CN110584594A - Slit lamp microscope with invisible light source - Google Patents

Abstract

The invention discloses a slit lamp microscope with an invisible light source, which belongs to the field of microscopes. A slit lamp microscope with an invisible light source includes a detection platform, the detection platform, and a sliding frame fixedly installed on the top of the detection platform. The upper part of the sliding frame is slidably connected to the microscope support, and the top of the microscope support is fixedly connected with a light detection device. The present invention adopts the non-visible light source design, and there is no strong light source to irradiate the human eye, so that the human eye will not feel discomfort and pain under the condition of strong light, which reduces the damage to the eye and is convenient for the user Apply through the LCD screen to extract the images inside the data storage module through the data processing module for re-observation, reduce the number of re-examinations, and improve the diagnosis rate at the same time. The electronic optical path system design and the LCD screen clearly show the ocular surface tissues of the anterior segment. Through the non-visible light generation "optical section" to clearly observe the transverse section and deep tissue lesions, etc.

Description

A Slit Lamp Microscope with Invisible Light Source

technical field

The invention relates to the field of microscopes, in particular to a slit lamp microscope with an invisible light source.

Background technique

Slit lamp microscope, as the name suggests, is that the light illuminates the eyes through a slit. Because it is a narrow slit light source, it is called a "light knife". The "light knife" is irradiated on the eyes to form an optical section, and the eyes can be observed The principle of the health status of each part is to use the "Tyndall phenomenon" of the British physicist Tyndall. Bright "passage", this phenomenon is called Tyndall phenomenon, also called Tyndall effect.

However, since the slit lamp microscope needs to use strong light to irradiate the patient's eyes to form the effect of optical section, the patient's eyes will be very uncomfortable during the examination, and the strong light irradiates the eyes for more than three seconds The eyes will appear dizzy and blind, which will cause certain damage. Therefore, a slit lamp microscope with an invisible light source is proposed to solve the above problems.

Contents of the invention

1. Technical problems to be solved

In view of the problems existing in the prior art, the object of the present invention is to provide a slit lamp microscope with a non-visible light source, which has the advantage of using a non-visible light source, and solves the problem that the current slit lamp microscope needs to use strong light to hurt the patient's eyes. Irradiate the whole area to form an optical section, which will make the patient's eyes very uncomfortable during the examination, and the eyes will be dazzled and blind when the strong light is irradiated on the eyes for more than three seconds, which will cause certain damage.

2. Technical solution

In order to solve the above problems, the present invention adopts the following technical solutions.

A slit lamp microscope with a non-visible light source, comprising a detection table, the detection table, a sliding frame fixedly installed on the top of the detection table, the upper sliding frame of the sliding frame is connected to the microscope bracket, and the top of the microscope bracket is fixedly connected to There is a light detection device, the sliding frame is fixedly connected with a positioning frame, the positioning frame is located on the back of the microscope support, the top of the positioning frame is fixedly installed with an invisible light source, and the top of the detection table is fixedly connected with a display table , the display table is located on the right side of the sliding frame, the top of the display table is embedded with a liquid crystal display screen fixedly connected to it, the inside of the display table is fixedly installed with a data processor, and the output terminal of the data processor Electrically connected to the input terminal of the liquid crystal display;

The light detection device includes an observation tube, an infrared imaging tube is fixedly installed inside the observation tube, a photosensitive diode is fixedly installed inside the observation tube, the output end of the photosensitive diode is connected to the input end of the data processor electrical connection;

The data processor includes a current amplifier, an AD conversion module, a data storage module and a data processing module, the output of the photodiode is electrically connected to the input of the current amplifier, and the output of the current amplifier is connected to the AD conversion module The input end of the AD conversion module is electrically connected to the input end of the data processing module, the data processing module is electrically connected to the data storage module in two directions, and the liquid crystal display is connected to the data processing module. Two-way electrical connection between modules.

Preferably, the liquid crystal display is a multi-touch capacitive screen.

Preferably, the invisible light source is an infrared light source.

Preferably, a chin positioning plate and a head positioning plate are fixedly connected to the positioning frame, and the head positioning plate is located on the top of the chin positioning plate.

Preferably, a shading plate is fixedly installed on the top of the display table, and the shading plate is located on the top of the liquid crystal display screen.

3. Beneficial effect

Compared with the prior art, the present invention has the advantages of:

(1) This program uses non-visible light source to irradiate the patient's eyes, then uses the light detection device to receive the refracted light, displays the non-visible light through the infrared imaging tube inside the observation tube, and then receives the light signal through the photodiode, and then Converting to analog signals, due to the low light intensity of the image, it is necessary to amplify the analog signals through the current amplifier contained in the data processor, and then convert the analog signals into data signals through the AD conversion module and transmit them to the data processing module to process the data signals. It is transmitted to the data storage module for storage. On the one hand, the data signal is transmitted to the LCD screen for display, so as to achieve the design of non-visible light source. There is no strong light source to irradiate the human eye, and the human eye will not be exposed to strong light. Under certain conditions, you will feel discomfort and pain, which reduces the damage to your eyes, and it is also convenient for users to apply for re-observation through the LCD screen through the data processing module to extract the images inside the data storage module, reducing the number of re-tests and improving the diagnosis rate. The electronic optical path system design and the liquid crystal display clearly show the ocular surface tissues of the anterior segment, and the "optical section" generated by non-visible light can clearly observe the transverse section and deep tissue lesions.

