CN108514413B - Dewar biological magnetic detection system, design method/system thereof and readable storage medium - Google Patents

Dewar biological magnetic detection system, design method/system thereof and readable storage medium Download PDF

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Publication number
CN108514413B
CN108514413B CN201810300374.3A CN201810300374A CN108514413B CN 108514413 B CN108514413 B CN 108514413B CN 201810300374 A CN201810300374 A CN 201810300374A CN 108514413 B CN108514413 B CN 108514413B
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dewar
detection system
magnetic detection
shape
magnetic
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CN108514413A (en
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倪煊中
曾曹宁
田友权
王月霞
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Mandi Medical Instrument Shanghai Co ltd
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Mandi Medical Instrument Shanghai Co ltd
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/24Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/242Detecting biomagnetic fields, e.g. magnetic fields produced by bioelectric currents
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2560/00Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
    • A61B2560/02Operational features
    • A61B2560/0266Operational features for monitoring or limiting apparatus function
    • A61B2560/0276Determining malfunction
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/04Arrangements of multiple sensors of the same type
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/16Details of sensor housings or probes; Details of structural supports for sensors

Abstract

The invention provides a Dewar biological magnetic detection system, a design method/system and a readable storage medium thereof, wherein the design method comprises the following steps: acquiring the shape of a to-be-detected living body part, and setting a support framework of the Dewar biological magnetic detection system into a shape matched with the shape of the to-be-detected living body part; acquiring the area of a region of a living body part to be detected and the single Dewar area of the Dewar selected according to the requirement; calculating the number of Dewar according to the area of the region of the living body part to be detected and the product of a single Du Wamian; designing a shape formed by the dewar according to the calculated number of the dewar and the shape of the supporting framework; after the Dewar biological magnetic detection system is assembled, magnetic signals acquired by a plurality of Dewar are received, and the magnetic signals are detected. The invention can design a supporting framework which is suitable for various functions according to the functional requirements, a plurality of small Dewar tiles which are the same are directly arranged on the supporting framework, the Dewar angles are adjusted, and the biological magnetic detection system aiming at various requirements of human biological magnetic is assembled and combined.

Description

Dewar biological magnetic detection system, design method/system thereof and readable storage medium
Technical Field
The invention belongs to the technical field of biological magnetic detection, relates to a design method and a system, in particular to a Dewar biological magnetic detection system, a design method/system and a readable storage medium.
Background
A superconducting quantum interference device (Superconducting Quantum Interference Device, hereinafter SQUID) is a magnetic sensor with ultra-high sensitivity. The detection resolution can reach 10-15 Tesla, and the magnetic sensor is a magnetic sensor for researching the primary choice of biological magnetic fields such as magnetocardiogram, magnetoencephalography, magnetooculogram, magnetomusculature and the like. The multi-channel SQUID magnetic sensor array has been manufactured into a multi-channel magnetocardiography instrument (such as 36-channel magnetocardiography instrument and 64-channel magnetocardiography instrument) and a magnetoencephalography instrument (such as hundreds of channels) at present and applied to magnetic imaging research, such as early diagnosis of coronary heart disease and early detection of brain tumor and other research, and has important reference value.
For the low-temperature Dewar of biological magnetism such as heart magnetism (including fetal heart magnetism), brain magnetism, eye magnetism, various muscle magnetism and the like, a detection system of a quantum superconducting sensor is adopted, and the number and the morphological characteristics of spatial distribution of sensors of the adopted detector are different due to different detected objects. Such as a magnetoencephalometer, requires a large Dewar, in which hundreds of sensors are arranged in the shape of the head; and the magnetocardiogram can meet the detection requirement only by dozens of times; for eye magnetism, the space shape requirement of the Dewar is more special and the expression is smaller; while various muscle magnetometers may employ an elongate shape rather than a generally cylindrical shape.
However, the current bio-magnetic detection system is manufactured into a large Dewar with uniform specification, and is used for bio-magnetic research after a fixed mode. The Dewar has greatly reduced flexibility and compatibility, needs different magnetic signal acquisition imaging analysis software, and has great cost when one sensor is damaged and the whole detection system is required to be replaced.
Therefore, how to provide a Dewar bio-magnetic detection system, a design method/system thereof and a readable storage medium thereof, so as to solve the technical problems of the prior art that the Dewar bio-magnetic detection system has poor flexibility and compatibility, and when one sensor is damaged, the whole detection system needs to be replaced, resulting in high cost and the like, has been a technical problem to be solved by those skilled in the art.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a Dewar bio-magnetic detection system, a design method/system thereof, and a readable storage medium for solving the problems of Dewar flexibility and poor compatibility of the prior art bio-magnetic detection system, and the problem of high cost caused by the need of replacing the whole detection system when one sensor is damaged.
