CN217793008U - Early screening device for fundus lesions - Google Patents
Early screening device for fundus lesions Download PDFInfo
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- CN217793008U CN217793008U CN202220780215.XU CN202220780215U CN217793008U CN 217793008 U CN217793008 U CN 217793008U CN 202220780215 U CN202220780215 U CN 202220780215U CN 217793008 U CN217793008 U CN 217793008U
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Abstract
The utility model discloses an early examination of eye ground pathological change device relates to head-mounted eye ground image acquisition device, and the purpose is in order to overcome the problem that current eye ground pathological change can not in time discover, include: two slots are symmetrically arranged in the shell, and openings of the two slots are positioned on the first side wall of the shell; the pair of eye testing and image acquisition devices are respectively embedded into the two slots through the openings, and the data transmission device is arranged inside the shell; the sealing device comprises an air bag, a micro air pump, a first air path and a second air path; the air bag is annular, is fixed on the first side wall in a sealing way and is arranged around the openings of the two slots; the micro air pump, the second air path and the first air path are all arranged inside the shell; one end of the second air passage is provided with a through hole on the other side wall of the shell, and the other end of the second air passage is communicated with an air inlet hole of the miniature air pump; one end of the first air path sequentially penetrates through the first side wall and the bag wall of the air bag so as to be communicated with the interior of the air bag; the other end is communicated with the air outlet of the micro air pump.
Description
Technical Field
The utility model relates to a head-mounted eye ground image acquisition device.
Background
Fundus lesions are prompting signals of various diseases, so the earlier the discovery of fundus lesions is better, and the discovery of fundus lesions in the present stage generally requires that a patient goes to a hospital for detection, which is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an early screening device of fundus lesions in order to overcome the problem that the existing fundus lesions can not be found in time.
The utility model discloses a fundus lesion early screening device, which comprises a shell, a pair of eye testing and image collecting devices, a data transmission device and a sealing device;
two slots are symmetrically arranged in the shell, and openings of the two slots are positioned on the first side wall of the shell;
the pair of eye testing and image acquisition devices are respectively embedded into the two slots through the openings, and the data transmission device is arranged inside the shell; the eye image signal output end and the test signal input end of the eye testing and image collecting device are respectively and electrically connected with the eye image signal input end and the test signal output end of the terminal through the data transmission device;
the sealing device comprises an air bag, a miniature air pump, a first air path and a second air path;
the air bag is annular, is fixed on the first side wall in a sealing way and is arranged around the openings of the two slots; the micro air pump, the second air path and the first air path are all arranged inside the shell;
one end of the second air path is provided with a through hole on the other side wall of the shell, and the other end of the second air path is communicated with an air inlet hole of the miniature air pump; the other side walls are the side walls of the shell except the first side wall;
one end of the first air path sequentially penetrates through the first side wall and the bag wall of the air bag so as to be communicated with the interior of the air bag; the other end is communicated with the air outlet of the micro air pump.
The beneficial effects of the utility model are that:
the utility model discloses an early screening device of wear-type eye ground pathological change, it is small, can use in family and community hospital, the popularity is high, can make patient can gather the eye ground image at home or community hospital to through long-range transmission to medical personnel's terminal, can in time discover the eye ground pathological change or monitor the eye ground condition after taking place or treating at any time.
Drawings
Fig. 1 is a schematic view of a split structure of the fundus disease early stage screening device of the present invention (the air bag and the head fixing band are not shown);
FIG. 2 is a schematic structural view of the fundus oculi lesion early screening device of the present invention without an air bag;
FIG. 3 is a schematic structural view of the fundus oculi lesion early screening device of the present invention without an air bag;
fig. 4 is an electrical schematic diagram of the fundus disease early screening device of the present invention.
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.
In a first specific embodiment, the device for screening early fundus lesions is characterized by comprising a shell 1, a pair of eye testing and image acquisition devices 2, a data transmission device 3 and a sealing device;
two slots 6 are symmetrically arranged in the shell 1, and openings of the two slots 6 are positioned on a first side wall 1-1 of the shell 1;
the pair of eye testing and image acquisition devices 2 are respectively embedded into the two slots 6 through the openings, and the data transmission device 3 is arranged inside the shell 1; the eye image signal output end and the test signal input end of the eye testing and image collecting device 2 are respectively and electrically connected with the eye image signal input end and the test signal output end of the terminal through the data transmission device 3;
the sealing device comprises an air bag 4-1, a micro air pump 4-2, a first air path 4-3 and a second air path 4-4;
the air bag 4-1 is annular, and the air bag 4-1 is hermetically fixed on the first side wall 1-1 and arranged around the openings of the two slots 6; the micro air pump 4-2, the first air path 4-3 and the second air path 4-4 are all arranged in the shell 1;
one end of the first air passage 4-3 sequentially penetrates through the first side wall 1-1 and the wall of the air bag 4-1 so as to be communicated with the inside of the air bag 4-1; the other end is communicated with an air outlet of the micro air pump 4-2;
one end of the second air path 4-4 is provided with a through hole on the other side wall of the shell 1, and the other end is communicated with an air inlet of the micro air pump 4-2; the other side walls are the side walls of the housing 1 except the first side wall 1-1.
