CN207886537U - Detection radiation performance dosemeter calibration Water ball - Google Patents
Detection radiation performance dosemeter calibration Water ball Download PDFInfo
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- CN207886537U CN207886537U CN201720635503.5U CN201720635503U CN207886537U CN 207886537 U CN207886537 U CN 207886537U CN 201720635503 U CN201720635503 U CN 201720635503U CN 207886537 U CN207886537 U CN 207886537U
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Abstract
The utility model belongs to the quasi- technical field of ionizing radiation dose school, is related to Water ball, more particularly to detection radiation performance dosemeter calibration Water ball.Performance dosemeter calibration Water ball, including water tank, dosemeter fixing device, irradiation field alignment layers and bubble remover are radiated in the detection;The dosemeter fixing device is arranged at the middle part of the water tank;The irradiation field alignment layers are arranged on the side plate of the water tank parallel with dosemeter fixing device;The removal of bubbles device is arranged to overlap in the side of the water tank and not with the irradiation field alignment layers and the dosemeter fixing device.The present apparatus can quickly generate irradiation field, and quick comparison measurement results to being calibrated dosemeter to calibrate, additionally it is possible to exclude bubble, it is ensured that measured value is accurately reliable.Therefore, time saving and energy saving when being calibrated to dosemeter using the Water ball, improve the working efficiency of staff.
Description
Technical field
The utility model belongs to the quasi- technical field of ionizing radiation dose school, is related to Water ball, more particularly to detection radiation
Performance dosemeter calibration Water ball.
Background technology
Radiotherapy equipment is the Medical Devices for carrying out radiotherapy to patient, including medical accelerator, cobalt therapy
Machine, afterloading unit etc. send out a certain amount of radiation by using these radiotherapy apparatus, are irradiated to lesion, make lesion atrophy, subtract
It is small in addition disappear, to achieve the purpose that treatment.
In order to ensure the radiation safety of patient over the course for the treatment of, and reach excellent therapeutic effect, needs to set radiotherapy
Standby output dose accurately measure and monitor.Radiotherapy dosimeter is the main tool of radiotherapy monitoring, the number of monitoring
According to be to patient carry out radiotherapy important evidence.Therefore, the accuracy of Radiotherapy dosimeter has in radiotherapy to pass
Important role.To ensure the accuracy of testing result, requirement according to national standards periodically should carry out school to Radiotherapy dosimeter
It is accurate.
Water ball is the auxiliary device calibrated for Radiotherapy dosimeter, in a calibration process, needs to adjust radiation source, water
The relative position of die body and dosemeter, to form satisfactory irradiation field, current adjusting method needs frequently, repeatedly
Adjustment, it is time-consuming and laborious.In addition, Water ball necessarily leads to bubble in filling process, difference is also that Air Bubble Size degree is different,
This just influences uniformity, the stability of Water ball, to influence the accuracy of detection data.
Therefore, it is required to quick adjusting position in the calibration of the dosemeter of detection radiation performance and generates irradiation field, and
It can exclude the Water ball of bubble.
Utility model content
In view of this, the utility model, which is intended to provide, quickly to generate irradiation field by adjusting position, and gas can be excluded
Performance dosemeter calibration Water ball is radiated in the detection of bubble.
In order to achieve the above objectives, technical solution used by the utility model is:
Detection radiation performance dosemeter calibration Water ball, including water tank, dosemeter fixing device, irradiation field alignment layers and
Removal of bubbles device;The dosemeter fixing device is arranged at the middle part of the water tank;Irradiation field alignment layers setting with
On the side plate of the parallel water tank of dosemeter fixing device;The removal of bubbles device is arranged in the side of the water tank and not
It overlaps with the irradiation field alignment layers and the dosemeter fixing device.
Further, the dosemeter fixing device includes standard dose instrument fixed section and is calibrated dosemeter fixed section;
The standard dose instrument fixed section is symmetrical arranged with the dosemeter fixed section minute surface that is calibrated.
Further, the dosemeter fixing device further includes the first connecting tube;The standard dose instrument fixed section and institute
State be calibrated dosemeter fixed section by the first connecting tube be connected;The standard dose instrument fixed section is calibrated dosemeter with described
The internal diameter of fixed section is more than the internal diameter of first connecting tube.