To achieve the above and other related objects, according to one aspect of the present invention, there is provided a method for designing a Dewar bio-magnetic detection system for detecting magnetic signals of different parts of a living body; the design method of the Dewar biological magnetic detection system comprises the following steps: acquiring the shape of a to-be-detected living body part, and setting a support framework of the Dewar biological magnetic detection system to be a shape matched with the shape of the to-be-detected living body part; acquiring the area of a region of a living body part to be detected and the single Dewar area of the Dewar selected according to the requirement; calculating the number of Dewar according to the area of the to-be-detected living body part and the product of a single Du Wamian; designing a shape formed by the dewar according to the calculated number of the dewar and the shape of the supporting framework; and after the Dewar biological magnetic detection system is assembled, receiving magnetic signals acquired by a plurality of Dewar, and detecting the magnetic signals.
In an embodiment of the invention, the step of detecting the magnetic signal includes: judging whether the magnetic signal is a waveform signal or not; if yes, the magnetic signal is indicated to be a valid signal; if not, the magnetic signal is an invalid signal, and the invalid signal is processed; the step of processing the invalid signal comprises: removing noise in the invalid signal through spectrum analysis; or filtering the nullified signal.
In an embodiment of the present invention, the method for designing a dewar bio-magnetic detection system further includes sending an instruction command while processing the invalid signal; the indication command is used for indicating the Dewar biological magnetic detection system to be adjusted to be away from the part of the living body to be detected by a preset adjustment distance.
In an embodiment of the invention, the design method of the Dewar bio-magnetic detection system further includes sending an inspection instruction for inspecting damaged Dewar after the magnetic signal is not received.
In one embodiment of the present invention, the calculation formula for calculating the Dewar number is: number of dewar = area of the vital part to be detected/area of single dewar.
The invention further provides a design system of the Dewar biological magnetic detection system, which is used for detecting magnetic signals of different parts of a living body; the design system of the Dewar biological magnetic detection system comprises: the first acquisition module is used for acquiring the shape of the part of the living body to be detected and setting the support framework of the Dewar biological magnetic detection system into a shape matched with the shape of the part of the living body to be detected; the second acquisition module is used for acquiring the area of the region of the living body part to be detected and the single Dewar area of the Dewar selected according to the requirement; the calculation module is used for calculating the number of the Dewar according to the area of the region of the life body part to be detected and the product of a single Du Wamian; the design module is used for designing the shape formed by the dewar according to the calculated number of the dewar and the shape set by the supporting framework; and the processing module is used for receiving the magnetic signals acquired by the Dewar after the Dewar biological magnetic detection system is assembled, and detecting the magnetic signals.
In yet another aspect, the present invention provides a Dewar bio-magnetic detection system comprising: the shape of the supporting framework is matched with the shape of the part of the living body to be detected; at least two mounting holes are uniformly formed in the support framework; at least two Dewar are inserted into the mounting holes one by one.
In one embodiment of the invention, a plurality of magnets for detecting the position of the living body to be detected are arranged in each Dewar
A sensor; the magnetic sensors can be distributed according to the area trend of the detection area. In an embodiment of the present invention, the Dewar bio-magnetic detection system selects and arranges Du Waxing cardiac magnetic detection system, brain magnetic detection system, eye magnetic detection system and muscle magnetic detection system according to functional requirements; magnetic sensors include all sensors applied to human biomagnetism.
In an embodiment of the invention, the Dewar bio-magnetic detection system further includes a clamping portion for clamping the Dewar in the mounting hole.
In an embodiment of the invention, the shape of the support frame comprises a helmet shape, a circular shape, a rectangular shape and/or a fan shape.
In one embodiment of the present invention, if the number of dewars exceeds 2, the distance between each dewar is equal.
A final aspect of the invention provides a readable storage medium having stored thereon a computer program which when executed by a processor implements a method of designing a dewar bio-magnetic detection system.
As described above, the Dewar bio-magnetic detection system, the design method/system thereof, and the readable storage medium of the present invention have the following advantages:
the Dewar biological magnetic detection system, the design method/system and the readable storage medium thereof can be used for various applications of the positions, the shapes and the particularities of detection points of human biological magnetic, can be designed and adapted to various support frameworks with different functions according to functional requirements (the shapes are not limited), a plurality of identical small Dewar are directly arranged on a fixed support framework, and the Dewar angles are adjusted, so that various biological magnetic detection systems aiming at various requirements of human biological magnetic can be assembled and combined; the invention can only replace small Dewar at the damaged part of the component, and has high integration, high repairability and high cost performance. Meanwhile, the adopted magnetic signal acquisition imaging analysis software has intelligence, is suitable for detection systems with various functions, and greatly reduces the manufacturing cost. By the design method, the whole system does not need to be replaced when the parts are damaged, and the defects of single function, intelligence and the like are overcome.
