CN103550870B - A kind of analog light source assembly of medical electronic linear accelerator - Google Patents
A kind of analog light source assembly of medical electronic linear accelerator Download PDFInfo
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- CN103550870B CN103550870B CN201310512776.7A CN201310512776A CN103550870B CN 103550870 B CN103550870 B CN 103550870B CN 201310512776 A CN201310512776 A CN 201310512776A CN 103550870 B CN103550870 B CN 103550870B
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Abstract
The invention provides a kind of analog light source assembly of medical electronic linear accelerator, comprising: analog light source, X ' axle regulate driving device, Y ' axle to regulate driving device, Z ' axle to regulate driving device; X ' axle in analog light source coordinate system, Y ' axle and Z ' axle respectively with the X-axis in radiation source coordinate system, Y-axis and Z axis one_to_one corresponding; X ' axle regulates driving device, Z ' axle to regulate driving device and Y ' axle to regulate between driving device and is connected to each other according to predefined procedure; X ' axle regulates driving device, Y ' axle to regulate driving device, Z ' axle to regulate driving device to be respectively used to regulate analog light source in X ' axle, Y ' axle and the axial position of Z '.The adjustment driving device corresponding due to each axle provided by the invention and radiation from machine source coordinate system one_to_one corresponding, even if after replacing analog light source, also can ensure that two coordinate systems are one to one, and analog light source can be regulated easily by the driving device that each axle is corresponding, the radiation field size of analog light source is overlapped with the radiation field size of radiation field size.
Description
Technical field
The present invention relates to technical field of medical equipment, particularly a kind of analog light source assembly of medical electronic linear accelerator.
Background technology
Medical electronic linear accelerator is the capital equipment for tumour radiotherapy.The operation principle of medical electronic linear accelerator utilizes the microwave electric field of the high energy electron and HIGH-POWERED MICROWAVES with certain energy to interact, and makes electronics obtain higher energy.Electronics is directly drawn, and can do electric wire treatment.Electronic percussion heavy metal target, produces X-ray, can do x-ray treatment.
Because electric wire or X-ray be can't see when launching, be can not touch, and doctor needs to carry out position to the region for the treatment of and checks when treating, therefore need to simulate the radiation field size of electric wire or X-ray, is convenient to the region of doctor to treatment and carries out position and check.
During treatment, medical electronic linear accelerator radiation source positions launches sigmatron, utilize X-ray to the reflexive of high density material, form radiant flux by beam limiting devices such as the example of primary collimator that density is high, form the radiation field size of suitable shape in the wild plane of radiation field size/light.
Need before the treatment to verify the accuracy of radiation field size, general employing analog light source analog radiation source, radiation field size is simulated, because the device producing radiation source is larger, analog light source cannot be installed in radiation source positions, utilize the principle of reflection of light and X-ray can pass the penetrance of low density material, in position the illuminator made of low density material and analog light source are installed, the light that analog light source produces forms light open country by the reflection of illuminator in the wild plane of radiation field size/light, simulation radiation field size, reaches the object of analog light source analog radiation source.
Doctor can wildly by light contrast with the treatment shape of expection before the treatment, improves therapeutic effect.The positional precision of the locational uncertainty that radiation source causes owing to manufacturing and assemble and the analog light source after changing light source and radiation source, requires that analog light source assembly can regulate in the X, Y, Z axis of radiation source.
In prior art, the general light beam adopting analog light source to send simulates radiation field size by reflecting mirror, and analog light source is fixed on analog light source assembly.
Existing analog light source generally by the Halogen light of heating luminous as light source.The power needed due to Halogen light is large, electric current large, generates heat higher, therefore needs the power supply that control circuit provides very large.
Halogen light belongs to wearing detail, needs frequently to change, general 500 hours of life-span, and according to working every day 2 hours, work in 1 year calculates for 250 days, needs an annual replacing Halogen light.Therefore, within the 10 years service life of accelerator, replacing 10 Halogen lights are needed.And need after each replacing light source to regulate light open country to overlap with radiation field size.When regulating analog light source position, needing to carry out when Halogen light is opened, due to Halogen light heating, needing during adjustment to prevent from scalding.Often regulate an analog light source to need again to go out bundle and verify once whether light open country overlaps with radiation field size.
