CN207675080U - A kind of detection ruler for detecting radiation therapy bed kinematic accuracy - Google Patents
A kind of detection ruler for detecting radiation therapy bed kinematic accuracy Download PDFInfo
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- CN207675080U CN207675080U CN201820073434.8U CN201820073434U CN207675080U CN 207675080 U CN207675080 U CN 207675080U CN 201820073434 U CN201820073434 U CN 201820073434U CN 207675080 U CN207675080 U CN 207675080U
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Abstract
The utility model is related to medical instruments fields, a kind of detection ruler for detecting radiation therapy bed kinematic accuracy, including cross measure main scale, axially measured main scale and longitudinal measurement main scale, the geometric center of the cross measure main scale and the geometric center of axially measured main scale coincide, cross measure main scale, axially measured main scale and it is longitudinal measure main scale respectively on be provided with lateral master calibration, axial master calibration and longitudinal master calibration, two cross measure auxiliary scales are slidably mounted on the cross measure main scale, laterally secondary scale is equipped in two cross measure auxiliary scales, two axially measured auxiliary scales are slidably mounted on the axially measured main scale, axial secondary scale is equipped in two axially measured auxiliary scales, longitudinal auxiliary scale that measures is slidably mounted on longitudinal measurement main scale, longitudinal auxiliary scale that measures is equipped with longitudinal secondary scale.The utility model is by reasonably designing so that easy to operate when measuring radiation therapy bed motion value, precision is high, improves work efficiency and measure precision.
Description
Technical field
The utility model is related to medical instruments fields, more particularly to a kind of detection for detecting radiation therapy bed kinematic accuracy
Ruler.
Background technology
Tumour radiotherapy has more than 100 years history, it is a kind of side using ionising radiation beta ray therapy malignant tumour
Method.Radiotherapy almost can be used for whole body oncotherapy everywhere, at present China there are about 70% or more tumor patient need into
Row radiotherapy.Medical computerized linear accelerator is currently used external radiotherapy machine, in order to ensure radiotherapy treatment planning
It is accurate to execute, it is necessary to special verification and regular Quality Control be carried out to medical computerized linear accelerator by physics teacher.Radiation therapeutical bed
It is the important component of medical computerized linear accelerator, is the support device for treating patient, patient lies low in being connect in therapeutic bed
By radiation exposure, so, therapeutic bed, which obtains kinematic accuracy, can influence the precision of entire radiotherapy.Conventional detection is needed to treat at present
Bed three-dimensional motion precision, i.e., bed around and vertical three directions.
There are mainly two types of tools used by general measure：
One, directly bed surface being put in ruler to measure, being more troublesome using ruler operation, requirement is put sternly to ruler
Lattice, need to be completely parallel with around bed, vertical direction, and three orientation measurements need to be put three times.
Two, the left and right of bed, front-rear direction are measured with graph paper, and vertical direction is surveyed with the light carpenters square for being installed on treatment head
Amount is measured using graph paper and needs detection left and right, front-rear direction movement that graph paper is needed to be close to therapeutic bed, cannot there is any pleat
Wrinkle；Detection movement in vertical direction then needs the accuracy of first detection light carpenters square that could use later, to measure indirectly, may cause
The transmission of error.
It is more taken using above two tool, it is extremely inconvenient.
Utility model content
The technical problems to be solved in the utility model is to overcome the shortcomings of the prior art, provides one kind and is put for detecting
Treat the detection ruler of bed motion precision.
In order to solve the above-mentioned technical problem, the utility model uses following technical scheme：
It is a kind of for detecting the detection ruler of radiation therapy bed kinematic accuracy, including cross measure main scale, axially measured main scale and
Longitudinal to measure main scale, the cross measure main scale, axially measured main scale and longitudinal main scale that measures are mutually connected vertically two-by-two, described
The geometric center of cross measure main scale and the geometric center of axially measured main scale coincide, the cross measure main scale, axial survey
Amount main scale and it is longitudinal measure main scale respectively on be provided with lateral master calibration, axial master calibration and longitudinal master calibration, two cross
It is slidably mounted on the cross measure main scale to auxiliary scale is measured, laterally secondary carve is equipped in two cross measure auxiliary scales
Degree, two axially measured auxiliary scales are slidably mounted on the axially measured main scale, are equipped in two axially measured auxiliary scales
Axially pair scale, longitudinal measurement auxiliary scale are slidably mounted on longitudinal measurement main scale, and longitudinal auxiliary scale that measures is equipped with vertical
To secondary scale.