Drawings
FIG. 1 is a flow chart of a design method of the Dewar bio-magnetic detection system according to an embodiment of the invention.
FIG. 2A is a schematic diagram showing a perspective view of a Dewar type biological magnetic detection system for a head according to the method of designing Dewar type biological magnetic detection system of the present invention.
Fig. 2B is a schematic diagram showing a perspective structure of a Dewar type bio-magnetic detection system for heart according to the present invention.
FIG. 2C is a schematic diagram showing a perspective view of a Dewar bio-magnetic detection system for muscle according to the method of designing Dewar bio-magnetic detection system of the present invention
Fig. 2D is a schematic diagram showing a perspective structure of a dewar bio-magnetic detection system for eyes according to the design method of the dewar bio-magnetic detection system.
FIG. 3 is a schematic flow chart of S15 in the design method of the Dewar bio-magnetic detection system according to the present invention.
FIG. 4 is a schematic diagram of a design system of the Dewar bio-magnetic detection system according to the present invention in an embodiment.
Fig. 5 shows a schematic structural diagram of the Dewar bio-magnetic detection system for head according to the present invention.
Description of element reference numerals
4. Design system of Dewar biological magnetic detection system
41. First acquisition module
42. Second acquisition module
43. Calculation module
44. Design module
45. Processing module
5. Dewar biological magnetic detection system
51. Support frame
52. Mounting hole
53. Dewar
54. Fastening part
S11 to S15 steps
Steps S151 to S155
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict.
It should be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present invention by way of illustration, and only the components related to the present invention are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.
Example 1
The embodiment provides a design method of a Dewar biological magnetic detection system, wherein the Dewar biological magnetic detection system is used for detecting magnetic signals of different parts of a living body; the design method of the Dewar biological magnetic detection system comprises the following steps:
acquiring the shape of a to-be-detected living body part, and setting a support framework of the Dewar biological magnetic detection system to be a shape matched with the shape of the to-be-detected living body part;
acquiring the area of a region of a living body part to be detected and the single Dewar area of the Dewar selected according to the requirement;
calculating the number of Dewar according to the area of the to-be-detected living body part and the product of a single Du Wamian;
designing a shape formed by the dewar according to the calculated number of the dewar and the shape of the supporting framework;
and after the Dewar biological magnetic detection system is assembled, receiving magnetic signals acquired by a plurality of Dewar, and detecting the magnetic signals.
The following describes in detail the design method of the Dewar bio-magnetic detection system provided in this embodiment with reference to the drawings. In this embodiment, the Dewar bio-magnetic detection system may be designed according to a design method of the Dewar bio-magnetic detection system.
Referring to fig. 1, a flow chart of a method for designing a Dewar bio-magnetic detection system is shown in an embodiment. As shown in FIG. 1, the design method of the Dewar biological magnetic detection system specifically comprises the following steps:
s11, acquiring the shape of the part of the living body to be detected, and setting the support framework of the Dewar biological magnetic detection system to be matched with the shape of the part of the living body to be detected. In this embodiment, the living body part to be detected is scanned by a scanner.
In this embodiment, the living body part to be detected is a human body part to be detected, for example, a head part, a heart part, a chest part, an eye part, each muscle part, and the like.
For example, the scanner has an ellipsoidal scanning head, a flat heart and chest, and a fan-shaped eye and muscle.
S12, acquiring the area of the region of the living body part to be detected and the single Dewar area of the Dewar selected according to the requirement. In this embodiment, a living body part to be detected is scanned by a scanner, and the shape of the living body part to be detected is obtained. And obtaining the area A of the living body part to be detected according to the existing area calculation method. For example, the area a of the head portion, the area a of the heart portion and the chest portion, and the area a of the eye portion and each muscle portion are acquired.
In this embodiment, different types of dewar may be selected according to the requirements, and a single Du Wamian product B is obtained.
S13, calculating the Dewar number C according to the area of the to-be-detected living body part and the product of the single Du Wamian.
Specifically, the calculation formula for calculating the number of dewar is:
number of dewar = area of the vital part to be detected/area of individual dewar, i.e. C = a/B.
In this embodiment, C is an integer.