Specifically, as shown in fig. 2 and 3, the device is a sealed head-wearing type device, and in order to be worn on the head of a human body, a head fixing band 8 which can form a ring structure with the housing 1 is required in addition to the housing 1. While the head fixation strap 8 is not shown in fig. 1.
When the device is worn by a person to be detected, the head of the person to be detected is positioned between the first side wall 1-1 of the shell 1 and the head fixing belt 8, and a certain gap is formed between the face of the person to be detected and the air bag 4-1 on the first side wall 1-1.
By starting the micro air pump 4-2, air is sucked in through the second air path 4-4 and rushes into the air bag 4-1 through the first air path 4-3, so that the swelled air bag 4-1 can fill a gap between the face of the person to be detected and the first side wall 1-1. Meanwhile, the head fixing band 8 can be made of elastic materials, so that the shell 1 is fixed with the head of the person to be detected, and a lighttight closed environment is formed between the face of the person to be detected and the first side wall 1-1. Wherein, in order to make the air bag 4-1 continuously usable, the air bag 4-1 should be provided with a vent hole (not shown in the figure).
The eye testing and image collecting device 2 may adopt an existing device for collecting an image of an early stage of fundus oculi lesion, such as a camera and a slit lamp. And usually, the optical sensor arranged on the camera can detect whether the sealed environment meets the sealing condition (the light intensity is less than a certain value) after the air bag 4-1 is inflated, and can collect fundus pictures of the person to be detected after the sealing condition is met.
The fundus picture can generate eye image signals, and the eye image signals are sent to a terminal through the data transmission device 3, wherein the terminal is a general terminal with an image display, such as a computer, a smart phone and the like. The acquired fundus picture can be observed or processed on a subsequent image through the terminal.
In this embodiment, the eye testing and image capturing device 2 includes a housing 2-1, a compensation lens 2-2, a polarizer 2-3, and a CMOS image capturing unit 2-4;
one side wall of the shell 2-1 is provided with a window 2-1-1;
the polaroid 2-3 is fixed on the window 2-1-1 to seal the shell 2-1;
the compensation lens 2-2 and the CMOS image acquisition unit 2-4 are fixed inside the shell 2-1 and are sequentially arranged behind the polaroid 2-3; the central axes of the compensation lens 2-2 and the CMOS image acquisition unit 2-4 are positioned on the same straight line and are vertical to the plane of the polaroid 2-3;
the eye image signal output end of the CMOS image acquisition unit 2-4 is used as the eye image signal output end of the eye test and image acquisition device 2 and is electrically connected with the eye image signal input end of the terminal.
Specifically, as shown in fig. 1, the CMOS image pickup unit 2-4 may replace the above-described camera, which is a main structure of the digital camera itself, and may pick up a clear fundus image by compensation of the compensation lens 2-2. And the parameter selection of the compensation lens 2-2 depends on the parameters of the CMOS image acquisition unit 2-4, the distance between the CMOS image acquisition unit 2-4 and the human eye of the compensation lens 2-2 and the like.
Moreover, because the device is a head-wearing device, the position of the human eye is relatively fixed, so that after the fixed positions of the CMOS image acquisition unit 2-4 and the compensating lens 2-2 are calculated, the human eye can fall into an acquisition range meeting the conditions, and the focal length does not need to be adjusted in the process of acquiring the image.
In this embodiment, the eye testing and image capturing device 2 further includes a beam splitter mirror 2-5, a lens set 2-6, and an LED light set 2-7;
the light splitting reflector 2-5 is fixed between the polaroid 2-3 and the compensation lens 2-2;
the lens group 2-6 and the LED lamp group 2-7 are fixed inside the shell 2-1 and are sequentially arranged above the light splitting reflector 2-5, and the central axes of the lens group 2-6 and the LED lamp group 2-7 are positioned on the same straight line and are vertical to the plane of the polaroid 2-3; the light emitted by the central point of the LED lamp group 2-7 is reflected by the reflecting surface of the light splitting reflector 2-5 and then is positioned on the same straight line with the central axis of the CMOS image acquisition unit 2-4;
the test signal input end of the LED lamp group 2-7 is used as the test signal input end of the eye test and image acquisition device 2 and is electrically connected with the test signal output end of the terminal.