As follows using measurement main scale its measuring principle in the utility model, radiation therapy bed is in design origin position, opens
Radiation therapy bed periphery arrangement laser lamp, at this time laser lamp a cross is formed on radiation therapy bed, using cross searching as origin, according to
This measuring scale is put level and is set by cross searching, uses electric-control system to move radiation therapy bed at this time, can show radiation therapy bed on a display screen
Mobile coordinate (i.e. the range information of radiation therapy bed movement), ten word locations that laser lamp is radiated at this time on radiation therapy bed also become
Change, uses this measuring scale that can measure ten word locations to the position of origin at this time, three numerical value, i.e. transverse shifting can be measured
Distance, axial movement distance and axial movement distance, compare with the coordinate that display screen is shown, to examine radiotherapy bed motion smart
Degree.
Preferably, two cross measure auxiliary scales are respectively arranged at the both sides of axially measured main scale, the cross measure pair
Ruler includes the lateral adjustments bolt of lateral scale plate, the transverse shifting target being connected with lateral scale plate and fixed function,
The transverse shifting target forms one with lateral scale plate vertical connection and offers transverse notch on transverse shifting target,
The laterally secondary scale is set on the lateral scale plate.
Preferably, two axially measured auxiliary scales are respectively arranged at the both sides of cross measure main scale, the axially measured pair
Ruler includes that axial scale plate, the axial movement target being connected with axial scale plate and fixed function are adjusted axially bolt,
The axial movement target forms one and move axially with axial scale plate vertical connection offers axial notch on target,
The axial secondary scale is set on the axial scale plate.
Preferably, longitudinal longitudinal movement mark for measuring auxiliary scale and including longitudinal scale plate, being connected with longitudinal scale plate
Plate and the longitudinally adjust bolt for playing fixed function, the longitudinal movement target and longitudinal scale plate vertical connection formed it is integrated and
Longitudinal notch is offered on longitudinal movement target, longitudinal secondary scale is set on longitudinal scale plate.
Preferably, the transverse direction master calibration, axial master calibration, longitudinal master calibration are not less than 20cm.
Preferably, the cross measure main scale, axially measured main scale and longitudinal main scale that measures are all made of transparent material system
It makes.
Preferably, the cross measure auxiliary scale, axially measured auxiliary scale and longitudinal auxiliary scale that measures are all made of transparent material system
It makes.
Advantageous effect is：The utility model is by reasonably designing so that when measuring radiation therapy bed motion value, operation letter
Single, precision is high, improves work efficiency and measure precision.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar
Element or part are generally identified by similar reference numeral.In attached drawing, each element or part might not be according to actual ratios
It draws.
Fig. 1 is a kind of vertical view for detecting the detection ruler of radiation therapy bed kinematic accuracy of the utility model；
Fig. 2 is a kind of front view for detecting the detection ruler of radiation therapy bed kinematic accuracy of the utility model；
Fig. 3 is the partial structurtes enlarged diagram A of Fig. 1；
Fig. 4 is the partial structurtes enlarged diagram B of Fig. 1；
In figure, 1 is cross measure main scale, and 2 be axially measured main scale, and 3 measure main scale to be longitudinal, and 4 be lateral master calibration, 5
It is longitudinal master calibration for axial master calibration, 6,7 be cross measure auxiliary scale, and 7-1 is lateral scale plate, and 7-2 is transverse shifting target,
7-3 is lateral adjustments bolt, and 7-4 is transverse notch, and 8 be laterally secondary scale, and 9 be axially measured auxiliary scale, and 9-1 is axial scale
Plate, 9-2 are axial movement target, and 9-3 is to be adjusted axially bolt, and 9-4 is axial notch, and 10 be axial secondary scale, and 11 be longitudinal
Auxiliary scale is measured, 11-1 is longitudinal scale plate, and 11-2 is longitudinal movement target, and 11-3 is longitudinally adjust bolt, and 11-4 is cannelure
Mouthful, 12 be longitudinal secondary scale.
