CN106901687A - A kind of Portable multiple spectrum eyeground is layered camera apparatus - Google Patents
A kind of Portable multiple spectrum eyeground is layered camera apparatus Download PDFInfo
- Publication number
- CN106901687A CN106901687A CN201710230021.6A CN201710230021A CN106901687A CN 106901687 A CN106901687 A CN 106901687A CN 201710230021 A CN201710230021 A CN 201710230021A CN 106901687 A CN106901687 A CN 106901687A
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- CN
- China
- Prior art keywords
- filter plate
- shaped shell
- ocular
- lens barrel
- layered
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/12—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/14—Arrangements specially adapted for eye photography
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/14—Arrangements specially adapted for eye photography
- A61B3/15—Arrangements specially adapted for eye photography with means for aligning, spacing or blocking spurious reflection ; with means for relaxing
- A61B3/156—Arrangements specially adapted for eye photography with means for aligning, spacing or blocking spurious reflection ; with means for relaxing for blocking
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
Abstract
The invention discloses a kind of Portable multiple spectrum eyeground layering camera apparatus.Ocular lens cylinder including T-shaped shell and in T-shaped shell, filter plate lens barrel；Used as eyepiece end, the other end is provided with ocular lens cylinder as phase generator terminal is connect in the eyepiece end of T-shaped shell for one end of T-shaped shell horizontal segment, and ocular is provided with ocular lens cylinder the inner；Connecing for T-shaped shell is provided with filter plate lens barrel in phase generator terminal, filter plate lens barrel is built with filter plate rotating disk；Infall is provided with hollow reflective mirror between T-shaped shell horizontal segment and vertical section, and the bottom of T-shaped housing vertical section is provided with broad spectrum light source, and middle part is provided with collector lens group.The present invention can be used as home-use portable fundus camera, low cost；The fundus tissue layered image under different spectrum can be effectively obtained, for judging retina and choroidopathy to the reflection of monochromatic light image of collection eyeground different depth.
Description
Technical field
The present invention relates to a kind of camera, more particularly to a kind of portable light more are layered for the eyeground that eyeground pathological changes are checked
Spectrum eyeground layering camera apparatus, with checking, shoot, record, preserve eye fundus image function under different spectrum.
Background technology
In current clinical practice, in order to check the eyeground pathological changes situation of patient, such as：Cataract, optical fundus blood vessel bolt
Plug, ARM etc., are all the inspections that eyeground is carried out by the large-scale ophthalmoscope in hospital.The eyeground commonly used on the market now
Inspection apparatus mainly have direct opthalmoscope, indirect ophthalmoscope, fundus camera etc..But it is mostly expensive, it is not portable, though performance
It is high but do not popularize.
In terms of community medicine, the state of an illness that slow disease patient is diagnosed, monitored by funduscopy is one and very universal controlled
Treatment scheme.At present, most of community hospitals have had been provided with direct ophthalmoscope, used as most simple, portable original funduscopy
Device, its shortage is merged with modern information technologies, is haveed the shortcomings that in community sanitary medical treatment many：
1st, the observation visual field of doctor is small could comprehensively see the situation on eyeground, it is necessary to repeatedly check.
2nd, the data that obtain of observation can not be preserved in the form of images, it is impossible to allow Community Doctor carry out the prolonged state of an illness with
Track, early warning.
3rd, the data for obtaining under the support of existing information technology, cannot realize the transmission of each hospital, share.
4th, doctor can only observe the eye fundus image under general spectrum, it is impossible to enough it was observed that eyeground hierarchical diagram under multispectral
Picture, easily fails to pinpoint a disease in diagnosis, mistaken diagnosis.
The content of the invention
For the deficiency of existing background technology, object of the present invention is to provide a kind of layering of Portable multiple spectrum eyeground
Camera apparatus, using camera, filter plate and ocular etc., obtain the eye fundus image under different spectrum, and melt with information technology
Close, being capable of, blur-free imaging comprehensive to eyeground and storage, transmission and shared.
The present invention solve its technical problem technical scheme be：
Ocular lens cylinder, filter plate lens barrel of the present invention including T-shaped shell and in T-shaped shell；T-shaped shell level
Used as eyepiece end, the other end is provided with ocular lens cylinder as phase generator terminal is connect in the eyepiece end of T-shaped shell, be close to and connect for one end of section
Eyepiece stalk is provided with ocular at the inner, and ocular is fixed on the inwall of T-shaped shell；Connecing in phase generator terminal for T-shaped shell is installed
There is filter plate lens barrel, filter plate lens barrel is built with filter plate rotating disk；Infall is provided between T-shaped shell horizontal segment and vertical section
Hollow reflective mirror, hollow reflective mirror is located between ocular lens cylinder and filter plate lens barrel, and the bottom of T-shaped housing vertical section is provided with width
Spectroscopic light source, middle part is provided with collector lens group.