S14, designing the shape formed by the dewar according to the calculated number of the dewar and the shape of the supporting framework. Referring to fig. 2A, 2B, 2C and 2D, schematic perspective views of a dewar bio-magnetic detection system for head, heart, muscle and eyes according to the design method of the dewar bio-magnetic detection system are shown. As shown in fig. 2A, 2B, 2C and 2D, the support structure of the dewar bio-magnetic detection system for head, heart, muscle and eyes is designed in a helmet shape, a circular shape, a fan shape, and the dewar bio-magnetic detection system is 5. As shown in fig. 2A, the dewar is formed in a shape of a magnetic sensor matrix centering around 1 dewar and surrounding the dewar by 2 turns, the first turn being provided with 6 dewars and the second turn being provided with 4 dewars, each Du Wachao being directed toward the head. As shown in fig. 2B, the dewar is formed as a matrix of 2 rows and 2 columns of magnetic sensors, each Du Wachao facing the heart. As shown in fig. 2C, the dewar is composed of a matrix of magnetic sensors in the shape of 2 rows and 3 columns, each Du Wachao facing a muscle. As shown in fig. 2D, the dewar is composed of a matrix of magnetic sensors in the shape of 1 row and 1 column, each of which faces toward one eye, respectively. In this embodiment, if the number of dewars exceeds 2, the distance between each dewar is equal.
S15, after the Dewar biological magnetic detection system is assembled, receiving magnetic signals acquired by a plurality of Dewar, and detecting the magnetic signals.
Referring to fig. 3, a flow chart of S15 is shown. As shown in fig. 3, the step S15 specifically includes the following steps:
s151, judging whether magnetic signals acquired by a plurality of Dewar are received or not; if not, the Dewar biological magnetic detection system is damaged, and S152 is executed, namely after the magnetic signal is not received, an investigation instruction for investigating the damaged Dewar is sent out. When the Dewar biological detection system is damaged, the damage can be detected to the small range of a single Dewar, and the small Dewar can be directly replaced, so that the detection system is repaired without replacing the whole system, the cost is greatly reduced, and the system integration is improved. If yes, S153 is performed.
S153, judging whether the magnetic signal is a waveform signal or not; if yes, the magnetic signal is indicated to be a valid signal, so that S154, namely imaging analysis of later magnetic signal data is executed; if not, the magnetic signal is an invalid signal, and S155 is executed, that is, the invalid signal is processed. In this embodiment, when noise is mixed in the magnetic signal and the signal is weak, the signal is distorted. Thus, the magnetic signal with the presence of the apparent glitch is an invalid signal. In this embodiment, if signal distortion is detected, the distance ε can be reduced appropriately, and the signal can be enhanced when the magnetic sensor is close to the source under test. In this embodiment, the acquired magnetic signals are subjected to imaging analysis by using magnetic signal acquisition imaging analysis software of a detection system adapted to various functions.
In this embodiment, the processing the invalid signal includes: removing noise in the invalid signal through spectrum analysis; or filtering the nullified signal.
The present embodiment also provides a readable storage medium (also referred to as a computer readable storage medium) having a computer program stored thereon, which when executed by a processor, implements the design method of the Dewar bio-magnetic detection system. Those of ordinary skill in the art will appreciate that: all or part of the steps for implementing the method embodiments described above may be performed by computer program related hardware. The aforementioned computer program may be stored in a computer readable storage medium. The program, when executed, performs steps including the method embodiments described above; and the aforementioned storage medium includes: various media that can store program code, such as ROM, RAM, magnetic or optical disks.
The design method of the Dewar biological magnetic detection system of the embodiment can design and adapt to various support frameworks (the shape is not limited) with different functions according to the functional requirements for various different applications of the positions, the shapes and the detection points of human biological magnetic, a plurality of same small Dewar is directly arranged on the fixed support frameworks, and the Dewar angles are adjusted, so that various biological magnetic detection systems aiming at various requirements of human biological magnetic can be assembled and combined; the invention can only replace small Dewar at the damaged part of the component, and has high integration, high repairability and high cost performance. Meanwhile, the adopted magnetic signal acquisition imaging analysis software has intelligence, is suitable for detection systems with various functions, and greatly reduces the manufacturing cost. By the design method, the whole system does not need to be replaced when the parts are damaged, and the defects of single function, intelligence and the like are overcome.