Specifically, as shown in fig. 1, the LED lamp sets 2 to 7 are lamp sets including white LEDs and infrared LEDs, and the lamp sets may be arranged according to the existing fundus test principle, and generally, an even number of the LED lamps are distributed symmetrically about the central axis. The LED lamp group 2-7 receives the switch signals of corresponding LEDs and the like sent by the terminal through the test signals, sends out required light and enters the eyeground of human eyes through the transmission reflecting surface of the light-passing reflector 2-5.
And the fundus images of human eyes can pass through the transmission and reflection surfaces of the light splitting reflectors 2-5 to be collected by the CMOS image collecting units 2-4.
In a preferred embodiment, the present embodiment is a further limitation to the first embodiment, and in the present embodiment, the present embodiment further includes an adjusting device;
the adjusting device comprises a guide rail 5-1, a first sliding block 5-2 and a second sliding block 5-3 which are matched with the guide rail 5-1, and a pair of adjusting knobs 5-4;
the guide rail 5-1 is fixed in the shell 1 and is positioned above the pair of eye testing and image acquisition devices 2;
the first sliding block 5-2 and the second sliding block 5-3 are respectively fixed on the upper surfaces of the pair of eye testing and image acquisition devices 2 and are embedded into the guide rail 5-1, so that the eye testing and image acquisition devices 2 can move along the guide rail 5-1;
a pair of adjusting knobs 5-4 are respectively positioned on two side walls outside the shell 1; the two side walls are two side walls which are vertical to the extension line of the long axis of the guide rail 5-1;
the screw rods of the pair of adjusting knobs 5-4 respectively penetrate through the corresponding side walls and are in screw fit with screw holes respectively formed in the side walls of the corresponding eye testing and image acquisition devices 2; so that when the adjusting knob 5-4 is rotated, the corresponding eye testing and image acquiring device 2 can move along the long axis of the guide rail 5-1.
Specifically, as shown in fig. 1 to 3, since the present apparatus is head-mounted and collects both eyes at the same time, and the eye distances of different persons (such as adults and children) are different, it is necessary to adjust the alignment to acquire the fundus image at a desired position.
The adjusting device adopts a screw rod-like structure, can be converted into a linear structure through threads and guide rails with higher precision, and adopts paired adjusting knobs 5-4 to respectively adjust the pair of eye testing and image acquisition devices 2. And a linkage device can be arranged between the eye testing and image acquisition device 2, and the adjusting knob 5-4 on one side can be adjusted to symmetrically move the eye testing and image acquisition device 2.
Meanwhile, in order to ensure that the eye testing and image collecting device 2 can move, the slot 6 should be provided with a space margin for movement, and in order to ensure that the eye testing and image collecting device 2 can be kept in the slot 6, a baffle plate 9 can be fixedly arranged at the opening of the slot 6, the baffle plate 9 is also provided with an opening matched with the window 2-1-1, but the size of the opening is smaller than the size of the cross section of the eye testing and image collecting device 2, so that the eye testing and image collecting device 2 can be kept in the slot 6,
best mode for carrying out the invention this example is a further limitation of the first embodiment, in this example, the polarizing plates 2 to 3 are provided with positioning marks 7;
the central point of the positioning mark 7 is positioned on the central axis of the CMOS image acquisition unit 2-4.
Specifically, as shown in fig. 2 and 3, the positioning mark 7 is located on the central axis (optical axis) of the CMOS image capturing unit 2-4, and when the adjustment is performed by the adjusting device, the positioning mark 7 may be aligned with the center of the human eye through the image displayed on the terminal, or when image capturing at other positions is required, the positioning mark 7 may be aligned to a corresponding position as required.
In this embodiment, the sealing device further includes an air pump switch 4-5;
the air pump switch 4-5 is positioned on the outer side wall of the shell 1, and the switch signal output end of the air pump switch 4-5 is electrically connected with the switch signal input end of the micro air pump 4-2.
Specifically, the air pump switch 4-5 can be a physical switch to switch the micro air pump 4-2, and the micro air pump 4-2 can also be controlled by the terminal through the data transmission device 3.
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 herein may be incorporated in other ways than as described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other embodiments.
Claims (6)
1. The early screening device for the fundus lesions is characterized by comprising a shell (1), a pair of eye testing and image acquisition devices (2), a data transmission device (3) and a sealing device;
two slots (6) are symmetrically arranged in the shell (1), and openings of the two slots (6) are positioned on a first side wall (1-1) of the shell (1);
the pair of eye testing and image acquisition devices (2) are respectively embedded into the two slots (6) through openings, and the data transmission device (3) is arranged inside the shell (1); the eye image signal output end and the test signal input end of the eye testing and image collecting device (2) are respectively and electrically connected with the eye image signal input end and the test signal output end of the terminal through the data transmission device (3);
the sealing device comprises an air bag (4-1), a micro air pump (4-2), a first air path (4-3) and a second air path (4-4);
the air bag (4-1) is annular, and the air bag (4-1) is hermetically fixed on the first side wall (1-1) and arranged around the openings of the two slots (6); the micro air pump (4-2), the first air path (4-3) and the second air path (4-4) are all arranged inside the shell (1);
one end of the first air path (4-3) sequentially penetrates through the first side wall (1-1) and the bag wall of the air bag (4-1) so as to be communicated with the interior of the air bag (4-1); the other end is communicated with the air outlet of the micro air pump (4-2);
one end of the second air passage (4-4) is provided with a through hole on the other side wall of the shell (1), and the other end is communicated with an air inlet hole of the micro air pump (4-2); the other side walls are the side walls of the shell (1) except the first side wall (1-1).