Described ocular, hollow reflective mirror and filter plate rotating disk are in coaxial collimated light path, and the light source, optically focused are saturating
Microscope group and hollow reflective mirror are in coaxial collimated light path.
Described hollow reflective mirror is the speculum with central through hole, and reflecting surface is towards ocular；The wide spectrum
The light that light source sends converges to the central region around hollow reflective mirror central through hole through collector lens group, through in hollow reflective mirror
Incided in human eye from ocular after mirror surface reflection around heart through hole, through the light after human eye fundus reflex again via connecing
Mesh lens entrance to hollow reflective Jing Zhongxintongkongchu, through the filter on filtered rotating disk of light of hollow reflective mirror central through hole
Wave plate incides camera.
Described hollow reflective mirror is in 45 degree of angles with lens barrel, and the angle enters into those who are investigated's eye to allow light ray parallel
In.
Described ocular lens cylinder and filter plate lens barrel are set in the eyepiece end of T-shaped shell and connect camera by screw thread
In end.
The outer face of described ocular lens cylinder is provided with the rubber ring for the laminating of people's eye, and middle part is provided with for outer with T-shaped
The ocular lens cylinder screw thread of shell inner thread connection.
Described filter plate lens barrel is provided with the filter plate lens barrel screw thread for being threadedly coupled with T-shaped outer casing inner wall.
Described filter plate lens barrel is provided with the filter plate of different wave length.
Described filter plate rotating disk includes rotating disk and circumferentially spaced apart 550nm filter plates, 580nm on rotating disk
Filter plate, 590nm filter plates, 690nm filter plates, 740nm filter plates and 850nm filter plates.
Described broad spectrum light source is connected with drive circuit, and drive circuit is provided with and sends light light intensity for adjusting light source
Slidable adjustment is switched, and slidable adjustment switch is fixed on outside the side wall of T-shaped housing vertical section with wearing.
The T-shaped housing vertical section outer side wall surface is provided with rough surface as hand griping position.
The spectral wavelength ranges of described broad spectrum light source are 550-850nm.
The invention has the advantages that：
1st, it is portable：Small volume, inspection are convenient, and suitable Community Doctor is carried with and used, it is also possible in Community Doctor
Self checked by resident under guidance.
2nd, efficiently：The present invention can photograph clearly eye fundus image, and it can be seen that larger field (full filed is up to 40 °)
Image, while can also be realized yellow to eyeground by rotating the eyeground layered image that filter plate rotating disk obtains under different wave length
Comprehensive imaging of spot, retina and train of thought blood vessel simultaneously judges the activity of lesion so that doctor observes more comprehensively, reduces mistaken diagnosis
Rate, improves diagnosis validity.
3rd, high in the clouds is shared：Merged with information technology, realize that the transmission of multi-platform, many objects is shared, it is adaptable to cure internet
Treat product industry.
Brief description of the drawings
Fig. 1 is light channel structure schematic diagram of the invention.
Fig. 2 is overall structure diagram of the invention.
Fig. 3 is the structural representation of filter plate rotating disk in the present invention.
Fig. 4 is the structural representation of filter plate lens barrel in the present invention.
Fig. 5 is the structural representation of ocular lens cylinder in the present invention.
In figure：1st, ocular, 2, hollow reflective mirror, 3, filter plate rotating disk, 3-1, rotating disk, 3-2,550nm filter plate, 3-
3rd, 580nm filter plates, 3-4,590nm filter plate, 3-5,690nm filter plate, 3-6,740nm filter plate, 3-7,850nm filtering
Piece, 4, camera, 5, collector lens group, 6, broad spectrum light source, 7, rubber ring, 9, ocular change switch mouth, 11, filter plate mirror
Cylinder, 11-1, filter plate lens barrel screw thread, 12, ocular lens cylinder, 12-1, ocular lens cylinder screw thread, 13, slidable adjustment switch, 14, light source
Adjusting means, 15, hand griping position, 16, drive circuit, 17, T-shaped shell, 18, the filter plate switch knob with wave length calibration.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples.
