CN105807306B - A kind of the radiation dose measurement device and its measurement method of radioactive particle - Google Patents
A kind of the radiation dose measurement device and its measurement method of radioactive particle Download PDFInfo
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- CN105807306B CN105807306B CN201610259928.0A CN201610259928A CN105807306B CN 105807306 B CN105807306 B CN 105807306B CN 201610259928 A CN201610259928 A CN 201610259928A CN 105807306 B CN105807306 B CN 105807306B
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- 239000002245 particle Substances 0.000 title claims abstract description 191
- 230000002285 radioactive effect Effects 0.000 title claims abstract description 122
- 230000005855 radiation Effects 0.000 title claims abstract description 89
- 238000005259 measurement Methods 0.000 title claims abstract description 74
- 238000000691 measurement method Methods 0.000 title claims description 17
- 238000009826 distribution Methods 0.000 claims description 25
- 206010028980 Neoplasm Diseases 0.000 claims description 14
- 241000209094 Oryza Species 0.000 claims description 14
- 235000007164 Oryza sativa Nutrition 0.000 claims description 14
- 235000009566 rice Nutrition 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 10
- 235000013339 cereals Nutrition 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000002513 implantation Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/02—Dosimeters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/02—Dosimeters
- G01T1/08—Photographic dosimeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/02—Dosimeters
- G01T1/10—Luminescent dosimeters
- G01T1/11—Thermo-luminescent dosimeters
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- Spectroscopy & Molecular Physics (AREA)
- Measurement Of Radiation (AREA)
Abstract
The present invention provides a kind of radiation dose measurement device of radioactive particle, measuring device includes tissue equivalent's plate and longitudinal particle through-hole and dosimeter through-hole for running through tissue equivalent's plate.The hole for placing radioactive particle and dosimeter is arranged in the radiation dose measurement device of radioactive particle provided by the invention on tissue equivalent's plate, the position of radioactive particle and dosimeter can be fixed for the hole, consequently facilitating the radiation dose measurement of radioactive particle.The measuring device that radiation dose measurement device provided by the invention is prepared by using tissueequivalentmaterial carries out radiation dose measurement, can most true, immediate reaction radioactive particle in the intracorporal radiation value of people.The radiation dose measurement device of radioactive particle provided by the invention can according between particle through-hole, between dosimeter through-hole and the distance between particle through-hole and dosimeter through-hole setting different size measuring device, and then measure single or more radioactive particle dose of radiation.
Description
Technical field
The present invention relates to radiation dose measurement technical fields, more specifically, are related to a kind of radiation of radioactive particle
Health-monitoring installation and its measurement method.
Background technique
Malignant tumour is always to threaten the major disease of human health, closely control between tissue using radioactive particle
Treating tumour is the new technology that recent decades grow up, and radioactive particle interventional implantation technology inhibits tumour effect due to having
Rate is high, and dosage is reasonably distributed, convenient to form complementary etc. advantage with Operation cooperation and become a kind for the treatment of means for treating tumour.
While treating tumour, to avoid the tumour week when treating tumour using radioactive particle interventional implantation technology
The histoorgan enclosed is damaged, and therefore, it is necessary to reasonably place radioactive particle in inside tumor.And currently, radioactivity grain
Son needs to do preoperative plan with dedicated treatment planning systems before implantation tumour, and calculates in radioactive particle different distributions
The acceptable dosage of histoorgan institute on tumour periphery, obtains calculated value.It guards and estimates in the treatment planning systems of sale at present
In respect of more than 10 brands, due to the difference of planning system, there are errors between obtained calculated value, and then are put into inside tumor
Radioactive particle quantity it is also just different, finally influence therapeutic effect.
To eliminate the error between different calculated values, researcher's dosage meter studies radioactive particle periphery different distance
Dose of radiation.Research for single radioactive particle periphery different distance, most of is that agent is carried out in air or water
Measurement, and the fixation of the position of radioactive particle and dosimeter acquires a certain degree of difficulty.For more radioactive particle ambient radiation agent
The measurement of amount, secondly the measurement of peacekeeping 3-dimensional dose is more difficult.