2. An ocular fundus lesion early screening device according to claim 1, characterized in that the eye test and image acquisition device (2) comprises a housing (2-1), a compensation lens (2-2), a polarizer (2-3) and a CMOS image acquisition unit (2-4);
a window (2-1-1) is arranged on one side wall of the shell (2-1);
the polaroid (2-3) is fixed on the window (2-1-1) and seals the shell (2-1);
the compensation lens (2-2) and the CMOS image acquisition unit (2-4) are fixed inside the shell (2-1) and are sequentially arranged behind the polaroid (2-3); the central axes of the compensation lens (2-2) and the CMOS image acquisition unit (2-4) are positioned on the same straight line and are vertical to the plane where the polaroid (2-3) is positioned;
the eye image signal output end of the CMOS image acquisition unit (2-4) is used as the eye image signal output end of the eye testing and image acquisition device (2) and is electrically connected with the eye image signal input end of the terminal.
3. An ocular fundus lesion early screening apparatus according to claim 2, characterized in that the eye testing and image collecting apparatus (2) further comprises a beam splitter mirror (2-5), a lens group (2-6) and an LED lamp group (2-7);
the light splitting reflector (2-5) is fixed between the polaroid (2-3) and the compensation lens (2-2);
the lens group (2-6) and the LED lamp group (2-7) are fixed inside the shell (2-1) and are sequentially arranged above the light splitting reflector (2-5), and the central axes of the lens group (2-6) and the LED lamp group (2-7) are positioned on the same straight line and are vertical to the plane of the polaroid (2-3); light emitted by the central point of the LED lamp group (2-7) is reflected by the reflecting surface of the light splitting reflector (2-5) and then is positioned on the same straight line with the central axis of the CMOS image acquisition unit (2-4);
and the test signal input end of the LED lamp group (2-7) is used as the test signal input end of the eye test and image acquisition device (2) and is electrically connected with the test signal output end of the terminal.
4. An fundus lesion early screening device according to claim 3 further comprising adjustment means;
the adjusting device comprises a guide rail (5-1), a first sliding block (5-2) and a second sliding block (5-3) which are matched with the guide rail (5-1), and a pair of adjusting knobs (5-4);
the guide rail (5-1) is fixed in the shell (1) and is positioned above the pair of eye testing and image acquisition devices (2);
the first sliding block (5-2) and the second sliding block (5-3) are respectively fixed on the upper surfaces of the pair of eye testing and image acquisition devices (2) and are embedded into the guide rail (5-1), so that the eye testing and image acquisition devices (2) can move along the guide rail (5-1);
the pair of adjusting knobs (5-4) are respectively positioned on two side walls outside the shell (1); the two side walls are perpendicular to the long axis extension line of the guide rail (5-1);
the screw rods of the pair of adjusting knobs (5-4) respectively penetrate through the corresponding side walls and are in threaded fit with the screw holes respectively formed in the side walls of the corresponding eye testing and image acquisition devices (2); so that when the adjusting knob (5-4) is rotated, the corresponding eye testing and image acquisition device (2) can move along the long axis of the guide rail (5-1).
5. An ocular fundus lesion early screening apparatus according to claim 4, characterized in that the polarizing plate (2-3) is provided with a positioning mark (7);
the central point of the positioning mark (7) is positioned on the central axis of the CMOS image acquisition unit (2-4).
6. An ocular fundus lesion early screening apparatus as claimed in claim 1, wherein the sealing means further comprises an air pump switch (4-5);
the air pump switch (4-5) is positioned on the outer side wall of the shell (1), and the switch signal output end of the air pump switch (4-5) is electrically connected with the switch signal input end of the micro air pump (4-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220780215.XU CN217793008U (en) | 2022-04-06 | 2022-04-06 | Early screening device for fundus lesions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220780215.XU CN217793008U (en) | 2022-04-06 | 2022-04-06 | Early screening device for fundus lesions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217793008U true CN217793008U (en) | 2022-11-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220780215.XU Active CN217793008U (en) | 2022-04-06 | 2022-04-06 | Early screening device for fundus lesions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217793008U (en) |
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- 2022-04-06 CN CN202220780215.XU patent/CN217793008U/en active Active
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