The position why needing to readjust analog light source is introduced in detail below in conjunction with Fig. 1.
See Fig. 1, this figure is accelerator simulation light source front view in prior art.
In Fig. 1, A-radiation source; B-example of primary collimator; C-radiant flux; D-illuminator; E-reflects front simulation light beam; F-Halogen light; G-analog light source assembly; H-radiation field size/light is wild.
See Fig. 2, this figure is the right view that Fig. 1 is corresponding.
Three coordinate axess of radiation source coordinate system are X, Y, Z respectively; Halogen light regulates three coordinate axess of coordinate system to be X1, Y1, Z1 respectively.
Under theoretical case, the angle e of X1 and beam axis 100 is needed to equal the angle of X and radiation beam axis 200, namely 90 degree.
Obviously, the e shown in Fig. 1 is not 90 degree.So just cannot ensure X1 axle and X-axis one_to_one corresponding.Because ideally, X1 is vertical with 100, and X is vertical with 200, due to 100 and 200 out of plumb, so X1 and X out of plumb.
Under theoretical case, the angle f of Z1 and beam axis 100 is needed to equal the angle of Z and radiation beam axis 200, namely 0 degree.
Obviously, the f shown in Fig. 1 is also not equal to 0 degree.So just cannot ensure Z1 axle and Z axis one_to_one corresponding.
To sum up, in prior art, because the Halogen light life-span is lower, radiation source coordinate system and Halogen light after the Halogen light therefore more renewed, is likely caused to regulate coordinate system not one_to_one corresponding, need the position readjusting analog light source, make radiation source coordinate system and Halogen light regulate coordinate system one_to_one corresponding.Obviously, such operating process is too numerous and diverse.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of analog light source assembly of medical electronic linear accelerator, and radiation source coordinate system and analog light source regulate coordinate system one_to_one corresponding.
The embodiment of the present invention provides a kind of analog light source assembly of medical electronic linear accelerator, comprising: analog light source, X ' axle regulate driving device, Y ' axle to regulate driving device, Z ' axle to regulate driving device;
Described X ' axle, Y ' axle and Z ' axle in analog light source coordinate system respectively with the X-axis in radiation source coordinate system, Y-axis and Z axis one_to_one corresponding;
Described X ' axle adjustment driving device,
Described Z ' axle regulates driving device and described Y ' axle to regulate between driving device and is connected to each other according to predefined procedure;
Described X ' axle regulates driving device, Y ' axle to regulate driving device, Z ' axle to regulate driving device to be respectively used to regulate analog light source in X ' axle, Y ' axle and the axial position of Z '.
Preferably, described analog light source adopts LED or LCD lamp.
Preferably, lamp cylinder is also comprised;
Described lamp jacket casing is located on described analog light source;
Described lamp cylinder is fixed on X ' axle and regulates driving device, Y ' axle to regulate driving device or Z ' axle to regulate on driving device.
Preferably,
Described X ' axle regulates driving device to comprise X ' axle adjustment screw, X ' axle slide block, X ' axle guide;
Described lamp cylinder is fixed on described X ' axle slide block;
Described X ' axle adjustment screw is fixed on described X ' axle guide through after described X ' axle slide block;
Described X ' axle adjustment screw, for regulating described X ' axle slide block, to make described X ' axle slide block relative motion in described X ' axle guide.
Preferably,
Described Z ' axle regulates driving device to comprise Z ' axle adjustment screw, Z ' axle slide block, Z ' axle guide;
Described X ' axle guide and Z ' axle guide orthogonal;
Described X ' axle guide and described Z ' axle guide integrate;
Described Z ' axle adjustment screw is fixed on described Z ' axle guide through after described Z ' axle slide block;
Described Z ' axle adjustment screw, for regulating described Z ' axle slide block, to make described Z ' axle slide block relative motion in described Z ' axle guide.
Preferably,
Described Y ' axle regulates driving device to comprise Y ' axle adjustment screw, Y ' axle slide block, Y ' axle guide;
Described X ' axle guide and Y ' axle guide orthogonal; Described Z ' axle guide and Y ' axle guide orthogonal;
Described Z ' axle slide block and described Y ' axle slide block integrate;
Described Y ' axle adjustment screw is fixed on described Y ' axle guide through described Y ' axle slide block;
Described Y ' axle adjustment screw, for regulating described Y ' axle slide block, to make described Y ' axle slide block relative motion in described Y ' axle guide.
