Summary of the invention
The problem that the present invention solves is to realize the automatic switchover of acquisition system, simplified the workflow that acquisition system is switched, in use procedure, the exposure parameter that radio operator needs without the acquisition system that manually setting will be switched, saved the time, for the diagnosis of urgent measurand has brought facility.
For addressing the above problem, the invention provides a kind of system of switching for digital control X-ray DR system acquisition system, it is characterized in that, comprise: the control unit being connected with described acquisition system, and the flat position detecting unit and the memory cell that are connected with described control unit respectively, wherein:
Described flat position detecting unit, for detection of the positional information of X ray receiving system upper flat plate, and feeds back to control unit by obtained flat position information;
Described memory cell, for storing the needed parameter information of acquisition system of different exposure modes and the flat position information of detection, described flat position information comprises current flat position information and the front positional information of flat board while once taking;
Described control unit, for receiving described flat position information, according to the current flat position information detecting and the front positional information of flat board while once taking, judges whether the acquisition system exposure mode that will switch and switch; If desired switch the exposure mode of acquisition system, control the switching of acquisition system under the exposure mode switching.
Optionally, described acquisition system comprises image acquisition units, high voltage control unit, mill stand control unit, controls respectively the different piece of described acquisition system; The parameter information that described control unit needs acquisition system under switched exposure mode sends to respectively described image acquisition units, high voltage control unit, mill stand control unit, by image acquisition units, high voltage control unit, mill stand control unit, judge voluntarily whether the appropriate section of acquisition system under described exposure mode will switch and control the switching of described appropriate section, wherein:
Described image acquisition units judges whether the X ray receiving system that will switch and switch;
The exposure channel whether described high voltage control unit judges will be switched and switch, and revise the high pressure generator parameter of acquisition system under the exposure mode switch;
The grid induction installation whether described mill stand control unit judges will be switched and switch, and adjust the position of the frame of acquisition system under the exposure mode switch.
Optionally, described acquisition system comprises image acquisition units, high voltage control unit, mill stand control unit, controls respectively the different piece of described acquisition system; Described control unit is according to switched acquisition system exposure mode, judge whether the concrete part of the acquisition system that will switch and switch, and by switched concrete part and the parameter of switching described concrete part and needing send to acquisition system, by described acquisition system, controlled the switching of described concrete part.
Optionally, the parameter information of described exposure mode comprises the type of exposure mode and high pressure generator parameter, auto-exposure control AEC passage, grid induction installation and the frame position information associated with described exposure mode.
Optionally, described flat position detecting unit is flat position checkout gear, and described flat position checkout gear is arranged on the device for fixed flat planar on described X ray receiving system.
Optionally, described flat position checkout gear is sensitive switch.
A method of switching for controlling DR system acquisition system, is characterized in that, comprising:
Detect the positional information of X ray receiving system upper flat plate;
Store the needed parameter information of acquisition system of different exposure modes and the flat position information of detection, wherein, described flat position information comprises current flat position information and the front positional information of flat board while once taking;
According to the current flat position information detecting and the front positional information of flat board while once taking, judge whether the acquisition system exposure mode that will switch and switch; If desired switch the exposure mode of acquisition system, control the switching of acquisition system under the exposure mode switching.
Optionally, the switching of described acquisition system comprises:
The X ray receiving system that judges whether to switch X ray receiving system and switch, if desired switches X ray receiving system, controls the switching of X ray receiving system;
Judge whether the exposure channel that will switch exposure channel and switch, if desired switch exposure channel, control the switching of exposure channel, and according to switched exposure channel, revise the high pressure generator parameter of acquisition system under described exposure mode;
The grid induction installation that judges whether to switch grid induction installation and switch, if desired switch grid induction installation, control the switching of grid induction installation, and according to switched grid induction installation, adjust the position of the frame of acquisition system under described exposure mode.
