CN111345836A - CT/MR customized image omics quality control die body - Google Patents
CT/MR customized image omics quality control die body Download PDFInfo
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- CN111345836A CN111345836A CN202010152956.9A CN202010152956A CN111345836A CN 111345836 A CN111345836 A CN 111345836A CN 202010152956 A CN202010152956 A CN 202010152956A CN 111345836 A CN111345836 A CN 111345836A
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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
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0033—Features or image-related aspects of imaging apparatus, e.g. for MRI, optical tomography or impedance tomography apparatus; Arrangements of imaging apparatus in a room
- A61B5/0035—Features or image-related aspects of imaging apparatus, e.g. for MRI, optical tomography or impedance tomography apparatus; Arrangements of imaging apparatus in a room adapted for acquisition of images from more than one imaging mode, e.g. combining MRI and optical tomography
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
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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
- A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
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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
- A61B6/4417—Constructional features of apparatus for radiation diagnosis related to combined acquisition of different diagnostic modalities
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Abstract
The invention relates to the field of CT/MR image quality control and image omics characteristic verification, in particular to a CT/MR customized image omics quality control die body which is light, portable, safe and firm, is not easy to damage and effectively solves the problems in the background technology. Including the location platform, the location platform wholly be flat cylindrical structure, location platform upper surface central point put and to have inlayed first cavity, the annular distribution has a plurality of second cavities around the first cavity, be equipped with respectively in first cavity and the second cavity in the middle of inserting the bottle and insert the bottle all around, the middle bottle of inserting and insert the bottle all around and be seal structure. The operation is simple, the use is convenient, and the device is suitable for various places.
Description
Technical Field
The invention relates to the field of CT/MR image quality control and image omics characteristic verification, in particular to a CT/MR customized image omics quality control die body.
Background
CT/MR image quality is an important factor in the diagnosis of imaging diseases. The traditional CT/MR quality control mold body usually takes a fixed uniform mold body as the main part, and takes homogeneous water or solid structures with different densities as the main part in schedule quality control. The method can not reflect the step change of image quality along with the density or components of the material, and has the defects of a plurality of information extraction difference influence factors, incapability of reflecting continuous dynamic change of the image, incapability of quantifying the influence of a contrast agent on the image quality, requirement of repeated scanning and the like in the characteristics extraction, analysis and quality control of the image omics.
The main reasons that have not been addressed in the industry are: firstly, the quality control equipment of the CT/MR mainly takes import as a main part, and no production and design unit exists in China basically; secondly, the CT/MR image quality control has higher requirement on the uniformity of the substance, the high uniformity of solid substance particles is realized, the process is more complex, and the liquid substance is the most ideal quality control carrier theoretically; thirdly, the imaging group technology is introduced into clinical application in 2012, the quality control of the imaging group is still in a starting stage, and the research and development work of the imaging group quality control die body is relatively laggard; fourth, in order to realize the clinical cooperation of multi-center imaging omics, a portable, safe and firm quality control phantom must be designed, and the current quality control phantom is easy to damage and is not suitable for long-time and multi-center repeated application.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a CT/MR customized image omics quality control die body which is light, portable, safe and firm, is not easy to damage, and effectively solves the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a CT/MR customized imaging omics quality control die body is characterized in that: including the location platform, the location platform wholly be flat cylindrical structure, location platform upper surface central point put and to have inlayed first cavity, the annular distribution has a plurality of second cavities around the first cavity, be equipped with respectively in first cavity and the second cavity in the middle of inserting the bottle and insert the bottle all around, the middle bottle of inserting and insert the bottle all around and be seal structure.
Preferably, the middle bottle inserting structure and the peripheral bottle inserting structure are the same and respectively comprise a cylindrical bottle body, a bottle cap is arranged at the upper end of the bottle body, a screw hole is embedded in the top of the bottle cap, a bolt is screwed in the screw hole from outside to inside, and a sealing gasket is arranged between the outer end of the bolt and the upper surface of the screw hole.
Preferably, the outer surface of the bottle cap is provided with an external thread, and the inner surfaces of the upper edge openings of the first cavity and the second cavity are provided with an internal thread matched with the external thread.
Preferably, the center of the upper surface of the bottle cap is embedded with a clamping groove matched with the sealing gasket.
Preferably, the number of the second cavities is 8.
Preferably, the positioning table is made of nonmagnetic and equal-density materials.
Preferably, the diameter of the inner cavity of the middle insert bottle is 50mm, and the diameter of the inner cavity of the peripheral insert bottle is 30 mm.
Preferably, a plurality of cross lines are uniformly carved on the lateral peripheral surface of the positioning table.
Preferably, the mold body is made of engineering plastics, and the density of the positioning table, the middle bottle inserting and the peripheral bottle inserting is about 0.95g/cm3。
Compared with the prior art, the invention provides a CT/MR customized imaging omics quality control die body, which has the following beneficial effects:
1. the invention is portable and firm, and has good liquid tightness; and can be imaged in CT/MR; the internal quality control substance is uniform liquid with different densities (concentrations); and can be used for quality control of multi-center cooperation; the liquid can also be replaced in real time according to the requirement.
