CN110897646B - Medical instrument calibration method - Google Patents
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000004164 analytical calibration Methods 0.000 title claims description 7
- 238000001514 detection method Methods 0.000 claims abstract description 79
- 238000003384 imaging method Methods 0.000 claims abstract description 79
- 230000004089 microcirculation Effects 0.000 claims abstract description 79
- 238000012806 monitoring device Methods 0.000 claims abstract description 42
- 230000003287 optical effect Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 206010012601 diabetes mellitus Diseases 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 238000010241 blood sampling Methods 0.000 description 4
- 208000008960 Diabetic foot Diseases 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 206010052428 Wound Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
- A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
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- A—HUMAN NECESSITIES
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
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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
- A61B5/40—Detecting, measuring or recording for evaluating the nervous system
- A61B5/4029—Detecting, measuring or recording for evaluating the nervous system for evaluating the peripheral nervous systems
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/02—Operational features
- A61B2560/0223—Operational features of calibration, e.g. protocols for calibrating sensors
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/02—Operational features
- A61B2560/0223—Operational features of calibration, e.g. protocols for calibrating sensors
- A61B2560/0228—Operational features of calibration, e.g. protocols for calibrating sensors using calibration standards
- A61B2560/0233—Optical standards
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Abstract
A calibration method of medical apparatus, guarantee the optical parameter and image acquisition parameter of the neuro-electrophysiological detection device of microcirculation imaging leaving the factory reach unanimity, accuracy and security, it is a technical field of calibration, the said method is realized on the basis of the calibration system, the said system includes body, light source group, monitoring device, display device, target chart board and light source power; light source group, monitoring devices, target drawing board and light source power all set up in the casing, and light source group sets up in casing one end, and casing one end still is equipped with the opening for place near-infrared camera's camera lens, the target drawing board setting is at the casing other end, and the target drawing board is used for receiving and shows the light of light source group and LED near-infrared light source transmission, and monitoring devices is used for acquireing the image on the target drawing board, and sends to display device and show, and display device sets up at the casing outsidely, the light source power is used for providing the power for light source group. The system is used for realizing aperture calibration, light source calibration, focusing calibration and lens focal length calibration.
Description
Technical Field
The invention relates to a calibration method of a medical instrument, in particular to a calibration method of a microcirculation imaging neuroelectrophysiology detection device, and belongs to the technical field of calibration.
Background
In the early stage of diabetes, because people pay less attention to the diabetes, the discovery time of the diabetes is delayed, and the treatment is delayed. The diabetic foot belongs to one of the common complications of diabetes, so the diabetes can be discovered by early screening the diabetic foot so as to discover the early-stage foot lesion before the disease comes. In the diagnosis and treatment process of diabetes, a blood sampling detection method is generally adopted, time and labor are wasted when blood is frequently sampled for a plurality of times for patients with diabetes, and wounds after blood sampling are not easy to heal due to the characteristics of diabetes.
In order to overcome the problems that frequent blood sampling is needed when the symptoms of diabetes are diagnosed or treated, the blood sampling detection is time-consuming and labor-consuming, and a needle is wasted, a microcirculation imaging neuro-electrophysiological detection device (with the patent publication number of CN208725715U) is developed by Harishon Hadamard Hongyou scientific and technological development Limited, and the microcirculation imaging neuro-electrophysiological detection device needs to ensure that the outgoing optical parameters and image acquisition parameters reach consistency, accuracy and safety during production, so a calibration method is needed.
Disclosure of Invention
The invention provides a calibration method for a medical instrument, which aims to ensure consistency, accuracy and safety of optical parameters and image acquisition parameters of a factory-leaving microcirculation imaging neuroelectrophysiological detection device.