Summary of the invention
The object of the present invention is to provide the radiation dose measurement devices and its measurement method of a kind of radioactive particle, to solve
The dose of radiation of radioactive particle described in background technique is difficult to the problem of measuring.
In order to solve the above technical problem, the present invention provides following technical solutions:
A kind of radiation dose measurement device of radioactive particle, the measuring device include tissue equivalent's plate and longitudinal
Through the particle through-hole and dosimeter through-hole of tissue equivalent's plate, the particle through-hole is with the center of tissue equivalent's plate
Center is evenly distributed on tissue equivalent's plate, and the dosimeter through-hole is in centered on the center of tissue equivalent's plate
Rice shape is arranged on tissue equivalent's plate, and the dosimeter through-hole and the position of the particle through-hole be not be overlapped.
Preferably, the particle through-hole is uniformly arranged on tissue equivalent's plate in a manner of laterally or longitudinally.
Preferably, the spacing between the particle through-hole is 5mm；On the horizontal and vertical lines of rice word closest to institute
The distance for stating the dosimeter through-hole to tissue equivalent's plate center at tissue equivalent's plate center is 2.5mm, positioned at rice word
The distance at the dosimeter through-hole to tissue equivalent's plate center closest to tissue equivalent's plate center on oblique line is
5mm, the spacing between remaining described dosimeter through-hole in rice wordline are 5mm.
A kind of radiation dose measurement device of radioactive particle, the measuring device include tissue equivalent's plate and longitudinal
Through the particle through-hole and dosimeter through-hole of tissue equivalent's plate, the dosimeter through-hole is with the center of tissue equivalent's plate
Centered in it is cross-shaped it is uniform be arranged on tissue equivalent's plate, in four regions that the dosimeter through-hole is formed
The particle through-hole is uniformly set.
Preferably, the spacing between the dosimeter through-hole is 2.5mm；Spacing between the particle through-hole is 5mm, and
The distance that the particle through-hole apart from cross wire vertically arrives the cross wire is 2.5mm.
Preferably, the measuring device further include with tissue equivalent's plate homalographic, etc. materials blank, the blank
Positioned at the two sides of tissue equivalent's plate.
Preferably, tissue equivalent's plate is mutually fixed with the blank by tissue equivalent's screw.
A kind of measurement method of the radiation dose measurement device of radioactive particle, the measurement method include:
The radiation dose measurement device of radioactive particle is chosen according to the distribution for the radioactive particle being pre-designed；
According in the particle through-hole and dosimeter through-hole that are distributed on tissue equivalent's plate of the radioactive particle being pre-designed
Radioactive particle and dosimeter are placed respectively；
The reading for reading the dosimeter obtains the dosage distribution values of radioactive particle.
Preferably, the radiation dose measurement of radioactive particle is chosen in the distribution for the radioactive particle that the basis is pre-designed
Device includes:
The distribution of radioactive particle is designed according to tumor characteristic, and is chosen and radiated by the distribution character of the radioactive particle
The radiation dose measurement device of property particle.
Preferably, the measurement method further include:
After placing radioactive particle and dosimeter respectively in the particle through-hole and dosimeter through-hole on tissue equivalent's plate,
Film badge is placed between tissue equivalent's plate or between tissue equivalent's plate and blank；
The reading for reading the dosimeter and the film badge respectively, obtain radioactive particle two dimension or three-dimensional
Dosage distribution.
The present invention provides a kind of radiation dose measurement device of radioactive particle, the measuring device includes tissue equivalent
Plate and longitudinal particle through-hole and dosimeter through-hole for running through tissue equivalent's plate, the particle through-hole is with described tissue etc.
It is evenly distributed on tissue equivalent's plate centered on the center of effect plate, the dosimeter through-hole is with tissue equivalent's plate
It is arranged on tissue equivalent's plate centered on center in rice shape, and the position of the dosimeter through-hole and the particle through-hole
It is not overlapped.The present invention also provides a kind of radiation dose measurement device of radioactive particle, the measuring device includes tissue etc.