Example two
The embodiment provides a design system of a Dewar biological magnetic detection system, wherein the Dewar biological magnetic detection system is used for detecting magnetic signals of different parts of a living body; the design system of the Dewar biological magnetic detection system comprises:
the first acquisition module is used for acquiring the shape of the part of the living body to be detected and setting the support framework of the Dewar biological magnetic detection system into a shape matched with the shape of the part of the living body to be detected;
the second acquisition module is used for acquiring the area of the region of the living body part to be detected and the single Dewar area of the Dewar selected according to the requirement;
the calculation module is used for calculating the number of the Dewar according to the area of the region of the life body part to be detected and the product of a single Du Wamian;
the design module is used for designing the shape formed by the dewar according to the calculated number of the dewar and the shape set by the supporting framework;
and the processing module is used for receiving the magnetic signals acquired by the Dewar after the Dewar biological magnetic detection system is assembled, and detecting the magnetic signals.
The following describes in detail the design system of the Dewar bio-magnetic detection system provided by the present embodiment in connection with the drawings. It should be noted that, it should be understood that the division of the modules of the following design system is merely a division of logic functions, and may be fully or partially integrated into one physical entity or may be physically separated. And these modules may all be implemented in software in the form of calls by the processing element; or can be realized in hardware; the method can also be realized in a form of calling software by a processing element, and the method can be realized in a form of hardware by a part of modules. For example, the x module may be a processing element that is set up separately, may be implemented as integrated into a chip of the above-described apparatus, or may be stored in a memory of the above-described apparatus in the form of program code, and may be called by a processing element of the above-described apparatus to execute the functions of the following x module. The implementation of the other modules is similar. In addition, all or part of the modules can be integrated together or can be independently implemented. The processing element described herein may be an integrated circuit having signal processing capabilities. In implementation, each step of the above method or each module below may be implemented by an integrated logic circuit of hardware in a processor element or an instruction in a software form.
For example, the following modules may be one or more integrated circuits configured to implement the above methods, e.g., the following: one or more Application Specific Integrated Circuits (ASICs), or one or more microprocessors (DSPs), or one or more Field Programmable Gate Arrays (FPGAs), etc. For another example, when a module is implemented in the form of a processing element scheduler code, the processing element may be a general purpose processor, such as a Central Processing Unit (CPU) or other processor that may invoke the program code. For another example, the modules may be integrated together and implemented in the form of a system-on-a-chip (SOC).
Referring to FIG. 4, a schematic diagram of a design system of a Dewar bio-magnetic detection system is shown in an embodiment. As shown in fig. 4, the design system 4 of the dewar bio-magnetic detection system specifically includes: the system comprises a first acquisition module 41, a second acquisition module 42, a calculation module 43, a design module 44 and a processing module 45.
The first acquiring module 41 is configured to acquire a shape of a living body part to be detected, and set a support frame of the dewar bio-magnetic detection system to a shape matching the shape of the living body part to be detected. In this embodiment, the living body part to be detected is scanned by a scanner.
In this embodiment, the living body part to be detected is a human body part to be detected, for example, a head part, a heart part, a chest part, an eye part, each muscle part, and the like.
For example, the scanner has an ellipsoidal scanning head, a flat heart and chest, and a fan-shaped eye and muscle.
A second acquiring module 42 coupled to the first acquiring module 41 is configured to acquire an area of a region of the living body part to be detected and a single dewar area of a dewar selected according to a requirement. In this embodiment, the first acquiring module 41 acquires the shape of the living body part to be detected by scanning the living body part to be detected by the scanner. The second obtaining module 42 obtains the area a of the living body part to be detected according to the existing area calculating method. For example, the area a of the head portion, the area a of the heart portion and the chest portion, and the area a of the eye portion and each muscle portion are acquired.
In this embodiment, different types of dewar may be selected according to the requirements, and a single Du Wamian product B is obtained.
A calculation module 43 coupled to the first acquisition module 41 and the second acquisition module 42 is configured to calculate the dewar number C based on the area of the region of the living body part to be detected and the product of the individual Du Wamian.
Specifically, the calculation formula for calculating the number of dewar is:
number of dewar = area of the vital part to be detected/area of individual dewar, i.e. C = a/B.
In this embodiment, C is an integer.
A design module 44 coupled to the first acquisition module 41 and the calculation module 43 is configured to design the shape of the dewar according to the calculated number of dewars and the shape of the support frame arrangement. Referring to fig. 2A, 2B, 2C and 2D, schematic perspective views of a dewar bio-magnetic detection system for head, heart, muscle and eyes according to the design method of the dewar bio-magnetic detection system are shown. As shown in fig. 2A, 2B, 2C and 2D, the support structure of the Dewar bio-magnetic detection system for head, heart, muscle and eyes is configured in a helmet shape, a circular shape, a fan shape. As shown in fig. 2A, the dewar is formed in a shape of a magnetic sensor matrix centering around 1 dewar and surrounding the dewar by 2 turns, the first turn being provided with 6 dewars and the second turn being provided with 4 dewars, each Du Wachao being directed toward the head. As shown in fig. 2B, the dewar is formed as a matrix of 2 rows and 2 columns of magnetic sensors, each Du Wachao facing the heart. As shown in fig. 2C, the dewar is composed of a matrix of magnetic sensors in the shape of 2 rows and 3 columns, each Du Wachao facing a muscle. As shown in fig. 2D, the dewar is composed of a matrix of magnetic sensors in the shape of 1 row and 1 column, each of which faces toward one eye, respectively. In this embodiment, if the number of dewars exceeds 2, the distance between each dewar is equal.