Further, the standard dose instrument fixed section and the dosemeter fixed section that is calibrated are pipe;Described
One connecting tube both ends are Taper Pipe, and centre is pipe;The standard dose instrument fixed section pass through the side plate of the one side of water tank with it is outer
Boundary penetrates through, and the side plate for being calibrated dosemeter fixed section across the water tank other side is penetrated through with extraneous.
Further, it is provided with the groove for capableing of centering light-beam position in the middle part of the irradiation field alignment layers.
Further, the irradiation field alignment layers are the groove being opened in side plate of water tank.
Further, the removal of bubbles device includes interlayer and exhaust gear, and the interlayer is arranged in the water tank
On side plate;The exhaust gear with water tank internal run-through is provided on the interlayer.
Further, the interlayer is made of the first side plate and the second side plate, and first side plate is the one side of water tank
Side plate, second side plate is arranged in parallel with the first side plate, and the side plate of second side plate and water tank forms confined space.
Further, the exhaust gear includes exhaust pipe and silk plug, and described exhaust pipe one end is fixed on the first side plate
And with water tank internal run-through, the other end sealed by silk plug;The silk plug is fixed on the second side plate;The exhaust pipe with it is described
The contact surface of silk plug is the conical surface;At least three is arranged in the exhaust gear.
Further, it is additionally provided with water inlet on the side wall of the water tank;The water tank is made of organic glass.
By adopting the above-described technical solution, the technological progress that the utility model obtains is:
Water tank inner hollow, when use, fill water.Dosemeter fixing device is arranged in the middle part of water tank, is used for fixed dosage
Instrument.Irradiation field alignment layers are arranged in the side plate of water tank parallel with dosemeter fixing device, for the center to positive radiotherapy beam
Point, and convenient for adjusting the relative position of radiation light source and Water ball, generate satisfactory irradiation field.Removal of bubbles device is set
It sets in water tank side, for excluding bubble, keeps the stability and uniformity of Water ball.
Standard dose instrument fixed section is symmetrical arranged with dosemeter fixed section minute surface is calibrated, and diameter is more than the first connecting tube,
And connect with the first connecting tube by Taper Pipe, shape respectively with standard dose instrument, be calibrated dosemeter and match, for fixed mark
Quasi- dosemeter and it is calibrated dosemeter.
Groove is set in the middle part of irradiation field alignment layers, for positive radiotherapy beam.
After filling water, water tank interlayer is placed upwards, the bubble inside water tank enters interlayer by exhaust gear.Estimate water
In case after bubble-free, water tank is inverted, due to being isolated inside interlayer and water tank and the contact surface of exhaust pipe and interlayer is in lower part,
Therefore bubble will not return in water tank.
It is using advantageous effect caused by above-mentioned technical proposal:The Water ball simulated human tissue, organ are to radiation
Harness(Such as:X-ray)Absorption, scattering situation, standard dose instrument and be calibrated dosemeter while being placed in Water ball, put
Beam injects Water ball from irradiation field alignment layers, standard dose instrument and is calibrated dosemeter while measuring radiation beams by water
Attenuation results after die body absorption, scattering, the measurement result by comparing standard dose instrument are calibrated to being calibrated dosemeter.
It, only need to be by comparing irradiation field alignment layers tune after dosemeter is fixed using Water ball described in the utility model
The relative position of whole radiation light source and Water ball, so that it may which satisfactory irradiation field is generated with quick adjusting;Standard dose instrument and
It is calibrated dosemeter while measuring, can be calibrated by quick comparison result to being calibrated dosemeter;The Water ball may be used also
To exclude air entrapment, ensure uniformity, the stability of Water ball, it is ensured that measured value is accurately reliable;Therefore, using the water mould
Time saving and energy saving when body calibrates dosemeter, convenient and efficient improves the working efficiency of staff.
