CN217186085U

CN217186085U - Image and eye examination integrated mirror

Info

Publication number: CN217186085U
Application number: CN202220615084.XU
Authority: CN
Inventors: 仁千格麦; 向雪辉
Original assignee: West China Hospital of Sichuan University
Current assignee: West China Hospital of Sichuan University
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-08-16
Anticipated expiration: 2032-03-14

Abstract

The utility model belongs to the technical field of medical optical instruments, in particular to a pair of ophthalmoscopes for examining shadows and examining eyes, which comprises a handle, a connecting block and a detection head part which are connected in sequence, wherein the detection head part comprises an ophthalmoscope barrel body and an optometry barrel body which are arranged in parallel; a light source is arranged in the connecting block, and a rotatable reflector I is arranged in the detection head; a reflector II with a fixed angle, a first focusing lens, a filter disc, an adjustable diaphragm, a second focusing lens and a reflector III positioned between peepholes I on the front side wall and the rear side wall of the eye examination cylinder are sequentially arranged in the eye examination cylinder along a light path; the inspection cylinder is sequentially provided with a reflector IV with a fixed angle and a reflector V between peepholes II on the front side wall and the rear side wall of the inspection cylinder along a light path; the utility model discloses an it has concurrently to examine the shadow and examines eye function, conveniently examines the shadow and the eye ground inspection switches the use to examine the eye integral mirror, has improved medical staff to patient's observation efficiency, labour saving and time saving, and energy-efficient has reduced equipment manufacturing cost.

Description

Image and eye examination integrated mirror

Technical Field

The utility model belongs to the technical field of medical optical instrument, concretely relates to inspection eye integrated mirror is examined to shadow.

Background

The image detection lens uses the characteristic of conjugate point to observe the fundus reflection and shadow of the detected eye at a certain distance so as to judge whether the detected eye is short-sighted, emmetropic or long-sighted and judge the refractive reading of the detected eye; an ophthalmoscope is an instrument for examining the refractive medium and retina of the eye; when the eyes are inspected, the ophthalmoscope and the ophthalmoscope are required to be matched for use, and are replaced and used back and forth, the whole process lasts for more than 10 seconds, and the time is long and the carrying is inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problem, the present invention provides an eye-examining mirror with functions of examining the shadow and the eye, and convenient use.

The utility model adopts the technical scheme as follows:

a shadow and eye examination integrated mirror comprises a handle, a connecting block and a detection head which are sequentially connected, wherein the detection head comprises an eye examination cylinder body and a shadow examination cylinder body which are arranged in parallel; the connecting block is a tubular structure with an opening at the top end and a closed bottom end, and the eye examination cylinder body and the shadow examination cylinder body are respectively communicated with the inner cavity of the connecting block; the front side surface and the back side surface of the eye examination cylinder body and the shadow examination cylinder body are correspondingly provided with a peephole I and a peephole II; a light source is arranged in the connecting block, and a rotatable reflector I is arranged in the detection head; a reflector II with a fixed angle, a first focusing lens, a filter disc, an adjustable diaphragm, a second focusing lens and a reflector III positioned between peepholes I on the front side wall and the rear side wall of the eye examination cylinder are sequentially arranged in the eye examination cylinder along a light path; the inspection cylinder is sequentially provided with a reflector IV with a fixed angle and a reflector V between peepholes II on the front side wall and the rear side wall of the inspection cylinder along a light path.

Further, the first focusing lens and the second focusing lens are used for converting divergent light into parallel light, and the filter disc is used for filtering light rays with specific wave bands

Further, the end part of the eye examination cylinder body is an oval shell, a compensation lens disc is arranged on the surface of the oval shell, a compensation hand wheel and a diaphragm hand wheel are arranged on the side part of the oval shell, and a peephole I and a compensation lens reading window are arranged on the compensation lens disc.

Furthermore, a power supply is arranged in the handle and is connected with the light source in the connecting block through a line.

Furthermore, a colorless optical filter and at least one colored optical filter are arranged on the optical filter disc.

Furthermore, the handle, the connecting block and the shell of the detection head are all made of plastics, and the structure can be processed through a die, so that the handle is formed by injection molding at one time, and the processing cost is reduced.

Furthermore, a push plate for adjusting the distance between the light source and the peephole II is arranged on the side wall of the film examination cylinder body, and the focusing function is realized through the moving operation of the push plate.