Preferably, X ' axle self locating device, Y ' axle self locating device and Z ' axle self locating device is also comprised;
Described X ' axle adjustment screw is first through described X ' axle slide block, and described X ' axle self locating device is enclosed within described X ' axle adjustment screw again, and last described X ' axle adjustment screw is screwed on described X ' axle guide; Described X ' axle self locating device is clipped between described X ' axle slide block and described X ' axle guide, promotes described X ' axle slide block for elastic force, to make gapless between X ' axle slide block and described X ' axle adjustment screw;
Described Y ' axle adjustment screw is first through described Y ' axle slide block, and described Y ' axle self locating device is enclosed within described Y ' axle adjustment screw again, and last described Y ' axle adjustment screw is screwed on described Y ' axle guide; Described Y ' axle self locating device is clipped between described Y ' axle slide block and described Y ' axle guide, promotes described Y ' axle slide block for elastic force, to make gapless between Y ' axle slide block and described Y ' axle adjustment screw;
Described Z ' axle adjustment screw is first through described Z ' axle slide block, and described Z ' axle self locating device is enclosed within described Z ' axle adjustment screw again, and last described Z ' axle adjustment screw is screwed on described Z ' axle guide; Described Z ' axle self locating device is clipped between described Z ' axle slide block and described Z ' axle guide, promotes described Z ' axle slide block for elastic force, to make gapless between Z ' axle slide block and described Z ' axle adjustment screw.
Preferably, described X ' axle self locating device, Y ' axle self locating device and Z ' axle self locating device are respectively X ' axle spring, Y ' axle spring and Z ' axle spring.
Preferably, X ' axle hold-down screw, Y ' axle hold-down screw and Z ' axle hold-down screw is also comprised;
Described X ' axle hold-down screw is arranged on described X ' axle slide block, for described X ' axle slide block is fixed on X ' axle guide;
Described Y ' axle hold-down screw is arranged on described Y ' axle slide block, for described Y ' axle slide block is fixed on described Y ' axle guide;
Described Z ' axle hold-down screw is arranged on described Z ' axle slide block, for described Z ' axle slide block is fixed on described Z ' axle guide.
Preferably, described X ' axle slide block, Y ' axle slide block and Z ' axle slide block are L-type.
Preferably,
Described X ' axle guide, Y ' axle guide are all mutually vertical with the light beam before reflection;
Described Z ' axle guide and the light beam before reflecting overlap.
Compared with prior art, the present invention has the following advantages:
The analog light source assembly of the medical electronic linear accelerator that the embodiment of the present invention provides, described X ' axle, Y ' axle and Z ' axle in analog light source coordinate system respectively with the X-axis in radiation source coordinate system, Y-axis and Z axis one_to_one corresponding; Described X ' axle regulates driving device, described Z ' axle to regulate driving device and described Y ' axle to regulate between driving device and is connected to each other according to predefined procedure; Described X ' axle regulates driving device, Y ' axle to regulate driving device, Z ' axle to regulate driving device to be respectively used to regulate analog light source in X ' axle, Y ' axle and the axial position of Z '.The adjustment driving device corresponding due to each axle provided by the invention and radiation from machine source coordinate system one_to_one corresponding, even if after replacing analog light source, also can ensure that two coordinate systems are one to one, and analog light source can be regulated easily by the driving device that each axle is corresponding, the radiation field size of analog light source is overlapped with the radiation field size of radiation field size.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is accelerator simulation light source front view in prior art;
Fig. 2 is the right view that Fig. 1 is corresponding;
Fig. 3 is the front view of medical electronic linear accelerator provided by the invention;
Fig. 4 is the right view corresponding with Fig. 3;
Fig. 5 is analog light source assembly front view provided by the invention;
Fig. 6 is right view corresponding to Fig. 5;
Fig. 7 is analog light source assembly right view provided by the invention;
Fig. 8 is analog light source assembly scope provided by the invention and example of primary collimator scope schematic diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, are described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.
See Fig. 3, this figure is the front view of medical electronic linear accelerator provided by the invention.