Plate and longitudinal particle through-hole and dosimeter through-hole for running through tissue equivalent's plate are imitated, the dosimeter through-hole is with described group
Knit centered on the center of Equivalent Plate in it is cross-shaped it is uniform be arranged on tissue equivalent's plate, the dosimeter through-hole shape
At four regions in the particle through-hole is uniformly set.The radiation dose measurement device of radioactive particle provided by the invention
The hole of radioactive particle and dosimeter is placed in setting on tissue equivalent's plate, which can be by radioactive particle and dosimeter
Position be fixed, consequently facilitating the radiation dose measurement of radioactive particle.Meanwhile radioactive particle provided by the invention
Radiation dose measurement device carries out radiation dose measurement by using measuring device prepared by tissueequivalentmaterial, can be most true
Real, immediate reaction radioactive particle is in the intracorporal radiation value of people.The radiation agent of radioactive particle provided by the invention measures
Measuring device can be according between particle through-hole, between dosimeter through-hole and the distance between particle through-hole and dosimeter through-hole are set
The measuring device of different size is set, and then measures the dose of radiation of single or more radioactive particle.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, for those of ordinary skills, do not making the creative labor
Under the premise of, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structural representation of the radiation dose measurement device of the first radioactive particle provided in an embodiment of the present invention
Figure；
Fig. 2 is that the amplification at the radiation dose measurement device A of the first radioactive particle provided in an embodiment of the present invention is shown
It is intended to；
Fig. 3 is the structural representation of the radiation dose measurement device of second of radioactive particle provided in an embodiment of the present invention
Figure；
Structure when Fig. 4 is the radiation dose measurement device setting blank of radioactive particle provided in an embodiment of the present invention is shown
It is intended to；
It illustrates:
1- tissue equivalent plate, 2- particle through-hole, 3- dosimeter through-hole, 4- blank, 5- tissue equivalent screw.
Specific embodiment
The radiation dose measurement device and its measurement method of radioactive particle provided in an embodiment of the present invention, solve radiation
The dose of radiation of property particle is difficult to the problem of measuring.
Technical solution in embodiment in order to enable those skilled in the art to better understand the present invention, and make of the invention real
The above objects, features, and advantages for applying example can be more obvious and easy to understand, with reference to the accompanying drawing to the technology in the embodiment of the present invention
Scheme is described in further detail.
The radiation dose measurement device of radioactive particle provided in an embodiment of the present invention includes tissue equivalent's plate 1 and indulges
To the particle through-hole 2 and dosimeter through-hole 3 for running through tissue equivalent's plate 1.Wherein, tissue equivalent's plate 1 is use and tissue etc.
The material of effect is prepared, which is solid water material, made by the tissueequivalentmaterial of remaining certain material
Plate also within protection scope of the present invention.The shape of tissue equivalent's plate 1 is square, rectangle or circle etc., for convenient for
The distribution of particle through-hole 2 and dosimeter through-hole 3 is set, and tissue equivalent's plate 1 provided in an embodiment of the present invention uses square structure.
Since tissue equivalent's plate 1 in the radiation dose measurement device of radioactive particle provided in an embodiment of the present invention uses tissue equivalent
Material is prepared, and radioactive particle and dosimeter are respectively positioned on the inside of tissue equivalent's plate 1, and therefore, the embodiment of the present invention mentions
Dose value measured by the radiation dose measurement device of the radioactive particle of confession is closest to the intracorporal actual value of people.Particle is logical
Hole 2 is the hole for placing radioactive particle, and dosimeter through-hole 3 is the hole for placing dosimeter.According to particle through-hole 2 and dosimeter
The radiation dose measurement device of plurality of specifications can be arranged in the distribution difference of through-hole 3, specifically please refer to as described below.
Attached drawing 1 is please referred to, the radiation agent that attached drawing 1 shows the first radioactive particle provided in an embodiment of the present invention measures
Measure the structural schematic diagram of device.
, it can be seen that the radiation dose measurement of the first radioactive particle provided in an embodiment of the present invention fills from attached drawing 1
Set the particle through-hole 2 and dosimeter through-hole 3 for including tissue equivalent's plate 1 and longitudinally running through tissue equivalent's plate 1, particle through-hole 2
It is evenly distributed in centered on the center of tissue equivalent's plate 1 on tissue equivalent's plate 1, dosimeter through-hole 3 is with tissue equivalent's plate 1
It is arranged on tissue equivalent's plate 1 centered on center in rice shape, and dosimeter through-hole 3 and the position of particle through-hole 2 be not be overlapped.?