The processing module 45 coupled to the calculating module 43 and the designing module 44 is configured to receive the magnetic signals collected by the plurality of dewars after the assembly of the dewar biological magnetic detection system is completed, and detect the magnetic signals.
The processing module 45 is specifically configured to determine whether magnetic signals collected by a plurality of Dewar are received; if not, the Dewar biological magnetic detection system is damaged, and after the magnetic signal is not received, an investigation instruction for investigating the damaged Dewar is sent out; if yes, judging whether the magnetic signal is a waveform signal or not; if yes, the magnetic signal is indicated to be a valid signal so as to execute imaging analysis of later magnetic signal data; if not, the magnetic signal is an invalid signal, and the invalid signal is processed. When the Dewar biological detection system is damaged, the damage can be detected to the small range of a single Dewar, and the small Dewar can be directly replaced, so that the detection system is repaired without replacing the whole system, the cost is greatly reduced, and the system integration is improved.
Example III
The present embodiment provides a Dewar bio-magnetic detection system comprising:
the shape of the supporting framework is matched with the shape of the part of the living body to be detected; at least two mounting holes are uniformly formed in the support framework;
at least two Dewar are inserted into the mounting holes one by one.
The Dewar bio-magnetic detection system provided by the present embodiment will be described in detail with reference to the drawings. The Dewar biological magnetic detection system is selectively arranged Du Waxing into a heart magnetic detection system, a brain magnetic detection system, an eye magnetic detection system and a muscle magnetic detection system according to functional requirements. The present embodiment takes the Dewar biological magnetic detection system for head designed by the design method of Dewar biological magnetic detection system according to the first embodiment as shown in FIG. 5 as an example.
As shown in fig. 5, the dewar bio-magnetic detection system 5 includes a support frame 51, a mounting hole 52, a dewar 53, and a fastening portion 54.
The support frame 51 is used to support a number of dewars 53. The shape of the supporting frame 51 is matched with the shape of the living body part to be detected.
For example, the head part is an ellipsoid, the heart part and the chest part are plane bodies, and the eye part and each muscle part are fan-shaped bodies.
The shape of the supporting frame 61 for the head, heart and chest, eyes and muscles is a helmet shape, a circular shape, a rectangular shape and/or a fan shape, respectively.
At least two mounting holes 52 are uniformly provided in the support frame. The dewars 53 are inserted into the mounting holes 52 one by one, and if the number of the dewars exceeds 2, the distances between the dewars are equal.
In order to stably fix the dewar in the mounting hole 52, the present embodiment provides a fastening portion 54 for fastening the dewar in the mounting hole 52.
In the present embodiment, a plurality of magnetic sensors for detecting a portion of a living body to be detected are mounted on each dewar 52, for example, only 4 or 9 magnetic sensors are mounted on each small dewar. The magnetic sensor includes all sensors applied to human body biomagnetism. The magnetic sensors arranged in the Dewar can be distributed according to the area trend of the detection area. For example, it may be arranged along the meridian of human body. The Dewar biological magnetic detection system of the embodiment can be applied to various different positions, shapes and detection points of human biological magnetic, can be designed to adapt to various support frameworks with different functions according to functional requirements (the shape is not limited), and can be assembled and combined into various biological magnetic detection systems aiming at various requirements of human biological magnetic by directly installing a plurality of same small Dewar on a fixed support framework and adjusting the Dewar angle.