In Fig. 3: A-radiation source; B-example of primary collimator; C-radiant flux; D-illuminator; E-reflects front simulation light beam; F1-analog light source; G1-analog light source assembly; H-radiation field size/light is wild.
See Fig. 4, this figure is the right view corresponding with Fig. 3.
The analog light source assembly of the medical electronic linear accelerator that the present embodiment provides, comprising: analog light source, X ' axle regulate driving device, Y ' axle to regulate driving device, Z ' axle to regulate driving device;
Described X ' axle, Y ' axle and Z ' axle in analog light source coordinate system respectively with the X-axis in radiation source coordinate system, Y-axis and Z axis one_to_one corresponding;
As can be seen from Figure 4, the angle of X ' between axle and beam axis 100a in the embodiment of the present invention equals the angle of X and radiation beam axis, namely 90 degree.The angle of Z ' axle and beam axis 100 equals the angle of Z and radiation beam axis 200, namely 0 degree.But in prior art, along with the prolongation of the service time of Halogen light, three axles of radiation field size coordinate system and three axle one_to_one corresponding of analog light source coordinate system can not be accomplished.That is, in the present invention, can accomplish veritably described X ' axle, Y ' axle and Z ' axle in analog light source coordinate system respectively with the X-axis in radiation source coordinate system, Y-axis and Z axis one_to_one corresponding.
Analog light source assembly provided by the invention, is provided with adjustment driving device respectively on three direction of principal axis, can not find out that these regulate the position relationship between driving device from Fig. 3 and Fig. 4 significantly, and follow-up continuation is by reference to the accompanying drawings introduced in detail.
Described X ' axle regulates driving device, described Z ' axle to regulate driving device and described Y ' axle to regulate between driving device and is connected to each other according to predefined procedure;
It should be noted that, as long as X ' axle regulates driving device, described Z ' axle to regulate driving device to regulate between driving device with described Y ' axle and ensures that three is connected successively, whom whom does not specifically limit in the present embodiment be connected with, as long as there is interactive relationship between the driving device of guarantee three axles.
Such as, preferably, can driving device be regulated to regulate driving device to be connected with described Z ' axle by X ' axle, Z ' axle regulates driving device to regulate driving device to be connected with described Y ' axle.
Described X ' axle regulates driving device, Y ' axle to regulate driving device, Z ' axle to regulate driving device to be respectively used to regulate analog light source in X ' axle, Y ' axle and the axial position of Z '.
The analog light source assembly of the medical electronic linear accelerator that the embodiment of the present invention provides, described X ' axle, Y ' axle and Z ' axle in analog light source coordinate system respectively with the X-axis in radiation source coordinate system, Y-axis and Z axis one_to_one corresponding; Described X ' axle regulates driving device, described Z ' axle to regulate driving device and described Y ' axle to regulate between driving device and is connected to each other according to predefined procedure; Described X ' axle regulates driving device, Y ' axle to regulate driving device, Z ' axle to regulate driving device to be respectively used to regulate analog light source in X ' axle, Y ' axle and the axial position of Z '.The adjustment driving device corresponding due to each axle provided by the invention and radiation from machine source coordinate system one_to_one corresponding, even if after replacing analog light source, also can ensure that two coordinate systems are one to one, and analog light source can be regulated easily by the driving device that each axle is corresponding, the radiation field size of analog light source is overlapped with the radiation field size of radiation field size.
Analog light source assembly provided by the invention is introduced in detail below in conjunction with accompanying drawing.
See Fig. 5, this figure is analog light source assembly front view provided by the invention.
See Fig. 6, this figure is right view corresponding to Fig. 5.
Described lamp cylinder F1a is set on described analog light source F1;
Described lamp cylinder can be fixed on X ' axle and regulate driving device, Y ' axle to regulate driving device or Z ' axle to regulate on driving device.Which specifically do not limit lamp cylinder in the present invention to be fixed on axle.
Be fixed on X ' axle adjustment driving device for described lamp cylinder F1a in embodiment below and be introduced;
It should be noted that, analog light source of the prior art adopts Halogen light, and the principle of luminosity due to Halogen light is thermal light source, therefore easily damages, and the life-span is shorter.And the analog light source in the present invention adopts cold light source, such as, the analog light source in the present invention can adopt LCD lamp or LED.