The invention discloses a medical instrument calibration method, which is realized based on a calibration system, wherein the system comprises a shell, a light source group 210, a monitoring device 220, a display device 230, a target chart 240 and a light source power supply 250;
the light source group 210, the monitoring device 220, the target chart 240 and the light source power supply 250 are all arranged in a shell, the light source group 210 is arranged at one end of the shell, an opening is further formed in one end of the shell and used for placing a lens of a near-infrared camera 111 of the microcirculation imaging neuroelectrophysiology detection device 1 to be calibrated, the target chart 240 is arranged at the other end of the shell, the target chart 240 is used for receiving and displaying light emitted by the light source group 210 and an LED near-infrared light source of the microcirculation imaging neuroelectrophysiology detection device 1, the monitoring device 220 is used for obtaining an image displayed on the target chart 240 and sending the image to the display device 230 for displaying, the display device 230 is arranged outside the shell, and the light source power supply 250 is used for providing power for the light source group 210; a guide rail is arranged between the top and one end of the shell, the light source group 210 is arranged on a moving part of the guide rail, when the light source group 210 is needed, the light source group 210 moves from the top of the shell to one end of the shell, and the light source group 210 and the guide rail do not shield an opening at one end of the shell; when the light source set 210 is not needed, the light source set 210 extends from one end of the housing to the top of the housing;
the method comprises the following steps:
s1, driving the moving parts of the guide rail, so that the light source set 210 moves from the top of the housing to one end of the housing, turning on the light source power supply 250, so that the light source set 210 emits light and enters the central area of the target graphic board 240, and the monitoring device 220 obtains the brightness of the light reflected from the central area of the target graphic board 240;
s2, determining whether the brightness acquired by the monitoring device 220 meets the calibration requirement through the display device 230, if so, turning to S3, otherwise, adjusting the brightness of the light source group 210 to enable the brightness to meet the calibration requirement, and turning to S3;
s3, placing the lens of the near-infrared camera 111 of the microcirculation imaging neuro-electrophysiological detection device 1 at the opening at one end of the housing, turning on the power supply of the microcirculation imaging neuro-electrophysiological detection device 1, starting the microcirculation imaging neuro-electrophysiological detection device 1, viewing the brightness of the light reflected from the central area of the target panel 240 through the display window 120 of the microcirculation imaging neuro-electrophysiological detection device 1, adjusting the aperture size of the lens of the near-infrared camera 111, adjusting the aperture ring to a specified brightness value, and locking the aperture ring to complete aperture calibration.
The invention also provides a method for calibrating the medical instrument, which is realized based on a calibration system, wherein the system comprises a shell, a light source group 210, a monitoring device 220, a display device 230, a target panel 240 and a light source power supply 250;
the light source group 210, the monitoring device 220, the target chart 240 and the light source power supply 250 are all arranged in a shell, the light source group 210 is arranged at one end of the shell, an opening is further formed in one end of the shell and used for placing a lens of a near-infrared camera 111 of the microcirculation imaging neuroelectrophysiological detection device 1 to be calibrated, the target chart 240 is arranged at the other end of the shell, the target chart 240 is used for receiving and displaying light emitted by the light source group 210 and an LED near-infrared light source of the microcirculation imaging neuroelectrophysiological detection device 1, the monitoring device 220 is used for acquiring an image displayed on the target chart 240 and sending the image to the display device 230 for displaying, the display device 230 is arranged outside the shell, and the light source power supply 250 is used for providing power for the light source group 210; a guide rail is arranged between the top and one end of the shell, the light source group 210 is arranged on a moving part of the guide rail, when the light source group 210 is needed, the light source group 210 moves from the top of the shell to one end of the shell, and the light source group 210 and the guide rail do not shield an opening at one end of the shell; when the light source set 210 is not needed, the light source set 210 extends from one end of the housing to the top of the housing;
the method comprises the following steps:
s1, driving the moving part of the guide rail to enable the light source group 210 to move from one end of the shell to the top of the shell;
s2, placing the lens of the near-infrared camera 111 of the microcirculation imaging neuro-electrophysiological detection device 1 at the opening at one end of the shell, turning on the power supply of the microcirculation imaging neuro-electrophysiological detection device 1, and starting the microcirculation imaging neuro-electrophysiological detection device 1;
s3, turning on the LED near-infrared light source of the microcirculation imaging neuroelectrophysiological detection device 1, and making the light source incident to the central area of the target panel 240;
s4, adjusting the brightness of the LED near-infrared light source through the light source adjusting program of the microcirculation imaging neuroelectrophysiology detection device 1 to gradually brighten the LED near-infrared light source, acquiring the brightness of light reflected back from the central area of the target chart 240 through the monitoring device 220 at the moment, stopping adjusting the light source adjusting program of the microcirculation imaging neuroelectrophysiology detection device 1 when the brightness reaches a preset value, and storing the adjusting value into the microcirculation imaging neuroelectrophysiology detection device 1 to finish light source calibration.
