CN203885474U - Slit lamp camera with flash function - Google Patents
Slit lamp camera with flash function Download PDFInfo
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- CN203885474U CN203885474U CN201420237392.9U CN201420237392U CN203885474U CN 203885474 U CN203885474 U CN 203885474U CN 201420237392 U CN201420237392 U CN 201420237392U CN 203885474 U CN203885474 U CN 203885474U
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- 238000005286 illumination Methods 0.000 claims description 29
- 239000000835 fiber Substances 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 abstract description 9
- 230000008878 coupling Effects 0.000 abstract description 5
- 238000010168 coupling process Methods 0.000 abstract description 5
- 238000005859 coupling reaction Methods 0.000 abstract description 5
- 210000000695 crystalline len Anatomy 0.000 description 17
- 238000007689 inspection Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 210000004087 cornea Anatomy 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 210000000554 iris Anatomy 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000386 microscopy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Eye Examination Apparatus (AREA)
- Microscoopes, Condenser (AREA)
Abstract
The utility model discloses a slit lamp camera which adopts an optical coupler for providing slit beams for shooting through built-in flashlights of mobile phone cameras or point-and-shoot cameras. Particularly, photoconduction tubes are adopted for coupling the built-in flashlights of the mobile phone cameras or the point-and-shoot cameras into the slit beams to shoot slit lamp pictures of an anterior segment. The slit lamp camera is capable of shooting slit lamp pictures without a traditional microscope. Particularly, the slit lamp camera is capable of directly shooting the slit lamp pictures by the aid of macro lenses in the front of the mobile phone cameras or the point-and-shoot cameras.
Description
Technical field
This utility model relates to a kind of ophthalmic camera that is used for taking anterior chamber of eye, and specifically, this utility model relates to a kind of flash lamp light photographing unit and is coupled to the intrafascicular ophthalmic camera that removes to take anterior chamber of eye of slit of illumination.
Background technology
Slit lamp microscope is mainly used in ophthalmologist office and checks anterior chamber of eye, comprises cornea, anterior chamber, iris and crystalline lens.As be equipped with the image that photographing unit can be used to take and record anterior chamber of eye.Along with high-definition digital photographing unit becomes more and more popular, more and more to be favored, slit lamp photography has become a big event of slit lamp examination.Along with popularizing of the Internet and mobile phone remote medical concept, slit lamp camera is just becoming the powerful tool of the general inspection of examination and slit lamp image management.
Conventionally, structural fracture lamp photographing unit has two kinds of approach: the flash lamp that has or do not synchronize with photographing unit.In being furnished with the approach of flash lamp, slit lamp photography machine is generally arranged in slit lamp microscope, by beam splitter, from microscopical observation optical path, produces an image strip path.Therefore, photographing unit can be taken a picture by this extra image strip path, can not disturb the normal use of slit lamp microscope simultaneously.Do not have in the approach of flash lamp, an available special adapter is connected to slit lamp photography machine on microscopical eyepiece.This simple connection makes to adopt the intelligent camera of low price to become possibility.
Take high-quality crack photo, with regard to the white light source of a high brightness of needs, produce bright and narrow crack illumination.The white light source of this high brightness is common in the flash lamp of photograph use, and this special standby flash lamp needs and photographing unit is synchronously used.As a rule, the slit lamp photography machine of being furnished with special standby flash lamp is expensive, and carrying charge can be suitable with the price of slit lamp microscope itself.
On the other hand, most commercial digital cameras is all equipped with built-in flash.Particularly low-cost handy point-and-shoot photographing unit and the photographing unit on cell phone again is all furnished with embedded flash lamp separately, but their not have to configure the hot shoe seat that is used for driving external flashing lamp conventionally.Therefore, the necessary embedded flash lamp by photographing unit provides crack illumination for shooting.
The factor that another of slit lamp photography machine will be considered is throughput, namely the throughput in picture shooting path.Generally, slit lamp photography machine is by slit lamp microscope photographic images, and this complicated facilities for observation unavoidably has larger light intensity loss.The application that does not need microscopic examination to check for only needing digital slit lamp image, for example, include the general inspection of examination of Telemedicine System in, and being more prone to use does not have microscopical slit lamp photography machine.