In summary, the Dewar biological magnetic detection system, the design method/system, the readable storage medium of the Dewar biological magnetic detection system have various different applications on the position, the shape and the specificity of human biological magnetic, can be designed and adapted to various support frameworks with different functions according to functional requirements (the shape is not limited), and a plurality of same small Dewar can be directly arranged on the fixed support frameworks to adjust the Dewar angle so as to be assembled and combined into various biological magnetic detection systems aiming at various requirements of human biological magnetic; the invention can only replace small Dewar at the damaged part of the component, and has high integration, high repairability and high cost performance. Meanwhile, the adopted magnetic signal acquisition imaging analysis software has intelligence, is suitable for detection systems with various functions, and greatly reduces the manufacturing cost. By the design method, the whole system does not need to be replaced when the parts are damaged, and the defects of single function, intelligence and the like are overcome. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims (12)

1. The design method of the Dewar biological magnetic detection system is characterized in that the Dewar biological magnetic detection system is used for detecting magnetic signals of different parts of a living body; the design method of the Dewar biological magnetic detection system comprises the following steps:
acquiring the shape of a to-be-detected living body part, and setting a support framework of the Dewar biological magnetic detection system to be a shape matched with the shape of the to-be-detected living body part;
acquiring the area of a region of a living body part to be detected and the single Dewar area of the Dewar selected according to the requirement;
calculating the number of Dewar according to the area of the to-be-detected living body part and the product of a single Du Wamian; wherein, the calculation formula of Dewar quantity is: number of dewar = area of the vital part to be detected/area of single dewar;
designing a shape formed by the dewar according to the calculated number of the dewar and the shape of the supporting framework;
and after the Dewar biological magnetic detection system is assembled, receiving magnetic signals acquired by a plurality of Dewar, and detecting the magnetic signals.
2. The method of claim 1, wherein the step of detecting the magnetic signal comprises:
judging whether the magnetic signal is a waveform signal or not; if yes, the magnetic signal is indicated to be a valid signal; if not, the magnetic signal is an invalid signal, and the invalid signal is processed;
the step of processing the invalid signal comprises: removing noise in the invalid signal through spectrum analysis; or filtering the nullified signal.
3. The method of designing a dewar bio-magnetic detection system according to claim 2, wherein the method of designing a dewar bio-magnetic detection system further comprises transmitting an instruction command while processing the invalid signal; the indication command is used for indicating the Dewar biological magnetic detection system to be adjusted to be away from the part of the living body to be detected by a preset adjustment distance.
4. The method of claim 2, further comprising issuing an inspection instruction to inspect damaged dewar after the magnetic signal is not received.
5. The design system of the Dewar biological magnetic detection system is characterized in that the Dewar biological magnetic detection system is used for detecting magnetic signals of different parts of a living body; the design system of the Dewar biological magnetic detection system comprises:
the first acquisition module is used for acquiring the shape of the part of the living body to be detected and setting the support framework of the Dewar biological magnetic detection system into a shape matched with the shape of the part of the living body to be detected;
the second acquisition module is used for acquiring the area of the region of the living body part to be detected and the single Dewar area of the Dewar selected according to the requirement;
the calculation module is used for calculating the number of the Dewar according to the area of the region of the life body part to be detected and the product of a single Du Wamian; wherein, the calculation formula of Dewar quantity is: number of dewar = area of the vital part to be detected/area of single dewar;
the design module is used for designing the shape formed by the dewar according to the calculated number of the dewar and the shape set by the supporting framework;
and the processing module is used for receiving the magnetic signals acquired by the Dewar after the Dewar biological magnetic detection system is assembled, and detecting the magnetic signals.
6. A dewar bio-magnetic detection system for performing the design method of the dewar bio-magnetic detection system according to any one of claims 1 to 4, comprising:
the shape of the supporting framework is matched with the shape of the part of the living body to be detected; at least two mounting holes are uniformly formed in the support framework;
at least two Dewar are inserted into the mounting holes one by one.
7. The Dewar biomagnetic detection system of claim 6, wherein a plurality of detectors are disposed within each Dewar
Measuring a magnetic sensor corresponding to a living body part to be detected; the magnetic sensors can be distributed according to the area trend of the detection area.
8. The Dewar bio-magnetic detection system according to claim 7, wherein,
the Dewar biological magnetic detection system is used for selecting and arranging Du Waxing cardiac magnetic detection system, cerebral magnetic detection system, ocular magnetic detection system and muscle magnetic detection system according to functional requirements; magnetic sensors include all sensors applied to human biomagnetism.
9. The dewar bio-magnetic detection system according to claim 6, further comprising a clamping portion for clamping the dewar within the mounting hole.
10. The Dewar bio-magnetic detection system according to claim 6, wherein the shape of the support frame comprises a helmet
Shape, circular shape, rectangular shape, and/or fan shape.
11. The dewar bio-magnetic detection system according to claim 6, wherein the distance between each dewar is equal if the number of dewars exceeds 2.
12. A readable storage medium having stored thereon a computer program, characterized in that the program, when executed by a processor, implements a method of designing a dewar bio-magnetic detection system according to any one of claims 1 to 4.
