total radiation dosage value, and as can be seen from Figure 5, current total radiation dosage value is 20.By so rapidly and accurately to the demonstration of current total radiation dosage value, the user is known current total radiation dosage at an easy rate, thereby in the follow up scan process, can be according to the ratio of the shared greatest irradiation dose value of this total radiation dosage, determine whether to need to adjust the radiation dose related parameter values of scanning institute foundation neatly, improve controllability radiation dose.
In the present embodiment, shown in dotted portion among Fig. 4, alternatively, scanning execution module 422 is further behind all ends of scan of once checking, built-up radiation variable in the calculating inspection process, and sending this built-up radiation variable to display module 412 by CT interface module 421, display module 412 shows the total radiation dosage value that receives with the form of numerical value.
It more than is detailed description to CT radiation dose display system embodiment provided by the invention, and the CT radiation dose display packing specific embodiment that the present invention also provides, be applied to comprise in the CT examination process of repeatedly scanning, after finishing, each scanning of this CT examination all calculates the total radiation dosage value of executed all scannings, it is current total radiation dosage value, and the current total radiation dosage value that will calculate shows, thereby the information of the radiation dose in the CT examination process is provided timely and accurately.
The flow process of a preferred embodiment of CT radiation dose display packing of the present invention comprises the steps: as shown in Figure 6
Here, usually estimate each radiation dose by the user according to the plan scanning times,, thereby carry out scanning according to these scanning dose parameter values again according to each evaluation of radiation dose scanning dose related parameter values of this estimation, with the control radiation dose, prevent from inspected object is applied too much radiation.
In addition, in this step and the follow-up step 603, when the proportionate relationship of current total radiation dosage value and greatest irradiation dose value is graphically shown, can also further show greatest irradiation dose value and/or current total radiation dosage value with the numerical value form again.
In this step, calculate current total radiation dosage value and be specially, calculate the preceding total radiation dosage value sum of current single radiation dose value and this time scanning, obtain new current total radiation dosage value.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1, a kind of computer tomographic scanning radiation dose display system is applied to comprise in the computer tomography CT inspection of repeatedly scanning, it is characterized in that this system comprises: user's interface unit (31,41) and scan control assembly (32,42); Wherein,
User's interface unit (31,41) receives each scanning afterwards from the total radiation dosage value of described scan control assembly (32,42), and this total radiation dosage value is shown;
Scan control assembly (32,42) is carried out CT scan, after each scanning is finished, at first calculates the total radiation dosage value of executed all scannings in the described CT examination, sends the total radiation dosage value that calculates to described user's interface unit (31,41) then.
2, system according to claim 1 is characterized in that, comprises load module (411) and graphical dosage display module (413) in the described user's interface unit (41); Wherein,
Described load module (411) receives the greatest irradiation dose value and the scanning initiation command of user's input, send the scanning initiation command that receives to described scan control assembly (32,42) and, send described greatest irradiation dose value to graphical dosage display module (413);
Described graphical dosage display module (413) receives the greatest irradiation dose value from load module (411); With, receive and scan self-scanning Control Component (32 afterwards at every turn, 42) total radiation dosage value, and the total radiation dosage value that receives graphically shown with the proportionate relationship between the described greatest irradiation dose value, perhaps further show the described greatest irradiation dose value and/or the described total radiation dosage value of reception with the numerical value form.
3, system according to claim 1 is characterized in that, comprises in the described scan control assembly (42): CT interface module (421), scanning execution module (422) and dose calculation module (423); Wherein:
CT interface module (421) receives the scanning initiation command from user's interface unit (31,41), sends the scanning initiation command that receives to scanning execution module (422); With, receive the single radiation dose value of self-scanning execution module (422) and the end of scan to notify, send single radiation dose value and the end of scan notice that receives to dose calculation module (423);
Scanning execution module (422) receives the scanning initiation command from CT interface module (421), carry out scanning according to the scanning initiation command that receives, and behind each end of scan, send the single radiation dose value and the end of scan notice of this time scanning to CT interface module (421);
Dose calculation module (423) receives end of scan notice and the single radiation dose value from CT interface module (421), calculate the total radiation dosage value of executed all scannings in the described CT examination according to the end of scan notice and the single radiation dose value that receive, obtain new total radiation dosage value, and send this new total radiation dosage value to user's interface unit (31,41).
4, system according to claim 3 is characterized in that, described user's interface unit comprises in (41): display module (412);
Described scanning execution module (422) further behind all ends of scan of described CT examination, calculates the total radiation dosage value of all scannings, and sends the total radiation dosage value of calculating to CT interface module (421);
Described CT interface module (421) further receives the total radiation dosage value from described scanning execution module (422), and sends this total radiation dosage value to described display module (412);
Described display module (412) receives the total radiation dosage value from CT interface module (421), and shows this total radiation dosage value with the form of numerical value.