Description of the drawings
The attached drawing for constituting the part of the utility model is used to provide a further understanding of the present invention, and is not constituted
Improper restriction to the utility model.In the accompanying drawings:
Fig. 1 is the schematic diagram of the Water ball described in the utility model embodiment;
Fig. 2 is the structural schematic diagram of the dosemeter fixing device described in the utility model embodiment;
Fig. 3 is the structural schematic diagram of the removal of bubbles device described in the utility model embodiment;
Fig. 4 is the assembling schematic diagram of the removal of bubbles device described in the utility model embodiment;
Reference sign:
1- dosemeter fixing devices, 2- irradiation field alignment layers, 3- removal of bubbles devices, 11- standard dose instrument fixed sections,
12- is calibrated dosemeter fixed section, the first connecting tubes of 13-, 31- interlayers, 32- exhaust gears, the first side plates of 311-, 312- second
Side plate, 313- exhaust pipes, 314- silk plugs, 40- water inlets.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, it below with reference to attached drawing and ties
Embodiment is closed, the present invention will be further described in detail.It specific illustrative examples described herein and its says
It is bright to be only used for explaining the utility model, it is not used to limit the utility model.
As shown in Figure 1, detection radiation performance dosemeter calibration Water ball, including water tank, dosemeter fixing device 1, photograph
Launched field alignment layers 2 and bubble remover 3.The dosemeter fixing device 1 is arranged at the middle part of the water tank.The irradiation field
Alignment layers 2 are arranged on the side plate of the water tank parallel with dosemeter fixing device.The removal of bubbles device 3 is arranged in institute
It states the side of water tank and does not overlap with the irradiation field alignment layers 2 and the dosemeter fixing device 1.
Water tank inner hollow, when use, fill water.Dosemeter fixing device 1 be arranged in the middle part of water tank and and water segregation, use
In fixed dosage instrument.Irradiation field alignment layers 2 are arranged in the side plate of water tank parallel with dosemeter fixing device 1, for just putting
The central point of irradiating light beam, and convenient for adjusting the relative position of radiation light source and Water ball, generate satisfactory irradiation field.Gas
Bubble remover 3 is arranged keeps the stability and uniformity of Water ball in water tank side for excluding bubble.Removal of bubbles fills
It sets 3 not overlap with irradiation field alignment layers 2 and dosemeter fixing device 1, avoids functionally interfering with each other.
Tetrahedron, cylinder or sphere etc. may be used in water tank, is set according to the shape of radiation light source and dosemeter.
The shape of dosemeter fixing device 1 matches with dosemeter.
In use, radiotherapy beam injects Water ball from irradiation field alignment layers 2, dosemeter is for measuring radiotherapy beam through water mould
Pad value after body absorption, reflection, therefore irradiation field alignment layers 2 are arranged in parallel with dosemeter fixing device 1.
Removal of bubbles device 3 can select the cylinder or tetrahedron of small area, inner hollow, can also select air bag,
The interlayer of large area can also be selected.The present embodiment preferably uses interlayer.
As shown in Fig. 2, the dosemeter fixing device 1 includes standard dose instrument fixed section 11 and is calibrated dosemeter and fixes
Section 12.The standard dose instrument fixed section 11 is symmetrical arranged with 12 minute surface of dosemeter fixed section that is calibrated.
Standard dose instrument fixed section 11 is used for fixed standard dosemeter, is calibrated dosemeter fixed section 12 and is used for fixing by school
Quasi- dosemeter.Since standard dose instrument is consistent with dosemeter shape, size is calibrated, and standard dose instrument and it is calibrated dosage
Instrument is identical at a distance from measured value, with irradiation field alignment layers 2 simultaneously, therefore standard dose instrument fixed section 11 and is calibrated dosemeter
12 minute surface of fixed section is symmetrical arranged.
As shown in Fig. 2, the dosemeter fixing device further includes the first connecting tube 13;The standard dose instrument fixed section 11
It is connected by the first connecting tube 13 with the dosemeter fixed section 12 that is calibrated;The standard dose instrument fixed section 11 and the quilt
The internal diameter for calibrating dosemeter fixed section 13 is more than the internal diameter of first connecting tube 13.
As shown in Fig. 2, the standard dose instrument fixed section 11 and the dosemeter fixed section 12 that is calibrated are pipe;Institute
It is Taper Pipe to state 13 both ends of the first connecting tube, and centre is pipe;The standard dose instrument fixed section 11 passes through the one side of water tank
Side plate is penetrated through with extraneous, and the side plate for being calibrated dosemeter fixed section 12 across the water tank other side is penetrated through with extraneous.
