Disclosure of Invention
The invention aims to solve the technical problem of providing a fundus imaging optical assembly based on mobile equipment aiming at the defects of the prior art.
The technical scheme for solving the technical problems is as follows:
the invention provides a fundus imaging optical assembly based on mobile equipment, which comprises:
an optical attachment comprising a partially reflective surface;
the illumination assembly is positioned at one end of the inner part of the outer frame and connected with the inner wall of the outer frame, the direction of light rays emitted by the illumination assembly faces towards the optical accessory and is perpendicular to the shooting direction of the camera of the mobile equipment, and the light rays emitted by the illumination assembly irradiate on the reflecting surface and form reflected light beams pointing to the glasses in the view field of the camera;
and the coupling device is detachably connected with the mobile device, positions the optical accessory at a position corresponding to a camera of the mobile device, and fixedly connects the lighting assembly on one side of the optical accessory.
The fundus imaging optical component based on the mobile equipment has the beneficial effects that the fundus imaging optical component based on the mobile equipment can be matched with various mobile equipment with different models to provide various shooting fields of view: 5 degrees, 20 degrees, 40 degrees, 60 degrees and 120 degrees, achieves the purpose that common medical staff and even normal people can take photos without mydriasis and mydriasis eyeground only by a smart phone, and provides a powerful tool for wide-range eyeground screening and eyeground disease monitoring. The device mainly comprises an illumination system with at least one light source for independently illuminating eyes of a patient, and can emit observation lights with different colors of white, red, green, yellow and the like. A binocular vision system connected with the illumination system is adopted by a doctor, and eyes can be inspected under the irradiation of an observation light source. The shooting process is realized by completely utilizing the shooting function of the intelligent mobile phone, and the optical lens group device specially used for shooting the fundus is fixed on the mobile phone by the special fixing clamp which is also designed to form a fundus camera to take the picture of fundus tissues.
Further, the coupling device comprises an outer frame and a connecting piece, the outer frame is a hollow frame body, the outer frame is detachably connected with the mobile equipment through the connecting piece, the optical accessory is located at one end of the inner portion of the outer frame and is connected with the inner wall of the outer frame, and the lighting assembly is located at one end of the inner portion of the outer frame and is connected with the inner wall of the outer frame.
The technical scheme has the beneficial effects that the structure of the specific coupling device is provided, the hollow outer frame can meet the fixing requirements of other accessories, all the accessories are combined into a whole, and a light path can be formed between the glasses to be detected and the lenses of the mobile equipment, so that the detection is facilitated. The connecting piece not only can be a clip type connecting piece, but also can be a cover body clamping piece matched with the shell of the mobile device, and can also be other connecting structures which can meet the requirement of connecting the chain with the detachable frame at the lens of the mobile device.
Further, the lighting assembly is capable of providing four color light sources, red, yellow, green, and white.
Further, the lighting assembly is an LED lamp group arranged in an array, and the LED lamp group comprises at least one red LED lamp, at least one yellow LED lamp, at least one green LED lamp and at least one white LED lamp.
Further, the lighting assembly comprises a white light LED lamp set and a filter plate, wherein the white light LED lamp set and the filter plate are connected with the coupling device, and the filter plate is positioned between the white light LED lamp set and the optical accessory.
Further, the coupling device is connected with an inserting plate groove, the optical filter plate is detachably inserted into the inserting plate groove, and the optical filter plate is a red optical filter plate, a green optical filter plate or a yellow optical filter plate.
The above-mentioned further scheme has the beneficial effects that the lighting component can provide red, white, yellow and green light sources according to different detection requirements, so that the detection result is clearer and more accurate, for example, for observing the lesion in the macula area, the detection using red light is clearer and more definite than the detection result using ordinary white light, and the detection and treatment of early lesions are facilitated.
Further, the optical attachment is a beam splitter.
Further, the optical accessory comprises a first spectroscope and a second spectroscope, and an included angle between the first spectroscope and the second spectroscope is 30-60 degrees.
The above further solution has the advantage of providing a specific structure of two optical attachments with reflecting surfaces, wherein for the beam splitter the reflecting surfaces are partial reflecting surfaces located therein; for the combination comprising the first beam splitter and the second beam splitter, the reflecting surface with partial reflection is the surface of the first beam splitter facing the illumination assembly.
