CN108771547A - CT picture qualities and dose of radiation body mould and CT imaging systems - Google Patents
CT picture qualities and dose of radiation body mould and CT imaging systems Download PDFInfo
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- 230000005855 radiation Effects 0.000 title claims abstract description 31
- 238000013170 computed tomography imaging Methods 0.000 title claims abstract description 9
- 238000004088 simulation Methods 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 14
- 239000004793 Polystyrene Substances 0.000 description 10
- 229920002223 polystyrene Polymers 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 6
- 210000004072 lung Anatomy 0.000 description 6
- 239000002872 contrast media Substances 0.000 description 4
- 206010028980 Neoplasm Diseases 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 210000001519 tissue Anatomy 0.000 description 3
- 238000010146 3D printing Methods 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 210000000038 chest Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- PVBALTLWZVEAIO-UHFFFAOYSA-N diodone Chemical compound OC(=O)CN1C=C(I)C(=O)C(I)=C1 PVBALTLWZVEAIO-UHFFFAOYSA-N 0.000 description 2
- 229960001845 diodone Drugs 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 230000003187 abdominal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002591 computed tomography Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
- A61B6/032—Transmission computed tomography [CT]
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/44—Constructional features of apparatus for radiation diagnosis
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/28—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine
- G09B23/286—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine for scanning or photography techniques, e.g. X-rays, ultrasonics
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- Heart & Thoracic Surgery (AREA)
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- Animal Behavior & Ethology (AREA)
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- Educational Technology (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Abstract
The invention belongs to the Instrument technology fields more particularly to a kind of CT picture qualities and dose of radiation body mould and CT imaging systems with the CT picture qualities and dose of radiation body mould for radiodiagnosis.Wherein, CT picture qualities and dose of radiation body mould, including cylinder and lid, lid include the first lid and the second lid, and the first lid and the second lid cover the both ends for being located at cylinder, multiple detachable parts have also been removably installed in cylinder respectively.The invention can solve the technical issues of being difficult to carry out CT simulations to infant's body existing in the prior art.
Description
Technical field
The invention belongs to the Instrument technology fields more particularly to a kind of CT picture qualities and dose of radiation for radiodiagnosis
Body mould and CT imaging systems with the CT picture qualities and dose of radiation body mould.
Background technology
There are ionising radiations by CT, and especially for the infant in growth and development stage, infant is easily easier by spoke
The influence penetrated.Data show that the dosage for absorbing CT in children organization unit volume is metabolized vigorous group higher than 10 times of adult
It is more sensitive to radiating to knit cell；Dose accumulation effect is still had, also relatively adult is more for the amount of radiation of accumulation, easily induces other diseases
The especially generation of tumour.
For infant since body size is special, in-vivo tissue ratio is different from adult, is grinding for current dose of radiation control
Study carefully hot spot, while being also Research Challenges.In daily work, CT examination personnel are based on ALARA, and (low dosage is former as far as possible
Then, as low as reasonably achievable) influence of the principle control dose of radiation for infant, but do not have at present
There is the sweep parameter standard of different CT examination equipment to need to be advanced optimized.
Invention content
The purpose of the present invention is to provide CT picture qualities and dose of radiation body mould, to solve difficulty existing in the prior art
The technical issues of to carry out CT simulations to infant's body.
CT picture qualities and dose of radiation body mould, including cylinder and lid, lid include the first lid and the second lid, the
One lid and the second lid cover the both ends for being located at cylinder respectively, and multiple detachable parts have also been removably installed in cylinder.
CT picture qualities of the present invention and dose of radiation body mould have the beneficial effect that：
By the way that cylinder and the first lid, the second lid is arranged, and it is removably disposed detachable part wherein, it can be with
Water is poured into cylinder and lid, detachable part can be utilized to remove the organs such as bone, the lung of inside of simulation human body.
The length and diameter of the size of the entire model thorax abdomen of 1 years old children of simulation completely, is full of water background, as one to entire die body
Personalized infant's children's body mould is used to optimize children's sweep parameter of different company CT.
Preferred technical solution, supplementary features are that detachable part includes the first detachable part, detachable part
Including the first plate body, more first tube bodies are installed on the first plate body, the hollow portion with the first tube body is provided on the first plate body
The first through hole of perforation.
By the way that the first detachable part is arranged, and the first hollow tube body is set on the first detachable part, it can be with
The polystyrene bottle for being contained with different contrast agent is accommodated using the first tube body, so as to realize the contrast agent of various concentration
The determination of signal-to-noise ratio and comparison noise ratio under water mould background.