Specific implementation mode
The utility model is described further presently in connection with Figure of description.
A kind of detection ruler for detecting radiation therapy bed kinematic accuracy as shown in Figure 1 to 4, including cross measure main scale 1,
Axially measured main scale 2 and longitudinal measurement main scale 3, the cross measure main scale 1, axially measured main scale 2 and longitudinal measurement main scale 3
It being mutually connected vertically two-by-two, the geometric center of the cross measure main scale 1 and the geometric center of axially measured main scale 2 coincide,
The cross measure main scale 1, axially measured main scale 2 and it is longitudinal measure main scale 3 respectively on be provided with lateral master calibration 4, axial
Master calibration 5 and longitudinal master calibration 6, two cross measure auxiliary scales 7 are slidably mounted on the cross measure main scale 1, and two
Laterally secondary scale 8 is equipped in a cross measure auxiliary scale 7, two axially measured auxiliary scales 9 are slidably mounted on the axial survey
It measures on main scale 2, axial secondary scale 10 is equipped in two axially measured auxiliary scales 9, longitudinal auxiliary scale 11 that measures is slidably mounted on
On longitudinal measurement main scale 3, longitudinal auxiliary scale 11 that measures is equipped with longitudinal pair scale 12.
Preferably, as shown in figure 3, two cross measure auxiliary scales 7 are respectively arranged at the both sides of axially measured main scale 2, institute
State cross measure auxiliary scale 7 include lateral scale plate 7-1, with the transverse direction scale plate 7-1 transverse shifting target 7-2 being connected and consolidate
Tailor-made lateral adjustments bolt 7-3, the transverse shifting target 7-2 and lateral scale plate 7-1 vertical connections formed it is integrated and
Transverse notch 7-4 is offered on transverse shifting target 7-2, the effect of transverse notch is transverse shifting target easy to remove,
The laterally secondary scale 8 is set on the lateral scale plate 7-1.
Preferably, as shown in figure 4, two axially measured auxiliary scales 9 are respectively arranged at the both sides of cross measure main scale 1, institute
State axially measured auxiliary scale 9 include axial scale plate 9-1, with the axial direction scale plate 9-1 axial movement target 9-2 being connected and consolidate
Be set for be adjusted axially bolt 9-3, the axial movement target 9-2 and axial direction scale plate 9-1 vertical connections formed it is integrated and
It moves axially and offers axial notch 9-4 on target 9-2, the axial secondary scale 10 is set to the axial scale plate 9-1
On.
Preferably, as shown in Fig. 2, longitudinal auxiliary scale 11 that measures includes longitudinal scale plate 11-1 and longitudinal scale plate
The longitudinally adjust bolt 11-3 of longitudinal movement target 11-2 and fixed function that 11-1 is connected, the longitudinal movement target
11-2 forms one with longitudinal scale plate 11-1 vertical connections and offers longitudinal notch 11-4 on longitudinal movement target 11-2,
Longitudinal secondary scale 12 is set on longitudinal scale plate 11-1.
In the present embodiment, specific measurement method is as follows：
1, radiation therapy bed is in design origin position, opens the laser lamp of radiation therapy bed periphery arrangement, laser lamp is in radiotherapy at this time
A cross is formed on bed, using cross searching as origin, o points alignment cross searching is put this measurement by o as shown in Figure 1 point
Ruler；
2, mobile radiation therapy bed, cross searching is moved relative to bed, is measured using this measuring scale, by taking lateral distance as an example,
Mobile transverse shifting target is directed at cross point, is as shown in figure 3, the left side horizontal line of moving coordinate plate is in same with cross point
Horizontal line may be used lateral fixing bolt and fix moving coordinate plate so that it can not which movement, can obtain two at this time after alignment
A reading, respectively a and b, wherein a are the readings that lateral master calibration corresponds to laterally 0 scale of secondary scale, b be laterally secondary scale with
The scale that lateral master calibration aligns, the numerical value of the distance is a+b*c at this time, and wherein c is falling for the indexing of lateral scale
Number；Longitudinal and axial distance survey measurements method is as above, can obtain the numerical value in three directions at this time；
3, the numerical value shown by display screen in the electric-control system of the numerical value and radiation therapy bed that are obtained step 2 carries out pair
Than obtaining the kinematic accuracy of the radiation therapy bed.
