CN112244787A - Portable medical thermal imager - Google Patents
Portable medical thermal imager Download PDFInfo
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- CN112244787A CN112244787A CN202011032390.2A CN202011032390A CN112244787A CN 112244787 A CN112244787 A CN 112244787A CN 202011032390 A CN202011032390 A CN 202011032390A CN 112244787 A CN112244787 A CN 112244787A
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- visible light
- focusing lens
- circuit board
- laser target
- laser
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- 238000007405 data analysis Methods 0.000 claims description 6
- 210000000056 organ Anatomy 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 9
- 238000001514 detection method Methods 0.000 abstract description 7
- 238000001931 thermography Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000010827 pathological analysis Methods 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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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
- A61B5/01—Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
- A61B5/015—By temperature mapping of body part
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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 classified in A61B5/00, e.g. for MRI, optical tomography or impedance tomography apparatus; arrangements of imaging apparatus in a room
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0077—Devices for viewing the surface of the body, e.g. camera, magnifying lens
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/08—Optical arrangements
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Molecular Biology (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
Abstract
The invention is suitable for the field of medical equipment, in particular to a portable medical thermal imager, which comprises: a circuit board provided with an infrared focusing lens is additionally arranged, a visible light camera matched with the circuit board is additionally arranged on the side edge of the infrared focusing lens, and shooting is carried out by utilizing the visible light camera; a plurality of visible light beam generators are additionally arranged on the circuit board at the side edge of the infrared focusing lens; a distance measuring sensor is additionally arranged on the side edge of the circuit board, which is positioned on the infrared focusing lens; the thermal image shooting range in the square laser beam irradiation area obtained by emitting the laser target beam by the visible light beam generator is used for carrying out accurate alignment in the detection process; and the distance measuring sensor is matched with the visible light camera to measure the thermal image shooting range and the distance of the lens, and the human body characteristic points of the detected area are judged in real time.
Description
Technical Field
The invention relates to the field of medical equipment, in particular to a portable medical thermal imager.
Background
An infrared thermal imager is a device that converts an image of the temperature distribution of a target object into a visible image by detecting the infrared radiation of the target object and applying signal processing, photoelectric conversion, and other means using an infrared thermal imaging technique.
Thermal infrared imagers typically consist of an opto-mechanical assembly, a focusing/zoom assembly, an internal non-uniformity correction assembly, an imaging circuitry assembly, and an infrared detector/chiller assembly.
The thermal imager applied to the medical field can not be accurately aligned in the detection process, so that the human body characteristic points of the detected area can be judged in real time.
Disclosure of Invention
The invention aims to provide a portable thermal imager for medical use, which aims to solve the problems in the background technology. In order to achieve the purpose, the invention provides the following technical scheme:
a portable medical thermal imager, comprising: a circuit board provided with an infrared focusing lens is additionally arranged, a visible light camera matched with the circuit board is additionally arranged on the side edge of the infrared focusing lens, and shooting is carried out by utilizing the visible light camera; the circuit board is additionally provided with a plurality of visible light beam generators, preferably laser beam generators, on the side edge of the infrared focusing lens, the visible light beam generators are used for emitting laser target beams, the laser target beams are crossed to form a square laser beam area, square light spots are formed on the surface to be measured, the emitting angle of the laser target beams is parallel to the viewing angle of the infrared focusing lens, the thermal image shooting range in the square laser beam irradiation area is obtained, and correct alignment shooting is carried out; the circuit board is additionally provided with a distance measuring sensor at the side edge of the infrared focusing lens, the distance measuring sensor is matched with the visible light camera to measure the thermal image shooting range and the distance of the lens, and the human body characteristic points of the detected area are judged in real time; and the visible light camera focuses and shoots an image of the measured object, the image is overlapped with the infrared focusing lens, and the organ contour and the characteristic points of the infrared thermal image formed by the infrared focusing lens are marked by using the organ contour and the characteristic points identified by the visible light image of the visible light camera.
The thermal image shooting range in the square laser beam irradiation area obtained by emitting the laser target beam by the visible light beam generator is used for carrying out accurate alignment in the detection process; and the distance measuring sensor is matched with the visible light camera to measure the thermal image shooting range and the distance of the lens, and the human body characteristic points of the detected area are judged in real time.
The problem of the thermal imaging system who uses in medical field, in the testing process, can not accurate counterpoint, and then judge the human characteristic point in the region that is surveyed in real time is solved.
In the portable thermal imager for medical use of the present invention: the visible light beam generators are all laser target generators, each laser target generator comprises a laser target generator A and a laser target generator B, the laser target generators A and the laser target generators B are symmetrically distributed on two sides of the infrared focusing lens, the laser target generators A and the laser target generators B respectively emit laser target beams, the laser beams are crossed to form a square laser beam area, and correct alignment shooting is carried out.
In the portable thermal imager for medical use of the present invention: the infrared focusing lens is additionally arranged on the circuit board through an infrared array acquisition chip.
The circuit board is mounted to the housing, and the housing has a battery mounted therein for supplying power.