Further preferred technical solution, supplementary features are, detachable part includes the second detachable part, second
There is detachable part the second plate body, the first side of the second plate body to be equipped with conical shell, and the second side of the second plate body is set
There are multiple counterbores, each first tube body to be inserted respectively into a counterbore.
By the way that counterbore is arranged on the second plate body, can be used for accepting the polystyrene bottle placed in the first tube body.And
It uses the first tube body and the second counterbore in a manner of accommodating polystyrene bottle jointly, can make the first tube body and the second counterbore point
From that is, the side wall of accommodation space and bottom separation avoid generating dirt in the first tube body conducive to the cleaning of the first tube body.
Further preferred technical solution, supplementary features are that the first lid is equipped with the first lug boss, the first plate body
It is equipped with first positioning hole, the first lug boss is inserted in a manner of circumferentially fixed in first positioning hole.
It, can by the way that first positioning hole, and the connection for keeping it circumferentially fixed with the first lug boss on the first lid is arranged
So that the first lid keeps relative stability with the first detachable part.
Preferred technical solution, supplementary features are that detachable part includes the second detachable part, and second is detachable
There is component the second plate body, the first side of the second plate body to be equipped with conical shell, and conical shell top is connect with the second plate body.
By the way that the second detachable part is arranged, the hollow taper shell on the second detachable part, simulated lung can be utilized
The texture of the simulation such as sponge lung can be arranged in the contrast in portion in hollow conical shell, so that image is generated non-thread
Property gradient, can be used for evaluating the noise figure setting in CT automatic tube current modulation.
Preferred technical solution, supplementary features are that detachable part includes third detachable part, and third is detachable
Component includes third plate body, and the different third tube body of multiple diameters is equipped on third plate body.
By the way that third plate body is arranged, the different third tube body of diameter to be arranged on third plate body, these can be utilized straight
Can the different third tube body of diameter be distinguished by CT, to determine the ability of the resolution minimum target of CT scan.
Further preferred technical solution, supplementary features are, further include the 4th plate body, and the 4th plate body is equipped with multiple
4th counterbore, each third tube body are inserted into the 4th counterbore.
4th plate body is set, an open end of third tube body can be blocked using the 4th counterbore, when in favor of cleaning
The both ends of third tube body can be made to remain open state, to be conducive to the cleaning of third tube body.
Further preferred technical solution, supplementary features are that third tube body is installed on the one side of third plate body, the
The another side of three plate bodys is provided with third location hole, is provided with third protrusion portion on the second lid, and third protrusion portion can be with
Circumferentially fixed mode is inserted into third location hole.
It, can by the way that third location hole, and the connection for keeping it circumferentially fixed with the second lug boss on the second lid is arranged
So that the second lid keeps relative stability with third detachable part.
Further preferred technical solution, supplementary features are, detachable part includes the second detachable part, second
There is detachable part the second plate body, the first side of the second plate body to be equipped with conical shell, conical shell top and the second plate
Body connects, and the 4th plate body is equipped with fourth annular groove, and the bottom of conical shell is embedded in fourth annular groove.
By the fourth annular groove being embedded in the conical shell on the second detachable part on the 4th plate body, can make
Second detachable part is reliably connect with the 4th plate body, and detachable with third by the 4th plate body and the realization of third tube body
The connection of component.To which the first detachable part, the second detachable part, third detachable part three are finally linked to be one
A entirety, and connect with the first lid and the second lid, to realize being reliably connected for each measurement module in cylinder.
It is another object of the present invention to provide a kind of CT imaging systems, including scanner and any of the above-described CT images
Quality and dose of radiation body mould.
The CT imaging systems have all technique effects of above-mentioned CT picture qualities and dose of radiation body mould.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram of the CT picture qualities and dose of radiation body mould of the embodiment of the present invention one, is omitted in figure
The half of cylinder, clearly to show the stereoscopic appearance of all parts in cylinder；
Fig. 2 is the sectional view of embodiment one；
Fig. 3 is the stereogram of the first detachable part in embodiment one；
Fig. 4 is the first detachable part in Fig. 3, the schematic diagram from another angle；
Fig. 5 is the stereogram of the second detachable part in embodiment one；
Fig. 6 is the stereogram of the third detachable part in embodiment one.