Further, a polarizing filter is included, the polarizing filter being positioned between the optical accessory and the illumination assembly, the polarizing filter being coupled to the coupling device.
The further scheme has the beneficial effects that the use of the polarized filter avoids the interference of stray light, so that the light rays irradiated into human eyes are softer, and the detection effect is better while the human eyes are not stimulated.
Further, the device also comprises a baffle plate, wherein the middle part of the baffle plate is provided with a small hole, the baffle plate is positioned between the optical accessory and the illumination component, and the baffle plate is connected with the coupling device.
The further scheme has the beneficial effects that the light polymerization is realized by utilizing the small hole imaging principle, so that the detection result is clearer and more accurate.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
Example 1
As shown in fig. 1, the present invention provides a fundus imaging optical assembly based on a mobile device, comprising:
an optical attachment 1, said optical attachment 1 comprising a partially reflective surface;
the illumination assembly 2 is positioned at one end of the inner part of the outer frame and is connected with the inner wall of the outer frame, the direction of light rays emitted by the illumination assembly 2 faces the optical accessory 1 to be perpendicular to the shooting direction of the camera of the mobile equipment, and the light rays emitted by the illumination assembly 2 irradiate on the reflecting surface and form reflected light beams pointing to the glasses in the visual field of the camera;
a coupling device 3, the coupling device 3 is detachably connected with the mobile device, the coupling device 3 positions the optical accessory 1 at a position corresponding to a camera of the mobile device, and fixedly connects the lighting assembly 2 on one side of the optical accessory 1.
The fundus camera optical component based on the mobile equipment can be matched with various mobile equipment with different models to provide various shooting fields of view: 5 degrees, 20 degrees, 40 degrees, 60 degrees and 120 degrees, achieves the purpose that common medical staff and even normal people can take photos without mydriasis and mydriasis eyeground only by a smart phone, and provides a powerful tool for wide-range eyeground screening and eyeground disease monitoring. The device mainly comprises an illumination system with at least one light source for independently illuminating eyes of a patient, and can emit observation lights with different colors of white, red, green, yellow and the like. A binocular vision system connected with the illumination system is adopted by a doctor, and eyes can be inspected under the irradiation of an observation light source. The shooting process is realized by completely utilizing the shooting function of the intelligent mobile phone, and the optical lens group device specially used for shooting the fundus is fixed on the mobile phone by the special fixing clamp which is also designed to form a fundus camera to take the picture of fundus tissues.
The coupling device 3 comprises an outer frame and connecting pieces, the outer frame is a hollow frame body, the outer frame is detachably connected with the mobile equipment through the connecting pieces, the optical accessory 1 is located at one end of the inner side of the outer frame and is connected with the inner wall of the outer frame, and the lighting assembly 2 is located at one end of the inner side of the outer frame and is connected with the inner wall of the outer frame. The hollow outer frame can meet the fixing requirements of other accessories, and combines all the accessories into a whole, and a light path can be formed between the glasses to be detected and the lenses of the mobile equipment, so that the detection is facilitated. The connecting piece not only can be a clip type connecting piece, but also can be a cover body clamping piece matched with the shell of the mobile device, and can also be other connecting structures which can meet the requirement of connecting the chain with the detachable frame at the lens of the mobile device.
The lighting assembly is capable of providing four color light sources, red, yellow, green, and white.
The lighting assembly 2 comprises a white light LED lamp set and a filter plate 4, wherein the white light LED lamp set and the filter plate 4 are connected with the coupling device 3, and the filter plate 4 is positioned between the white light LED lamp set and the optical accessory 1.
The coupling device 3 is connected with an inserting plate groove 5, the filter plate 4 is detachably inserted into the inserting plate groove 5, and the filter plate 4 is a red light filter plate, a green light filter plate or a yellow light filter plate.
The illumination component can provide red, white, yellow and green light sources according to different detection requirements, so that detection results are clearer and more accurate, for example, for observing the macula lesions, detection by using red light is clearer and more clear than detection results by using common white light, and the detection and treatment of early lesions are facilitated.
The optical accessory 1 is a beam splitter, and the reflecting surface is a partial reflecting surface positioned in the beam splitter; the reflective surface faces one side of the lighting assembly.