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Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101194832A (en) * 2007-12-20 2008-06-11 北京斯奎德生物磁技术有限公司 Probe of magnetocardiograph
CN101865981A (en) * 2010-05-19 2010-10-20 中国科学院电工研究所 Biological endogenous magnetic particle detection device
CN201928269U (en) * 2010-12-07 2011-08-10 广州特信网络技术有限公司 Superconducting-link system
CN102253323A (en) * 2011-06-14 2011-11-23 中国科学院半导体研究所 Variable temperature microscopic measurement system for measuring related electron-spin transportation
CN102988038A (en) * 2012-12-14 2013-03-27 中国科学院上海微***与信息技术研究所 First-order gradient compensation module and method for unmask magnetocardiography
CN103016611A (en) * 2012-12-14 2013-04-03 中国科学院上海微***与信息技术研究所 Damping device for magnetocardiograph and damping method
CN103149236A (en) * 2013-01-31 2013-06-12 中国科学院上海技术物理研究所 Low-temperature material linear expansion coefficient measuring method and low-temperature material linear expansion coefficient measuring device
CN103308008A (en) * 2013-06-21 2013-09-18 中国科学院上海技术物理研究所 Measurement device and method of element flatness in low temperature state
CN203249981U (en) * 2013-03-26 2013-10-23 中国科学院上海技术物理研究所 System for detecting connectivity of pins of Dewar flask
CN103717129A (en) * 2011-05-24 2014-04-09 加利福尼亚大学董事会 Magnetoencephalography source imaging
CN204133457U (en) * 2014-09-26 2015-02-04 北京美尔斯通科技发展股份有限公司 Non-shielded magnetocardiograph
CN204188791U (en) * 2014-09-29 2015-03-04 北京美尔斯通科技发展股份有限公司 Superconduction weak magnetic signal detection magnetometer
CN204269800U (en) * 2014-12-19 2015-04-15 中国科学院上海微***与信息技术研究所 A kind of aeromagnetic survey device based on low-temperature superconducting SQUID
CN106343999A (en) * 2016-10-10 2017-01-25 中国科学院上海微***与信息技术研究所 Magnetocardiography, compensation and optimization method based on same, system and server

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106163399B (en) * 2014-03-31 2019-07-12 索尼公司 Measuring device, measurement method, program and recording medium
CN105184246B (en) * 2015-08-28 2020-05-19 北京旷视科技有限公司 Living body detection method and living body detection system
JP6753688B2 (en) * 2016-04-26 2020-09-09 蛇の目ミシン工業株式会社 Embroidery range detection device, embroidery range detection method, program and embroidery pattern placement system

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101194832A (en) * 2007-12-20 2008-06-11 北京斯奎德生物磁技术有限公司 Probe of magnetocardiograph
CN101865981A (en) * 2010-05-19 2010-10-20 中国科学院电工研究所 Biological endogenous magnetic particle detection device
CN201928269U (en) * 2010-12-07 2011-08-10 广州特信网络技术有限公司 Superconducting-link system
CN103717129A (en) * 2011-05-24 2014-04-09 加利福尼亚大学董事会 Magnetoencephalography source imaging
CN102253323A (en) * 2011-06-14 2011-11-23 中国科学院半导体研究所 Variable temperature microscopic measurement system for measuring related electron-spin transportation
CN103016611A (en) * 2012-12-14 2013-04-03 中国科学院上海微***与信息技术研究所 Damping device for magnetocardiograph and damping method
CN102988038A (en) * 2012-12-14 2013-03-27 中国科学院上海微***与信息技术研究所 First-order gradient compensation module and method for unmask magnetocardiography
CN103149236A (en) * 2013-01-31 2013-06-12 中国科学院上海技术物理研究所 Low-temperature material linear expansion coefficient measuring method and low-temperature material linear expansion coefficient measuring device
CN203249981U (en) * 2013-03-26 2013-10-23 中国科学院上海技术物理研究所 System for detecting connectivity of pins of Dewar flask
CN103308008A (en) * 2013-06-21 2013-09-18 中国科学院上海技术物理研究所 Measurement device and method of element flatness in low temperature state
CN204133457U (en) * 2014-09-26 2015-02-04 北京美尔斯通科技发展股份有限公司 Non-shielded magnetocardiograph
CN204188791U (en) * 2014-09-29 2015-03-04 北京美尔斯通科技发展股份有限公司 Superconduction weak magnetic signal detection magnetometer
CN204269800U (en) * 2014-12-19 2015-04-15 中国科学院上海微***与信息技术研究所 A kind of aeromagnetic survey device based on low-temperature superconducting SQUID
CN106343999A (en) * 2016-10-10 2017-01-25 中国科学院上海微***与信息技术研究所 Magnetocardiography, compensation and optimization method based on same, system and server

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