Standard dose instrument fixed section 11 and it is calibrated shape, size and the standard dose instrument of dosemeter fixed section 12, by school
Quasi- dosemeter matches, and common dose instrument is cylindric, therefore standard dose instrument fixed section 11 and is calibrated dosemeter fixed section
12 preferably use pipe.
Common dose instrument is divided into connecting rod and probe two parts, and the diameter of connecting rod is more than probe diameter, and connecting rod with
The interconnecting piece of probe is the conical surface.When calibration, standard dose instrument and it is calibrated that dosemeter is opposite to be put into Water ball, two probes are light
It gently contacts or there are gaps.Therefore, standard dose instrument fixed section 11 and be calibrated the outside of dosemeter fixed section 12 with it is outer
Boundary penetrates through, convenient for being placed or taken out dosemeter;Inside is connected by the first connecting tube 13, and internal diameter is more than the first connecting tube 13
Internal diameter, 13 both ends of the first connecting tube are Taper Pipe, the shape for matching dosemeter and the locational requirement for meeting dosemeter.
As shown in Figure 1,2 middle part of the irradiation field alignment layers is provided with the groove for capableing of centering light-beam position.
As long as groove has orthogonal cross groove, and can be with marked region.It is preferred that being carved using sphere of movements for the elephants shape
Line radiates the central point of the 2 intermediate cross groove of center alignment irradiation field alignment layers of light source;It rises four subregions that groove is formed
To positioning action, convenient for the position of fine tuning radiation light source.
Due to radiating source alignment irradiation field alignment layers 2, as long as centering central point and position up and down can be finely tuned
It sets, therefore does not need too many scale and subregion.
As shown in Figure 1, the irradiation field alignment layers 2 are the groove being opened in side plate of water tank.
Irradiation field alignment layers 2 play positioning action, and shape can select rectangle, circle, ellipse or polygon, radiation
Light source generator often uses rectangle, therefore irradiation field alignment layers 2 preferably use rectangle.It is fixed for ease of radiation light source generator
Position, irradiation field alignment layers 2 can select groove, protrusion or groove, cost-effective for ease of processing, it is preferred to use groove, ruler
It is very little to be matched with radiation light source generator.
As shown in figure 3, the removal of bubbles device 3 includes interlayer 31 and exhaust gear 32, the interlayer 31 is arranged in institute
It states on the side plate of water tank;It is provided on the interlayer 31 and the exhaust gear of water tank internal run-through 32.
Radiation beams pass through Water ball, are only absorbed by the water, reflect, and simulated human tissue, organ are to the absorption of radiation beams, anti-
The effect of penetrating.As contained bubble in water, uptake, volume reflection can all change, and influence data accuracy.And bubble is in water tank
Middle floating, position is indefinite, more influences measurement data, to influence uniformity, the stability of Water ball.
Therefore setting removal of bubbles device 3.In use, the bubble in water tank enters interlayer 31 by exhaust gear 32.
As shown in Figure 3, Figure 4, the interlayer 31 is made of the first side plate 311 and the second side plate 312, first side plate
311 be the side plate of the one side of water tank, and second side plate 312 is arranged in parallel with the first side plate 311, second side plate 312
Confined space is formed with the side plate of water tank.
The confined space of first side plate 311 and water tank other side plates formation water tank, in use, filling water in water tank;Second
Side plate 312 and the side plate of water tank form other confined space, for receiving the gas in bubble;Two confined spaces mutually every
From.Second side plate may be used as pedestal, and also for easy to process, the second side plate 312 is arranged in parallel with the first side plate 311.
As shown in Figure 3, Figure 4, the exhaust gear 32 includes exhaust pipe 313 and silk plug 314,313 one end of the exhaust pipe
Be fixed on the first side plate 311 and with water tank internal run-through, the other end sealed by silk plug 314;The silk plug 314 is fixed on
On two side plates 312;The contact surface of the exhaust pipe 313 and the silk plug 314 is the conical surface;The setting of the exhaust gear 32 at least 3
It is a.
Bubble in water tank enters exhaust pipe 313, and exhaust pipe 313 and the contact surface of silk plug 314 are the conical surface, and bubble passes through cone
Face enters interlayer 31, and water is sealed up by silk plug 314, therefore exhaust pipe 313 is matched with silk plug 314, make in water tank bubble into
Enter interlayer 31 and prevents the water in water tank from entering interlayer 31.