The meaning that reference numeral used in each embodiment indicates is as follows：The first plate bodys of 11-；The first tube bodies of 12-；13-
First through hole；14- first positioning holes；The second plate bodys of 21-；22- conical shells；31- third plate bodys；32- third tube bodies；4- first
Lid；The first lug bosses of 41-；The second lids of 5-；The second lug bosses of 51-；6- cylinders；The 4th plate bodys of 7-.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
Embodiment one
As shown in figs 1 to 6, CT picture qualities and dose of radiation body mould, including cylinder and lid, lid include the first lid
Body and the second lid, the first lid and the second lid cover the both ends for being located at cylinder respectively, have also been removably installed in cylinder more
A detachable part.Specifically, the housing diameter of the cylinder is 110mm.The chest of the size of entire model 1 years old children of simulation completely
The length and diameter of abdomen is full of water background to entire die body, and infant's children's body mould as property one by one is for optimizing
Children's sweep parameter of different company CT.Each detachable part and cylinder, the first lid, the second lid, can be by polyurethane
3D printing rapid shaping.
By the way that cylinder and the first lid, the second lid is arranged, and it is removably disposed detachable part wherein, it can be with
Water is poured into cylinder and lid, detachable part can be utilized to remove the organs such as bone, the lung of inside of simulation human body,
The simulation to infant's body is realized, to carry out CT irradiations for infant.
Particularly, detachable part includes the first detachable part, and detachable part includes the first plate body, the first plate body
On more first tube bodies are installed, the first through hole penetrated through with the hollow portion of the first tube body is provided on the first plate body.Specifically,
The quantity of first tube body is 6, and 6 first tube bodies are circumferentially evenly arranged in the one side of the first plate body, 6 first tube bodies
Diameter is identical, can accommodate the polystyrene bottle of a diameter of 12mm,
Various concentration dilution diodone 270mgI/ml (prestige is depending on Parker) will be filled and physiological saline is mixed into various concentration
Diodone solution injects in 6 polystyrene bottles, the concentration of iodine from 2.1 to 20.77 mg/ml (2.1,4.42,8.71,
12.85,16.87,20.77mg I/ml) polystyrene bottle (10ml) closing be placed in the circular hole in above-mentioned body mould, each
Including 10,25,50,100,150 with the simulation of 200HU different contrast medium concentrations.
By the way that the first detachable part is arranged, and the first hollow tube body is set on the first detachable part, it can be with
The polystyrene bottle for being contained with different contrast agent is accommodated using the first tube body, is carried on the back in water mould so as to evaluate various concentration
Signal-to-noise ratio under scape and comparison noise ratio.For simulating the abdominal vascular structure of enhancing.
Further particularly, detachable part includes the second detachable part, and the second detachable part has the second plate
The first side of body, the second plate body is equipped with conical shell, and conical shell top is connect with the second plate body, and the second of the second plate body
Side is equipped with 6 counterbores, and each first tube body is inserted respectively into a counterbore.Moreover, each counterbore can be by the first tube body
Bottom lock, avoid the water in cylinder from leaking into the first tube body.
By the way that the second detachable part is arranged, the hollow taper shell on the second detachable part, simulated lung can be utilized
The texture of the different object simulations such as sponge lung can be arranged so that make in the contrast in portion in hollow conical shell
Image generates nonlinear gradient, can be used for evaluating the noise figure setting in the automatic tube current modulation of CT.
By the way that counterbore is arranged on the second plate body, can be used for accepting the polystyrene bottle placed in the first tube body.And
It uses the first tube body and the second counterbore in a manner of accommodating polystyrene bottle jointly, can make the first tube body and the second counterbore point
From that is, the side wall of accommodation space and bottom separation avoid generating dirt in the first tube body conducive to the cleaning of the first tube body.
Further particularly, the first lid be equipped with the first lug boss, the first plate body be equipped with first positioning hole, first
Lug boss is inserted in a manner of circumferentially fixed in first positioning hole.Specifically, the first lug boss can be square, accordingly
First positioning hole can also be square hole.In addition, forming the edge of first positioning hole, the first plate body can be protruded from.
It, can by the way that first positioning hole, and the connection for keeping it circumferentially fixed with the first lug boss on the first lid is arranged
So that the first lid keeps relative stability with the first detachable part.
