CN103598894B - A kind of PET/CT image co-registration accuracy test body mould - Google Patents
A kind of PET/CT image co-registration accuracy test body mould Download PDFInfo
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- CN103598894B CN103598894B CN201310616301.2A CN201310616301A CN103598894B CN 103598894 B CN103598894 B CN 103598894B CN 201310616301 A CN201310616301 A CN 201310616301A CN 103598894 B CN103598894 B CN 103598894B
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- cylindrical rod
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- 238000012360 testing method Methods 0.000 title claims abstract description 47
- 230000010412 perfusion Effects 0.000 claims abstract description 7
- 239000012530 fluid Substances 0.000 claims abstract description 4
- 230000013011 mating Effects 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 description 5
- 230000007812 deficiency Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 238000000275 quality assurance Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010998 test method Methods 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
- A61B6/58—Testing, adjusting or calibrating thereof
- A61B6/582—Calibration
- A61B6/583—Calibration using calibration phantoms
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- Radiology & Medical Imaging (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
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- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Apparatus For Radiation Diagnosis (AREA)
Abstract
A kind of PET/CT image co-registration accuracy test body mould, is provided with cylindrical shell, mount pad, cylindrical rod and test tube, and described mount pad is fixedly installed on described enclosure interior, and described cylindrical rod and described cuvette cartridge are assigned in described mount pad. Mount pad is set to a shrouding, shrouding is provided with for the fill orifice of perfusion fluid, for wearing the first sets of vias of described cylindrical rod and for the second sets of vias of described test tube is installed, the first circular hole that described the first sets of vias is matched by the diameter of multiple with corresponding cylindrical rod forms, and the second circular hole that described the second sets of vias is matched by the diameter of multiple with corresponding test tube forms. Also be provided with the sleeve pipe matching with cylindrical rod, cylindrical rod protrudes from the each sheathed sleeve pipe in two ends of shrouding. This mould has the feature that measuring accuracy is high, volume is small and exquisite, easy to use.
Description
Technical field
The present invention relates to PET/CT quality assurance and field of quality control, particularly relate to a kind of PET/CT image co-registration essenceDegree test body mould.
Background technology
Along with developing rapidly of technology, the level of PET/CTCT imaging technique and function have obtained continuous improvement and completeKind, for the raising of clinical medicine level and the deep development of scientific research provide favourable condition, its imaging technique becomes and facesOne of indispensable method of testing of bed diagnosis.
PET/CT image co-registration accuracy test body mould of the prior art is imaged as cylinder conventionally under CT, and under PETBe imaged as spheroid, be difficult to accurately determine centre coordinate position, cause obtained resultant error large, precision is low. And also existVolume is larger, is unfavorable for pouring into quickly and easily radioactive solution in actual mechanical process, and body after perfusion radioactive solutionThe weight of mould increases greatly, the defect that inconvenience is mobile.
Therefore,, for prior art deficiency, provide a kind of precision PET/CT image co-registration accuracy test high, easy to useBody mould is very necessary to overcome prior art deficiency.
Summary of the invention
The object of the invention is to avoid the deficiencies in the prior art part and provide a kind of PET/CT image co-registration precision to surveyExamination body mould, this mould has the feature that measuring accuracy is high, volume is small and exquisite, easy to use.
Above-mentioned purpose of the present invention realizes by following technical measures.
A kind of PET/CT image co-registration accuracy test body mould, is provided with cylindrical shell, mount pad, cylindrical rod and test tube,Described mount pad is fixedly installed on described enclosure interior, and described cylindrical rod and described cuvette cartridge are assigned in described mount pad.
Above-mentioned mount pad is set to a shrouding, and the diameter of described shrouding and the internal diameter of described housing match;
Described shrouding is provided with for the fill orifice of perfusion fluid, for wearing the first sets of vias and the use of described cylindrical rodIn the second sets of vias of described test tube is installed, described the first sets of vias matched by the diameter of multiple with corresponding cylindrical rod theOne circular hole composition, the second circular hole that described the second sets of vias is matched by the diameter of multiple with corresponding test tube forms;
Described cylindrical rod is sheathed on the first corresponding through hole, and described test tube is fixedly assemblied in the second corresponding through hole.