(2) This solution uses a multi-touch capacitive screen, which can be operated by pressing keys on the LCD screen, which is convenient for users to operate.

(3) This solution uses infrared rays as the light source. In the absence of a visible light source, the image observed by the lens can still be displayed brightly and clearly through the infrared imaging device.

(4) In this scheme, the patient's head is conveniently positioned through the chin positioning plate and the head positioning plate arranged on the positioning frame, and the microscope is convenient for observing the patient's eyes.

(5) In this solution, the reflective effect of external light on the liquid crystal display screen is reduced through the shading plate, which is convenient for users to observe the images displayed on the liquid crystal display screen.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the working schematic diagram of light detection device of the present invention;

Fig. 3 is the working schematic diagram of data processor of the present invention;

Fig. 4 is a right-view cross-sectional structural schematic diagram of the display table of the present invention.

Explanation of symbols in the figure:

1. Detection platform; 2. Sliding frame; 3. Microscope bracket; 4. Light detection device; 41. Observation tube; 42. Infrared image transformation tube; 43. Photosensitive diode; 5. Positioning frame; 51. Chin positioning plate; 52 , head positioning board; 6, display stand; 7, liquid crystal display screen; 8, data processor; 81, current amplifier; 82, AD conversion module; 83, data storage module; 84, data processing module; 9, invisible Light source; 10, shading plate.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention; obviously, the described embodiments are only part of the embodiments of the present invention, not all embodiments, based on The embodiments of the present invention and all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "upper", "lower", "inner", "outer" and "top/bottom" are based on the orientations or positional relationships shown in the drawings. The positional relationship is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise specified and limited, the terms "installed", "set with", "sleeved/connected", "connected", etc. should be understood in a broad sense, such as " Connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be an internal connection between two components. connectivity. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

Please refer to Figures 1-4, a slit lamp microscope with an invisible light source, including a detection table 1, a detection table 1, a sliding frame 2 fixedly installed on the top of the detection table 1, and a microscope support 3 slidingly connected to the top of the sliding frame 2, the microscope The top of the bracket 3 is fixedly connected with a light detection device 4, the sliding frame 2 is fixedly connected with a positioning frame 5, the positioning frame 5 is located at the back of the microscope frame 3, the top of the positioning frame 5 is fixedly installed with an invisible light source 9, and the detection platform 1 The top is fixedly connected with a display stand 6, the display stand 6 is located on the right side of the sliding frame 2, the top of the display stand 6 is embedded with a liquid crystal display 7 fixedly connected with it, and the inside of the display stand 6 is fixedly installed with a data processor 8. The output end of the processor 8 is electrically connected to the input end of the liquid crystal display 7;

The light detection device 4 includes an observation tube 41, an infrared imaging tube 42 is fixedly installed inside the observation tube 41, a photodiode 43 is fixedly installed inside the observation tube 41, the output end of the photodiode 43 is connected to the input end of the data processor 8 electrical connection;

The data processor 8 includes a current amplifier 81, an AD conversion module 82, a data storage module 83 and a data processing module 84. The output end of the photodiode 43 is electrically connected to the input end of the current amplifier 81, and the output end of the current amplifier 81 is connected to the AD The input end of the conversion module 82 is electrically connected, the output end of the AD conversion module 82 is electrically connected to the input end of the data processing module 84, and the bidirectional electrical connection between the data processing module 84 and the data storage module 83, the liquid crystal display 7 and the The data processing modules 84 are electrically connected in two directions, using a non-visible light source to irradiate the patient's eyes, and then using the light detection device 4 to receive the refracted light, and the infrared image conversion tube 42 inside the observation tube 41 to display the non-visible light. Then the light signal is received by the photodiode 43, and then converted into an analog signal. Because the light intensity of the image is low, the analog signal needs to be amplified by the current amplifier 81 included in the data processor 8, and then the analog signal is converted into a data signal by the AD conversion module 82. Pass it to the data processing module 84, process the data signal and transmit it to the data storage module 83 for storage on the one hand, and transmit the data signal to the liquid crystal display 7 for display on the other hand, so as to achieve the design of non-visible light source without strong light source Irradiating the eyes of the human body will not make the eyes of the human body feel uncomfortable and painful under the condition of strong light, which reduces the damage to the eyes, and also facilitates the user to apply for data storage through the data processing module 84 through the liquid crystal display 7 The image inside the module 83 is re-observed to reduce the number of re-examinations and improve the diagnosis rate at the same time. The electronic optical path system design and the liquid crystal display screen clearly show the ocular surface tissues of the anterior segment, and the "optical section" is clearly observed through non-visible light. Sectional and deep tissue lesions.