Therefore,, for the general inspection of examination and tele-medicine health system, universal slit lamp photography machine is very important.For the slit lamp photography machine of this purpose, more stress easy to use, competitively priced, accessible wireless network, and it is always too unimportant whether to be equipped with microscopy.
Utility model content
This utility model is conceived a novelty and superior slit lamp photography machine, the light that it is coupled from built-in camera flash lamp by light guide be provided for the taking pictures slit lamp light beam of use.Especially this utility model adopts light guide coupling to provide the shooting slit lamp slit lamp light beam that image is used from the flash lamp light of point-and-shoot photographing unit.Novel and the superior slit lamp photography machine of this utility model design can also can not taken slit lamp image by conventional microscope.Specifically, the micro-lens that this utility model utilization is attached to before point-and-shoot photographing unit is directly taken crack image.
For taking a slit lamp photography machine for anterior chamber of eye digital picture, comprising:
A slit of illumination beam projector, can produce the slit lamp light beam that projects anterior chamber of eye, wherein said slit of illumination beam projector comprises the first lighting source that produces the first illuminating bundle and the second lighting source that produces the second illuminating bundle, described the first and second illuminating bundles are merged to the beam splitter going in a common beam path, be arranged in the optics crack of described common light beam path, with described optics crack is imaged in to the focus lamp on described anterior chamber of eye, wherein said the first lighting source is used for producing the first continuous illuminating bundle and takes for continuous slit lamp,
A point-and-shoot photographing unit, the digital picture that can take anterior chamber of eye, wherein, described point-and-shoot camera provides automatic focus, and automatic exposure shows in real time, and is equipped with the flash lamp of a built-in photograph use;
A photo-coupler, the flash light of the described point-and-shoot camera that is coupled to the second lighting source to take anterior chamber of eye photo;
A micro-lens, is positioned at the front end of described point-and-shoot photographing unit and described anterior chamber of eye is imaged onto at a distance;
Wherein said slit lamp photography machine operates as point-and-shoot photographing unit, and its flash of light is coupled in described slit lamp light beam to take anterior chamber of eye.
Wherein,
Described photo-coupler comprises a light guide.
Described photo-coupler comprises fibre bundle.
The first lighting source comprises high power, the white light LEDs of high brightness.
Described beam splitter is a kind of unpolarized beam splitter.
Described optics crack is the adjustable crack of a kind of machinery.
Optics crack comprises one group of predetermined crack being placed in a rotating disk.
Described photo-coupler comprises the first adapter that is connected to described point-and-shoot camera one end.
Photo-coupler comprises that connection is positioned at the second adapter of the other end on described slit of illumination beam projector.
Described micro-lens is an achromatic doublet.
The cell phone cameras that described point-and-shoot photographing unit is built-in with flash lamp or LED flash lamp replaces, and wherein said micro-lens is exaggerated mirror and replaces.
For taking a slit lamp photography machine for anterior chamber of eye digital picture, comprising:
A slit of illumination beam projector, can produce the slit lamp light beam that projects anterior chamber of eye, wherein said slit of illumination beam projector comprises the first lighting source that produces the first illuminating bundle and the second lighting source that produces the second illuminating bundle, described the first and second illuminating bundles are merged to the beam splitter going in a common beam path, be arranged in the optics crack of described common light beam path, with described optics crack is imaged in to the focus lamp on described anterior chamber of eye, wherein said the first lighting source is used for producing the first continuous illuminating bundle and takes for continuous slit lamp,
A point-and-shoot photographing unit, the digital picture that can take anterior chamber of eye, wherein, described point-and-shoot camera provides automatic focus, and automatic exposure shows in real time, and is equipped with the flash lamp of a built-in photograph use;
A photo-coupler, the flash light of the described point-and-shoot camera that is coupled to the second lighting source to take anterior chamber of eye photo;
A microscope, is positioned at the front end of described point-and-shoot photographing unit and described anterior chamber of eye is imaged onto at a distance, and wherein said microscope can make described point-and-shoot photographing unit operate in a general mode but not macro mode when taking anterior chamber of eye;
Wherein said slit lamp photography machine operates as point-and-shoot photographing unit, and its flash of light is coupled in described slit lamp light beam to take anterior chamber of eye.