As shown in figure 3, at least three is arranged in the exhaust gear 32.
Interlayer 31 and exhaust gear 32 can select a variety of positions, size, easy to process.Since the present embodiment is preferred
Using tetrahedroid water tank, therefore interlayer 31 is preferably provided on the opposite side of irradiation field alignment layers 2.For ease of processing and making
With exhaust gear 32 is also used for pedestal, therefore at least three is arranged in exhaust gear 32.
As shown in Figure 1, being additionally provided with water inlet 40 on the side wall of the water tank.The water tank is made of organic glass.
Since exhaust gear 32 is mainly used for being vented, internal diameter is smaller, therefore water inlet 40 is arranged again, is convenient for water filling;Simultaneously
Water inlet 40 also serves as discharge outlet.Water inlet 40 can select a variety of positions and dimensions, and the present embodiment is preferably using setting in agent
The side of instrument fixing device 1 is measured, it is easy to operation, it is also more beautiful.
Organic glass is small to the absorption of radiation beams, reflex and at low cost, easy to process, therefore water tank uses
Organic glass makes.
Water ball application method described in the present embodiment is as follows:
After filling water into water tank by water inlet 40, water tank interlayer 31 is placed upwards, the bubble inside water tank passes through
Exhaust gear 32 enters interlayer 31.In range estimation water tank after bubble-free, water tank is inverted, due to being isolated inside interlayer 31 and water tank
And the contact surface of exhaust pipe 313 and silk plug 314 is in lower part, therefore bubble will not return in water tank.
Then by standard dose instrument and it is calibrated that dosemeter is staggered relatively standard dose instrument fixed section 11 and to be calibrated agent
It measures in instrument fixed section 12;Radiation light source generator is directed at irradiation field alignment layers 2, adjusts radiation light source central point to middle ten
The central point of word groove;Radiotherapy beam injects Water ball from irradiation field alignment layers 2;Standard dose instrument and it is calibrated dosemeter simultaneously
Radiation beams are measured by Water ball absorption, postradiation attenuation results, by comparing the measurement result of standard dose instrument to quilt
Calibration dosemeter is calibrated.
Embodiment 1:
Detection radiation performance dosemeter calibration Water ball, including water tank, dosemeter fixing device 1, irradiation field alignment layers 2
With bubble remover 3.The dosemeter fixing device 1 is arranged at the middle part of the water tank.The irradiation field alignment layers 2 are arranged
On the side plate of the water tank parallel with dosemeter fixing device.The removal of bubbles device 3 is arranged in the side of the water tank
It face and does not overlap with the irradiation field alignment layers 2 and the dosemeter fixing device 1.
The dosemeter fixing device 1 includes standard dose instrument fixed section 11 and is calibrated dosemeter fixed section 12.It is described
Standard dose instrument fixed section 11 is symmetrical arranged with 12 minute surface of dosemeter fixed section that is calibrated.
The dosemeter fixing device further includes the first connecting tube 13;The standard dose instrument fixed section 11 with it is described by school
Quasi- dosemeter fixed section 12 is connected by the first connecting tube 13;The standard dose instrument fixed section 11 is calibrated dosemeter with described
The internal diameter of fixed section 13 is more than the internal diameter of first connecting tube 13.
The standard dose instrument fixed section 11 and the dosemeter fixed section 12 that is calibrated are pipe;First connection
13 both ends of pipe are Taper Pipe, and centre is pipe;The standard dose instrument fixed section 11 passes through side plate and the external world of the one side of water tank
Perforation, the side plate for being calibrated dosemeter fixed section 12 across the water tank other side are penetrated through with extraneous.
2 middle part of the irradiation field alignment layers is provided with the groove for capableing of centering light-beam position.
The irradiation field alignment layers 2 are the groove being opened in side plate of water tank.
The removal of bubbles device 3 includes interlayer 31 and exhaust gear 32, and the interlayer 31 is arranged in the side of the water tank
On plate;It is provided on the interlayer 31 and the exhaust gear of water tank internal run-through 32.
The interlayer 31 is made of the first side plate 311 and the second side plate 312, and first side plate 311 is the water tank one
The side plate of side, second side plate 312 are arranged in parallel with the first side plate 311, and the side plate of second side plate 312 and water tank is formed
Confined space.