Particularly, detachable part includes third detachable part, and third detachable part includes third plate body, third
Multiple diameters different third tube body is installed on plate body.Specifically, third tube body can have 10,10 third tube bodies are along circle
It is evenly arranged in the one side of third plate body week.The internal diameter of each third tube body, being respectively 1,2,3 ... ..., 10mm passes through
Be put into different substances into each third tube body, can detect in the case of different internal diameters by the way that third plate body is arranged, with
The different third tube body of diameter is set on third plate body, different tumor tissues can be put into.For detecting different inner diameters feelings
Image resolution ratio under condition, while the effective atomic number of the method evaluation tumor tissues of power spectrum CT and electronics can also be used close
Degree.The low contrast resolution of CT when the contrast of target in image and background is less than 1%, can differentiate the energy of minimum target
Power.Usually indicated with the size and corresponding contrast of the minimum target that can be distinguished.
Further particularly, further include the 4th plate body, the 4th plate body is equipped with multiple 4th counterbores, each third tube body
It is inserted into the 4th counterbore.
4th plate body is set, an open end of third tube body can be blocked using the 4th counterbore, when in favor of cleaning
The both ends of third tube body can be made to remain open state, to be conducive to the cleaning of third tube body.
Further particularly, third tube body is installed on the one side of third plate body, the another side setting of third plate body
There is third location hole, third protrusion portion is provided on the second lid, third protrusion portion can be inserted into a manner of circumferentially fixed
In third location hole.Specifically, third protrusion portion can be square, corresponding third location hole can also be square hole.Its
Middle third location hole can be the through-hole through third plate body.
It, can by the way that third location hole, and the connection for keeping it circumferentially fixed with the second lug boss on the second lid is arranged
So that the second lid keeps relative stability with third detachable part.
Further particularly, the 4th plate body is equipped with fourth annular groove, and the ring edge of the bottom of conical shell is embedding
Enter in fourth annular groove.
By the fourth annular groove being embedded in the conical shell on the second detachable part on the 4th plate body, can make
Second detachable part is reliably connect with the 4th plate body, and detachable with third by the 4th plate body and the realization of third tube body
The connection of component.To which the first detachable part, the second detachable part, third detachable part three are finally linked to be one
A entirety, and connect with the first lid and the second lid, to realize being reliably connected for each measurement module in cylinder.
The CT picture qualities and dose of radiation body mould of the embodiment can be based on 3D printing rapid shaping.Can utilize should
The important evaluation index that body mould needs in checking children carries out：1. image contrast, 2. automatic tube current modulation, 3. subtle solutions
The spatial resolution for cuing open structure can reach optimization collimator width, noise figure and rebuild the purpose calculated.
The operating principle of the present embodiment is：
Second lid is first mounted on to the bottom of cylinder.Then third detachable part is installed on the second lid, profit
With the cooperation in third protrusion portion and third location hole, third detachable part is positioned, and is injected accordingly into third tube body
Substance.The 4th plate body is covered on third tube body again so that the 4th counterbore on the 4th plate body is respectively fitted over third tube body
Top.It again by the bottom of the conical shell of the second detachable part, is inserted into the annular groove of the 4th plate body, so that second
Detachable part is relatively fixed with the 4th plate body.First tube body of the first detachable part is inserted into the counterbore of the second plate body again
In, it is put into polystyrene bottle into first through hole and the first tube body, to carry out the test of contrast, to evaluate various concentration in water
Signal-to-noise ratio under mould background and comparison noise ratio.After suitable water is perfused into cylinder, the first lid is covered so that first
First lug boss of lid coordinates with first positioning hole, and the first lid is fixed.
Embodiment two
As shown in figure 5, the present embodiment provides a kind of CT imaging systems, including scanner and any of the above-described CT picture qualities
With dose of radiation body mould.
The CT imaging systems have all technique effects of above-mentioned CT picture qualities and dose of radiation body mould.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.
In addition, term " first ", " second ", " third " are used for description purposes only, it is not understood to indicate or imply phase
To importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement, such as：
(1) in embodiment one, the diameter of third tube body is respectively 1,2,3,4-10mm, and quantity is 10, actually can be with
The diameter and quantity for changing third tube body, can set quantity to 8, diameter is followed successively by 1,2,3,4-8mm, substantially also may be used
To complete same function.
(2) in embodiment one, the first lug boss and first positioning hole are square, third protrusion portion and third positioning
Hole is square, and actually each lug boss and corresponding location hole are not necessarily square, can also actually be done
At other shapes, such as regular hexagon or octagon.
