CN212465956U - Slit-lamp microscope double-channel double-image collector imaging device - Google Patents
Slit-lamp microscope double-channel double-image collector imaging device Download PDFInfo
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- CN212465956U CN212465956U CN202020930611.7U CN202020930611U CN212465956U CN 212465956 U CN212465956 U CN 212465956U CN 202020930611 U CN202020930611 U CN 202020930611U CN 212465956 U CN212465956 U CN 212465956U
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Abstract
The utility model provides a slit-lamp microscope binary channels double-image collector imaging device, includes objective lens subassembly, binary channels double-image collector device and eyepiece subassembly, its characterized in that: the two-channel double-image collector device is positioned between the objective lens assembly and the eyepiece lens assembly; the objective lens assembly includes a first optical channel and a second optical channel; the two light beams passing through the first optical channel and the second optical channel respectively enter the two-channel double-image collector device; the two light beams are respectively matched with two optical paths in the dual-channel dual-image collector device; and each light ray passes through the matched optical path in the dual-channel dual-image collector device to respectively obtain images on the corresponding image collectors. According to different combinations of the two sets of optical systems and the two image collectors, the magnification ratios of the optical systems of the two optical channels of the device can be the same or different.
Description
Technical Field
The utility model relates to the field of medical equipment, concretely relates to slit-lamp microscope binary channels double-image collector imaging device.
Background
The eye is the most important organ in human sense, and about 80% of the knowledge in the brain is acquired by the eye. The eyes are needed to read the books and recognize words, watch pictures, watch figures, enjoy beautiful scenery and the like.
The slit-lamp microscope is an important instrument which is not necessary to be few in ophthalmologic examination, is also the first extensive basic instrument for ophthalmologic routine examination, and is required to be forcibly configured in industries and countries such as ophthalmologic diagnosis and treatment, ophthalmologic health care, optometry lens matching and the like.
Throughout the world, from the smallest otolaryngological clinic to the large eye hospitals to the top-grade eye disease research institutions, ophthalmic slit-lamp microscopes are the most specialized devices for examining the eyelids, conjunctiva, sclera, cornea, anterior chamber, iris, pupil, lens and anterior 1/3 vitreous body to determine the location, nature, size and depth of lesions.
The ophthalmic slit-lamp microscope is widely used by medical institutions, ophthalmic health care institutions and spectacle chain stores, and the function expansion and improvement on the instrument play an important role in human eye health.
The structure of the slit lamp mainly comprises four parts: the device comprises a slit illuminating mechanism, a microscope optical body, a moving platform mechanism and a chin rest mechanism, wherein the slit illuminating mechanism and the microscope optical body are the most important.
The slit-lamp microscope is a binocular microscope for observing two eyes simultaneously, and the basic principle is that a group of composite prisms are utilized to divide light beams penetrating through an objective lens into two beams with the same intensity to form two intermediate images, and the two intermediate images are respectively magnified and observed by a left ocular lens and a right ocular lens, so that a three-dimensional stereoscopic vision image is formed in a human brain.
The existing digital slit lamp is that a light splitting system is arranged on a left eyepiece light path (or a right eyepiece light path) between an eyepiece and an objective lens of an optical body of a common slit lamp microscope, then a corresponding optical system and an image collector are arranged on the split light path, an image signal which is the same as that of the left eyepiece (or the right eyepiece light path) can be obtained, and a computer can be used for analyzing, displaying, storing, printing and other related application processing on the image signal.
The existing digital slit lamp only uses one light path, which causes the following defects: a. only one specific spectrum signal can be obtained at the same time; b. at the same time, the image collector can only obtain an image with one optical magnification; c. at the same time, only one angle is observed for the object, and a two-dimensional image is obtained.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's not enough, used two optical channel of slit lamp microscope, obtained two kinds of images with two image collector, solve digital slit lamp microscope: 1. obtaining images of two specific spectrum signals at the same time; 2. at the same time, the image collector obtains images with two optical magnifications; and 3, observing the object from two angles at the same time to obtain a stereoscopic image.
Therefore, the utility model provides a slit-lamp microscope binary channels double-image collector device, concrete technical scheme is as follows:
the utility model provides a slit-lamp microscope binary channels double-image collector imaging device, includes objective lens subassembly, binary channels double-image collector device and eyepiece subassembly, its characterized in that: the two-channel double-image collector device is positioned between the objective lens assembly and the eyepiece lens assembly;
the objective lens assembly includes a first optical channel and a second optical channel;
the two light beams passing through the first optical channel and the second optical channel respectively enter the two-channel double-image collector device;
the two light beams are respectively matched with two optical paths in the dual-channel dual-image collector device;
and each light ray passes through the matched optical path in the dual-channel dual-image collector device to respectively obtain images on the corresponding image collectors.
Further: the dual-channel dual-image collector device comprises a spectroscope connecting support, a spectroscope turntable, a first support and a second support;
the first support and the second support are respectively connected to the spectroscope connecting support, the spectroscope turntable is installed in the spectroscope connecting support, and the spectroscope turntable is located between the first support and the second support;
the objective lens assembly and the eyepiece lens assembly are oppositely arranged on two sides of the spectroscope connecting support.