The invention also provides a medical instrument calibration method, which is realized based on a calibration system, wherein the system comprises a shell, a light source group 210, a monitoring device 220, a display device 230, a target chart 240 and a light source power supply 250;
the light source group 210, the monitoring device 220, the target chart 240 and the light source power supply 250 are all arranged in a shell, the light source group 210 is arranged at one end of the shell, an opening is further formed in one end of the shell and used for placing a lens of a near-infrared camera 111 of the microcirculation imaging neuroelectrophysiology detection device 1 to be calibrated, the target chart 240 is arranged at the other end of the shell, the target chart 240 is used for receiving and displaying light emitted by the light source group 210 and an LED near-infrared light source of the microcirculation imaging neuroelectrophysiology detection device 1, the monitoring device 220 is used for obtaining an image displayed on the target chart 240 and sending the image to the display device 230 for displaying, the display device 230 is arranged outside the shell, and the light source power supply 250 is used for providing power for the light source group 210; a guide rail is arranged between the top and one end of the shell, the light source group 210 is arranged on a moving part of the guide rail, when the light source group 210 is needed, the light source group 210 moves from the top of the shell to one end of the shell, and the light source group 210 and the guide rail do not shield an opening at one end of the shell; when the light source group 210 is not needed, the light source group 210 is from one end of the housing to the top of the housing;
the method comprises the following steps:
s1, driving the moving part of the guide rail to enable the light source group 210 to move from one end of the shell to the top of the shell;
s2, placing a near-infrared camera 111 lens of the microcirculation imaging neuroelectrophysiology detection device 1 at an opening at one end of the shell, turning on a power supply of the microcirculation imaging neuroelectrophysiology detection device 1, and starting the microcirculation imaging neuroelectrophysiology detection device 1;
s3, opening the two laser tubes 112 of the microcirculation imaging neuroelectrophysiology detection device 1, wherein the lasers emitted by the two laser tubes 112 are the focusing indication points of the near-infrared camera 111, and the two beams of lasers are incident on the target panel 240;
and S4, acquiring a laser point on the central area of the target chart 240 through the monitoring device 220, adjusting a screw of the laser tube 112 in the near-infrared camera 111 to project the indication point to the central area of the target chart, ensuring that the two laser points are overlapped, fixing the screw after the overlapping is determined, and finishing the focusing adjustment.
The invention also provides a method for calibrating the medical instrument, which is realized based on a calibration system, wherein the system comprises a shell, a light source group 210, a monitoring device 220, a display device 230, a target panel 240 and a light source power supply 250;
the light source group 210, the monitoring device 220, the target chart 240 and the light source power supply 250 are all arranged in a shell, the light source group 210 is arranged at one end of the shell, an opening is further formed in one end of the shell and used for placing a lens of a near-infrared camera 111 of the microcirculation imaging neuroelectrophysiology detection device 1 to be calibrated, the target chart 240 is arranged at the other end of the shell, the target chart 240 is used for receiving and displaying light emitted by the light source group 210 and an LED near-infrared light source of the microcirculation imaging neuroelectrophysiology detection device 1, the monitoring device 220 is used for obtaining an image displayed on the target chart 240 and sending the image to the display device 230 for displaying, the display device 230 is arranged outside the shell, and the light source power supply 250 is used for providing power for the light source group 210; a guide rail is arranged between the top and one end in the shell, the light source group 210 is arranged on a moving part of the guide rail, when the light source group 210 is needed, the light source group 210 moves from the top of the shell to one end of the shell, and the light source group 210 and the guide rail do not shield an opening at one end of the shell; when the light source group 210 is not needed, the light source group 210 is from one end of the housing to the top of the housing;
the method comprises the following steps:
s1, driving the moving parts of the guide rail, so that the light source set 210 moves from the top of the housing to one end of the housing, turning on the light source power supply 250, so that the light source set 210 emits light and enters the central area of the target graphic board 240, and the monitoring device 220 obtains the brightness of the light reflected from the central area of the target graphic board 240;
s2, the display device 230 determines whether the brightness obtained by the monitoring device 220 meets the calibration requirement, if yes, the process goes to S3, if no, the brightness of the light source group 210 is adjusted to meet the calibration requirement, and the process goes to S3;
s3, placing the near-infrared camera 111 of the microcirculation imaging neuroelectrophysiology detection device 1 at an opening at one end of the shell, turning on a power supply of the microcirculation imaging neuroelectrophysiology detection device 1, starting the microcirculation imaging neuroelectrophysiology detection device 1, viewing a black cross line and a square frame on a target graph board 240 through a display window 120 of the microcirculation imaging neuroelectrophysiology detection device 1, adjusting the focusing ring 113 on the lens of the near-infrared camera 111, and when the black cross line and the square frame are clear, locking the focusing ring 113 and adjusting the focal length.