In the portable thermal imager for medical use of the present invention: and a main control chip is additionally arranged on the circuit board.
In the portable thermal imager for medical use of the present invention: the portable medical thermal imager further comprises a data analysis system, wherein the data analysis system comprises a temperature three-dimensional image generation system and a fused image generation system, and the fused image generation system fuses a temperature image and a visible light image to generate an image.
In the portable thermal imager for medical use of the present invention: the laser target generator is a cross target laser target generator.
In the portable thermal imager for medical use of the present invention: the laser target generator is a straight target laser target generator.
Compared with the prior art, the portable medical thermal imager comprises: a circuit board provided with an infrared focusing lens is additionally arranged, a visible light camera matched with the circuit board is additionally arranged on the side edge of the infrared focusing lens, and shooting is carried out by utilizing the visible light camera; a plurality of visible light beam generators are additionally arranged on the circuit board at the side edge of the infrared focusing lens; a distance measuring sensor is additionally arranged on the side edge of the circuit board, which is positioned on the infrared focusing lens; the thermal image shooting range in the square laser beam irradiation area obtained by emitting the laser target beam by the visible light beam generator is used for carrying out accurate alignment in the detection process; and the distance measuring sensor is matched with the visible light camera to measure the thermal image shooting range and the distance of the lens, and the human body characteristic points of the detected area are judged in real time.
Drawings
Fig. 1 is a schematic structural view of a portable thermal medical imager according to the present invention.
Fig. 2 is a schematic diagram of a portable thermal medical imager in accordance with the present invention.
In the figure: 1-a circuit board; 2-a main control chip; 3-a distance measuring sensor; 4-laser target generator a; 5-infrared array acquisition chip; 6-infrared focusing lens; 7-a visible light camera; 8-a battery; 9-laser target generator B; 10-a housing; 11-laser target beam; 12-the object to be tested; 13-infrared thermographic acquisition zone.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to specific embodiments.
Aiming at the problem that the thermal imager applied to the medical field can not be accurately aligned in the detection process, so that the human body characteristic points of the detected area can be judged in real time; the invention aims to provide a portable medical thermal imager to solve the problems. In order to achieve the purpose, the invention provides the following technical scheme:
in an embodiment of the present invention, as shown in fig. 1 and 2, a portable thermal imager for medical use includes: the circuit board 1 is additionally provided with an infrared focusing lens 6, a visible light camera 7 matched with the circuit board 1 is additionally arranged on the side edge of the infrared focusing lens 6, and shooting is carried out by utilizing the visible light camera 7;
the circuit board 1 is additionally provided with a plurality of visible light beam generators on the side edge of the infrared focusing lens 6, the visible light beam generators are used for emitting laser target beams 11, the laser target beams 11 are crossed to form a square laser beam area, the emission angle of the laser target beams 11 is parallel to the view finding angle of the infrared focusing lens 6, the thermal image shooting range in the square laser beam irradiation area is obtained, and correct alignment shooting is carried out;
the circuit board 1 is additionally provided with a distance measuring sensor 3 at the side edge of an infrared focusing lens 6, the distance measuring sensor 3 is matched with a visible light camera 7 to measure the thermal image shooting range and the distance of the lens, and the human body characteristic points of the detected area are judged in real time; the visible light camera 7 focuses and shoots an image of the measured object 12, the image is overlapped with the infrared focusing lens 6, and the organ outline and the characteristic points of the infrared thermal image formed by the infrared focusing lens 6 are marked by utilizing the organ outline and the characteristic points identified by the visible light image of the visible light camera 7.
The visible light beam generator emits a laser target beam 11 to form an infrared thermal image acquisition area 13.
In the embodiment of the invention, the accurate alignment of the thermal image shooting range in the square laser beam irradiation area obtained by emitting the laser target beam 11 by using the visible light beam generator in the detection process is realized; and the distance measuring sensor 3 is matched with the visible light camera 7 to measure the thermal image shooting range and the distance of the lens, and the human body characteristic points of the detected area are judged in real time.
In the embodiment of the present invention, as shown in fig. 1 and fig. 2, each of the plurality of visible light beam generators is a laser target generator, each of the laser target generators includes a laser target generator a4 and a laser target generator B9, the laser target generators a4 and B9 are symmetrically distributed on two sides of the infrared focusing lens 6, the laser target generators a4 and B9 respectively emit laser target beams 11, and the laser beams intersect to form a square laser beam region and perform correct alignment shooting.
A main control chip 2 is additionally arranged on the circuit board 1; the infrared focusing lens 6 is additionally arranged on the circuit board 1 through an infrared array acquisition chip 5; the circuit board 1 is mounted in a housing 10, and a battery 8 for supplying power is mounted inside the housing 10.
In the embodiment of the invention, as shown in fig. 1 and 2, the portable thermal imager for medical use further comprises a data analysis system, wherein the data analysis system comprises a temperature three-dimensional image generation system and a fused image generation system, and the fused image generation system generates an image by fusing a temperature map and a visible light map.