A polarizing filter 6 is also included, said polarizing filter 6 being located between the optical accessory 1 and the lighting assembly 2, said polarizing filter 6 being connected to the coupling means 3. The use of the polarized filter avoids the interference of stray light, so that the light rays irradiated into human eyes are softer, and the detection effect is better while the human eyes are not stimulated.
Also included is a spacer 7, the middle of the spacer 7 having a small hole, the spacer 7 being located between the optical accessory 1 and the lighting assembly 2, the spacer 7 being connected to the coupling means 3. And the aggregation of light is realized by utilizing the small-hole imaging principle, so that the detection result is clearer and more accurate.
Example 2
As shown in fig. 2, the present invention provides a fundus imaging optical assembly based on a mobile device, comprising:
an optical attachment 1, said optical attachment 1 comprising a partially reflective surface;
the illumination assembly 2 is positioned at one end of the inner part of the outer frame and is connected with the inner wall of the outer frame, the direction of light rays emitted by the illumination assembly 2 faces the optical accessory 1 to be perpendicular to the shooting direction of the camera of the mobile equipment, and the light rays emitted by the illumination assembly 2 irradiate on the reflecting surface and form reflected light beams pointing to the glasses in the visual field of the camera;
a coupling device 3, the coupling device 3 is detachably connected with the mobile device, the coupling device 3 positions the optical accessory 1 at a position corresponding to a camera of the mobile device, and fixedly connects the lighting assembly 2 on one side of the optical accessory 1.
The fundus camera optical component based on the mobile equipment can be matched with various mobile equipment with different models to provide various shooting fields of view: 5 degrees, 20 degrees, 40 degrees, 60 degrees and 120 degrees, achieves the purpose that common medical staff and even normal people can take photos without mydriasis and mydriasis eyeground only by a smart phone, and provides a powerful tool for wide-range eyeground screening and eyeground disease monitoring. The device mainly comprises an illumination system with at least one light source for independently illuminating eyes of a patient, and can emit observation lights with different colors of white, red, green, yellow and the like. A binocular vision system connected with the illumination system is adopted by a doctor, and eyes can be inspected under the irradiation of an observation light source. The shooting process is realized by completely utilizing the shooting function of the intelligent mobile phone, and the optical lens group device specially used for shooting the fundus is fixed on the mobile phone by the special fixing clamp which is also designed to form a fundus camera to take the picture of fundus tissues.
The coupling device 3 comprises an outer frame and connecting pieces, the outer frame is a hollow frame body, the outer frame is detachably connected with the mobile equipment through the connecting pieces, the optical accessory 1 is located at one end of the inner side of the outer frame and is connected with the inner wall of the outer frame, and the lighting assembly 2 is located at one end of the inner side of the outer frame and is connected with the inner wall of the outer frame. The hollow outer frame can meet the fixing requirements of other accessories, and combines all the accessories into a whole, and a light path can be formed between the glasses to be detected and the lenses of the mobile equipment, so that the detection is facilitated. The connecting piece not only can be a clip type connecting piece, but also can be a cover body clamping piece matched with the shell of the mobile device, and can also be other connecting structures which can meet the requirement of connecting the chain with the detachable frame at the lens of the mobile device.
The lighting assembly is capable of providing four color light sources, red, yellow, green, and white.
The lighting assembly 2 is an array-arranged LED lamp set, and the LED lamp set comprises at least one red LED lamp, at least one yellow LED lamp, at least one green LED lamp and at least one white LED lamp.
The illumination component can provide red, white, yellow and green light sources according to different detection requirements, so that detection results are clearer and more accurate, for example, for observing the macula lesions, detection by using red light is clearer and more clear than detection results by using common white light, and the detection and treatment of early lesions are facilitated.
The optical attachment 1 is a beam splitter.
A polarizing filter 6 is also included, said polarizing filter 6 being located between the optical accessory 1 and the lighting assembly 2, said polarizing filter 6 being connected to the coupling means 3. The use of the polarized filter avoids the interference of stray light, so that the light rays irradiated into human eyes are softer, and the detection effect is better while the human eyes are not stimulated.
Also included is a spacer 7, the middle of the spacer 7 having a small hole, the spacer 7 being located between the optical accessory 1 and the lighting assembly 2, the spacer 7 being connected to the coupling means 3. And the aggregation of light is realized by utilizing the small-hole imaging principle, so that the detection result is clearer and more accurate.