LED is adopted to be introduced for described analog light source F1 in embodiment below;
Fig. 5 and 6 and Fig. 1 of the prior art is contrasted and can be found, unlike the prior art, analog light source there occurs change in the present invention, and the analog light source in the embodiment of the present invention adopts LED, instead of Halogen light of the prior art.In addition, the structure also having analog light source assembly that the present invention changes along with analog light source, namely G1 is different from the structure of G of the prior art.Follow-uply will introduce concrete structure and the operation principle of G1 in conjunction with the accompanying drawings and embodiments in detail.
Because LED is granular, therefore, light source is concentrated, filament length can be accomplished very little, and the filament of Halogen light of the prior art is very long, it is very large that lamp cylinder of the prior art like this needs to do, and that the lamp cylinder F1a in the present invention can do is smaller, and the bore of lamp cylinder F1a near one end of LED can do less.
As shown in Figure 5, described X ' axle regulates driving device to comprise X ' axle adjustment screw xa, X ' axle slide block xb, X ' axle guide xc;
Described lamp cylinder F1a is fixed on described X ' axle slide block xb;
Described X ' axle adjustment screw xa is fixed on described X ' axle guide xc through after described X ' axle slide block xb;
Described X ' axle adjustment screw xa, for regulating described X ' axle slide block xb, to make described X ' axle slide block xb relative motion in described X ' axle guide xc.
In like manner, described Z ' axle regulates driving device to comprise Z ' axle adjustment screw za, Z ' axle slide block zb, Z ' axle guide zc;
Described X ' axle guide xc and Z ' axle guide zc is orthogonal;
Described X ' axle guide xc and described Z ' axle guide zc integrates;
It should be noted that, described X ' axle guide xc and described Z ' axle guide zc can be two independently devices, is then connected to each other together; Also can described X ' axle guide and described Z ' axle guide be produced on same part;
Described Z ' axle adjustment screw za is fixed on described Z ' axle guide zc through after described Z ' axle slide block zb;
Described Z ' axle adjustment screw za, for regulating described Z ' axle slide block zb, to make described Z ' axle slide block zb relative motion in described Z ' axle guide zc.
In like manner, described Y ' axle regulates driving device to comprise Y ' axle adjustment screw ya, Y ' axle slide block yb, Y ' axle guide yc;
Described X ' axle guide xc and Y ' axle guide yc is orthogonal; Described Z ' axle guide zc and Y ' axle guide yc is orthogonal;
Described Z ' axle slide block zb and described Y ' axle slide block yb integrates;
It should be noted that, described Z ' axle slide block zb and described Y ' axle slide block yb can be two independently devices, is then connected to each other together; Also can be produced on same part by Z ' axle slide block zb and described Y ' axle slide block yb;
Described Y ' axle adjustment screw ya is fixed on described Y ' axle guide yc through described Y ' axle slide block yb;
Described Y ' axle adjustment screw ya, for regulating described Y ' axle slide block yb, to make described Y ' axle slide block yb relative motion in described Y ' axle guide yc.
In the present embodiment, guide groove and slide block relative motion, adjustment screw band movable slider moves in guide groove, thus analog light source is moved thereupon in a respective direction.Such as, need to regulate analog light source to move on X ' direction of principal axis, then by regulating X ' axle adjustment screw xa, make X ' axle slide block xb relative motion in described X ' axle guide xc, to make analog light source accurately movement on X ' direction of principal axis.Be understandable that, the movement of analog light source on Y ' axle and Z ' direction of principal axis is similar.
It should be noted that, conveniently regulate the position of analog light source, in the present embodiment, adjustment amount is quantized, adjustment screw adopts helical rotation, and described X ' axle adjustment screw, Y ' axle adjustment screw and Z ' axle adjustment screw are adjustable diameter and screw adjusting, and pitch is N millimeter, often rotate a circle adjustment screw, analog light source correspondence motion N millimeter; The span of N is 0.4-0.8.Such as N can value be 0.5.
Adjustment screw often rotates a circle, and analog light source moves 0.5mm thereupon, thus reaches accurate position control, is easy to just can to meet the requirements of error like this within the scope of ± 2mm.