As preferred embodiment, it is contemplated that the distance that radiation therapy bed disposably moves, the transverse direction master calibration, axial master
Scale, longitudinal master calibration are not less than 20cm.
As preferred embodiment, for the ease of reading, the cross measure main scale 1, axially measured main scale 2 and longitudinal direction
Measurement main scale 3 is all made of transparent material and is fabricated.
As preferred embodiment, for the ease of reading, the cross measure auxiliary scale 7, axially measured auxiliary scale 9 and longitudinal direction
Measurement auxiliary scale 11 is all made of transparent material and is fabricated.
It can be obtained by above-described embodiment, the utility model is by reasonably designing so that measure radiotherapy bed motion number
Easy to operate when value, precision is high, improves work efficiency and measure precision.
The above various embodiments is only to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to aforementioned
The utility model is described in detail in each embodiment, it will be understood by those of ordinary skill in the art that：It still can be with
Technical scheme described in the above embodiments is modified, is either equal to which part or all technical features
It replaces；And these modifications or replacements, it does not separate the essence of the corresponding technical solution various embodiments of the utility model technical side
The range of case should all cover in the claim of the utility model and the range of specification.
Claims (7)
1. a kind of detection ruler for detecting radiation therapy bed kinematic accuracy, it is characterised in that：Including cross measure main scale, axially measured
Main scale and longitudinal measurement main scale, the cross measure main scale, axially measured main scale and longitudinal main scale that measures are mutually perpendicular to two-by-two
Connection, the geometric center of the cross measure main scale and the geometric center of axially measured main scale coincide, the cross measure master
Ruler, axially measured main scale and it is longitudinal measure main scale respectively on be provided with lateral master calibration, axial master calibration and longitudinal main quarter
Degree, two cross measure auxiliary scales are slidably mounted on the cross measure main scale, are equipped in two cross measure auxiliary scales
Laterally pair scale, two axially measured auxiliary scales are slidably mounted on the axially measured main scale, two axially measured auxiliary scales
On be equipped with axial secondary scale, it is longitudinal measure auxiliary scale be slidably mounted on it is described it is longitudinal measure on main scale, it is longitudinal to measure auxiliary scale
It is equipped with longitudinal secondary scale.
2. a kind of detection ruler for detecting radiation therapy bed kinematic accuracy according to claim 1, it is characterised in that：Two cross
The both sides of axially measured main scale are respectively arranged to measurement auxiliary scale, the cross measure auxiliary scale is including lateral scale plate and laterally
The connected transverse shifting target of scale plate and the lateral adjustments bolt for playing fixed function, the transverse shifting target and laterally quarter
Degree plate vertical connection forms one and offers transverse notch on transverse shifting target, and the laterally secondary scale is set to described
On lateral scale plate.
3. a kind of detection ruler for detecting radiation therapy bed kinematic accuracy according to claim 1, it is characterised in that：Two axis
The both sides of cross measure main scale are respectively arranged to measurement auxiliary scale, the axially measured auxiliary scale is including axial scale plate and axially
The connected axial movement target of scale plate and the bolt that is adjusted axially for playing fixed function, the axial movement target are carved with axial
Degree plate vertical connection, which forms one and moves axially, offers axial notch on target, the axial secondary scale is set to described
On axial scale plate.
4. a kind of detection ruler for detecting radiation therapy bed kinematic accuracy according to claim 1, it is characterised in that：It is described vertical
Include that longitudinal scale plate, the longitudinal movement target being connected with longitudinal scale plate and the longitudinal direction for playing fixed function are adjusted to auxiliary scale is measured
Bolt is saved, the longitudinal movement target forms one with longitudinal scale plate vertical connection and offered on longitudinal movement target vertical
To notch, longitudinal secondary scale is set on longitudinal scale plate.