Above-mentioned test tube is assemblied in described the second through hole by screw.
Above-mentioned housing is provided with upper cover, side plate and lower cover, and described upper cover, described lower cover connect with described side plate sealing respectivelyConnect, described upper cover is provided with the penetrated through via holes for rigging screw, and screw is assemblied in described penetrated through via holes.
Above-mentioned PET/CT image co-registration accuracy test body mould, is also provided with the sleeve pipe matching with cylindrical rod, described sleeve pipeInternal diameter equal the external diameter of corresponding cylindrical rod, the external diameter of described sleeve pipe is greater than the diameter of first through hole corresponding with cylindrical rod;
Cylindrical rod is arranged in described shrouding, and wherein to expose one end of described shrouding nearly upper cover be upper end to cylindrical rod, cylinderRod exposes described shrouding and is lower end near one end of lower cover, and top and bottom are respectively arranged with a sleeve pipe.
The medial surface of above-mentioned upper cover is provided with the upper groove mating with the end of cylindrical rod, the medial surface setting of described lower coverHave the low groove matching with the end of cylindrical rod, in the time that cylindrical rod is assemblied in shrouding, the two ends of cylindrical rod are corresponding fixing respectivelyBe assemblied in described upper groove and described low groove.
The diameter of above-mentioned upper cover and described lower cover is 190mm, and the thickness of described upper cover and described lower cover is 10mm, instituteThe height of stating side plate is 238mm.
PET/CT image co-registration accuracy test body mould of the present invention, is provided with cylindrical shell, mount pad, cylindrical rod and examinationPipe, described mount pad is fixedly installed on described enclosure interior, and described cylindrical rod and described cuvette cartridge are assigned in described mount pad. This bodyMould adopts cylindrical-shaped structure, and experiment gained picture shape rule, has the advantages that measuring accuracy is high, volume is small and exquisite, easy to use.
Brief description of the drawings
The present invention is further illustrated to utilize accompanying drawing, but content in accompanying drawing does not form any limit of the present inventionSystem.
Fig. 1 is the structural representation of a kind of PET/CT image co-registration of the present invention accuracy test body mould;
Fig. 2 is the structural representation of the upper cover inner side of a kind of PET/CT image co-registration of the present invention accuracy test body mould;
Fig. 3 is the structural representation that a kind of PET/CT image co-registration of the present invention accuracy test body mould removes remainder after housingFigure;
Fig. 4 is the structural representation of the shrouding of a kind of PET/CT image co-registration of the present invention accuracy test body mould;
Fig. 5 is the structural representation of the lower cover inner side of a kind of PET/CT image co-registration of the present invention accuracy test body mould.
In Fig. 1 to Fig. 5, comprising:
Upper cover 110, upper groove 111, penetrated through via holes 112, side plate 120, lower cover 130, low groove 131,
Shrouding 210,
Fill orifice 211, the first through hole 212, the second through hole 213,
Cylindrical rod 300,
Test tube 400,
Sleeve pipe 500.
Detailed description of the invention
The invention will be further described with the following Examples.
Embodiment 1.
A kind of PET/CT image co-registration accuracy test body mould, as shown in Figures 1 to 5, is provided with cylindrical shell, installationSeat, cylindrical rod 300 and test tube 400, mount pad is fixedly installed on enclosure interior, and cylindrical rod 300 and test tube 400 are assemblied in installationSeat.
Housing is provided with upper cover 110, side plate 120 and lower cover 130, and upper cover 110, lower cover 130 connect with side plate 120 sealings respectivelyConnect, upper cover 110 is provided with the penetrated through via holes 112 for rigging screw, and screw is assemblied in penetrated through via holes 112. Can by screwEasily housing is taken off or be assemblied in to upper cover 110.
Mount pad is set to a shrouding 210, and the diameter of shrouding 210 and the internal diameter of housing match, preferred shrouding 210Diameter equates with the internal diameter of housing or the internal diameter that is slightly less than housing is good.