As shown in Fig. 2 ocular lens cylinder 12, filter plate of the present invention including T-shaped shell 17 and in T-shaped shell 17
Lens barrel 11；17 points of T-shaped shell is horizontal segment and the vertical section for being connected to horizontal segment middle lower portion, the one of the horizontal segment of T-shaped shell 17
Used as eyepiece end, the other end is provided with ocular lens cylinder 12 as phase generator terminal is connect in the eyepiece end of T-shaped shell 17, be close to and connect mesh at end
Lens barrel 12 is provided with ocular 1 at the inner, and ocular 1 is fixed on the inwall of T-shaped shell 17；T-shaped shell 17 connects phase generator terminal
Filter plate lens barrel 11 is inside installed, filter plate lens barrel 11 is built with filter plate rotating disk 3；The horizontal segment of T-shaped shell 17 and vertical section it
Between infall be provided with hollow reflective mirror 2, hollow reflective mirror 2 is located between ocular lens cylinder 12 and filter plate lens barrel 11, T-shaped shell
The bottom of 17 vertical sections is provided with broad spectrum light source 6, and middle part is provided with collector lens group 5.
Ocular lens cylinder 12, T-shaped shell 17, filter plate lens barrel 11 are provided with ocular in coaxial collimated light path successively
1st, hollow reflective mirror 2 and filter plate rotating disk 3.Ocular 1, hollow reflective mirror 2 and filter plate rotating disk 3 are in coaxial collimated light
Road, light source 6, collector lens group 5 and hollow reflective mirror 2 are in coaxial collimated light path.Hollow reflective mirror 2 is with central through hole
Speculum, reflecting surface is towards ocular 1.
The outer face of ocular lens cylinder 12 is provided with the rubber ring 7 for the laminating of people's eye, trouble of preferably being fitted when can shoot
Person's eye, makes image apparent, shooting process more convenient and quicker.
As shown in figure 3, filter plate lens barrel 11 is provided with the filter plate of different wave length.In specific implementation, filter plate rotating disk 3 is wrapped
Include rotating disk 3-1 and circumferentially spaced apart 550nm (green glow) filter plates 3-2,580nm (gold-tinted) filtering on rotating disk 3-1
Piece 3-3,590nm (amber light) filter plate 3-4,690nm (feux rouges) filter plate 3-5,740nm (feux rouges) filter plates 3-6 and 850nm
(infrared light) filter plate 3-7.
Broad spectrum light source 6 is arranged in the vertical section of T-shaped shell 17 by light source adjustment device 14, and light source adjustment device 14 is used
In the mobile broad spectrum light source 6 of regulation along optical axis position.
Broad spectrum light source 6 is connected with drive circuit 16, and drive circuit 16 is provided with and sends light light intensity for adjusting light source 6
Slidable adjustment switch 13, slidable adjustment switch 13 is fixed on outside the side wall of the vertical section of T-shaped shell 17 with wearing.
Ocular 1 is arranged on the outer end of ocular lens cylinder 12, and filter plate lens barrel 11 is arranged on the outer end of filter plate lens barrel 11.Connect
Eyepiece stalk 12 and filter plate lens barrel 11 are set in the eyepiece end of T-shaped shell 17 and connect in phase generator terminal by screw thread.
As shown in figure 4, filter plate lens barrel 11 is provided with the filter plate lens barrel screw thread for being connected with the inner thread of T-shaped shell 17
11-1.By screw thread 11-1, we can adjust the distance of filter plate and ocular with spin filter piece lens barrel.
As shown in figure 5, the middle part of ocular lens cylinder 12 is provided with the ocular lens cylinder spiral shell for being connected with the inner thread of T-shaped shell 17
Line 12-1.Ocular lens cylinder can be rotated by screw thread, realize that ocular lens cylinder is flexible in T-shaped shell, tool during according to diagnosis
The different adjustment oculars and the distance of human eye of the diopter of body situation and patient.
The filter plate switch knob 18 with wave length calibration is additionally provided with filter plate lens barrel 11.Switched by spin filter piece
Knob 18, can select different filter plates to obtain the image under different spectrum.Scale on knob can explicitly indicate that mesh
The filtering sheet type and wavelength of preceding work, convenient use.
Ocular is provided with T-shaped shell 17 and changes switch mouth 9, switch mouth 9 changed by ocular ocular lens are installed
Cylinder 12 and replacing ocular lens cylinder 12.The vertical section outer side wall surface of T-shaped shell 17 is provided with rough surface as hand griping position 15, to accord with
Close the holding design of ergonomics.