2. When the CT/MR quality control is carried out, homogeneous purified water can be used, and liquid (such as sodium salt, potassium salt or calcium salt) with different components can be used for image acquisition, and then the influence of the liquid formed by difference on the image quality is analyzed through image omics. Meanwhile, contrast agents (iodine contrast agent for CT quality control and gadolinium contrast agent for MR quality control) with different concentrations can be injected into the middle insert bottle and the peripheral insert bottles, and the influence of the contrast agent concentration step change on the image quality and the image omics characteristic extraction is analyzed, so that the basis is provided for the quality control and the maintenance of CT/MR equipment, the image quality is further ensured, and the detection and diagnosis accuracy of diseases is improved.
3. The invention breaks through the traditional concept of relying on an imported solid die body to carry out CT/MR image quality control, and changes a solid quality control material into a replaceable liquid material; the replaceable liquid quality control die body can not only finish the conventional CT/MR image quality control project, but also measure the gray change of the image; and the influence of different concentrations of contrast agents or different component liquids on image quality and the extraction of the characteristics of the image group can be verified.
4. The invention breaks through the traditional concept of mainly using solid matters with fixed density from the international published or exhibited similar products, realizes the image quality control of replaceable uniform liquid, provides a feasible method for realizing the multi-dimensional parameter quality control of CT/MR images, fills the blank in the industry and has wide clinical application prospect.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is an enlarged view of the body of the bottle engaged with the bolt.
The following are marked in the figure:
1. a positioning table; 11. a first cavity; 12. a cross line; 2. inserting a bottle in the middle; 21. a bottle body; 22. a bottle cap; 23. a screw hole; 24. a gasket; 25. a bolt; 26. a card slot; 3. inserting the bottle around.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, a CT/MR customized imaging omics quality control die body comprises a positioning table 1, wherein the positioning table 1 is integrally of a flat cylindrical structure, a first cavity 11 is embedded in the center of the upper surface of the positioning table 1, a plurality of second cavities (not shown) are annularly distributed around the first cavity 11, a middle insert bottle 2 and a peripheral insert bottle 3 are respectively arranged in the first cavity 11 and the second cavity, and the middle insert bottle 2 and the peripheral insert bottle 3 are of a sealing structure.
In the above embodiment, the middle insert bottle 2 and the peripheral insert bottles 3 have the same structure, and both include a cylindrical bottle body 21, the upper end of the bottle body 21 is provided with a bottle cap 22 (which is integrated with the bottle body 21 and is inseparable), the top of the bottle cap 22 is embedded with a screw hole 23, a bolt 25 is screwed into the screw hole 23 from outside to inside, and a sealing gasket 24 is arranged between the outer end of the bolt 25 and the upper surface of the screw hole 23.
In the above embodiment, specifically, the outer surface (bottom) of the bottle cap 22 is provided with an external thread, and the inner surfaces of the upper edges of the first cavity 11 and the second cavity are provided with an internal thread matched with the external thread.
In the above embodiment, specifically, the central position of the upper surface of the bottle cap 22 is embedded with a clamping groove 26 matched with the sealing gasket 24, and forms a step with the screw hole 23.
In the above embodiment, specifically, the number of the second cavities is 8.
In the above embodiment, the positioning table 1 is made of a non-magnetic material with equal density.
In the above embodiment, specifically, the diameter of the inner cavity of the middle insert bottle 2 is 50mm, and the diameter of the inner cavity of the peripheral insert bottle 3 is 30 mm.
In the above embodiment, more specifically, the peripheral surface of the positioning table 1 is evenly carved with a plurality of cross lines 12. The laser lamp verifies that the horizontal lines are in the same plane.
In the above embodiment, more specifically, the mold body of the present invention is made of engineering plastics, and the density of the positioning table 1, the middle bottle 2 and the peripheral bottle 3 is about 0.95g/cm3。
The working principle is as follows: pouring liquid into bottles (the middle bottle 2 and the peripheral bottle 3) through the screw holes 23, and paying attention to the bottles; air bubbles may be generated during the pouring process. The bubble removing method comprises the following steps: when the liquid approaches the upper surface of the screw hole 23, the pouring of the liquid is stopped. The bottle body is placed on a plane and vibrated for a plurality of times, and when no bubble exists in the bottle body through light observation, liquid is continuously poured until the liquid is level with the upper plane. When the liquid overflows, the sealing ring is placed in the step, the bolt 25 is screwed in immediately, and the liquid in the step is at least flush with the upper plane when the bolt 25 is screwed in. Wherein, the bottle cap 22 and the bottle 21 are integrated and can not be separated. After the bottle body 21 is filled, the bottle body can be wiped clean by a configured towel.