The invention has the beneficial effects that aiming at the factory-delivered microcirculation imaging neuroelectrophysiology detection device, the invention provides a calibration system which can realize aperture calibration, light source calibration, focusing calibration and lens focal length calibration and ensure that the optical parameters and the image acquisition parameters of the microcirculation imaging neuroelectrophysiology detection device are consistent, accurate and safe.
Drawings
FIG. 1 is a schematic diagram of a calibration system of the present invention;
FIG. 2 is a schematic view of a target panel;
FIG. 3 is a schematic diagram of aperture calibration;
FIG. 4 is a schematic diagram of light source calibration;
FIG. 5 is a schematic diagram of focus calibration;
fig. 6 is a schematic diagram illustrating the focal length calibration of the lens.
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.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
As shown in fig. 1 and fig. 2, a medical instrument calibration system of the present embodiment includes a housing, a light source set 210, a monitoring device 220, a display device 230, a target board 240, and a light source power supply 250;
the light source group 210, the monitoring device 220, the target panel 240 and the light source power supply 250 are all arranged in a housing, the light source group 210 is arranged at one end of the housing, the target panel 240 is arranged at the other end of the housing, and during calibration, light emitted by the light source group 210 needs to be incident on the target panel 240; an opening is further formed in one end of the shell, where the light source group 210 is arranged, the light source group 210 does not block the opening, and the opening is used for placing a lens of the near-infrared camera 111 of the microcirculation imaging neuroelectrophysiology detection device 1 to be calibrated; target map board 240 is used for receiving and showing the light of light source group 210 and microcirculation imaging neuroelectrophysiology detection device 1's LED near infrared light source transmission, and monitoring devices 220 is used for obtaining the image that shows on the target map board 240 to send this image to display device 230 and show, and display device 230 sets up at the casing outside, and the person observes to be convenient for calibrator, and the light source power 250 of this embodiment is used for providing the power for light source group 210.
The microcirculation imaging neuroelectrophysiology detection device 1 of the embodiment comprises a peripheral nerve detection device, a microcirculation imaging device 110 and a display window 120, the calibration system of the embodiment is used for calibrating the microcirculation imaging device 110, and the microcirculation imaging device 110 comprises a near-infrared camera 111, an LED near-infrared light source, two laser tubes 112 and a microcirculation imaging microprocessor;
the laser light emitted by the two laser tubes 112 is the focusing indication point of the near-infrared camera 111.
The calibration system of the embodiment can realize aperture calibration, light source calibration, focus calibration and lens focal length calibration, and the aperture calibration and the focus calibration do not need the light source group 210, so the embodiment has a guide rail between the top and one end inside the housing, the light source group 210 is arranged on the moving part of the guide rail, when the light source group 210 is needed, the light source group 210 moves from the top of the housing to one end of the housing, and the light source group 210 and the guide rail do not shield the opening at one end of the housing; when the light source group 210 is not needed, the light source group 210 is from one end of the housing to the top of the housing.