Shrouding 210 be provided with for the fill orifice 211 of perfusion fluid, for wear cylindrical rod 300 the first sets of vias andFor the second sets of vias that test tube 400 is installed, the first sets of vias matched by the diameter of multiple with corresponding cylindrical rod 300 theOne through hole composition, the second through hole that the second sets of vias is matched by the diameter of multiple with corresponding test tube 400 forms. Cylindrical rod300 are sheathed on the first corresponding through hole 212, and test tube 400 is fixedly assemblied in the second corresponding through hole 213.
It is different that this body mould is provided with the diameter of 300, four cylindrical rods 300 of four cylindrical rods that are parallel to each other, asThe common practise of this area, the diameter of first through hole 212 corresponding with every cylindrical rod 300 can be according to the size of cylindrical rod 300Correspondence arranges, so that cylindrical rod 300 is matched with the first corresponding through hole 212.
It should be noted that, the quantity of body mould and thickness are not limited only to the situation of the present embodiment, also can basisActual needs arranges flexibly, and equal diameters or part that four cylindrical rods 300 can be set equate, the first corresponding through hole212 size is also carried out correspondence adjustment according to the thickness of cylindrical rod 300.
Test tube 400 can be assemblied in the second through hole 213 by screw, and the insertion portion of screw inserts test tube 400 and test tube 400Be fixedly connected with, the cover part area of screw is greater than the second through hole 213, so just test tube 400 can be fixed on to the second through hole213。
This PET/CT image co-registration accuracy test body mould, is also provided with the sleeve pipe 500 matching with cylindrical rod 300, sleeve pipe500 internal diameter equals the external diameter of corresponding cylindrical rod 300, and the external diameter of sleeve pipe 500 is greater than first through hole corresponding with cylindrical rod 300212 diameter.
Cylindrical rod 300 is arranged in shrouding 210, and wherein to expose one end of shrouding 210 nearly upper covers 110 be upper to cylindrical rod 300End, cylindrical rod 300 exposes shrouding 210 and is lower end near one end of lower cover 130, and top and bottom are respectively arranged with a sleeve pipe500. Can adjust the position relationship of shrouding 210 by the length specification of sleeve pipe, there is assembling stable, feature easy to use.
The medial surface of upper cover 110 is provided with the upper groove 111 mating with the end of cylindrical rod 300, the medial surface of lower cover 130Be provided with the low groove 131 matching with the end of cylindrical rod 300, in the time that cylindrical rod 300 is assemblied in shrouding 210, cylindrical rod 300Two ends be correspondingly respectively fixedly assemblied in upper groove 111 and low groove 131, to cylindrical rod 300 is realized to good location.
This PET/CT image co-registration accuracy test body mould, adopts cylindrical-shaped structure setting, can reduce the overall body of body mouldLong-pending, easy to use. By mount pad, cylindrical rod 300 and test tube 400 are installed, can be to the interior perfusion high concentration of test tube 400 when testRadioactive solution as experiment hot-zone, cylindrical rod 300 is as experiment cold-zones. By the experimental result energy of comparison hot-zone and cold-zoneEffectively obtain the fusion accuracy of image.
Use this body mould to carry out image co-registration accuracy test, easy to operate, be convenient to perfusion with mobile. By cylindrical rod 300With test tube 400 simulated experiment hot-zone and cold-zones, experiment gained picture shape rule, can guarantee subsequent calculations the degree of accuracy, subtractLittle error amount, has the advantages that measuring accuracy is high.
Embodiment 2.
A kind of PET/CT image co-registration accuracy test body mould, other structure is identical with embodiment 1, also has following technology spyLevy: the diameter of upper cover 110 and lower cover 130 is 190mm, the thickness of upper cover 110 and lower cover 130 is 10mm, the height of side plate 120Degree is 238mm. The volume body model volume more of the prior art of this body mould has dwindled one times, have easy to operate, measuring accuracyHigh feature.