Optionally, described acquisition system receives the concrete part that under the exposure mode switching, acquisition system need to be switched and switches the needed parameter information of described concrete part, and acquisition system is controlled the switching of described concrete part according to described information.
Optionally, the parameter information of described exposure mode comprises the type of exposure mode and high pressure generator parameter, auto-exposure control AEC passage, grid induction installation and the frame position information associated with described exposure mode.
Optionally, described flat position detecting unit is flat position checkout gear, and described flat position checkout gear is arranged on the device for fixed flat planar on described X ray receiving system.
Optionally, described flat position checkout gear is sensitive switch.
Compared with prior art, technical scheme of the present invention has the following advantages:
According to the flat position information detecting, judge whether the exposure mode of the acquisition system that will switch and switch, saved the step of artificial selection acquisition system exposure mode, avoided the risk because artificially selecting wrong exposure mode to bring, when having shortened workflow, radio operator's fail safe has been had to better guarantee.
Further, control unit receives the flat position information that flat position detecting unit detects, the acquisition system that judgement will be switched, simultaneously, in conjunction with the needed various parameters of predefined different exposure modes are directly called, and the needed information correspondence of acquisition system under switched exposure mode is sent to each subelement of acquisition system, image acquisition units for example, high voltage control unit and mill stand control unit, by image acquisition units, high voltage control unit and mill stand control unit judge whether to switch appropriate section voluntarily, and complete respectively the control operation of corresponding part, save artificial parameters in prior art and adjusted the step of appropriate section.
In the present invention, control unit also can be after judging exposure mode, to acquisition system, need the concrete part of switching to judge again, for example, under the exposure mode switching, acquisition system only needs the corresponding part in high voltage control unit and mill stand control unit to switch, image acquisition units does not need to switch, and now, control unit only need to be sent to respectively high voltage control unit and mill stand control unit by parameter information corresponding to high voltage control unit and mill stand control unit.This process all completes automatically, need not manual operation, and the reaction time is rapid, save artificial parameters in prior art and adjusted the step of appropriate section, for example, saved the step of artificial switching X ray receiving system in prior art, enabled AEC passage and revised the step of high pressure generator, adjusted the position of frame and enable the step of grid induction installation, can greatly reduce shooting time, increased work efficiency.
Use sensitive switch as flat position checkout gear, it is quick on the draw, cheap, easily realizes, and cost performance is higher.
The method of switching for controlling DR system acquisition system provided by the invention, corresponding to above-mentioned for controlling the job step of the system that DR system acquisition system switches, according to the method for the invention, can shorten the workflow of the switching that realizes acquisition system, simple to operate, saved the time, to measurand, can diagnose more fast.
Embodiment
In the use procedure of existing DR system, the flow process of its exposure is generally: select measurand; According to the situation of measurand, select corresponding acquisition system; Set the needed exposure parameter of acquisition system; Measurand is put position; Complete exposure.Wherein, set the needed exposure parameter of acquisition system, comprise all multi-steps such as position of setting auto-exposure control passage, grid induction installation and adjusting frame, all need radio operator manually to arrange successively, process is loaded down with trivial details, easily make mistakes, if forget and revise or certain parameter of bug patch, selected wrong acquisition channel, more can make this exposure invalid, measurand and radio operator all caused to unnecessary radiation risk, while reselecting acquisition system, reset again relevant parameter, greatly incured loss through delay Diagnostic Time.
Hence one can see that, although DR system of the prior art provides certain facility for the application in medical field, but its operating process still loaded down with trivial details, easily make mistakes, operation link is wayward, for this problem, the invention provides a kind of system automatically switching for controlling DR system acquisition system, the handoff procedure that makes acquisition system more simply, easily operation, can greatly improve shooting efficiency, shorten shooting time.
For above-mentioned purpose of the present invention, feature and advantage can more be become apparent, below in conjunction with accompanying drawing, specific embodiments of the invention are described in detail.