The system of this embodiment further comprises a power switch 260 and an input power 270, the power switch is disposed outside the housing and is used for controlling the input power 270 to provide working power for the monitoring device 220, the display device 230, the light source power 250 and the moving components of the guide rail. The input power supply 270 of the present embodiment is for inputting a 12V power supply;
example 1: the calibration system of the present embodiment is used for aperture calibration, and uses the light source group 210 inside the housing as a standard light source to emit light for detection by the near-infrared camera 111 of the neuro-electrophysiological detection device 1 itself through microcirculation imaging, as shown in fig. 3, and specifically includes the following steps:
firstly, inputting a 12V power supply by using an input power supply 270, turning on a power supply switch 260, driving a moving part of a guide rail, enabling a light source group 210 to move from the top of a shell to one end of the shell, turning on a light source power supply 250, enabling the light source group 210 to emit light and emit the light to the central area of a target graph board 240, and acquiring the brightness of the light reflected back on the central area of the target graph board 240 by using a monitoring device 220;
step two, determining whether the brightness acquired by the monitoring device 220 meets the calibration requirement through the display device 230, if so, turning to step three, otherwise, adjusting the brightness of the light source group 210 to enable the brightness to meet the calibration requirement, and turning to step three;
placing the lens of the near-infrared camera 111 of the microcirculation imaging neuro-electrophysiological detection device 1 at the opening at one end of the housing, turning on the power supply of the microcirculation imaging neuro-electrophysiological detection device 1, starting the microcirculation imaging neuro-electrophysiological detection device 1, viewing the brightness of light reflected from the central area of the target panel 240 through the display window 120 of the microcirculation imaging neuro-electrophysiological detection device 1, adjusting the aperture size of the lens of the near-infrared camera 111, adjusting the aperture ring to a specified brightness value, locking the aperture ring, and completing aperture calibration.
Example 2: the calibration system of the embodiment is used for light source calibration, and irradiates light emitted by the LED near-infrared light source of the neuro-electrophysiological detection device 1 using the monitoring device 220 and microcirculation imaging, and then displays a reflected brightness signal in a digital form on a display screen, as shown in fig. 4, specifically including the following steps:
firstly, inputting a 12V power supply by using an input power supply 270, turning on a power switch 260, and driving a moving part of a guide rail to enable a light source group 210 to move from one end of a shell to the top of the shell;
placing a lens of a near-infrared camera 111 of the microcirculation imaging neuroelectrophysiology detection device 1 at an opening at one end of the shell, turning on a power supply of the microcirculation imaging neuroelectrophysiology detection device 1, and starting the microcirculation imaging neuroelectrophysiology detection device 1;
turning on an LED near-infrared light source of the microcirculation imaging neuroelectrophysiology detection device 1, and enabling the LED near-infrared light source to be incident to the central area of the target panel 240;
and step four, adjusting the brightness of the LED near-infrared light source through a light source adjusting program of the microcirculation imaging neuroelectrophysiological detection device 1 to gradually brighten the LED near-infrared light source, acquiring the brightness of light reflected back from the central area of the target graph board 240 through the monitoring device 220 at the moment, stopping adjusting the light source adjusting program of the microcirculation imaging neuroelectrophysiological detection device 1 when the brightness reaches a preset value, and storing an adjusting value into the microcirculation imaging neuroelectrophysiological detection device 1 to finish light source calibration.
Example 3: the calibration system of the embodiment is used for focusing calibration, monitors the position of a laser pointer in a target plate area by using the monitoring device 220, and adjusts the adjusting screw of the laser tube mounting seat of the microcirculation imaging neuroelectrophysiological detection device 1 to enable 2 bright spots to be superposed in the center frame of the target plate, as shown in fig. 5, the calibration system specifically comprises the following steps:
step one, driving a moving part of a guide rail to enable a light source group 210 to move from one end of a shell to the top of the shell;
placing a near-infrared camera 111 lens of the microcirculation imaging neuroelectrophysiological detection device 1 at an opening at one end of the shell, turning on a power supply of the microcirculation imaging neuroelectrophysiological detection device 1, and starting the microcirculation imaging neuroelectrophysiological detection device 1;
step three, opening two laser tubes 112 of the microcirculation imaging neuroelectrophysiological detection device 1, wherein the laser emitted by the two laser tubes 112 is a focusing indication point of the near-infrared camera 111, and two beams of laser are incident on a target picture plate 240;
and step four, acquiring a laser point on the central area of the target chart 240 through the monitoring device 220, adjusting a screw of the laser tube 112 in the near-infrared camera 111 to project the indicating point to the central area of the target chart, ensuring that the two laser points are overlapped, fixing the screw after the overlapping is determined, and finishing the focusing adjustment.