Further, the liquid crystal display screen 7 is a multi-touch capacitive screen, and the multi-touch capacitive screen can be used to perform key operation functions on the liquid crystal display screen 7, which is convenient for users to operate.

Further, the invisible light source 9 is an infrared light source, and infrared light is used as the light source. In the absence of a visible light source, the image observed by the lens can still be displayed brightly and clearly through the infrared imaging device.

Further, the positioning frame 5 is fixedly connected with the chin positioning plate 51 and the head positioning plate 52. The plate 52 is convenient for positioning the patient's head and for observing the patient's eyes with a microscope.

Further, the top of the display stand 6 is fixedly equipped with a shading plate 10, the shading plate 10 is located on the top of the liquid crystal display 7, and the light shading plate 10 reduces the reflection effect of external light on the liquid crystal display 7, which is convenient for users to observe the liquid crystal display 7 The displayed image.

The model of the infrared image converter 42 is Yunguang 5BX601, the model of the photodiode 43 is Everlight PD438B, the model of the liquid crystal display 7 is Yuntouch Smart Touch Display 004, and the model of the current amplifier 81 is Chengbei J15032AD , the model of the conversion module 82 is Wankesheng PCF8591, the model of the data storage module 83 is GCAN-402, and the model of the data processing module 84 is USR-GPRS232-734

Working principle: This scheme uses non-visible light source to irradiate the patient's eyes, then uses the light detection device 4 to receive the refracted light, displays the non-visible light through the infrared imaging tube 42 inside the observation tube 41, and then receives it through the photodiode 43 The light signal is then converted into an analog signal. Due to the low light intensity of the image, the analog signal needs to be amplified by the current amplifier 81 included in the data processor 8, and then the analog signal is converted into a data signal by the AD conversion module 82 and transmitted to the data processing module 84 On the one hand, the data signal is processed and transmitted to the data storage module 83 for storage, and on the other hand, the data signal is transmitted to the liquid crystal display 7 for display, so as to achieve the design of non-visible light source, and there is no strong light source to irradiate the human eye , will not make human eyes feel discomfort and pain under the condition of strong light, reduce the damage to the eyes, and also facilitate the user to apply through the liquid crystal display 7 and extract the image inside the data storage module 83 through the data processing module 84 again Observation reduces the number of re-examinations and improves the diagnosis rate. The electronic optical path system design and the liquid crystal display clearly show the ocular surface tissues of the anterior segment, and the "optical section" generated by non-visible light can clearly observe the transverse section and deep tissue lesions. The multi-touch capacitive screen is adopted, and the liquid crystal display screen 7 can be operated by keys, which is convenient for the user to operate.

The above description is only a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto. Anyone familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention and its improved concept to make equivalent replacements or changes shall fall within the scope of protection of the present invention.

Claims (5)

1. A slit-lamp microscope with invisible light source, comprising a detection table (1), characterized in that: the top of the detection table (1) is fixedly provided with a sliding frame (2), the upper part of the sliding frame (2) is connected with a microscope bracket (3) in a sliding way, the top of the microscope bracket (3) is fixedly connected with a light ray detection device (4), the sliding frame (2) is fixedly connected with a positioning frame (5), the positioning frame (5) is positioned on the back surface of the microscope support (3), the top of the positioning frame (5) is fixedly provided with a non-visible light source (9), the top of the detection table (1) is fixedly connected with a display table (6), the display table (6) is positioned at the right side of the sliding frame (2), a liquid crystal display (7) is fixedly connected with the display platform (6) in an embedded manner at the top part thereof, a data processor (8) is fixedly arranged in the display platform (6), the output end of the data processor (8) is electrically connected with the input end of the liquid crystal display screen (7);

the light ray detection device (4) comprises an observation barrel (41), an infrared image converter tube (42) is fixedly installed inside the observation barrel (41), a photosensitive diode (43) is fixedly installed inside the observation barrel (41), and the output end of the photosensitive diode (43) is electrically connected with the input end of the data processor (8);

data processor (8) is including current amplifier (81), AD conversion module (82), data storage module (83) and data processing module (84), the output of photodiode (43) and the input electric connection of current amplifier (81), the output of current amplifier (81) and the input electric connection of AD conversion module (82), the output of AD conversion module (82) and the input electric connection of data processing module (84), two-way electric connection between data processing module (84) and data storage module (83), two-way electric connection between liquid crystal display (7) and data processing module (84).

2. The slit-lamp microscope of claim 1, wherein: the liquid crystal display screen (7) is a multi-touch capacitive screen.

3. The slit-lamp microscope of claim 1, wherein: the non-visible light source (9) is an infrared light source.

4. The slit-lamp microscope of claim 1, wherein: the jaw positioning plate (51) and the head positioning plate (52) are fixedly connected to the positioning frame (5), and the head positioning plate (52) is located at the top of the jaw positioning plate (51).

5. The slit-lamp microscope of claim 1, wherein: and a light screen (10) is fixedly mounted at the top of the display platform (6), and the light screen (10) is positioned at the top of the liquid crystal display screen (7).