In the present embodiment, in order to prevent from regulating analog light source process in the position vibration of analog light source, affect degree of regulation, three coordinate axess be all provided with self locating device, be respectively:
X ' axle self locating device, Y ' axle self locating device and Z ' axle self locating device;
Described X ' axle adjustment screw xa is first through described X ' axle slide block xb, and described X ' axle self locating device xd is enclosed within described X ' axle adjustment screw xa again, and last described X ' axle adjustment screw xa is screwed on described X ' axle guide xc; Described X ' axle self locating device xd is clipped between described X ' axle slide block xb and described X ' axle guide xc, promotes described X ' axle slide block xb for elastic force, to make gapless between X ' axle slide block xb and described X ' axle adjustment screw xa;
Described Y ' axle adjustment screw ya is first through described Y ' axle slide block yb, and described Y ' axle self locating device (not shown) is enclosed within described Y ' axle adjustment screw ya again, and last described Y ' axle adjustment screw ya is screwed on described Y ' axle guide yc; Described Y ' axle self locating device is clipped between described Y ' axle slide block yb and described Y ' axle guide yc, promotes described Y ' axle slide block yb for elastic force, to make gapless between Y ' axle slide block yb and described Y ' axle adjustment screw ya;
Described Z ' axle adjustment screw za is first through described Z ' axle slide block zb, and described Z ' axle self locating device (not shown) is enclosed within described Z ' axle adjustment screw za again, and last described Z ' axle adjustment screw za is screwed on described Z ' axle guide zc; Described Z ' axle self locating device is clipped between described Z ' axle slide block zb and described Z ' axle guide zc, promotes described Z ' axle slide block zb for elastic force, to make gapless between Z ' axle slide block zb and described Z ' axle adjustment screw za.It should be noted that, described X ' axle self locating device, Y ' axle self locating device and Z ' axle self locating device are respectively X ' axle spring, Y ' axle spring and Z ' axle spring.
In the process regulating analog light source position, spring is all in impaction state, can ensure that the analog light source after adjusting is without relative motion like this.
As can be seen from Figure 5, X ' axle self locating device is spring xd; The spring of other two coordinate axess is not shown in Figure 5.
It should be noted that, the analog light source assembly that the embodiment of the present invention provides, is characterized in that, also comprises hold-down screw F1b;
The corresponding hold-down screw of each axle is X ' axle hold-down screw, Y ' axle hold-down screw and Z ' axle hold-down screw respectively;
Described X ' axle hold-down screw is arranged on described X ' axle slide block xb, for described X ' axle slide block is fixed on X ' axle guide;
Described Y ' axle hold-down screw is arranged on described Y ' axle slide block yb, for described Y ' axle slide block is fixed on described Y ' axle guide;
Described Z ' axle hold-down screw is arranged on described Z ' axle slide block zb, for described Z ' axle slide block is fixed on described Z ' axle guide.
After verifying that radiation field size can use up wild instruction, by fastening for each hold-down screw, after fixing, labelling slide position between hold-down screw and slide block is needed when adjustment analog light source.
To draw a straight line between guide groove and slide block labelling guide groove and slide block relative position with red symbol pen, as the reference by location of analog light source in upper once adjustment process, reduce and regulate number of times and labor intensity.
Except the hold-down screw of three axles, also have the hold-down screw of a fixed light cylinder, amount to 4.
It should be noted that, in the present embodiment, described X ' axle slide block xb, Y ' axle slide block yb and Z ' axle slide block zb prioritizing selection is L-type.
In order to ensure that analog light source is unitary variant change in adjustment process, in the present embodiment,
Described X ' axle guide xc, Y ' axle guide yc is all mutually vertical with the light beam before reflection;
Described Z ' axle guide zx and the light beam before reflecting overlap.
Different in order to the lamp cylinder of lamp cylinder and the prior art provided in the embodiment of the present invention is described, be described in detail below in conjunction with accompanying drawing.
See Fig. 7, this figure is analog light source assembly right view provided by the invention.
Need analog light source to adopt little diameter m for the penumbra reducing light or increase the length h of lamp cylinder F1a.
LED is as analog light source F1, and the size of analog light source F1 can reach 2mm*1mm, identical with radiation from machine source size, thus select diameter be the LED of 2mm as analog light source F1, penumbra size g can be reduced.