Example 4: the calibration system of the embodiment is used for calibrating the focal length of a lens, after the microcirculation imaging neuroelectrophysiological detection device 1 is started, a focusing button is clicked to determine the focusing effect by observing the definition of the crossed black lines of a target plate, and as shown in fig. 6, the calibration system specifically comprises the following steps:
step one, driving a moving part of the guide rail to move the light source group 210 from the top of the housing to one end of the housing, turning on the light source power supply 250 to make the light source group 210 emit light and enter the central area of the target graphic board 240, and acquiring the brightness of the light reflected back from the central area of the target graphic board 240 by the monitoring device 220;
step two, determining whether the brightness acquired by the monitoring device 220 meets the calibration requirement through the display device 230, if so, turning to step three, otherwise, adjusting the brightness of the light source group 210 to enable the brightness to meet the calibration requirement, and turning to step three;
and step three, placing the near-infrared camera 111 of the microcirculation imaging neuro-electrophysiological detection device 1 at an opening at one end of the shell, turning on a power supply of the microcirculation imaging neuro-electrophysiological detection device 1, starting the microcirculation imaging neuro-electrophysiological detection device 1, viewing a black cross line and a square frame on a target graph board 240 through a display window 120 of the microcirculation imaging neuro-electrophysiological detection device 1, adjusting the focusing ring 113 on the lens of the near-infrared camera 111, and when the black cross line and the square frame are clear, locking the focusing ring 113 and adjusting the focal length to complete the operation.
Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that various dependent claims and the features described herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.
Claims (2)
1. A medical instrument calibration method is realized based on a calibration system, wherein the system comprises a shell, a light source group (210), a monitoring device (220), a display device (230), a target chart (240) and a light source power supply (250);
the light source group (210), the monitoring device (220), the target chart (240) and the light source power supply (250) are all arranged in the shell, the light source group (210) is arranged at one end of the shell body, an opening is also arranged at one end of the shell body, a lens used for placing a near-infrared camera (111) of the microcirculation imaging neuroelectrophysiology detection device (1) to be calibrated, a target chart board (240) is arranged at the other end of the shell, the target chart board (240) is used for receiving and displaying light emitted by the light source group (210) and an LED near-infrared light source of the microcirculation imaging neuroelectrophysiology detection device (1), a monitoring device (220) is used for acquiring an image displayed on the target chart board (240), the image is sent to a display device (230) for display, the display device (230) is arranged outside the shell, and the light source power supply (250) is used for supplying power to the light source group (210); the light source group (210) moves from the top of the shell to one end of the shell when the light source group (210) is needed, and the light source group (210) and the guide rail do not shield an opening at one end of the shell; when the light source group (210) is not needed, the light source group (210) is from one end of the shell to the top of the shell; the method comprises the following steps:
s1, driving a moving part of the guide rail, enabling the light source group (210) to move from the top of the shell to one end of the shell, turning on a light source power supply (250), enabling the light source group (210) to emit light and to be incident to the central area of the target graph board (240), and enabling the monitoring device (220) to obtain the brightness of the light reflected back on the central area of the target graph board (240);
s2, determining whether the brightness acquired by the monitoring device (220) meets the calibration requirement through the display device (230), if so, turning to S3, otherwise, adjusting the brightness of the light source group (210) to enable the brightness to meet the calibration requirement, and turning to S3;
s3, placing a lens of a near-infrared camera (111) of the microcirculation imaging neuroelectrophysiology detection device (1) at an opening at one end of a shell, turning on a power supply of the microcirculation imaging neuroelectrophysiology detection device (1), starting the microcirculation imaging neuroelectrophysiology detection device (1), observing the brightness of light reflected from the central area of a target picture plate (240) through a display window (120) of the microcirculation imaging neuroelectrophysiology detection device (1), adjusting the aperture size of the lens of the near-infrared camera (111), adjusting the aperture ring to a specified brightness value, locking the aperture ring, and completing aperture calibration.