When preparing the radiation dose measurement device of radioactive particle provided in an embodiment of the present invention, first it is with the center of tissue equivalent's plate 1
The particle through-hole 2 of radioactive particle is placed in center setting, and is particle through-hole 2 at the center of tissue equivalent's plate 1, with tissue equivalent
Rice font separator bar is drawn centered on the center of plate 1 on tissue equivalent's plate 1, the angle between every separator bar is 45 °, thus shape
Eight orientation of granulating sub-through hole 2 are 0 °, 45 °, 90 °, 135 °, 180 °, 225 °, 270 ° and 315 ° with coordinate representation；In particle
Punching forms dosimeter through-hole 3 respectively in eight orientation of through-hole 2, and dosimeter through-hole 3 and the position of particle through-hole 2 do not weigh
It is folded, to realize the dose of radiation for measuring radioactive particle at different direction, different distance.Provided in an embodiment of the present invention first
The radiation dose measurement device of kind radioactive particle is suitable for the radiation dose measurement of radioactive particle, is particularly suitable for different work
The radiation dose measurement of single radioactive particle of degree.
Further, particle through-hole 2 is uniformly distributed on tissue equivalent's plate 1, and arrangement mode can be circular arrangement, spiral shell
Shape arrangement, rectangular arrangement are revolved, in embodiments of the present invention, particle through-hole 2 is uniformly arranged on tissue in a manner of laterally or longitudinally
On Equivalent Plate 1, i.e., it is distributed with rectangular arrangement mode.
Further, attached drawing 2 is please referred to, attached drawing 2 shows the first radioactive particle provided in an embodiment of the present invention
Enlarged diagram at radiation dose measurement device A.
From attached drawing 2, it can be seen that when particle through-hole 2 is with rectangular arrangement, the spacing between particle through-hole 2 is 5mm.It is located at
Four dosimeter through-holes 3 closest to 1 center of tissue equivalent's plate on the horizontal and vertical lines of rice word arrive 1 center of tissue equivalent's plate
Distance be 2.5mm, four dosimeter through-holes 3 closest to 1 center of tissue equivalent's plate on the oblique line of rice word arrive tissue
The distance at 1 center of Equivalent Plate is 5mm, and the spacing between remaining dosimeter through-hole 3 in rice wordline is 5mm, until tissue etc.
Imitate the edge of plate 1.The mode arranged evenly of above-mentioned particle through-hole 2 and dosimeter through-hole 3 is conducive to the dosage in dosimeter through-hole 3
Dose of radiation at meter measurement 2 different location of particle through-hole, obtains more radiation profiles data, and then is conducive to accurate calculate
The quantity for treating the radioactive particle of tumour.
In the first radiation dose measurement device provided in an embodiment of the present invention, the side length of tissue equivalent's plate 1 is 10cm
Square tissueequivalentmaterial, with a thickness of 5mm.The side length of blank 4 is also equally 10cm, with a thickness of 1cm.
Attached drawing 3 is please referred to, the radiation agent that attached drawing 3 shows second of radioactive particle provided in an embodiment of the present invention measures
Measure the structural schematic diagram of device.
, it can be seen that the radiation dose measurement of second of radioactive particle provided in an embodiment of the present invention fills from attached drawing 3
Set the particle through-hole 2 and dosimeter through-hole 3 for including tissue equivalent's plate 1 and longitudinally running through tissue equivalent's plate 1, dosimeter through-hole
3 centered on the center of tissue equivalent's plate 1 in it is cross-shaped it is uniform be arranged on tissue equivalent's plate 1,3 shape of dosimeter through-hole
At four regions in particle through-hole 2 is uniformly set.In the radiation agent for preparing radioactive particle provided in an embodiment of the present invention
When measuring device, the center of tissue equivalent's plate 1 is determined, and type separator bar of crossing centered on the center of tissue equivalent's plate 1,
Angle between every separator bar is 90 °, is x-axis and y-axis with coordinate representation to form four orientation of particle through-hole 2；?