It is of the invention specific implementation the course of work be：
As shown in figure 1, the light that 550-850nm broad spectrum light sources 6 send converges to hollow reflective mirror 2 through collector lens group 5
Central region around central through hole, through around the central through hole of hollow reflective mirror 2 mirror surface reflect after from ocular 1 with
Stronger point shaped laser spot is incided in human eye, is incided via ocular 1 again through the diverging light after human eye fundus reflex hollow
At the central through hole of speculum 2, hollow reflective mirror 2 can stop portions diverging veiling glare, through the light of the central through hole of hollow reflective mirror 2
The filter plate selected on filtered rotating disk 3, obtains the light (550/580/590/690/ of the wavelength related to filter plate characteristic
740/850nm), camera 4 is finally incided to be imaged.Wherein, ocular can be observed disposably typically from the lens of 20D
To 40 ° of big visual field eyeground.In normal funduscopy, the eyeground that the circle of rotating disk one is obtained under whole special spectrums can be rotated
Layered image, it is ensured that the comprehensive and accuracy of diagnosis.
Because the different parts at human eye bottom have different sensitivitys for different wave length, therefore it is specifically to lead in implementing
Adjustment is crossed to change optical filter to gather the imaging of the different parts at human eye bottom.Specifically utilize different tissues absorption spectrum
Otherness, the reflected image of eyeground different depth is acquired.Oxygen-containing hemoglobin and deoxyhemoglobin are utilized simultaneously
The difference of absorption spectrum, forms the imaging of retina and train of thought blood vessel respectively.
In specific implementation, human eye is close to the stabilization rubber ring on ocular lens cylinder, opens light source.Mesh is connect by rotation
Lens barrel adjusts camera and ocular and filter plate to adjust the distance of eyeball and ocular 1, spin filter piece lens barrel
Distance obtain clearly image, in face of different clinical symptoms, can change switch mouth 9 by ocular change not
The ocular of same type.
As can be seen here, the present invention can be comprehensively imaged to patient eyeground well, and modular design can
Multispectral collection and the multifunctional examining of eye fundus image can be realized to change ocular and filter plate according to clinical condition.
The present invention can as home-use portable fundus camera, compared to current main flow special fundus camera and
Speech, cost is much lower；Comprehensive multispectral scanner can be done once to optical fundus blood vessel, the result under multiple spectrum is obtained, profit
With the otherness of different tissues absorption spectrum, the reflection of monochromatic light image of eyeground different depth is acquired, to retina and
Choroidopathy is judged.
The present invention is succinct, portable, effectively obtains the fundus tissue layered image under different spectrum, it is adaptable to cure internet
Treat product industry.Using high in the clouds storage, treatment and can further share, enable to Community Doctor to realize resident prolonged
The monitoring of the optical fundus blood vessel state of an illness and the medical research purposes of other mechanisms.
It is emphasized that：The above is only the preferred embodiment of patent of the present invention, any shape is not made to the present invention
Limitation in formula, every any simple modification made to above example according to technical spirit of the invention, equivalent variations with
Modification, still falls within the range of technical solution of the present invention.The engineering staff for being engaged in the sector easily can turn filter plate
The rotating manner of disk is changed into electronic, but this is still fallen within the range of technical solution of the present invention.
Claims (10)
1. a kind of Portable multiple spectrum eyeground is layered camera apparatus, it is characterised in that：Including T-shaped shell (17) and installed in T
Ocular lens cylinder (12) in type shell (17), filter plate lens barrel (11)；One end of T-shaped shell (17) horizontal segment as eyepiece end,
The other end is provided with ocular lens cylinder (12) as phase generator terminal is connect in the eyepiece end of T-shaped shell (17), in ocular lens cylinder (12)
Ocular (1) is provided with end, ocular (1) is fixed on the inwall of T-shaped shell (17)；T-shaped shell (17) connects phase generator terminal
Filter plate lens barrel (11) is inside installed, filter plate lens barrel (11) is built with filter plate rotating disk (3)；T-shaped shell (17) horizontal segment and
Infall is provided with hollow reflective mirror (2) between vertical section, and hollow reflective mirror (2) is positioned at ocular lens cylinder (12) and filter plate lens barrel
(11) between, the bottom of T-shaped shell (17) vertical section is provided with broad spectrum light source (6), and middle part is provided with collector lens group (5).