5, a kind of computer tomographic scanning radiation dose display packing is applied to comprise in the CT examination of repeatedly scanning, it is characterized in that this method comprises:
In the described CT examination process, after each scanning is finished, calculate the total radiation dosage value of executed all scannings in the described CT examination, and show the total radiation dosage value of this calculating.
6, method according to claim 5 is characterized in that, this method further comprises: the greatest irradiation dose value that obtains user's input;
The total radiation dosage value of then described this calculating of demonstration comprises: show the total radiation dosage value of described calculating and the proportionate relationship between the described greatest irradiation dose value.
7, method according to claim 6 is characterized in that, the described proportionate relationship of described demonstration is: described proportionate relationship is graphically shown.
8, method according to claim 7 is characterized in that, the total radiation dosage value of described this calculating of demonstration further comprises: the total radiation dosage value that shows described greatest irradiation dose value and/or described calculating with the numerical value form.
9, method according to claim 7 is characterized in that, describedly graphically is shown as: the form with the metering bar graphically shows.
10, method according to claim 6 is characterized in that, before the total radiation dosage value of executed all scannings, further comprises in the described calculating CT examination:
Obtain the scanning initiation command of user's input, carry out CT scan, behind this time end of scan, carry out the total radiation dosage value of executed all scannings in the described calculating CT examination according to the described scanning sign on of obtaining.
11, method according to claim 10 is characterized in that, after the greatest irradiation dose value and described proportionate relationship that described demonstration is obtained, further comprises:
User's input is obtained in wait, and after the order that gets access to the user, judge that the user command that gets access to is scanning initiation command or inspection the finish command, if scanning initiation command, carry out CT scan, and behind this time end of scan, return the total radiation dosage value of carrying out executed all scannings in the described calculating CT examination; If inspection the finish command, process ends.
12, method according to claim 11 is characterized in that, described receiving further comprises after checking the finish command: calculate the total radiation dosage value of all scannings in the described CT examination, and show this total radiation dosage value with the form of numerical value.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102090898A (en) * | 2010-12-24 | 2011-06-15 | 苏州雷泰医疗科技有限公司 | Digital image detecting device for measuring detection and verification of point dosage rapidly in real time |
| CN103096802A (en) * | 2010-09-07 | 2013-05-08 | 株式会社日立医疗器械 | X-ray ct device |
| CN103340646A (en) * | 2013-07-23 | 2013-10-09 | 奚岩 | Method for calculating, displaying and storing radiation dosages of CT image formation |
| CN103632021A (en) * | 2012-08-23 | 2014-03-12 | 上海西门子医疗器械有限公司 | Electronic device, medical equipment and medical equipment system |
| CN104077177A (en) * | 2013-03-28 | 2014-10-01 | 上海西门子医疗器械有限公司 | Method for processing reconstruction task and computer tomography equipment |
| CN104757986A (en) * | 2014-01-06 | 2015-07-08 | 上海西门子医疗器械有限公司 | X-ray dose information presentation method, X-ray dose information presentation device and x-ray scanning device |
| CN106019352A (en) * | 2016-05-16 | 2016-10-12 | 袁子龙 | Method for automatically computing hospital CT patient radiation dose |
| CN108392214A (en) * | 2018-01-22 | 2018-08-14 | 深圳蓝韵医学影像有限公司 | Dose area assay method, system and the storage medium of digital X-ray |
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2007
- 2007-04-30 CN CNA2007100989521A patent/CN101299068A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103096802A (en) * | 2010-09-07 | 2013-05-08 | 株式会社日立医疗器械 | X-ray ct device |
| CN103096802B (en) * | 2010-09-07 | 2015-12-16 | 株式会社日立医疗器械 | X ray CT device |
| CN102090898A (en) * | 2010-12-24 | 2011-06-15 | 苏州雷泰医疗科技有限公司 | Digital image detecting device for measuring detection and verification of point dosage rapidly in real time |
| CN103632021A (en) * | 2012-08-23 | 2014-03-12 | 上海西门子医疗器械有限公司 | Electronic device, medical equipment and medical equipment system |
| CN104077177A (en) * | 2013-03-28 | 2014-10-01 | 上海西门子医疗器械有限公司 | Method for processing reconstruction task and computer tomography equipment |
| CN103340646A (en) * | 2013-07-23 | 2013-10-09 | 奚岩 | Method for calculating, displaying and storing radiation dosages of CT image formation |
| CN104757986A (en) * | 2014-01-06 | 2015-07-08 | 上海西门子医疗器械有限公司 | X-ray dose information presentation method, X-ray dose information presentation device and x-ray scanning device |
| CN106019352A (en) * | 2016-05-16 | 2016-10-12 | 袁子龙 | Method for automatically computing hospital CT patient radiation dose |
| CN106019352B (en) * | 2016-05-16 | 2018-08-17 | 袁子龙 | A kind of automatic calculating method of hospital CT patient radiation doses |
| CN108392214A (en) * | 2018-01-22 | 2018-08-14 | 深圳蓝韵医学影像有限公司 | Dose area assay method, system and the storage medium of digital X-ray |
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