Wherein,
Described photoelectrical coupler comprises a light guide.
Described photoelectrical coupler comprises fibre bundle.
Described optics crack is an adjustable crack of machinery.
Described optics crack comprises one group of predetermined crack being placed on a rotating disk.
The cell phone cameras that described point-and-shoot photographing unit is built-in with flash lamp or LED flash lamp replaces.
For taking a slit lamp photography machine for anterior chamber of eye digital picture, comprising:
A slit of illumination beam projector, can produce the slit lamp light beam that projects anterior chamber of eye, wherein said slit of illumination beam projector comprises the first lighting source that produces the first illuminating bundle and the second lighting source that produces the second illuminating bundle, described the first and second illuminating bundles are merged in a common beam path and remove beam splitter, be arranged in the optics crack of described common beam path, with described optics crack is imaged in to the focus lamp on described anterior chamber of eye, wherein said the first lighting source is used for producing the first continuous illuminating bundle and takes for continuous slit lamp,
A point-and-shoot photographing unit, the digital picture that can take anterior chamber of eye, wherein, described point-and-shoot camera provides automatic focus, and automatic exposure shows in real time, and is equipped with the flash lamp of a built-in photograph use;
A photo-coupler, the flash light of the described point-and-shoot photographing unit that is coupled to the second lighting source to take anterior chamber of eye photo;
First adapter, connects the first end that is positioned at the described light guide on described point-and-shoot photographing unit, receives the light of described built-in flash in described light guide;
Second adapter, connects the second end that is positioned at the described light guide on described point-and-shoot photographing unit, and the flash lamp light that described light guide is received is sent to described slit of illumination beam projector;
A micro-lens, is positioned at the front end of described point-and-shoot photographing unit and described anterior chamber of eye is imaged onto at a distance;
Wherein said slit lamp photography machine operates as point-and-shoot photographing unit, and its flash of light is coupled in described slit lamp light beam to take anterior chamber of eye.
Wherein,
Described optics crack comprises one group of predetermined crack being placed on a rotating disk.
The cell phone cameras that described point-and-shoot camera is built-in with flash lamp or LED flash lamp replaces, and micro-lens is wherein exaggerated mirror replacing.
Therefore, first object of the present utility model is to realize transferring point-and-shoot photographing unit to slit lamp photography machine, and described slit lamp photography machine is applied to slit lamp light beam to anterior chamber of eye photographic images by the light of point-and-shoot camera flashlamp.Second object of the present utility model be by micro-lens but not microscope that slit lamp photography machine is become is feasible.The 3rd object of the present utility model is in order fully to adapt to the advanced function of point-and-shoot photographing unit, to comprise automatic focus, automatic exposure, the adjustment of optical zoom, high-resolution imaging, built-in liquid crystal display, and the software that can surf the Net.The 4th object of the present utility model is that the cell phone photographing unit with LED flash lamp is changed in slit lamp photography machine.These and other objects of the present utility model will more significantly embody in accompanying drawing below, the specific embodiment and claims.
Accompanying drawing explanation
Fig. 1 has shown the slit lamp photography machine that micro-lens and a point-and-shoot photographing unit are installed, and the light beam coupling slit lamp light beam of flash lamp is in order to take anterior chamber of eye.
Fig. 2 shown point-and-shoot photographing unit has been installed to the slit lamp photography machine on slit lamp microscope, and wherein the light of the flash lamp of point-and-shoot photographing unit is coupled to slit lamp light beam in order to take anterior chamber of eye.
Fig. 3 has shown the slit lamp photography machine that look in the distance mirror assembly and cell phone photographing unit have been installed, and the flash lamp light of cell phone cameras is coupled to slit lamp light beam in order to take anterior chamber of eye.
The specific embodiment
Fig. 1 has shown a slit lamp photography machine 100 that micro-lens 17 and point-and-shoot photographing unit 20 are installed, and wherein the light 24 of flash lamp is coupled to slit lamp light beam 30 in order to take the anterior chamber of eye 4-7 of eyes 1.Slit lamp photography 100 mainly comprises slit of illumination beam projector 32, point-and-shoot photographing unit 20, light guide 60, and micro-lens 17.