Further: a first reflecting device and a second reflecting device are respectively arranged in the spectroscope turntable, the first reflecting device is aligned with the first optical channel, and the second reflecting device is aligned with the second optical channel;
an optical channel within the first mount in communication with the first optical channel; a first image acquisition optical assembly is arranged in the optical channel of the first bracket, and a first image collector is connected to the first bracket;
and the optical channel in the second bracket is communicated with the second optical channel, a second image acquisition optical assembly is arranged in the optical channel of the second bracket, and a second image collector is connected to the second bracket.
Further: the first support is connected to the lower end face of the spectroscope connecting support, and the second support is installed on the upper end face of the spectroscope connecting support.
The utility model has the advantages that: firstly, the device directly utilizes two optical channels of the slit lamp microscope optical body, is provided with two sets of optical systems and two image collectors, and forms a digital slit lamp which is different from the existing digital slit lamp.
Secondly, according to different combinations of the two sets of optical systems and the two image collectors, the magnification of the optical systems of the two optical channels of the device can be the same or different. At the same time, two pictures can be synthesized into a three-dimensional image under the same magnification of the optical systems of the two optical channels; at the same time, two images with different magnifications can be respectively obtained by the optical systems of the two optical channels under different magnifications, and the purposes of the two images are different.
Thirdly, according to different combinations of the two sets of optical systems and the two image collectors, the two image collectors of the device can receive different spectrum signals and obtain different spectrum images at the same time.
Drawings
FIG. 1 is a cross-sectional view B-B of FIG. 2;
3 FIG. 3 2 3 is 3 a 3 cross 3- 3 sectional 3 view 3 A 3- 3 A 3 of 3 FIG. 3 1 3; 3
FIG. 3 is a cross-sectional view C-C of FIG. 1;
FIG. 4 is an optical schematic diagram of a slit lamp dual-channel dual-image collector;
FIG. 5 is an exploded view of the present patent;
in the figure, reference numerals indicate that a spectroscope connecting support 1, a first optical channel 2, a second optical channel 3, a spectroscope rotating disc 4, a first reflecting device-a downward light splitting reflector 5, a second reflecting device-an upward light splitting reflector 6, a first support-a lower support 7, a first image acquisition optical assembly 8, a second image acquisition optical assembly 9, a second image acquirer 10, a second support-an upper support 11, an objective lens assembly 12, an eyepiece assembly 13, a second image acquisition end cap 14, a first image acquisition reflector 15, a first image acquirer 16, a dual-channel dual-image acquisition device 17, a lower support optical channel 18 (a dot-dash line is a geometric center line of the optical channel and is called an optical axis), an upper support optical channel 19 (a dot-dash line is a geometric center line of the optical channel and is called an optical axis), and an eye 20.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
As shown in fig. 1 to 5: a slit-lamp microscope dual-channel dual-image collector device comprises an objective lens assembly 12, wherein the objective lens assembly 12 is specifically a slit-lamp optical body objective lens assembly, a dual-channel dual-image collector device and an eyepiece lens assembly 13, and the eyepiece lens assembly 13 is specifically a slit-lamp optical body eyepiece lens assembly 13.
The double-channel double-image collector device 17 is arranged between the slit lamp optical body mirror assembly 12 and the slit lamp optical body eyepiece assembly 13; light beams transmitted through two optical channels of an objective lens assembly 12, specifically a first optical channel 2 and a second optical channel 3 pass through two corresponding optical systems of a two-channel double-image collector device 17, specifically a first image collecting optical assembly 8 and a second image collecting optical assembly 9, and images are respectively obtained on the two image collectors;
in this embodiment, the dual-channel dual-image collector device includes a spectroscope connecting support 1, a spectroscope turntable 4, a first support and a second support, the first support corresponds to the lower support 7 in the drawing, and the second support corresponds to the upper support 11 in the drawing;
the lower support 7 is connected to the lower end face of the spectroscope connecting support 1, and the upper support 11 is arranged on the upper end face of the spectroscope connecting support 1;
the spectroscope turntable 4 is arranged in the spectroscope connecting support 1, and the objective lens assembly 12 and the eyepiece lens assembly 13 are respectively and oppositely arranged on two sides of the spectroscope connecting support 1;
a first optical channel 2 and a second optical channel 3 are respectively arranged in the slit lamp optical body lens assembly;
a downward light splitting reflector 5 and an upward light splitting reflector 6 are respectively arranged in the light splitting mirror turntable 4, the downward light splitting reflector 5 is aligned with the first optical channel 2, and the upward light splitting reflector 6 is aligned with the second optical channel 3;
the optical channel 18 in the lower bracket 7 communicates with the first optical channel 2; a first image acquisition optical assembly 8 is arranged in an optical channel of the lower bracket 7, and a first image acquisition device 16 is connected to the lower bracket;
an optical channel 19 in the upper bracket 11 is communicated with the second optical channel 3, a second image acquisition optical assembly 9 is arranged in the optical channel of the upper bracket 11, and a second image acquisition device 10 is connected to the upper bracket and aligned with the inlet of the optical channel of the upper bracket 11;
a first image acquisition optical assembly 8 is arranged in the first optical channel 2, a first image collector reflector 15 is arranged at the bottom of the optical channel of the lower bracket 7, a first image collector 16 is connected to the lower bracket 7, and the first image collector reflector 15 is aligned with the first image collector 16;
the top of the spectroscope connecting support 1 is provided with a second image acquisition end cover 14, and the second image acquisition device 10 is located in the second image acquisition end cover 14, so that the second image acquisition device is effectively protected and prevented from dust.