Example 3
As shown in fig. 3, the present invention provides a fundus imaging optical assembly based on a mobile device, comprising:
an optical attachment 1, said optical attachment 1 comprising a partially reflective surface;
the illumination assembly 2 is positioned at one end of the inner part of the outer frame and is connected with the inner wall of the outer frame, the direction of light rays emitted by the illumination assembly 2 faces the optical accessory 1 to be perpendicular to the shooting direction of the camera of the mobile equipment, and the light rays emitted by the illumination assembly 2 irradiate on the reflecting surface and form reflected light beams pointing to the glasses in the visual field of the camera;
a coupling device 3, the coupling device 3 is detachably connected with the mobile device, the coupling device 3 positions the optical accessory 1 at a position corresponding to a camera of the mobile device, and fixedly connects the lighting assembly 2 on one side of the optical accessory 1.
The fundus camera optical component based on the mobile equipment can be matched with various mobile equipment with different models to provide various shooting fields of view: 5 degrees, 20 degrees, 40 degrees, 60 degrees and 120 degrees, achieves the purpose that common medical staff and even normal people can take photos without mydriasis and mydriasis eyeground only by a smart phone, and provides a powerful tool for wide-range eyeground screening and eyeground disease monitoring. The device mainly comprises an illumination system with at least one light source for independently illuminating eyes of a patient, and can emit observation lights with different colors of white, red, green, yellow and the like. A binocular vision system connected with the illumination system is adopted by a doctor, and eyes can be inspected under the irradiation of an observation light source. The shooting process is realized by completely utilizing the shooting function of the intelligent mobile phone, and the optical lens group device specially used for shooting the fundus is fixed on the mobile phone by the special fixing clamp which is also designed to form a fundus camera to take the picture of fundus tissues.
The coupling device 3 comprises an outer frame and connecting pieces, the outer frame is a hollow frame body, the outer frame is detachably connected with the mobile equipment through the connecting pieces, the optical accessory 1 is located at one end of the inner side of the outer frame and is connected with the inner wall of the outer frame, and the lighting assembly 2 is located at one end of the inner side of the outer frame and is connected with the inner wall of the outer frame. The hollow outer frame can meet the fixing requirements of other accessories, and combines all the accessories into a whole, and a light path can be formed between the glasses to be detected and the lenses of the mobile equipment, so that the detection is facilitated. The connecting piece not only can be a clip type connecting piece, but also can be a cover body clamping piece matched with the shell of the mobile device, and can also be other connecting structures which can meet the requirement of connecting the chain with the detachable frame at the lens of the mobile device.
The lighting assembly is capable of providing four color light sources, red, yellow, green, and white.
The lighting assembly 2 comprises a white light LED lamp set and a filter plate 4, wherein the white light LED lamp set and the filter plate 4 are connected with the coupling device 3, and the filter plate 4 is positioned between the white light LED lamp set and the optical accessory 1.
The coupling device 3 is connected with the plugboard groove 5, the filter plate 4 is detachably spliced in the plugboard groove 5, the filter plate 4 comprises a red light filter plate 4, a green light filter plate 4 and a yellow light filter plate 4, one or two of the filter plates can be combined when in use, and the filter plate can be omitted when white light is used when the white light is required.
The illumination component can provide red, white, yellow and green light sources according to different detection requirements, so that detection results are clearer and more accurate, for example, for observing the macula lesions, detection by using red light is clearer and more clear than detection results by using common white light, and the detection and treatment of early lesions are facilitated.
The optical accessory 1 comprises a first spectroscope 11 and a second spectroscope 12, wherein an included angle between the first spectroscope and the second spectroscope is 30-60 degrees. The reflecting surface with partial reflection is the surface of the first beam splitter 11 facing the illumination assembly.
A polarizing filter 6 is also included, said polarizing filter 6 being located between the optical accessory 1 and the lighting assembly 2, said polarizing filter 6 being connected to the coupling means 3. The use of the polarized filter avoids the interference of stray light, so that the light rays irradiated into human eyes are softer, and the detection effect is better while the human eyes are not stimulated.