Slit of illumination beam projector 32 is slit lamp light beam 30 to be rendered to the anterior chamber of eye 4-7 of eyes 1, the similar slit of illumination beam projector that is arranged at slit lamp microscope.It is crossing that slit lamp light beam 30 and instrument shaft 11 are alignd at predetermined work surface 2, and the anterior chamber of eye 4-7 of eyes 1 is positioned at work surface 2.Slit lamp projector 32 can move by side to opposite side from one of instrument shaft 11 conventionally, and the crossing work surface 2 of slit lamp light beam 30 and instrument shaft 11 remains unchanged simultaneously.
The anterior chamber of eye 4-7 of eyes 1 refers to cornea main body 7, and anterior chamber 6, iris 5, crystalline lens 4.In operation, anterior chamber of eye 4-7 aims at the work surface 2 of close slit lamp photography machine 100 to observe and photography, is similar to any conventional slit lamp microscope.
In a preferred embodiment, slit of illumination beam projector 32 comprises, the first lighting source 37, beam splitter 33, optics crack 31, focus lamp 35, and external light source adapter 39 is with the second end 62 of docking light guide 60, the first end 61 of wherein said light guide 60 is connected to the flash lamp 24 of point-and-shoot photographing unit 20.The first lighting source 37 can be at white spectrum, to produce a high brightness of the first illuminating bundle 38, high-capacity LED.Light source adapter 39 is used for docking and flash lamp light beam 24 is coupled to the slit of illumination beam projector 32 that generates the second illuminating bundle 36.Beam splitter 33 merges to and in conventional optical path 34, is used for light optics crack 31 36 of the first illuminating bundle 38 and the second illuminating bundle.The preferred unpolarized beam splitter of beam splitter 33.Optics crack 31 is the crack of mechanical adjustable-width or the crack of preset width.Optics crack 31 also may comprise and is positioned at one group of predetermined crack on rotating disk.Condenser lens 35 focuses on slit lamp light beam 30 by the illuminating ray from optics crack 31, and optics crack 31 is projected on work surface 2.
Point-and-shoot photographing unit 20 installs and is arranged on along instrument shaft 11 position that has certain operating distance apart from work surface 2.Point-and-shoot photographing unit 20 is in order to observe and to take the anterior chamber of eye 4-7 of eyes 1.Point-and-shoot photographing unit 20 refers to number camera, comprises advanced function, automatic focus, and automatic exposure, real-time embedded LCDs shows, the adjustment of optical zoom, image storage and transmittability, and compact, lightweight, be easy to use.Point-and-shoot photographing unit 20 is preferably built-in with can be by the image transmitting of storage to the software on local computer, the Internet and tele-medicine processor.Point-and-shoot photographing unit 20 preferably has a resolution and surpasses 2 mega pixels and an entrance pupil that is not less than 5mm, so that the limiting resolution on work surface 2 reaches 10um or better.Point-and-shoot photographing unit 20 also preferably has and self-defined function (such as, C pattern) is set, thereby can preserve running parameter handled easily.
Point-and-shoot photographing unit 20 generally includes a camera body 21, camera lens 22 and a built-in flash 23.Point-and-shoot photographing unit 20 also has a built-in LCD display to be used for display video image can change camera setting, and Fig. 1 does not show.The point-and-shoot photographing unit 20 of Canon S100 for example.When camera is opened, camera lens 22 normally moves out from camera body 21, and when camera cuts out, camera lens 22 is got back to camera body 21.Flash lamp 23 is normally arranged on camera body 21 and away from camera lens 22.Be different from digital camera (digital single lens reflex), point-and-shoot photographing unit does not have the hot shoe seat of external flashing lamp conventionally, and the straightforward procedure that drives external flashing lamp can not be provided.On the other hand, digital camera feature is that volume is larger, heavy and expensive, is not the ideal chose of slit lamp photography machine 100.
Light guide 60 is coupled to flash lamp light 24 in the second illuminating bundle 36 by adapter 39.In a preferred embodiment, light guide 60 forms the second lighting source to produce the second illuminating bundle 36 together with flash lamp 23.Therefore, the second illuminating bundle 36 and flash lamp 23 are synchronous, make point-and-shoot photographing unit 20 produce the slit of illumination beam images of high brightness.