The exhaust gear 32 includes exhaust pipe 313 and silk plug 314, and 313 one end of the exhaust pipe is fixed on the first side plate
On 311 and with water tank internal run-through, the other end sealed by silk plug 314;The silk plug 314 is fixed on the second side plate 312;Institute
The contact surface for stating exhaust pipe 313 and the silk plug 314 is the conical surface;At least three is arranged in the exhaust gear 32.
Water inlet 40 is additionally provided on the side wall of the water tank.The water tank is made of organic glass.
Embodiment 2:
Detection radiation performance dosemeter calibration Water ball, including water tank, dosemeter fixing device 1, irradiation field alignment layers 2
With bubble remover 3.The dosemeter fixing device 1 is arranged at the middle part of the water tank.The irradiation field alignment layers 2 are arranged
On the side plate of the water tank parallel with dosemeter fixing device.The removal of bubbles device 3 is arranged in the side of the water tank
It face and does not overlap with the irradiation field alignment layers 2 and the dosemeter fixing device 1.
The dosemeter fixing device 1 includes standard dose instrument fixed section 11 and is calibrated dosemeter fixed section 12.It is described
Standard dose instrument fixed section 11 is symmetrical arranged with 12 minute surface of dosemeter fixed section that is calibrated.
The dosemeter fixing device further includes the first connecting tube 13;The standard dose instrument fixed section 11 with it is described by school
Quasi- dosemeter fixed section 12 is connected by the first connecting tube 13;The standard dose instrument fixed section 11 is calibrated dosemeter with described
The internal diameter of fixed section 13 is more than the internal diameter of first connecting tube 13.
The standard dose instrument fixed section 11 and the dosemeter fixed section 12 that is calibrated are pipe;First connection
13 both ends of pipe are Taper Pipe, and centre is pipe;The standard dose instrument fixed section 11 passes through side plate and the external world of the one side of water tank
Perforation, the side plate for being calibrated dosemeter fixed section 12 across the water tank other side are penetrated through with extraneous.
Embodiment 3:
Detection radiation performance dosemeter calibration Water ball, including water tank, dosemeter fixing device 1, irradiation field alignment layers 2
With bubble remover 3.The dosemeter fixing device 1 is arranged at the middle part of the water tank.The irradiation field alignment layers 2 are arranged
On the side plate of the water tank parallel with dosemeter fixing device.The removal of bubbles device 3 is arranged in the side of the water tank
It face and does not overlap with the irradiation field alignment layers 2 and the dosemeter fixing device 1.
2 middle part of the irradiation field alignment layers is provided with the groove for capableing of centering light-beam position.
The irradiation field alignment layers 2 are the groove being opened in side plate of water tank.
Embodiment 4:
Detection radiation performance dosemeter calibration Water ball, including water tank, dosemeter fixing device 1, irradiation field alignment layers 2
With bubble remover 3.The dosemeter fixing device 1 is arranged at the middle part of the water tank.The irradiation field alignment layers 2 are arranged
On the side plate of the water tank parallel with dosemeter fixing device.The removal of bubbles device 3 is arranged in the side of the water tank
It face and does not overlap with the irradiation field alignment layers 2 and the dosemeter fixing device 1.
The removal of bubbles device 3 includes interlayer 31 and exhaust gear 32, and the interlayer 31 is arranged in the side of the water tank
On plate;It is provided on the interlayer 31 and the exhaust gear of water tank internal run-through 32.
The interlayer 31 is made of the first side plate 311 and the second side plate 312, and first side plate 311 is the water tank one
The side plate of side, second side plate 312 are arranged in parallel with the first side plate 311, and the side plate of second side plate 312 and water tank is formed
Confined space.
The exhaust gear 32 includes exhaust pipe 313 and silk plug 314, and 313 one end of the exhaust pipe is fixed on the first side plate
On 311 and with water tank internal run-through, the other end sealed by silk plug 314;The silk plug 314 is fixed on the second side plate 312;Institute
The contact surface for stating exhaust pipe 313 and the silk plug 314 is the conical surface;At least three is arranged in the exhaust gear 32.
Time saving and energy saving when being calibrated to dosemeter using the Water ball, convenient and efficient improves the work of medical worker
Efficiency.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, made by all any modification, equivalent and improvement etc., should be included in the utility model
Protection domain within.