The temperature three-dimensional image generation system is characterized in that a three-dimensional net surface is formed by pixel coordinate points and Z-axis temperature values on the coordinate points, and compared with a conventional pseudo-color expression mode, pathological analysis and temperature fluctuation judgment are more direct; meanwhile, image expression processing such as contour line drawing can be carried out; the three-dimensional model of the standard thermal image acquired by normal people is superposed with the three-dimensional thermal image to be measured, and differential analysis is performed, so that pathological positions and serious conditions can be quickly and visually located.
In the embodiment of the present invention, as shown in fig. 1 and fig. 2, the laser target generator is a cross target laser target generator, or the laser target generator is a line target laser target generator. The cross target laser generator is arranged outside the diagonal line of the acquisition chip 5 of the infrared array sensor and emits two cross-shaped laser target beams 11, and the two cross-shaped laser target beams 11 are crossed to form a square laser beam area; meanwhile, the emission angle of the laser target beam 11 is parallel to the view finding angle of the infrared focusing lens 6, so that the thermal image shooting range in the square laser beam irradiation area can be obtained, the square laser beam only needs to be aligned to the position needing to be shot during operation, and the square laser beam can be shot in a correct alignment mode within the range framed by the square light.
The invention relates to a portable medical thermal imager, which comprises: the circuit board 1 is additionally provided with an infrared focusing lens 6, a visible light camera 7 matched with the circuit board 1 is additionally arranged on the side edge of the infrared focusing lens 6, and shooting is carried out by utilizing the visible light camera 7; a plurality of visible light beam generators are additionally arranged on the circuit board 1 at the side edge of the infrared focusing lens 6; a distance measuring sensor 3 is additionally arranged on the side edge of the circuit board 1, which is positioned on the infrared focusing lens 6; the accurate alignment of the thermal image shooting range in the square laser beam irradiation area obtained by emitting the laser target beam 11 by the visible light beam generator in the detection process is realized; and the distance measuring sensor 3 is matched with the visible light camera 7 to measure the thermal image shooting range and the distance of the lens, and the human body characteristic points of the detected area are judged in real time.
In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (8)
1. A portable thermal medical imager, comprising:
a circuit board provided with an infrared focusing lens is additionally arranged, a visible light camera matched with the circuit board is additionally arranged on the side edge of the infrared focusing lens, and shooting is carried out by utilizing the visible light camera;
the circuit board is additionally provided with a plurality of l1 on the side edge of the infrared focusing lens, a visible light beam generator is utilized to emit light target beams, the target beams are crossed, a square beam spot is formed on the shot surface, the emitting angle of the light target beams is parallel to the viewing angle of the infrared focusing lens, the thermal image shooting range in the square beam spot area is obtained, and correct alignment shooting is carried out;
the circuit board is additionally provided with a distance measuring sensor at the side edge of the infrared focusing lens, the distance measuring sensor is matched with the visible light camera to measure the thermal image shooting range and the distance of the lens, and the human body characteristic points of the detected area are judged in real time; and the visible light camera focuses and shoots an image of the measured object, the image is overlapped with the infrared focusing lens, and the organ outline and the characteristic points of the infrared thermal image formed by the external focusing lens are marked by utilizing the organ outline and the characteristic points identified by the visible light image of the visible light camera.
2. The portable thermal medical imager according to claim 1, wherein the plurality of visible light beam generators are preferably laser target generators, each laser target generator comprises a laser target generator A and a laser target generator B, the laser target generators A and the laser target generators B are symmetrically distributed on two sides of the infrared focusing lens, the laser target generators A and the laser target generators B respectively emit laser target beams, the laser beams are intersected to form a square laser beam spot area, and correct alignment shooting is performed.
3. The portable thermal medical imager according to claim 1, wherein the IR focusing lens 6 is mounted on the circuit board via an IR array pickup chip.
4. A portable thermal medical imager according to claim 3, wherein the circuit board is mounted in a housing and a battery for supplying energy is mounted inside the housing.
5. The portable thermal medical imager of claim 1, wherein a main control chip is mounted on the circuit board.
6. The portable thermal medical imager according to claim 1, further comprising a data analysis system, wherein the data analysis system comprises a temperature three-dimensional image generation system and a fused image generation system, and the fused image generation system fuses the temperature map and the visible light map to generate an image.
7. The portable thermal medical imager according to any one of claims 1-5, wherein said laser target generator is a cross target laser target generator.
8. The portable thermal medical imager according to any one of claims 1-5, wherein said laser target generator is a inline target laser target generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011032390.2A CN112244787A (en) | 2020-09-27 | 2020-09-27 | Portable medical thermal imager |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011032390.2A CN112244787A (en) | 2020-09-27 | 2020-09-27 | Portable medical thermal imager |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112244787A true CN112244787A (en) | 2021-01-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011032390.2A Pending CN112244787A (en) | 2020-09-27 | 2020-09-27 | Portable medical thermal imager |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112244787A (en) |
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2020
- 2020-09-27 CN CN202011032390.2A patent/CN112244787A/en active Pending
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