5. a kind of detection ruler for detecting radiation therapy bed kinematic accuracy according to claim 1, it is characterised in that：The cross
It is not less than 20cm to master calibration, axial master calibration, longitudinal master calibration.
6. a kind of detection ruler for detecting radiation therapy bed kinematic accuracy according to claim 1, it is characterised in that：The cross
It is all made of transparent material to main scale, axially measured main scale and longitudinal measurement main scale is measured and is fabricated.
7. a kind of detection ruler for detecting radiation therapy bed kinematic accuracy according to claim 6, it is characterised in that：The cross
It is all made of transparent material to auxiliary scale, axially measured auxiliary scale and longitudinal measurement auxiliary scale is measured and is fabricated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201820073434.8U CN207675080U (en) | 2018-01-17 | 2018-01-17 | A kind of detection ruler for detecting radiation therapy bed kinematic accuracy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820073434.8U CN207675080U (en) | 2018-01-17 | 2018-01-17 | A kind of detection ruler for detecting radiation therapy bed kinematic accuracy |
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| CN207675080U true CN207675080U (en) | 2018-07-31 |
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| CN201820073434.8U Expired - Fee Related CN207675080U (en) | 2018-01-17 | 2018-01-17 | A kind of detection ruler for detecting radiation therapy bed kinematic accuracy |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109883296A (en) * | 2019-01-29 | 2019-06-14 | 中建六局建设发展有限公司 | It is a kind of for detecting the measuring tool and measurement method of stake diameter and pile position deviation |
| CN110146021A (en) * | 2019-06-20 | 2019-08-20 | 中国科学院地球化学研究所 | A kind of displacement platform resolution ratio and accuracy detecting device and its detection method |
| CN113530740A (en) * | 2021-06-02 | 2021-10-22 | 中国长江电力股份有限公司 | Device and method for accurately measuring chord distance of stator positioning rib of hydroelectric generating set |
| CN114053601A (en) * | 2021-11-12 | 2022-02-18 | 江苏海明医疗器械有限公司 | Outlet length self-correcting device for back-loading radiotherapy machine |
| CN114053600A (en) * | 2021-11-12 | 2022-02-18 | 江苏海明医疗器械有限公司 | Outlet length measuring system for back-loading radiotherapy machine |
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2018
- 2018-01-17 CN CN201820073434.8U patent/CN207675080U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109883296A (en) * | 2019-01-29 | 2019-06-14 | 中建六局建设发展有限公司 | It is a kind of for detecting the measuring tool and measurement method of stake diameter and pile position deviation |
| CN109883296B (en) * | 2019-01-29 | 2024-01-02 | 中建六局建设发展有限公司 | Measuring tool and measuring method for detecting deviation of pile diameter and pile position |
| CN110146021A (en) * | 2019-06-20 | 2019-08-20 | 中国科学院地球化学研究所 | A kind of displacement platform resolution ratio and accuracy detecting device and its detection method |
| CN113530740A (en) * | 2021-06-02 | 2021-10-22 | 中国长江电力股份有限公司 | Device and method for accurately measuring chord distance of stator positioning rib of hydroelectric generating set |
| CN114053601A (en) * | 2021-11-12 | 2022-02-18 | 江苏海明医疗器械有限公司 | Outlet length self-correcting device for back-loading radiotherapy machine |
| CN114053600A (en) * | 2021-11-12 | 2022-02-18 | 江苏海明医疗器械有限公司 | Outlet length measuring system for back-loading radiotherapy machine |
| CN114053601B (en) * | 2021-11-12 | 2023-07-28 | 江苏海明医疗器械有限公司 | Self-correcting device for length of outlet source of rear-loading radiation therapy apparatus |
| CN114053600B (en) * | 2021-11-12 | 2023-07-28 | 江苏海明医疗器械有限公司 | Source-outlet length measuring system for rear-loading radiation therapy apparatus |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180731 Termination date: 20190117 |