It is pliable and tough that light guide 60 is preferably one, and diameter is the transparent plastic rod of 1 to 2 millimeter, and light guide 60 is also preferably coated with last layer opaque plastics protective layer, can cut as required and bending.Person knows in the industry, has ready-made light guide product.
In a preferred embodiment, light guide joint 25 is to connect light guide 60 to point-and-shoot photographing unit 20, to receive the light 24 from flash lamp 23.Light guide adapter 25 is optical-mechanical components, and when slit lamp 32 moves by side to opposite side from one of instrument shaft 11, this optics-mechanical part can be guaranteed constant optical coupling.
Also can be by the photoconduction of other types such as fibre bundle or light guide in coupling flash lamp light 24 to second illuminating bundles 36.Suppose to use fibre bundle, the first end of fibre bundle receives the light 24 from flash lamp 23, and the second end that is connected to slit of illumination beam generator 32 generates the second illuminating bundle 36 by adapter 39.The second illuminating bundle 36 in second embodiment, flash lamp 23 as the second lighting source, and is synchronizeed with the flash lamp 23 of point-and-shoot photographing unit 20 together with fibre bundle.
Micro-lens 17 is positioned at the front end of point-and-shoot photographing unit 20, and the achromat that preferred focal length is approximately 60 millimeters to 100 millimeters, is positioned at the position apart from 2 one focal lengths of work surface conventionally.The function of micro-lens 17, as the object lens of same slit lamp microscope, is imaged on the position away from point-and-shoot photographing unit 20 anterior chamber of eye 4-7, and point-and-shoot photographing unit 20 focusings are simultaneously being taken at a distance.In this way, the optical zoom of camera gun 22 can arrive the optimal state in the visual field by continuous setup continuously, makes the selected image-region of eyes 10 fill up camera display.Therefore can optimize the pixel resolution of camera and display screen.
The combination of micro-lens 17 and camera gun optical zoom 22, provides a kind of light multiplying power that is similar to conventional slit lamp microscope.In such analogy, micro-lens 17 is similar to object lens, and optical zoom is similar to the microscopical magnifier stage.In addition,, by micro-lens 17, when point-and-shoot photographing unit 20 is, under normal mode, anterior chamber of eye 4-7 is taken to characteristic, and show automatic focusing ability more reliably.Like this, 20 need of point-and-shoot photographing unit focus on the range image being produced by micro-lens 17.Therefore,, when the anterior chamber of eye 4-7 to eyes 1 carries out feature shooting, external micro-lens 17 can make point-and-shoot photographing unit 20 work under normal mode rather than under macro mode.
Fig. 2 has shown another slit lamp photography machine 200, and it is arranged on point-and-shoot photographing unit 20 on slit lamp microscope 10, and wherein, the flash light 24 of lamp of point-and-shoot photographing unit 20 is coupled in crack light beam 30, to be used for taking the anterior chamber of eye 4-7 of eyes 1.Slit lamp photography machine 200 is mainly by a slit of illumination beam projector 32, point-and-shoot photographing unit 20, and light guide 60, microscope 10, and a camera adapter 26 forms.
In the preferred version shown in Fig. 2, slit of illumination beam projector 32, point-and-shoot photographing unit 20 and light guide 60 can be referring to identical elements in Fig. 1.Microscope 10 refers to any microscope of conventional slit lamp microscope or portable slit lamp microscope.Microscope 10 comprises a microscope objective mirror body 15, objective lens 12, and left eyepiece 13, right eyepiece 14.Camera adapter 26 is to connect point-and-shoot photographing unit 20 to microscope ocular 14.The selection of point-and-shoot photographing unit 20 and to be connected to microscope ocular 14 be well-known to those skilled in the art.
Fig. 3 has shown another slit lamp photography 300, and it adopts magnifier parts 50 and cell phone cameras 40, and the flash lamp light 44 of mobile phone camera is coupled in slit lamp light beam 30, to be used for taking the anterior chamber of eye 4-7 of eyes 1.Slit lamp photography 300 is mainly by a slit of illumination beam projector 32, the photographing unit 40 of cell phone, and light guide 60, and magnifier assembly 50 forms.