The utility model discloses the theory of operation: after passing through a slit lamp objective lens assembly 12, the light is divided into two light beams, which enter a first optical channel 2 and a second optical channel 3 of a slit lamp microscope respectively, and then irradiate onto a downward light-splitting reflector 5 and an upward light-splitting reflector 6 of a light-splitting mirror turntable 4 respectively, and enter an optical channel 18 of a lower bracket 7 through the reflected light of the downward light-splitting reflector 5, wherein a first image acquisition optical assembly 8 is arranged in the lower bracket optical channel 18, and the light beams irradiate onto a first image acquisition device 16 through a first image acquisition device reflector 15.
The reflected light of the upward beam splitting reflector 6 enters an optical channel 19 of the upper bracket 11, a second image acquisition optical assembly 9 is arranged in the optical channel 19 of the upper bracket, and the light beam irradiates a second image acquisition device 10.
Therefore, two paths of light can be collected by the first image collector 16 and the second image collector 10, two optical channels are utilized, and two images with different requirements can be obtained by shooting at one time.
According to the first image acquisition optical assembly 8 and the second image acquisition optical assembly 9 which are arranged differently and the first image acquirer 9 and the second image acquirer 10 which are arranged differently, images with different purposes at the same time are obtained, for example: 1. a stereoscopic image; 2. images of different magnifications; 3. images of different spectral signals.
The above examples (one on the upper portion of the slit-lamp optical body and one on the lower portion of the slit-lamp optical body after light splitting) are only for describing the preferred embodiments of the present invention, and are not intended to limit the spirit and scope of the present invention. Variations and modifications (1. the two split optical channels are on the upper part of the slit lamp optical body; 2. the two split optical channels are on the lower part of the slit lamp optical body) made by the technical solution of the patent by those skilled in the art are within the protection scope of the patent, and the technical content of the patent claims is fully described in the claims.
Claims (4)
1. The utility model provides a slit-lamp microscope binary channels double-image collector imaging device, includes objective lens subassembly, binary channels double-image collector device and eyepiece subassembly, its characterized in that: the two-channel double-image collector device is positioned between the objective lens assembly and the eyepiece lens assembly;
the objective lens assembly includes a first optical channel and a second optical channel;
the two light beams passing through the first optical channel and the second optical channel respectively enter the two-channel double-image collector device;
the two light beams are respectively matched with two optical paths in the dual-channel dual-image collector device;
and each light ray passes through the matched optical path in the dual-channel dual-image collector device to respectively obtain images on the corresponding image collectors.
2. The slit-lamp microscope dual-channel dual-image collector imaging device according to claim 1, characterized in that: the dual-channel dual-image collector device comprises a spectroscope connecting support, a spectroscope turntable, a first support and a second support;
the first support and the second support are respectively connected to the spectroscope connecting support, the spectroscope turntable is installed in the spectroscope connecting support, and the spectroscope turntable is located between the first support and the second support;
the objective lens assembly and the eyepiece lens assembly are oppositely arranged on two sides of the spectroscope connecting support.
3. The slit-lamp microscope dual-channel dual-image collector imaging device according to claim 2, characterized in that:
a first reflecting device and a second reflecting device are respectively arranged in the spectroscope turntable, the first reflecting device is aligned with the first optical channel, and the second reflecting device is aligned with the second optical channel;
an optical channel within the first mount in communication with the first optical channel; a first image acquisition optical assembly is arranged in the optical channel of the first bracket, and a first image collector is connected to the first bracket;
and the optical channel in the second bracket is communicated with the second optical channel, a second image acquisition optical assembly is arranged in the optical channel of the second bracket, and a second image collector is connected to the second bracket.
4. The slit-lamp microscope dual-channel dual-image-collector imaging device according to claim 3, characterized in that: the first support is connected to the lower end face of the spectroscope connecting support, and the second support is installed on the upper end face of the spectroscope connecting support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020930611.7U CN212465956U (en) | 2020-05-28 | 2020-05-28 | Slit-lamp microscope double-channel double-image collector imaging device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020930611.7U CN212465956U (en) | 2020-05-28 | 2020-05-28 | Slit-lamp microscope double-channel double-image collector imaging device |
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| CN212465956U true CN212465956U (en) | 2021-02-05 |
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| CN202020930611.7U Active CN212465956U (en) | 2020-05-28 | 2020-05-28 | Slit-lamp microscope double-channel double-image collector imaging device |
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