In the present invention, by making lamp cylinder F1a opening and the example of primary collimator of the accelerator angle a that dehisces identical, analog light source F1 is positioned at lamp cylinder F1a subtended angle intersection, and realize light open country and can simulate radiation field size completely, light beam only invests illuminator.
See Fig. 8, this figure is analog light source assembly scope provided by the invention and example of primary collimator scope schematic diagram.
Can clearly be seen that from Fig. 8, lamp cylinder F1a opening and the example of primary collimator of the accelerator angle a that dehisces is identical.
The above embodiment of the present invention provides analog light source modular construction compact, simple, reliable, advantage of lower cost.
The above is only preferred embodiment of the present invention, not does any pro forma restriction to the present invention.Although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention.Any those of ordinary skill in the art, do not departing under technical solution of the present invention ambit, the Method and Technology content of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solution of the present invention, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solution of the present invention protection.
Claims (11)
1. an analog light source assembly for medical electronic linear accelerator, is characterized in that, comprising: analog light source, X ' axle regulate driving device, Y ' axle to regulate driving device, Z ' axle to regulate driving device;
Described X ' axle, Y ' axle and Z ' axle in analog light source coordinate system respectively with the X-axis in radiation source coordinate system, Y-axis and Z axis one_to_one corresponding;
Described X ' axle adjustment driving device,
Described Z ' axle regulates driving device and described Y ' axle to regulate between driving device and is connected to each other according to predefined procedure;
Described X ' axle regulates driving device, Y ' axle to regulate driving device, Z ' axle to regulate driving device to be respectively used to regulate analog light source in X ' axle, Y ' axle and the axial position of Z '.
2. the analog light source assembly of medical electronic linear accelerator according to claim 1, is characterized in that, described analog light source adopts LED or LCD lamp.
3. the analog light source assembly of medical electronic linear accelerator according to claim 2, is characterized in that, also comprises lamp cylinder;
Described lamp jacket casing is located on described analog light source;
Described lamp cylinder is fixed on X ' axle and regulates driving device, Y ' axle to regulate driving device or Z ' axle to regulate on driving device.
4. the analog light source assembly of medical electronic linear accelerator according to claim 3, is characterized in that,
Described X ' axle regulates driving device to comprise X ' axle adjustment screw, X ' axle slide block, X ' axle guide;
Described lamp cylinder is fixed on described X ' axle slide block;
Described X ' axle adjustment screw is fixed on described X ' axle guide through after described X ' axle slide block;
Described X ' axle adjustment screw, for regulating described X ' axle slide block, to make described X ' axle slide block relative motion in described X ' axle guide.
5. the analog light source assembly of medical electronic linear accelerator according to claim 4, is characterized in that,
Described Z ' axle regulates driving device to comprise Z ' axle adjustment screw, Z ' axle slide block, Z ' axle guide;
Described X ' axle guide and Z ' axle guide orthogonal;
Described X ' axle guide and described Z ' axle guide integrate;
Described Z ' axle adjustment screw is fixed on described Z ' axle guide through after described Z ' axle slide block;
Described Z ' axle adjustment screw, for regulating described Z ' axle slide block, to make described Z ' axle slide block relative motion in described Z ' axle guide.
6. the analog light source assembly of medical electronic linear accelerator according to claim 5, is characterized in that,
Described Y ' axle regulates driving device to comprise Y ' axle adjustment screw, Y ' axle slide block, Y ' axle guide;
Described X ' axle guide and Y ' axle guide orthogonal; Described Z ' axle guide and Y ' axle guide orthogonal;
Described Z ' axle slide block and described Y ' axle slide block integrate;
Described Y ' axle adjustment screw is fixed on described Y ' axle guide through described Y ' axle slide block;
Described Y ' axle adjustment screw, for regulating described Y ' axle slide block, to make described Y ' axle slide block relative motion in described Y ' axle guide.