Cell phone cameras 40 is conventionally by mobile phone itself 41,42 of photographing unit, and flash lamp 43 forms.Use some advantages of cell phone cameras 40 to comprise high resolution camera 42, high resolution display, wireless network transmissions and the whole world are universal.In general, the resolution of cell phone cameras 40 is 3 mega pixels or higher, and flash lamp 43 is a kind of high powers simultaneously, and high-brightness LED can lighten the white light for taking a picture.
In a preferred version, magnifier 50 is comprised of 51, one collecting lenses 52 of micro-lens and divergent lens 53.Micro-lens 51 is the images for wide-long shot anterior chamber of eye 4-7; Provide magnifier assembly 50 with the amplification of 2 to 3 times with collecting lens 52 and divergent lens 53.In this preferred version, micro-lens 51 has the focal length of approximately 60 millimeters to 100 millimeters, and is placed on the position apart from 2 one focal lengths of work surface.Collecting lens 52 has the focal length of 15 millimeters, the focal length of have-5mm of divergent lens 53.
Generally, cell phone cameras 40 has the visual angles of about 60 degree, and the diopters that slit lamp photography need to approximately 20 degree need to be about the operating distance of 80 to 100 millimeters.Magnifier 50 is therefore with the visual angle between matching camera head 42 and slit lamp camera 300.Therefore magnifier 50 also increases the pixel resolution on work surface 2.In addition, magnifier 50 is scattered beams of collecting more eyes 1, thereby has improved the crack beam efficiency of slit lamp photography 300.
Obviously, this utility model only discloses some preferred embodiments, and the modification of other that make thus or accommodation maybe can be included in following claim.
Claims (20)
1. a slit lamp photography machine that has flash function, is characterized in that, comprising:
A slit of illumination beam projector, can produce the slit lamp light beam that projects anterior chamber of eye, wherein said slit of illumination beam projector comprises the first lighting source that produces the first illuminating bundle and the second lighting source that produces the second illuminating bundle, described the first and second illuminating bundles are merged to the beam splitter going in a common beam path, be arranged in the optics crack of described common light beam path, with described optics crack is imaged in to the focus lamp on described anterior chamber of eye, wherein said the first lighting source is used for producing the first continuous illuminating bundle and takes for continuous slit lamp,
A point-and-shoot photographing unit, the digital picture that can take anterior chamber of eye, wherein, described point-and-shoot camera provides automatic focus, and automatic exposure shows in real time, and is equipped with the flash lamp of a built-in photograph use;
A photo-coupler, the flash light of the described point-and-shoot camera that is coupled to the second lighting source to take anterior chamber of eye photo;
A micro-lens, is positioned at the front end of described point-and-shoot photographing unit and described anterior chamber of eye is imaged onto at a distance;
Wherein said slit lamp photography machine operates as point-and-shoot photographing unit, and its flash of light is coupled in described slit lamp light beam to take anterior chamber of eye.
2. slit lamp photography machine according to claim 1, is characterized in that, wherein said photo-coupler comprises a light guide.
3. slit lamp photography machine according to claim 1, is characterized in that, wherein said photo-coupler comprises fibre bundle.
4. slit lamp photography machine according to claim 1, is characterized in that, wherein the first lighting source comprises high power, the white light LEDs of high brightness.
5. slit lamp photography machine according to claim 1, is characterized in that, wherein said beam splitter is a kind of unpolarized beam splitter.
6. slit lamp photography machine according to claim 1, is characterized in that, wherein said optics crack is the adjustable crack of a kind of machinery.
7. slit lamp photography machine according to claim 1, is characterized in that, wherein optics crack comprises one group of predetermined crack being placed in a rotating disk.
8. slit lamp photography machine according to claim 1, is characterized in that, wherein said photo-coupler comprises the first adapter that is connected to described point-and-shoot camera one end.
9. slit lamp photography machine according to claim 1, is characterized in that, wherein photo-coupler comprises that connection is positioned at the second adapter of the other end on described slit of illumination beam projector.