Also included is a spacer 7, the middle of the spacer 7 having a small hole, the spacer 7 being located between the optical accessory 1 and the lighting assembly 2, the spacer 7 being connected to the coupling means 3. And the aggregation of light is realized by utilizing the small-hole imaging principle, so that the detection result is clearer and more accurate.
Example 4
As shown in fig. 4, the present invention provides a fundus imaging optical assembly based on a mobile device, comprising:
an optical attachment 1, said optical attachment 1 comprising a partially reflective surface;
the illumination assembly 2 is positioned at one end of the inner part of the outer frame and is connected with the inner wall of the outer frame, the direction of light rays emitted by the illumination assembly 2 faces the optical accessory 1 to be perpendicular to the shooting direction of the camera of the mobile equipment, and the light rays emitted by the illumination assembly 2 irradiate on the reflecting surface and form reflected light beams pointing to the glasses in the visual field of the camera;
a coupling device 3, the coupling device 3 is detachably connected with the mobile device, the coupling device 3 positions the optical accessory 1 at a position corresponding to a camera of the mobile device, and fixedly connects the lighting assembly 2 on one side of the optical accessory 1.
The fundus camera optical component based on the mobile equipment can be matched with various mobile equipment with different models to provide various shooting fields of view: 5 degrees, 20 degrees, 40 degrees, 60 degrees and 120 degrees, achieves the purpose that common medical staff and even normal people can take photos without mydriasis and mydriasis eyeground only by a smart phone, and provides a powerful tool for wide-range eyeground screening and eyeground disease monitoring. The device mainly comprises an illumination system with at least one light source for independently illuminating eyes of a patient, and can emit observation lights with different colors of white, red, green, yellow and the like. A binocular vision system connected with the illumination system is adopted by a doctor, and eyes can be inspected under the irradiation of an observation light source. The shooting process is realized by completely utilizing the shooting function of the intelligent mobile phone, and the optical lens group device specially used for shooting the fundus is fixed on the mobile phone by the special fixing clamp which is also designed to form a fundus camera to take the picture of fundus tissues.
The coupling device 3 comprises an outer frame and connecting pieces, the outer frame is a hollow frame body, the outer frame is detachably connected with the mobile equipment through the connecting pieces, the optical accessory 1 is located at one end of the inner side of the outer frame and is connected with the inner wall of the outer frame, and the lighting assembly 2 is located at one end of the inner side of the outer frame and is connected with the inner wall of the outer frame. The hollow outer frame can meet the fixing requirements of other accessories, and combines all the accessories into a whole, and a light path can be formed between the glasses to be detected and the lenses of the mobile equipment, so that the detection is facilitated. The connecting piece not only can be a clip type connecting piece, but also can be a cover body clamping piece matched with the shell of the mobile device, and can also be other connecting structures which can meet the requirement of connecting the chain with the detachable frame at the lens of the mobile device.
The lighting assembly is capable of providing four color light sources, red, yellow, green, and white.
The lighting assembly 2 is an array-arranged LED lamp set, and the LED lamp set comprises at least one red LED lamp, at least one yellow LED lamp, at least one green LED lamp and at least one white LED lamp.
The illumination component can provide red, white, yellow and green light sources according to different detection requirements, so that detection results are clearer and more accurate, for example, for observing the macula lesions, detection by using red light is clearer and more clear than detection results by using common white light, and the detection and treatment of early lesions are facilitated.
The optical accessory 1 comprises a first spectroscope 11 and a second spectroscope 12, wherein an included angle between the first spectroscope and the second spectroscope is 30-60 degrees. The reflecting surface with partial reflection is the surface of the first beam splitter 11 facing the illumination assembly.
A polarizing filter 6 is also included, said polarizing filter 6 being located between the optical accessory 1 and the lighting assembly 2, said polarizing filter 6 being connected to the coupling means 3. The use of the polarized filter avoids the interference of stray light, so that the light rays irradiated into human eyes are softer, and the detection effect is better while the human eyes are not stimulated.
Also included is a spacer 7, the middle of the spacer 7 having a small hole, the spacer 7 being located between the optical accessory 1 and the lighting assembly 2, the spacer 7 being connected to the coupling means 3. And the aggregation of light is realized by utilizing the small-hole imaging principle, so that the detection result is clearer and more accurate.
Also included is a power supply 8, the power supply 8 being electrically connected with the lighting assembly, the power supply being connected with the coupling means.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.