Punching forms dosimeter through-hole 3 respectively in four orientation of particle through-hole 2, and in four regions that dosimeter through-hole 3 is formed
Uniform setting particle through-hole 2, to realize the dose of radiation for measuring radioactive particle at different direction, different distance.This hair
The radiation dose measurement device for second of radioactive particle that bright embodiment provides is suitable for the radiation of more radioactive particles
Dosage measurement, and the particle of a variety of different location distributions, various combination distribution can be designed.
Further, dosimeter through-hole 3 is set at the center of tissue equivalent's plate 1, and each of on cross separator bar dose
Spacing between meter through-hole 3 is 2.5mm, until the edge of tissue equivalent's plate 1.The distribution of dosimeter through-hole 3 is formed by
The spacing between particle through-hole 2 in four regions is 5mm, and the particle through-hole 2 nearest apart from cross wire vertically arrives institute
The distance for stating cross wire is 2.5mm, i.e., the vertical distance to x-axis or y-axis of particle through-hole 2 nearest apart from x-axis or y-axis is
2.5mm.In the radiation dose measurement device of second of radioactive particle provided in an embodiment of the present invention, tissue equivalent's plate 1
Side length is the square tissueequivalentmaterial of 10cm, with a thickness of 5mm.
Attached drawing 4 is please referred to, attached drawing 4 shows the radiation dose measurement device of radioactive particle provided in an embodiment of the present invention
Increase structural schematic diagram when blank.
, it can be seen that the radiation dose measurement device of radioactive particle provided in an embodiment of the present invention is in group from attached drawing 4
Knit Equivalent Plate 1 two sides increase with 1 homalographic of tissue equivalent's plate, etc. materials blank 4.Blank 4 is provided with two pieces altogether, and respectively
Positioned at the two sides of tissue equivalent's plate 1, play the role of radioactive particle and dosimeter in fixing organization Equivalent Plate 1, and then prevent
Radioactive particle and dosimeter fall off from tissue equivalent's plate 1.
Further, blank 4 and tissue equivalent's plate 1, which are fixed, is fixed when stacking using tissue equivalent's screw 5.Tissue equivalent
Screw 5 is to be prepared using tissueequivalentmaterial identical with blank 4 and 1 material of tissue equivalent's plate.For convenient for tissue equivalent's screw 5
The tail end of fixed blank 4 and tissue equivalent's plate 1, tissue equivalent's screw 5 has screw thread, and on one piece of blank 4 therein with
Screw thread corresponding with the screw thread on tissue equivalent screw 5.In fixed blank 4 and tissue equivalent's plate 1, it is only necessary to by tissue etc.
It imitates screw 5 and passes through not threaded blank 4 and tissue equivalent's plate 1, and screwed with threaded blank 4.
When using the radiation dose measurement device of radioactive particle provided in an embodiment of the present invention, 20 pieces of tissues are prepared altogether
Equivalent Plate 1, to realize the stereochemical structure of radiation dose measurement device.Tissue equivalent's plate 1 is used in conjunction with two pieces of blanks 4, and is made
Tissue equivalent's screw 5 with tissueequivalentmaterial preparation identical with 1 material of tissue equivalent plate is fixed.Between two pieces of blanks 4
The quantity of tissue equivalent's plate 1 is determined according to the arrangement mode of the radioactive particle of setting.
In above-mentioned four kinds specific radiation dose measurement devices, the diameter of particle through-hole 2 is 0.9mm, dosimeter through-hole 3
Size is set according to the size of specific dosimeter, is required with coincidence measurement.The radiation of radioactive particle provided by the invention
The position of radioactive particle and dosimeter is fixed by particle through-hole 2 and dosimeter through-hole 3 for health-monitoring installation, and not
It is subjected to displacement, consequently facilitating the accurately dose of radiation of measurement radioactive particle.
In the radiation that above-mentioned four kinds specific radiation dose measurement devices are only radioactive particles provided in an embodiment of the present invention
The preferred embodiment of health-monitoring installation, and though particle through-hole 2 and dosimeter through-hole 3 be how to arrange, the shape of tissue equivalent's plate 1
How is shape, as long as the device with particle through-hole 2 and dosimeter through-hole 3 prepared using tissueequivalentmaterial is all in the present invention
In the range of protection.