10. slit lamp photography machine according to claim 1, is characterized in that, described micro-lens is an achromatic doublet.
11. slit lamp photography machines according to claim 1, is characterized in that, the cell phone cameras that wherein said point-and-shoot photographing unit is built-in with flash lamp or LED flash lamp replaces, and wherein said micro-lens is exaggerated mirror and replaces.
12. 1 kinds for taking the slit lamp photography machine of anterior chamber of eye digital picture, it is characterized in that, comprising:
A slit of illumination beam projector, can produce the slit lamp light beam that projects anterior chamber of eye, wherein said slit of illumination beam projector comprises the first lighting source that produces the first illuminating bundle and the second lighting source that produces the second illuminating bundle, described the first and second illuminating bundles are merged to the beam splitter going in a common beam path, be arranged in the optics crack of described common light beam path, with described optics crack is imaged in to the focus lamp on described anterior chamber of eye, wherein said the first lighting source is used for producing the first continuous illuminating bundle and takes for continuous slit lamp,
A point-and-shoot photographing unit, the digital picture that can take anterior chamber of eye, wherein, described point-and-shoot camera provides automatic focus, and automatic exposure shows in real time, and is equipped with the flash lamp of a built-in photograph use;
A photo-coupler, the flash light of the described point-and-shoot camera that is coupled to the second lighting source to take anterior chamber of eye photo;
A microscope, is positioned at the front end of described point-and-shoot photographing unit and described anterior chamber of eye is imaged onto at a distance, and wherein said microscope can make described point-and-shoot photographing unit operate in a general mode but not macro mode when taking anterior chamber of eye;
Wherein said slit lamp photography machine operates as point-and-shoot photographing unit, and its flash of light is coupled in described slit lamp light beam to take anterior chamber of eye.
13. slit lamp photography machines according to claim 12, is characterized in that, wherein said photoelectrical coupler comprises a light guide.
14. slit lamp photography machines according to claim 12, is characterized in that, wherein said photoelectrical coupler comprises fibre bundle.
15. slit lamp photography machines according to claim 12, is characterized in that, wherein said optics crack is an adjustable crack of machinery.
16. slit lamp photography machines according to claim 12, is characterized in that, wherein said optics crack comprises one group of predetermined crack being placed on a rotating disk.
17. slit lamp photography machines according to claim 12, is characterized in that, the cell phone cameras that wherein said point-and-shoot photographing unit is built-in with flash lamp or LED flash lamp replaces.
18. 1 kinds for taking the slit lamp photography machine of anterior chamber of eye digital picture, it is characterized in that, comprising:
A slit of illumination beam projector, can produce the slit lamp light beam that projects anterior chamber of eye, wherein said slit of illumination beam projector comprises the first lighting source that produces the first illuminating bundle and the second lighting source that produces the second illuminating bundle, described the first and second illuminating bundles are merged in a common beam path and remove beam splitter, be arranged in the optics crack of described common beam path, with described optics crack is imaged in to the focus lamp on described anterior chamber of eye, wherein said the first lighting source is used for producing the first continuous illuminating bundle and takes for continuous slit lamp,
A point-and-shoot photographing unit, the digital picture that can take anterior chamber of eye, wherein, described point-and-shoot camera provides automatic focus, and automatic exposure shows in real time, and is equipped with the flash lamp of a built-in photograph use;
A photo-coupler, the flash light of the described point-and-shoot photographing unit that is coupled to the second lighting source to take anterior chamber of eye photo;
First adapter, connects the first end that is positioned at the described light guide on described point-and-shoot photographing unit, receives the light of described built-in flash in described light guide;
Second adapter, connects the second end that is positioned at the described light guide on described point-and-shoot photographing unit, and the flash lamp light that described light guide is received is sent to described slit of illumination beam projector;
A micro-lens, is positioned at the front end of described point-and-shoot photographing unit and described anterior chamber of eye is imaged onto at a distance;
Wherein said slit lamp photography machine operates as point-and-shoot photographing unit, and its flash of light is coupled in described slit lamp light beam to take anterior chamber of eye.
19. slit lamp photography machines according to claim 18, is characterized in that, wherein said optics crack comprises one group of predetermined crack being placed on a rotating disk.