Claims (10)
1. detection radiation performance dosemeter calibration Water ball, it is characterised in that:Including water tank, dosemeter fixing device, irradiation
Wild alignment layers and bubble remover;The dosemeter fixing device is arranged at the middle part of the water tank;The irradiation field positioning
Layer is arranged on the side plate of the water tank parallel with dosemeter fixing device;The removal of bubbles device is arranged in the water tank
Side and do not overlap with the irradiation field alignment layers and the dosemeter fixing device.
2. performance dosemeter calibration Water ball is radiated in detection according to claim 1, it is characterised in that:The dosemeter
Fixing device includes standard dose instrument fixed section and is calibrated dosemeter fixed section;The standard dose instrument fixed section and the quilt
Dosemeter fixed section minute surface is calibrated to be symmetrical arranged.
3. performance dosemeter calibration Water ball is radiated in detection according to claim 2, it is characterised in that:The dosemeter
Fixing device further includes the first connecting tube;The standard dose instrument fixed section is with the dosemeter fixed section that is calibrated by first
Connecting tube is connected;The standard dose instrument fixed section is connect with the internal diameter for being calibrated dosemeter fixed section more than described first
The internal diameter of pipe.
4. performance dosemeter calibration Water ball is radiated in detection according to claim 3, it is characterised in that:The standard agent
It is pipe that instrument fixed section, which is measured, with the dosemeter fixed section that is calibrated;First connecting tube both ends are Taper Pipe, and centre is circle
Pipe;The standard dose instrument fixed section passes through the side plate of the one side of water tank to be penetrated through with extraneous, and the dosemeter that is calibrated is fixed
Section passes through the side plate of the water tank other side to be penetrated through with extraneous.
5. performance dosemeter calibration Water ball is radiated in detection according to claim 1, it is characterised in that:The irradiation field
It is provided with the groove for capableing of centering light-beam position in the middle part of alignment layers.
6. performance dosemeter calibration Water ball is radiated in detection according to claim 5, it is characterised in that:The irradiation field
Alignment layers are the groove being opened in side plate of water tank.
7. performance dosemeter calibration Water ball is radiated in detection according to claim 1, it is characterised in that:The bubble row
Except device includes interlayer and exhaust gear, the interlayer is arranged on the side plate of the water tank;It is provided on the interlayer and water
The exhaust gear of case internal run-through.
8. performance dosemeter calibration Water ball is radiated in detection according to claim 7, it is characterised in that:The interlayer
It is made of the first side plate and the second side plate, first side plate is the side plate of the one side of water tank, second side plate and first
Side plate is arranged in parallel, and the side plate of second side plate and water tank forms confined space.
9. performance dosemeter calibration Water ball is radiated in detection according to claim 8, it is characterised in that:The air exhauster
Structure includes exhaust pipe and silk plug, described exhaust pipe one end be fixed on the first side plate and with water tank internal run-through, the other end passes through
Silk plug seals;The silk plug is fixed on the second side plate;The contact surface of the exhaust pipe and the silk plug is the conical surface;The exhaust
At least three is arranged in mechanism.
10. performance dosemeter calibration Water ball is radiated in detection according to claim 1, it is characterised in that:The water tank
Side wall on be additionally provided with water inlet;The water tank is made of organic glass.
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CN201720635503.5U CN207886537U (en) | 2017-06-03 | 2017-06-03 | Detection radiation performance dosemeter calibration Water ball |
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CN201720635503.5U CN207886537U (en) | 2017-06-03 | 2017-06-03 | Detection radiation performance dosemeter calibration Water ball |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111632278A (en) * | 2020-05-23 | 2020-09-08 | 四川中测辐射科技有限公司 | Method for correcting positioning error of three-dimensional beam analyzer by using multiple sensors |
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2017
- 2017-06-03 CN CN201720635503.5U patent/CN207886537U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111632278A (en) * | 2020-05-23 | 2020-09-08 | 四川中测辐射科技有限公司 | Method for correcting positioning error of three-dimensional beam analyzer by using multiple sensors |
CN111632278B (en) * | 2020-05-23 | 2022-04-19 | 四川中测辐射科技有限公司 | Method for correcting positioning error of three-dimensional beam analyzer by using multiple sensors |
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