The system that the control acquisition system A1 that Fig. 1 provides for the bright embodiment of this law switches, comprising:
The control unit 110 being connected with described acquisition system A1, and the flat position detecting unit 120 and the memory cell 130 that are connected with described control unit 110 respectively, wherein:
Described flat position detecting unit 120, for detection of the positional information of X ray receiving system upper flat plate, and feeds back to control unit 110 by obtained flat position information;
Described memory cell 130 is for storing the needed parameter information of acquisition system of different exposure modes and the flat position information of detection, and described flat position information comprises current flat position information and the front positional information of flat board while once taking;
Described control unit 110 is for receiving described flat position information, according to the current flat position information detecting and the front positional information of flat board while once taking, judge whether the acquisition system exposure mode that will switch and switch, if desired switch the exposure mode of acquisition system, control the switching of acquisition system under the exposure mode switching.
It should be noted that, the above-mentioned system of enumerating is a kind of execution mode, according to different situations, can do adaptive modification to native system, for example increase signal processing unit, described signal processing unit input is connected with flat position detecting unit, and output is connected with control unit, and the flat position information data detecting is processed.Meanwhile, be originally described in embodiment in system the quantity of each unit also unrestricted.
Described control unit can adopt IC chip to realize, and certainly also can adopt other control modules to realize, and between control unit A1 and acquisition system, can adopt wired connection, also can adopt wireless mode to connect, as long as can play the effect of transfer of data.
The needed parameter information of acquisition system of different exposure modes described in the present embodiment comprises the type of exposure mode and associated with described exposure mode high pressure generator parameter, auto-exposure control AEC channel setting, the setting of grid induction installation and frame position information etc., above-mentioned information is set in advance in memory cell 130, for control unit 110, directly calls; Certainly, described memory cell 130 is also stored the flat position information detecting, and described in the flat position information that detects comprise current flat position information and the front positional information of flat board while once taking, control unit 110 compares the current flat position information receiving and front flat position information while once taking, if flat position is identical, do not need to switch acquisition system, otherwise control unit 110 need to be controlled the switching of acquisition system.
As shown in Figure 2, the acquisition system described in the present embodiment at least comprises image acquisition units A101, high voltage control unit A102, mill stand control unit A103, controls respectively the different piece of described acquisition system; The information that described control unit 110 needs acquisition system A1 under switched exposure mode sends to respectively described image acquisition units, high voltage control unit, mill stand control unit, by image acquisition units A101, high voltage control unit A102, mill stand control unit A103, judge voluntarily whether the appropriate section of acquisition system under described exposure mode will be switched and control described appropriate section and specifically switch, wherein:
Described image acquisition units A101 judges whether the X ray receiving system that will switch and switch; Concrete, described X ray receiving system comprises breast photograph shelf and/or level bed, and wherein, breast photograph shelf is for the shooting situation of vertical position, and level bed is for the shooting situation of clinostatism, and described image acquisition units A101 switches according to 110 pairs of X ray receiving systems of control unit.
Described high voltage control unit A102 judges whether the exposure channel that will switch and switch, revises the high pressure generator parameter of acquisition system under described exposure mode; For example, under BWS FD and Table FD, need to enable AEC passage, and Free FD is next, do not need to enable AEC passage; High voltage control unit A4 also needs to arrange corresponding high pressure generator parameter, and this process is also corresponding setting of information sending according to control unit, guarantees that X-ray generator can normal transmission X ray.
Described mill stand control unit A103 judges whether the grid induction installation that will switch and switch, and adjusts the position of the frame of acquisition system under described exposure mode; For example, under BWS FD and Table FD, need to enable grid induction installation, and Free FD is next, do not need to enable grid induction installation; Mill stand control unit also needs automatically to complete the setting of shelf position, has saved the artificial step of adjusting frame in prior art, has improved the accuracy and efficiency of photographic process.