It should be noted that, above-mentioned size is a kind of situation of PET/CT image co-registration accuracy test body mould of the present invention,In actual use, can adjust flexibly as the case may be.
Finally it should be noted that above embodiment is only in order to technical scheme of the present invention to be described but not the present invention is protectedThe restriction of scope, although the present invention is explained in detail with reference to preferred embodiment, those of ordinary skill in the art should manageSeparate, can modify or be equal to replacement technical scheme of the present invention, and do not depart from technical solution of the present invention essence andScope.
Claims (1)
1. a PET/CT image co-registration accuracy test body mould, is characterized in that: be provided with cylindrical shell, mount pad, cylinderRod and test tube, described mount pad is fixedly installed on described enclosure interior, and described cylindrical rod and described cuvette cartridge are assigned in described installationSeat;
Described mount pad is set to a shrouding, and the diameter of described shrouding and the internal diameter of described housing match;
Described shrouding be provided with for the fill orifice of perfusion fluid, for wear the first sets of vias of described cylindrical rod and for peaceFill the second sets of vias of described test tube, the first circle that described the first sets of vias is matched by the diameter of multiple with corresponding cylindrical rodHole composition, the second circular hole that described the second sets of vias is matched by the diameter of multiple with corresponding test tube forms;
Described cylindrical rod is sheathed on the first corresponding through hole, and described test tube is fixedly assemblied in the second corresponding through hole;
Described test tube is assemblied in described the second through hole by screw;
Described housing is provided with upper cover, side plate and lower cover, and described upper cover, described lower cover are tightly connected with described side plate respectively, instituteState upper cover and be provided with the penetrated through via holes for rigging screw, screw is assemblied in described penetrated through via holes;
Also be provided with the sleeve pipe matching with cylindrical rod, the internal diameter of described sleeve pipe equals the external diameter of corresponding cylindrical rod, described coverThe external diameter of pipe is greater than the diameter of first through hole corresponding with cylindrical rod;
Cylindrical rod is arranged in described shrouding, and wherein to expose one end of described shrouding nearly upper cover be upper end to cylindrical rod, and cylindrical rod revealsThe one end that goes out described shrouding close lower cover is lower end, and top and bottom are respectively arranged with a sleeve pipe;
The medial surface of described upper cover is provided with the upper groove mating with the end of cylindrical rod, the medial surface of described lower cover be provided withThe low groove that the end of cylindrical rod matches, in the time that cylindrical rod is assemblied in shrouding, the two ends of cylindrical rod are corresponding fixing assembling respectivelyIn described upper groove and described low groove;
The diameter of described upper cover and described lower cover is 190mm, and the thickness of described upper cover and described lower cover is 10mm, described sideThe height of plate is 238mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310616301.2A CN103598894B (en) | 2013-11-28 | 2013-11-28 | A kind of PET/CT image co-registration accuracy test body mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310616301.2A CN103598894B (en) | 2013-11-28 | 2013-11-28 | A kind of PET/CT image co-registration accuracy test body mould |
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| CN103598894A CN103598894A (en) | 2014-02-26 |
| CN103598894B true CN103598894B (en) | 2016-05-11 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103584878B (en) * | 2013-11-27 | 2016-02-10 | 北京市医疗器械检验所 | Multi-mode registration test method and equipment |
| KR101851982B1 (en) | 2016-06-13 | 2018-04-25 | 청주대학교 산학협력단 | CT phantom unit |
| CN107080552B (en) * | 2017-06-06 | 2023-07-25 | 泰山医学院 | Body model for testing imaging quality of various medical X-ray devices, system and method thereof |
| CN108553117A (en) * | 2018-01-10 | 2018-09-21 | 余晓锷 | A kind of body mould of power spectrum CT picture qualities detection |
| KR101851978B1 (en) | 2018-02-06 | 2018-04-25 | 청주대학교 산학협력단 | CT phantom unit |
| CN111053567B (en) * | 2020-01-06 | 2024-05-07 | 中国计量科学研究院 | PET/CT performance detection die body and image evaluation method |
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