7. the analog light source assembly of medical electronic linear accelerator according to claim 6, is characterized in that, also comprises X ' axle self locating device, Y ' axle self locating device and Z ' axle self locating device;
Described X ' axle adjustment screw is first through described X ' axle slide block, and described X ' axle self locating device is enclosed within described X ' axle adjustment screw again, and last described X ' axle adjustment screw is screwed on described X ' axle guide; Described X ' axle self locating device is clipped between described X ' axle slide block and described X ' axle guide, promotes described X ' axle slide block for elastic force, to make gapless between X ' axle slide block and described X ' axle adjustment screw;
Described Y ' axle adjustment screw is first through described Y ' axle slide block, and described Y ' axle self locating device is enclosed within described Y ' axle adjustment screw again, and last described Y ' axle adjustment screw is screwed on described Y ' axle guide; Described Y ' axle self locating device is clipped between described Y ' axle slide block and described Y ' axle guide, promotes described Y ' axle slide block for elastic force, to make gapless between Y ' axle slide block and described Y ' axle adjustment screw;
Described Z ' axle adjustment screw is first through described Z ' axle slide block, and described Z ' axle self locating device is enclosed within described Z ' axle adjustment screw again, and last described Z ' axle adjustment screw is screwed on described Z ' axle guide; Described Z ' axle self locating device is clipped between described Z ' axle slide block and described Z ' axle guide, promotes described Z ' axle slide block for elastic force, to make gapless between Z ' axle slide block and described Z ' axle adjustment screw.
8. the analog light source assembly of medical electronic linear accelerator according to claim 7, is characterized in that, described X ' axle self locating device, Y ' axle self locating device and Z ' axle self locating device are respectively X ' axle spring, Y ' axle spring and Z ' axle spring.
9. the analog light source assembly of medical electronic linear accelerator according to claim 6, is characterized in that, also comprises X ' axle hold-down screw, Y ' axle hold-down screw and Z ' axle hold-down screw;
Described X ' axle hold-down screw is arranged on described X ' axle slide block, for described X ' axle slide block is fixed on X ' axle guide;
Described Y ' axle hold-down screw is arranged on described Y ' axle slide block, for described Y ' axle slide block is fixed on described Y ' axle guide;
Described Z ' axle hold-down screw is arranged on described Z ' axle slide block, for described Z ' axle slide block is fixed on described Z ' axle guide.
10. the analog light source assembly of the medical electronic linear accelerator according to any one of claim 6-9, is characterized in that, described X ' axle slide block, Y ' axle slide block and Z ' axle slide block are L-type.
The analog light source assembly of 11. medical electronic linear acceleratoies according to any one of claim 6-9, is characterized in that,
Described X ' axle guide, Y ' axle guide are all mutually vertical with the light beam before reflection;
Described Z ' axle guide and the light beam before reflecting overlap.
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| CN201310512776.7A CN103550870B (en) | 2013-10-23 | 2013-10-23 | A kind of analog light source assembly of medical electronic linear accelerator |
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| CN109745634B (en) * | 2018-12-25 | 2020-09-25 | 江苏海明医疗器械有限公司 | Multi-blade collimator testing device for medical accelerator |
| WO2020133057A1 (en) * | 2018-12-27 | 2020-07-02 | 深圳市奥沃医学新技术发展有限公司 | Simulated light source adjustment apparatus, analog light source device, and radiation therapy device |
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|---|---|---|---|---|
| JPH0576613A (en) * | 1991-09-18 | 1993-03-30 | Nec Corp | Radiation therapy device and its radiation field adjustment jig |
| CN103212164A (en) * | 2013-03-26 | 2013-07-24 | 江苏海明医疗器械有限公司 | Method for calibrating consistency of radiation field/simulation optical field of medical electron linear accelerator |
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- 2013-10-23 CN CN201310512776.7A patent/CN103550870B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0576613A (en) * | 1991-09-18 | 1993-03-30 | Nec Corp | Radiation therapy device and its radiation field adjustment jig |
| CN103212164A (en) * | 2013-03-26 | 2013-07-24 | 江苏海明医疗器械有限公司 | Method for calibrating consistency of radiation field/simulation optical field of medical electron linear accelerator |
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Effective date of registration: 20180515 Address after: 110167 room 310, 177-2 innovation road, Hunnan District, Shenyang, Liaoning. Patentee after: Shenyang Neusoft Zhi Rui Radiotherapy Technology Co., Ltd. Address before: Hunnan New Century Road 110179 Shenyang city of Liaoning Province, No. 16 Patentee before: Dongruan Medical Systems Co., Ltd., Shenyang |