Certainly, control unit 110 also can be after judging exposure mode, to acquisition system A1, need the concrete part of switching to judge again, for example, under the exposure mode switching, acquisition system only needs high voltage control unit A102 and the corresponding part of mill stand control unit A103 to switch, image acquisition units A101 does not need to switch, now, 110 of control units need to be sent to respectively high voltage control unit and mill stand control unit by high voltage control unit A102 and parameter information corresponding to mill stand control unit A103.In this process, control unit 110 not only will be judged switched acquisition system exposure mode, also to partly judge the acquisition system that needs to switch under switched exposure mode, and image acquisition units, high voltage control unit and mill stand control unit are without judging whether voluntarily to switch appropriate section, only need basis whether to receive the information of control unit, receive, switch, do not receive, without switching.
Flat position detecting unit 120 in the present embodiment can be used flat position checkout gear to realize, and concrete, described flat position checkout gear can be used the sensitive switch A202 in Fig. 3, and sensitive switch is quick on the draw, cheap, sexual valence Ge Genggao.In the present embodiment, on level bed and breast photograph shelf, be all provided with sensitive switch.Certainly, described flat position checkout gear also can other position transducer be realized, such as infrared sensor etc.While using the latter, the position of desired location transducer voluntarily, those skilled in the art are choice for use as the case may be, and the sensitive switch A202 of usining in the present embodiment describes as the embodiment of flat position checkout gear.
Below in conjunction with Fig. 3, using and expose the exposure mode of film magazine as the standby exposure mode of DR system, with doctor, patient is diagnosed the situation of taking, system operating process of the present invention is described:
As shown in Figure 3, adopting sensitive switch A202 is the flat position checkout gear of flat position detecting unit of the present invention, the action reed that comprise actuated element, is connected with actuated element and with move reed and be connected to produce the Switch main body of the signal of telecommunication.Sensitive switch be arranged on X ray receiving system for fixed flat planar device A201, promote dull and stereotyped, the relative X ray receiving system of dull and stereotyped A2 is to the direction motion at sensitive switch A202 place, sensitive switch is inserted in flat board, dull and stereotyped to sensitive switch generation (seeing the arrow left in Fig. 3) pressure left, described pressure acts on action reed by actuated element, change action reed with respect to the displacement (seeing arrow to the right in Fig. 3) of Switch main body, and then control the open and close of described sensitive switch.
Below summary has the course of work of the DR system of the present embodiment: start DR system, acquisition system directly enters Free FD pattern.If patient now need to carry out the shooting of rabat, now, doctor only need to promote the direction motion at dull and stereotyped sensitive switch place on breast photograph shelf, sensitive switch A202 is inserted in dull and stereotyped A2, and then the actuated element of sensitive switch is produced to pressure, described pressure acts on spring leaf by actuated element, changes spring leaf with respect to the displacement of Switch main body, make sensitive switch closed, and then produce the signal of telecommunication to control unit 110.
System described in the present embodiment is carried out following process automatically according to the flat position information detecting: control unit 110 is analyzed and judged the acquisition system that will switch, the acquisition system information that control unit will switch sends to the image acquisition units A101 of acquisition system A1, high voltage control unit A102 and mill stand control unit A103, it is breast photograph shelf that image acquisition units is switched X ray receiving system, AEC passage under high voltage control unit judges BWS FD pattern, and set high pressure generator parameter, grid induction installation under mill stand control unit judges BWS FD pattern, and adjust the position of frame, patient puts position, complete shooting.
Same, it is also the same by Free FD pattern, entering the shooting of Table FD pattern.It should be noted that, by Table FD pattern or BWS FD, enter Free FD pattern, only need doctor to pull flat board, make being separated with sensitive switch on sensitive switch on dull and stereotyped and level bed or breast photograph shelf.