2. a kind of Portable multiple spectrum eyeground according to claim 1 is layered camera apparatus, it is characterised in that：Described connects
Mesh lens (1), hollow reflective mirror (2) and filter plate rotating disk (3) are in coaxial collimated light path, the light source (6), collector lens group
And hollow reflective mirror (2) is in coaxial collimated light path (5).
3. a kind of Portable multiple spectrum eyeground according to claim 1 is layered camera apparatus, it is characterised in that：In described
Empty speculum (2) is the speculum with central through hole, and reflecting surface is towards ocular (1)；The broad spectrum light source (6) sends
Light converge to central region around hollow reflective mirror (2) central through hole through collector lens group (5), through hollow reflective mirror (2)
In inciding human eye from ocular (1) after mirror surface reflection around central through hole, through the light after human eye fundus reflex again
Incided at hollow reflective mirror (2) central through hole via ocular (1), through the light warp of hollow reflective mirror (2) central through hole
Filter plate on filter plate rotating disk (3) incides camera (4).
4. a kind of Portable multiple spectrum eyeground according to claim 1 is layered camera apparatus, it is characterised in that：Described connects
Eyepiece stalk (12) and filter plate lens barrel (11) are set in the eyepiece end of T-shaped shell (17) and connect phase generator terminal by screw thread
It is interior.
5. a kind of Portable multiple spectrum eyeground according to claim 1 is layered camera apparatus, it is characterised in that：Described connects
The outer face of eyepiece stalk (12) be provided with for people's eye laminating rubber ring (7), middle part be provided with for T-shaped shell (17) inwall
Ocular lens cylinder screw thread (12-1) of threaded connection.
6. a kind of Portable multiple spectrum eyeground according to claim 1 is layered camera apparatus, it is characterised in that：Described filter
Wave plate lens barrel (11) is provided with filter plate lens barrel screw thread (11-1) for being connected with T-shaped shell (17) inner thread.
7. a kind of Portable multiple spectrum eyeground according to claim 1 is layered camera apparatus, it is characterised in that：Described filter
Wave plate lens barrel (11) is provided with the filter plate of different wave length.
8. a kind of Portable multiple spectrum eyeground according to claim 1 is layered camera apparatus, it is characterised in that：Described width
Spectroscopic light source (6) is connected with drive circuit (16), and drive circuit (16) is provided with the cunning that light light intensity is sent for adjusting light source (6)
Dynamic regulation switch (13), slidable adjustment switch (13) is fixed on outside the side wall of T-shaped shell (17) vertical section with wearing.
9. a kind of Portable multiple spectrum eyeground according to claim 1 is layered camera apparatus, it is characterised in that：It is described T-shaped
Shell (17) vertical section outer side wall surface is provided with rough surface as hand griping position (15).
10. a kind of Portable multiple spectrum eyeground according to claim 1 is layered camera apparatus, it is characterised in that：Described
The spectral wavelength ranges of broad spectrum light source (6) are 550-850nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710230021.6A CN106901687A (en) | 2017-04-10 | 2017-04-10 | A kind of Portable multiple spectrum eyeground is layered camera apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710230021.6A CN106901687A (en) | 2017-04-10 | 2017-04-10 | A kind of Portable multiple spectrum eyeground is layered camera apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106901687A true CN106901687A (en) | 2017-06-30 |
Family
ID=59194609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710230021.6A Pending CN106901687A (en) | 2017-04-10 | 2017-04-10 | A kind of Portable multiple spectrum eyeground is layered camera apparatus |
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| CN (1) | CN106901687A (en) |
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| CN108392173A (en) * | 2018-03-07 | 2018-08-14 | 中国科学院苏州生物医学工程技术研究所 | Multispectral fundus imaging equipment |
| CN108670192A (en) * | 2018-04-21 | 2018-10-19 | 重庆贝奥新视野医疗设备有限公司 | A kind of multispectral eyeground imaging system and method for dynamic vision stimulation |
| CN116491892A (en) * | 2023-06-28 | 2023-07-28 | 依未科技(北京)有限公司 | Myopia fundus change assessment method and device and electronic equipment |
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| CN116491892A (en) * | 2023-06-28 | 2023-07-28 | 依未科技(北京)有限公司 | Myopia fundus change assessment method and device and electronic equipment |
| CN116491892B (en) * | 2023-06-28 | 2023-09-22 | 依未科技(北京)有限公司 | Myopia fundus change assessment method and device and electronic equipment |
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Application publication date: 20170630 |