20. slit lamp photography machines according to claim 18, is characterized in that, the cell phone cameras that wherein said point-and-shoot camera is built-in with flash lamp or LED flash lamp replaces, and micro-lens is wherein exaggerated mirror replacing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361869659P | 2013-08-24 | 2013-08-24 | |
| US61869659 | 2013-08-24 |
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| CN203885474U true CN203885474U (en) | 2014-10-22 |
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| CN201410196801.XA Active CN104207751B (en) | 2013-08-24 | 2014-05-09 | Slit lamp camera with flashing function |
| CN201420237392.9U Expired - Lifetime CN203885474U (en) | 2013-08-24 | 2014-05-09 | Slit lamp camera with flash function |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104207751A (en) * | 2013-08-24 | 2014-12-17 | 北京高景弘毅科技发展有限公司 | Slit lamp camera with flashing function |
| CN106618480A (en) * | 2015-07-22 | 2017-05-10 | 山西美丽通行科技有限公司 | Image acquisition unit having tomography capacity |
| CN107894659A (en) * | 2016-10-04 | 2018-04-10 | 晋弘科技股份有限公司 | Slit lighting device and microscope system thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102234538B1 (en) | 2019-09-17 | 2021-03-31 | 웰스메디텍 주식회사 | Portable slit lamp device capable of mounting to the camera |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4504129A (en) * | 1980-05-27 | 1985-03-12 | Richard Van Iderstine | Photography adaptor assembly for a slit lamp examination unit |
| CN201072076Y (en) * | 2007-07-02 | 2008-06-11 | 重庆康华科技有限公司 | Digital slit lamp |
| JP2009142469A (en) * | 2007-12-14 | 2009-07-02 | Panasonic Electric Works Co Ltd | Stress determining system |
| EP2206461B1 (en) * | 2009-01-12 | 2011-10-05 | Andreas Dr. Dr. Tietjen | Method and device for illuminating the microscope field, particularly the eye background, during observation with a stereo silt lamp microscope |
| CN102319055A (en) * | 2011-08-22 | 2012-01-18 | 苏州康捷医疗股份有限公司 | Hand-held digital slit-lamp microscope |
| CN102499631B (en) * | 2011-10-27 | 2013-12-18 | 温州医学院眼视光研究院 | Ophthalmic monocular handheld digital microscope with slit lamp |
| CN102871643B (en) * | 2012-09-27 | 2015-11-25 | 北京明达同泽科技有限公司 | The checkout equipment of taking pictures for main body optical fundus and detection module |
| CN103110402B (en) * | 2012-12-19 | 2015-12-16 | 苏州康捷医疗股份有限公司 | A kind of visible anterior segment inspection tester |
| CN104207751B (en) * | 2013-08-24 | 2017-01-25 | 北京高景弘毅科技发展有限公司 | Slit lamp camera with flashing function |
-
2014
- 2014-05-09 CN CN201410196801.XA patent/CN104207751B/en active Active
- 2014-05-09 CN CN201420237392.9U patent/CN203885474U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104207751A (en) * | 2013-08-24 | 2014-12-17 | 北京高景弘毅科技发展有限公司 | Slit lamp camera with flashing function |
| CN104207751B (en) * | 2013-08-24 | 2017-01-25 | 北京高景弘毅科技发展有限公司 | Slit lamp camera with flashing function |
| CN106618480A (en) * | 2015-07-22 | 2017-05-10 | 山西美丽通行科技有限公司 | Image acquisition unit having tomography capacity |
| CN107894659A (en) * | 2016-10-04 | 2018-04-10 | 晋弘科技股份有限公司 | Slit lighting device and microscope system thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104207751A (en) | 2014-12-17 |
| CN104207751B (en) | 2017-01-25 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20170803 Address after: 102199, Daxing District economic and Technological Development Zone, Beijing, No. three, No. 109, No. 34, building 4 Patentee after: BEIJING MINGDA TONGZE TECHNOLOGY Co.,Ltd. Address before: 100062 Beijing City, Dongcheng District Chongwen Kang Wai Avenue No. 44 building room 701 Patentee before: BEIJING GAOJING HONGYI TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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Granted publication date: 20141022 |