In order to facilitate radio operator's use, acquisition system described in the present embodiment also comprises the user's input-output unit being connected with control unit, can be for receiving the selected exposure mode of doctor, described exposure mode comprises dull and stereotyped exposure mode and exposure film magazine exposure mode.Certainly, those skilled in the art can go and set other data that need to input as required; The state information of the acquisition system of the concrete exposure mode that described user's input-output unit can also be determined control unit shows, for example, show that BWS FD pattern, the facilities of AEC passage are, the data of high pressure generator arrange positional information of overview, frame etc.Described user's input-output unit has not only guaranteed the integrality of function, and also for convenience is provided in use procedure, radio operator can be confirmed whether it is the pattern oneself needing again according to the exposure mode showing, avoids causing shooting mistake.
As shown in Figure 4, under the state of DR system initialization, enter Free FD pattern.DR system also can be selected Casette pattern, as the conversion between Casette pattern in Fig. 4 and BWS FD pattern, Table FD pattern and Free FD pattern.The Casette exposure mode (operating 3) that only needs doctor to select in user's input-output unit, can enter the exposure mode with Casette; If the front screening-mode words identical with the screening-mode next time of Casette pattern of Casette pattern, dull and stereotyped position does not change, the current flat position information detecting is identical with front flat position information while once taking, now, only need doctor in user's input-output unit, to select dull and stereotyped exposure mode (operating 3 '), can enter the shooting of same dull and stereotyped exposure mode, in this process, the control system in the present embodiment is without again switching.
If the front screening-mode words different from the screening-mode next time of Casette pattern of Casette pattern, for example a front screening-mode of Casette pattern is BWS FD pattern, the screening-mode next time of Casette pattern is Table FD pattern, need doctor to pull flat board, make sensitive switch on dull and stereotyped and breast photograph shelf be separated (operating 1), DR system switches to after Free FD pattern, again the sensitive switch on level bed is inserted in flat board and (operates 2), flat position changes, control system in the present embodiment is according to the variation of flat position, start the work of control system, exposure mode to acquisition system switches, and control the image acquisition units of acquisition system, high voltage control unit, mill stand control unit operates accordingly, complete the conversion to Table FD pattern by BWS FD pattern.Otherwise, conversion by Table FD pattern to BWS FD pattern, need the sensitive switch on dull and stereotyped and level bed to be separated (operating 2 '), DR system switches to after Free FD pattern, then the sensitive switch on level bed is inserted in flat board and (operates 1 ').
The annexation of said system is not subject to for example restriction of content, and its each several part forms can pass through connection, possible wireless connections sometimes or by network remote control, signal controlling etc.The value volume and range of product that described each several part forms is not subject to the restriction of foregoing yet, according to actual conditions, can arrange flexibly.
Fig. 5 is a kind of execution mode of the method for control acquisition system switching provided by the invention, and it comprises:
Step S101: the positional information that detects X ray receiving system upper flat plate;
Step S102: store the needed parameter information of acquisition system of different exposure modes and the flat position information of detection, wherein, described flat position information comprises current flat position information and the front positional information of flat board while once taking;
Step S103: according to the current flat position information detecting and the front positional information of flat board while once taking, judge whether the acquisition system exposure mode that will switch and switch, if desired switch the exposure mode of acquisition system, control the switching of acquisition system under the exposure mode switching.
Refer step S101, described DR system comprises X ray receiving system and X-ray generator, wherein X ray receiving system comprise breast photograph shelf and/level bed, the positional information of described detection X ray receiving system upper flat plate, detect breast photograph shelf and/positional information of level bed upper flat plate.When flat board is positioned on breast photograph shelf, is applicable to BWS FD pattern and takes, when flat board is positioned on level bed, is applicable to Table FD pattern and takes.The general flat position checkout gear that adopts detects, wherein flat position checkout gear can adopt other position transducer to realize, infrared sensor for example, in the present embodiment, adopt sensitive switch to realize, method described in the present embodiment is identical with the sensitive switch that described control system adopts, and repeats no more herein.