The embodiment of the invention also provides the measurement method of the radiation dose measurement device of radioactive particle, the measurement methods
It include: the radiation dose measurement device that radioactive particle is chosen according to the distribution for the radioactive particle being pre-designed；According to preparatory
Radioactivity grain is placed respectively in the particle through-hole being distributed on tissue equivalent's plate and dosimeter through-hole of the radioactive particle of design
Son and dosimeter；The reading for reading the dosimeter obtains the dosage distribution values of radioactive particle.
Specifically: before the radiation dose measurement for carrying out radioactive particle, radioactivity grain is pre-designed according to tumor characteristic
The distribution of son, and then choose the radiation dose measurement device of the first or second of radioactive particle；To more different locations point
When the dose of radiation for the radioactive particle that cloth, various combination are distributed measures, according to the quantity of radioactive particle and position point
Cloth determines the quantity of tissue equivalent's plate 1.After having chosen radiation dose measurement device, according to the quantity of radioactive particle and position point
Cloth places radioactive particle and dosimeter in the particle through-hole and dosimeter through-hole on tissue equivalent's plate respectively.One timing of measurement
Between after, dosimeter is taken out, and read the reading of dosimeter, obtains the dosage distribution values of radioactive particle.The present invention is implemented
The measurement method of the radiation dose measurement device for the radioactive particle that example provides is simple and effective, is easy preparation, meanwhile, it is obtained
The dosage distribution values of radioactive particle can also be calculated with formula or treatment planning systems calculate resulting numerical value and compare,
And then can learn whether the dosage that treatment planning systems are calculated is correct, deviation is how many.
Further, the embodiment of the invention also provides the measurement methods of the radiation dose measurement device of radioactive particle also to wrap
It includes after placing radioactive particle and dosimeter respectively in the particle through-hole 2 and dosimeter through-hole 3 on tissue equivalent's plate 1, in institute
It states between tissue equivalent's plate 1 or places film badge between tissue equivalent's plate 1 and blank 4.It measures after a certain period of time, by film
Dosimeter and dosimeter take out, and read the reading of film badge and dosimeter respectively, pass through film badge and dosimeter
The combination of dosimeter just can obtain the dosage distribution of the two dimension or three-dimensional of radioactive particle in through-hole 3.
Specifically, such as placing thermoluminescent dosemeter in dosimeter through-hole 3, just can measure in various combination particle target area
The dosage of outer different distance.Thermoluminescent dosemeter and film badge common combination, which use, just can obtain the two of radioactive particle
The distribution of the dosage of dimension or three-dimensional.
The embodiments of the present invention described above are not intended to limit the scope of the present invention.It is any in the present invention
Spirit and principle within made modifications, equivalent substitutions and improvements etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of radiation dose measurement device of radioactive particle, which is characterized in that the measuring device includes tissue equivalent's plate
(1) and longitudinally run through the particle through-hole (2) and dosimeter through-hole (3) of tissue equivalent's plate (1), the particle through-hole
(2) it is evenly distributed in centered on the center of tissue equivalent's plate (1) on tissue equivalent's plate (1), the dosimeter
Through-hole (3) is arranged on tissue equivalent's plate (1) centered on the center of tissue equivalent's plate (1) in rice shape, and institute
It states dosimeter through-hole (3) and the position of the particle through-hole (2) is not be overlapped；
The measuring device further include with tissue equivalent's plate (1) homalographic, etc. materials blank (4), blank (4) position
In the two sides of tissue equivalent's plate (1).
2. the radiation dose measurement device of radioactive particle according to claim 1, which is characterized in that the particle through-hole
(2) it is uniformly arranged in a manner of laterally or longitudinally on tissue equivalent's plate (1).
3. the radiation dose measurement device of radioactive particle according to claim 2, which is characterized in that the particle through-hole
(2) spacing between is 5mm；The institute closest to tissue equivalent's plate (1) center on the horizontal and vertical lines of rice word
The distance for stating dosimeter through-hole (3) to tissue equivalent's plate (1) center is 2.5mm, closest on the oblique line of rice word
The distance at the dosimeter through-hole (3) at tissue equivalent's plate (1) center to tissue equivalent's plate (1) center is 5mm, rice
The spacing between remaining described dosimeter through-hole (3) in wordline is 5mm.