(3) in embodiment one, the first positioning is counterbore, and the edge for forming the counterbore protrudes from the first plate body, and actually the
A positioning hole can also be through-hole, because each first tube body is generally evenly distributed on circumference, can't cause to position
Hole and the first through hole of the first tube body of unicom are interfered.
And these modifications or replacements, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution
Range.
Claims (10)
1.CT picture qualities and dose of radiation body mould, which is characterized in that including cylinder and lid, the lid includes the first lid
With the second lid, first lid and second lid cover the both ends for being located at the cylinder respectively, may be used also in the cylinder
Multiple detachable parts are releasably installed.
2. CT picture qualities according to claim 1 and dose of radiation body mould, which is characterized in that the detachable part packet
The first detachable part is included, the detachable part includes the first plate body, and more first tube bodies are equipped on first plate body,
The first through hole penetrated through with the hollow portion of first tube body is provided on first plate body.
3. CT picture qualities according to claim 2 and dose of radiation body mould, which is characterized in that the detachable part packet
The second detachable part is included, there is second detachable part the second plate body, the first side of second plate body to be equipped with
The second side of conical shell, second plate body is equipped with multiple second counterbores, and each first tube body is inserted respectively into one
In a second counterbore.
4. CT picture qualities according to claim 2 and dose of radiation body mould, which is characterized in that set on first lid
There are the first lug boss, first plate body to be equipped with first positioning hole, first lug boss is inserted into a manner of circumferentially fixed
In the first positioning hole.
5. the CT picture qualities according to any one of claim 1-4 and dose of radiation body mould, which is characterized in that it is described can
Dismantle component include the second detachable part, second detachable part have the second plate body, the first of second plate body
Side is equipped with conical shell, and the conical shell top is connect with second plate body.
6. CT picture qualities according to claim 1 and dose of radiation body mould, which is characterized in that the detachable part packet
Third detachable part is included, the third detachable part includes third plate body, and multiple diameters are equipped on the third plate body
Different third tube bodies.
7. CT picture qualities according to claim 6 and dose of radiation body mould, which is characterized in that further include the 4th plate body,
4th plate body is equipped with multiple 4th counterbores, and each third tube body is inserted into the 4th counterbore.
8. the CT picture qualities described according to claim 6 or 7 and dose of radiation body mould, which is characterized in that the third tube body
It is installed on the one side of the third plate body, the another side of the third plate body is provided with third location hole, second lid
Third protrusion portion is provided on body, the third protrusion portion can be inserted into the third location hole in a manner of circumferentially fixed
In.
9. CT picture qualities according to claim 7 and dose of radiation body mould, which is characterized in that the detachable part packet
The second detachable part is included, there is second detachable part the second plate body, the first side of second plate body to be equipped with
Conical shell, the conical shell top are connect with second plate body, and the 4th plate body is equipped with fourth annular groove, institute
The bottom for stating conical shell is embedded in the fourth annular groove.
10. a kind of CT imaging systems, which is characterized in that include the CT picture qualities of any one of scanner and claim 1-9
With dose of radiation body mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810768882.4A CN108771547B (en) | 2018-07-13 | 2018-07-13 | CT image quality and radiation dose phantom and CT imaging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810768882.4A CN108771547B (en) | 2018-07-13 | 2018-07-13 | CT image quality and radiation dose phantom and CT imaging system |
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| US20130104678A1 (en) * | 2011-10-31 | 2013-05-02 | Institute Of Nuclear Energy Research Atomic Energy Council, Executive Yuan | Anthropomorphic phantom for medical imaging systems |
| KR101729567B1 (en) * | 2015-10-30 | 2017-04-25 | 연세대학교 원주산학협력단 | PETCT phantom |
| CN209529159U (en) * | 2018-07-13 | 2019-10-25 | 上海交通大学医学院附属上海儿童医学中心 | CT picture quality and dose of radiation body mould and CT imaging system |
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| EP2363069A1 (en) * | 2010-03-04 | 2011-09-07 | Leeds Test Objects Limited | A phantom |
| KR20120105185A (en) * | 2011-03-15 | 2012-09-25 | 서울대학교산학협력단 | Multi-purpose pet-ct phantom |
| US20130104678A1 (en) * | 2011-10-31 | 2013-05-02 | Institute Of Nuclear Energy Research Atomic Energy Council, Executive Yuan | Anthropomorphic phantom for medical imaging systems |
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