Refer step S102, the needed information of acquisition system of every kind of pattern, by after pre-stored, needs in conjunction with dull and stereotyped current positional information judgement the acquisition system of switching.Wherein, switch the acquisition system of different mode, can insert or depart from dull and stereotyped by the artificial sensitive switch on X ray receiving system that makes of doctor.Accordingly, the needed parameter information of acquisition system of described same exposure mode comprise the type of exposure mode and the high pressure generator parameter associated with described exposure mode, auto-exposure control AEC channel setting, the setting of grid induction installation, frame position information etc. can be in advance with the form storage of protocol package, so that subsequent step can directly call above-mentioned information, improve processing speed.
Refer step S103, current detection to flat position information and front when the positional information of flat board is identical while once taking, flat position does not change, now the control system in the present embodiment need not start the switch operating of acquisition system; Current detection to flat position information and front when the positional information of flat board is different while once taking, the flat position of judgement current detection, determine the concrete acquisition system exposure mode switching, if desired switch the exposure mode of acquisition system, control the switching of acquisition system under described exposure mode.
When information that described acquisition system receives is the concrete part that under switched exposure mode, acquisition system need to be switched and while switching the needed parameter of described concrete part, described acquisition system is controlled the switching of described concrete part according to above-mentioned information, without acquisition system oneself judgement, need the concrete part of switching.
When information that described acquisition system receives is only under switched exposure mode during the needed parameter of acquisition system, described acquisition system needs oneself to judge whether the concrete part that will switch and switch, and concrete, the switching of described acquisition system comprises:
Judge whether to switch X ray receiving system, if desired switch X ray receiving system, control the switching of X ray receiving system;
Judge whether to switch exposure channel, if desired switch exposure channel, control the switching of exposure channel, and according to switched exposure channel, revise the high pressure generator parameter of acquisition system under described exposure mode;
Judge whether to switch grid induction installation, if desired switch grid induction installation, control the switching of grid induction installation, and according to switched grid induction installation, adjust the position of the frame of acquisition system under described exposure mode.
Need explanation time, the information receiving when described acquisition system is only while switching the needed parameter of described concrete part, the step that above-mentioned acquisition system is switched can be carried out simultaneously, also can carry out step by step, there is no the restriction of sequencing, after above-mentioned steps all completes, the acquisition system of DR system is just understood handover success.Certainly, described acquisition system is not limited to only include said units, in the situation that acquisition system also comprises other unit, also needs after the corresponding operation of completing of other unit, and acquisition system is handover success.
It should be noted that, described switching X ray receiving system switches between breast photograph shelf or level bed; Switch the exposure channel of acquisition system under described exposure mode and revise in the step of high pressure generator parameter of acquisition system under described exposure mode, to first carry out the switching (exposure channel is often referred to AEC passage) to exposure channel, under the exposure mode of the appropriate section that makes acquisition system after switching, just can carry out the setting to high pressure generator parameter, avoid high pressure generator to be set up under former exposure mode, cause the invalid of exposure; The position of switching acquisition system grid induction installation under described exposure mode and adjusting the frame of acquisition system under described exposure mode is also same principle, first carries out just going to adjust the position of frame after the switching of grid induction installation.
Method of the present invention, by controlling to the detection of flat position and to the connection of acquisition system appropriate section, realized the automatic switchover of acquisition system in described DR system, avoided people to select acquisition system, change the loaded down with trivial details steps such as part corresponding under different exposure modes and parameter, simplified the workflow of utilizing DR system to take, improve operating efficiency, reduced the generation that wrong exposure mode shooting and invalid exposure mode are taken situation.
Although the present invention discloses as above, the present invention is not defined in this.Any those skilled in the art, without departing from the spirit and scope of the present invention, all can make various changes or modifications, so protection scope of the present invention should be as the criterion with claim limited range.