4. a kind of radiation dose measurement device of radioactive particle, which is characterized in that the measuring device includes tissue equivalent's plate
(1) and longitudinally run through the particle through-hole (2) and dosimeter through-hole (3) of tissue equivalent's plate (1), the dosimeter through-hole
It (3) is in cross-shaped uniform setting centered on the center of tissue equivalent's plate (1) in tissue equivalent's plate (1)
On, the particle through-hole (2) is uniformly set in four regions that the dosimeter through-hole (3) is formed；
The measuring device further include with tissue equivalent's plate (1) homalographic, etc. materials blank (4), blank (4) position
In the two sides of tissue equivalent's plate (1).
5. the radiation dose measurement device of radioactive particle according to claim 4, which is characterized in that the dosimeter is logical
Spacing between hole (3) is 2.5mm, and the spacing between the particle through-hole (2) is 5mm, and nearest apart from cross wire
The distance that the particle through-hole (2) vertically arrives the cross wire is 2.5mm.
6. the radiation dose measurement device of radioactive particle according to claim 4, which is characterized in that the tissue equivalent
Plate (1) is mutually fixed with the blank (4) by tissue equivalent's screw (5).
7. a kind of measurement method of the radiation dose measurement device of radioactive particle as described in claim 1 or 4, feature exist
In the measurement method includes:
The radiation dose measurement device of radioactive particle is chosen according to the distribution for the radioactive particle being pre-designed；
Distinguish according in the particle through-hole being distributed on tissue equivalent's plate and dosimeter through-hole of the radioactive particle being pre-designed
Place radioactive particle and dosimeter；
The reading for reading the dosimeter obtains the dosage distribution values of radioactive particle.
8. the measurement method of the radiation dose measurement device of radioactive particle according to claim 7, which is characterized in that institute
It states and includes: according to the radiation dose measurement device that radioactive particle is chosen in the distribution for the radioactive particle being pre-designed
The distribution of radioactive particle is designed according to tumor characteristic, and radioactivity grain is chosen by the distribution character of the radioactive particle
The radiation dose measurement device of son.
9. the measurement method of the radiation dose measurement device of radioactive particle according to claim 8, which is characterized in that institute
State measurement method further include:
After placing radioactive particle and dosimeter respectively in the particle through-hole and dosimeter through-hole on tissue equivalent's plate, described
Film badge is placed between tissue equivalent's plate or between tissue equivalent's plate and blank；
The reading for reading the dosimeter and the film badge respectively obtains the two dimension of radioactive particle or the dosage of three-dimensional
Distribution.
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| CN1560614A (en) * | 2004-03-03 | 2005-01-05 | 军 张 | Intensity modulation checking tomograph and intensity modulation checking phantom |
| EP1747799A1 (en) * | 2005-07-27 | 2007-01-31 | Ion Beam Applications S.A. | Dosimetry device for verification of a radiation therapy apparatus |
| CN201569746U (en) * | 2009-12-25 | 2010-09-01 | 深圳市海博科技有限公司 | Measuring die body |
| CN102353973B (en) * | 2011-06-23 | 2012-12-12 | 山东新华医疗器械股份有限公司 | Blood irradiation dose measuring phantom |
| DE102012215563A1 (en) * | 2012-09-03 | 2014-03-06 | Siemens Aktiengesellschaft | Dose-measuring device |
| CN203469248U (en) * | 2013-07-16 | 2014-03-12 | 武汉大学 | Three-dimensional radiation dose acquisition and verification device |
| CN203365688U (en) * | 2013-07-19 | 2013-12-25 | 北京中康联医疗器械开发有限公司 | A multifunctional measurement die body |
| CN103698795B (en) * | 2013-12-10 | 2016-08-31 | 广州医科大学附属肿瘤医院 | A kind of Effect of HDR Brachytherapy radiation source dose measurement body mould |
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Effective date of registration: 20190816 Address after: 050051 Heping West Road, Hebei, Shijiazhuang, No. 348 Patentee after: The people's hospital of Heibei Address before: 050051 Department of Oncology, Hebei People's Hospital, 348 Heping West Road, Shijiazhuang City, Hebei Province Patentee before: Zhang Hongtao |