The components used in the present invention are all common standard components or components known to those skilled in the art, and the structure and principle thereof are well known to those skilled in the art.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A CT/MR customized imaging omics quality control die body is characterized in that: including the location platform, the location platform wholly be flat cylindrical structure, location platform upper surface central point put and to have inlayed first cavity, the annular distribution has a plurality of second cavities around the first cavity, be equipped with respectively in first cavity and the second cavity in the middle of inserting the bottle and insert the bottle all around, the middle bottle of inserting and insert the bottle all around and be seal structure.
2. The CT/MR customized imaging omics quality control phantom according to claim 1, wherein: the middle bottle inserting structure and the peripheral bottle inserting structure are the same and respectively comprise a cylindrical bottle body, a bottle cap is arranged at the upper end of the bottle body, a screw hole is embedded in the top of the bottle cap, a bolt is screwed in the screw hole from outside to inside, and a sealing gasket is arranged between the outer end of the bolt and the upper surface of the screw hole.
3. The CT/MR customized imaging omics quality control phantom according to claim 2, wherein: the outer surface of the bottle cap is provided with external threads, and the inner surfaces of the upper edge openings of the first cavity and the second cavity are provided with internal threads matched with the external threads.
4. The CT/MR customized imaging omics quality control phantom according to claim 2, wherein: the center of the upper surface of the bottle cap is embedded with a clamping groove matched with the sealing gasket.
5. The CT/MR customized imaging omics quality control phantom according to claim 1, wherein: the number of the second cavities is 8.
6. The CT/MR customized imaging omics quality control phantom according to claim 1, wherein: the positioning table is made of nonmagnetic and isopycnic materials.
7. The CT/MR customized imaging omics quality control phantom according to claim 1, wherein: the diameter of the inner cavity of the middle inserted bottle is 50mm, and the diameter of the inner cavity of the peripheral inserted bottles is 30 mm.
8. The CT/MR customized imaging omics quality control phantom according to claim 1, wherein: the side circumference of the positioning table is evenly carved with a plurality of cross lines.
9. The CT/MR customized imaging omics quality control phantom according to claim 1, wherein: the inventionThe mold body is made of engineering plastics, and the density of the positioning table, the middle bottle inserting and the peripheral bottle inserting is about 0.95g/cm3。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010152956.9A CN111345836A (en) | 2020-03-06 | 2020-03-06 | CT/MR customized image omics quality control die body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010152956.9A CN111345836A (en) | 2020-03-06 | 2020-03-06 | CT/MR customized image omics quality control die body |
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| Publication Number | Publication Date |
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| CN111345836A true CN111345836A (en) | 2020-06-30 |
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| CN202010152956.9A Pending CN111345836A (en) | 2020-03-06 | 2020-03-06 | CT/MR customized image omics quality control die body |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113081008A (en) * | 2021-03-24 | 2021-07-09 | 上海京悦机械有限公司 | Medical instrument die body |
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| CN208048731U (en) * | 2017-07-03 | 2018-11-06 | 上海交通大学医学院附属上海儿童医学中心 | Contrast medium concentration test device and scanning device |
| CN109770929A (en) * | 2017-11-14 | 2019-05-21 | 上海西门子医疗器械有限公司 | Die body component |
| CN209332075U (en) * | 2018-06-22 | 2019-09-03 | 上海联影医疗科技有限公司 | Die body |
| CN110441335A (en) * | 2019-08-12 | 2019-11-12 | 山东省肿瘤防治研究院（山东省肿瘤医院） | Evaluate the texture mimics device and motion module of image group textural characteristics stability |
| CN110720940A (en) * | 2019-10-31 | 2020-01-24 | 南京安科医疗科技有限公司 | Die body and application thereof in CT detection system |
| CN110840475A (en) * | 2019-12-11 | 2020-02-28 | 上海联影医疗科技有限公司 | Phantom and multimodal medical imaging system with the same |
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2020
- 2020-03-06 CN CN202010152956.9A patent/CN111345836A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208048731U (en) * | 2017-07-03 | 2018-11-06 | 上海交通大学医学院附属上海儿童医学中心 | Contrast medium concentration test device and scanning device |
| CN109770929A (en) * | 2017-11-14 | 2019-05-21 | 上海西门子医疗器械有限公司 | Die body component |
| CN209332075U (en) * | 2018-06-22 | 2019-09-03 | 上海联影医疗科技有限公司 | Die body |
| CN110441335A (en) * | 2019-08-12 | 2019-11-12 | 山东省肿瘤防治研究院（山东省肿瘤医院） | Evaluate the texture mimics device and motion module of image group textural characteristics stability |
| CN110720940A (en) * | 2019-10-31 | 2020-01-24 | 南京安科医疗科技有限公司 | Die body and application thereof in CT detection system |
| CN110840475A (en) * | 2019-12-11 | 2020-02-28 | 上海联影医疗科技有限公司 | Phantom and multimodal medical imaging system with the same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113081008A (en) * | 2021-03-24 | 2021-07-09 | 上海京悦机械有限公司 | Medical instrument die body |
| CN113081008B (en) * | 2021-03-24 | 2024-04-19 | 上海京悦机械有限公司 | Medical instrument die body |
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Application publication date: 20200630 |
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