2. A medical instrument calibration method is realized based on a calibration system, wherein the system comprises a shell, a light source group (210), a monitoring device (220), a display device (230), a target chart (240) and a light source power supply (250);
the light source group (210), the monitoring device (220), the target chart (240) and the light source power supply (250) are all arranged in the shell, the light source group (210) is arranged at one end of the shell, an opening is also arranged at one end of the shell, a lens of a near-infrared camera (111) for placing the microcirculation imaging neuro-electrophysiological detection device (1) to be calibrated, a target chart board (240) arranged at the other end of the housing, a target chart board (240) for receiving and displaying light emitted by the light source group (210) and the LED near-infrared light source of the microcirculation imaging neuro-electrophysiological detection device (1), a monitoring device (220) for acquiring an image displayed on the target chart board (240), the image is sent to a display device (230) to be displayed, the display device (230) is arranged outside the shell, and the light source power supply (250) is used for supplying power to the light source group (210); the light source group (210) moves from the top of the shell to one end of the shell when the light source group (210) is needed, and the light source group (210) and the guide rail do not shield an opening at one end of the shell; when the light source group (210) is not needed, the light source group (210) is from one end of the shell to the top of the shell; the method comprises the following steps:
s1, driving the moving part of the guide rail to move the light source group (210) from one end of the shell to the top of the shell;
s2, placing a lens of a near-infrared camera (111) of the microcirculation imaging neuro-electrophysiological detection device (1) at an opening at one end of the shell, turning on a power supply of the microcirculation imaging neuro-electrophysiological detection device (1), and starting the microcirculation imaging neuro-electrophysiological detection device (1);
s3, turning on an LED near-infrared light source of the microcirculation imaging neuroelectrophysiology detection device (1), and enabling the LED near-infrared light source to be incident to the central area of a target picture board (240);
s4, adjusting the brightness of the LED near-infrared light source through the light source adjusting program of the microcirculation imaging neuro-electrophysiological detection device (1) to gradually brighten the LED near-infrared light source, acquiring the brightness of light reflected back on the central area of the target graph board (240) through the monitoring device (220), stopping adjusting the light source adjusting program of the microcirculation imaging neuro-electrophysiological detection device (1) when the brightness reaches a preset value, and storing an adjusting value into the microcirculation imaging neuro-electrophysiological detection device (1) to finish light source calibration.
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| CN1665442A (en) * | 2000-05-02 | 2005-09-07 | 森西斯医药有限公司 | Fiber optic probe placement guide device |
| CN103445764A (en) * | 2013-09-04 | 2013-12-18 | 广州医软智能科技有限公司 | Device and method for monitoring microcirculation imaging |
| CN204330129U (en) * | 2014-09-12 | 2015-05-13 | 无锡市星迪仪器有限公司 | The brightness detection instrument of built-in light source |
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| US7519406B2 (en) * | 2004-04-28 | 2009-04-14 | Sensys Medical, Inc. | Noninvasive analyzer sample probe interface method and apparatus |
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|---|---|---|---|---|
| CN1665442A (en) * | 2000-05-02 | 2005-09-07 | 森西斯医药有限公司 | Fiber optic probe placement guide device |
| CN103445764A (en) * | 2013-09-04 | 2013-12-18 | 广州医软智能科技有限公司 | Device and method for monitoring microcirculation imaging |
| CN204330129U (en) * | 2014-09-12 | 2015-05-13 | 无锡市星迪仪器有限公司 | The brightness detection instrument of built-in light source |
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Denomination of invention: A calibration method for medical devices Granted publication date: 20220726 Pledgee: Harbin Kechuang Financing Guarantee Co.,Ltd. Pledgor: HARBIN HAIHONG JIYE TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2024230000027 |