Furthermore, a rotary switch is arranged on the detection head part close to the eye examination barrel, and the light source is controlled to be turned on through the rotary switch, so that misoperation of a light path can be avoided.

Further, the light source is an illuminating lamp.

Furthermore, an adjusting knob corresponding to the rotatable reflector I is arranged on the shell of the detection head.

Borrow by above-mentioned scheme, the utility model discloses at least, have following advantage: the utility model discloses a shadow-examining and eye-examining integrated mirror passes through the setting of parts such as light source, filter disc, has realized simultaneously examining the shadow, examining two kinds of functions of eye to the trouble of examining the eye personnel frequently to change the shadow appearance, examining the eye appearance has been removed from, has improved work efficiency. When the eye examination device works specifically, a worker adjusts the working mode of eye examination or shadow examination through the adjusting knob, when the eye examination mode is rotated, light rays emitted by the illuminating lamp sequentially pass through the reflector I, the reflector II and the first focusing lens to form parallel light, the parallel light sequentially passes through the filter disc and the adjustable diaphragm to form strip-shaped light to be transmitted to the second focusing lens, and the strip-shaped light is transmitted to the reflector III in parallel after passing through the second focusing lens and is reflected to the peephole I in the front side face of the eye examination cylinder by the reflector III to be transmitted to the eye of an examined person. The light transmitted to the eyes of the examinees is reflected by the retinas of the eyes of the examinees and transmitted to the examination eyes through the reflector III and the peephole I on the rear side surface of the eye examination cylinder, and the examination eyes carry out eye examination according to the observed images; when the rotary image examination mode is used, light rays emitted by the illuminating lamp sequentially pass through the reflecting mirror I, the reflecting mirror IV and the reflecting mirror V and are reflected to the peephole II on the front side face of the image examination cylinder by the reflecting mirror V so as to be transmitted to the eyes of an examined person. The light transmitted to the eyes of the examinee is reflected by the retinas of the eyes of the examinee and transmitted to the examination eyes through the reflecting mirror II and the peephole I on the rear side face of the examination cylinder, and the examination eyes carry out examination according to the observed images.

To sum up, the utility model discloses an it has concurrently to examine shadow and examines eye function, conveniently examines the shadow and the eye ground inspection switches the use to examine the eye integrative mirror, has improved medical staff to patient's observation efficiency, labour saving and time saving, and energy-efficient has reduced equipment manufacturing cost.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is a schematic structural view of an ophthalmoscope of the present invention;

fig. 2 is a light path layout diagram of a lens for examining the shadow and the eye according to the present invention.

Reference numerals

A handle-1; connecting blocks-2; eye examination cylinder-3; a shadow examination cylinder-4; a peephole I-5; a peephole II-6; a light source-7; a reflector I-8; a mirror II-9; a first focusing lens-10; a filter disc-11; an adjustable diaphragm-12; a second focusing lens-13; mirror III-14; a reflector IV-15; mirror V-16; a compensating hand wheel-17; a diaphragm hand wheel-18; a push plate-19;

a rotary switch-20; adjusting knob-21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-2:

the application discloses a shadow and eye examination integrated mirror which comprises a handle 1, a connecting block 2 and a detection head part which are sequentially connected, wherein shells of the handle 1, the connecting block 2 and the detection head part are all made of plastics; the detection head comprises an eye examination cylinder 3 and a shadow examination cylinder 4 which are arranged in parallel; the connecting block 2 is a tubular structure with an opening at the top end and a closed bottom end, and the eye examination cylinder 3 and the shadow examination cylinder 4 are respectively communicated with the inner cavity of the connecting block 2; peepholes I5 and II6 are correspondingly formed in the front side surface and the rear side surface of the eye examination cylinder body 3 and the image examination cylinder body 4; a light source 7 is arranged in the connecting block 2, and the light source 7 is an illuminating lamp; the detection head is provided with a rotatable reflector I8, the shell of the detection head is provided with an adjusting knob 21 corresponding to the rotatable reflector I8, and an operator can adjust the rotation angle of the reflector I8 through the adjusting knob 21 so as to rotate the working mode; a reflector II9 with a fixed angle, a first focusing lens 10, a filter disc 11, an adjustable diaphragm 12, a second focusing lens 13 and a reflector III14 positioned between peepholes I5 on the front side wall and the rear side wall of the eye examination cylinder 3 are sequentially arranged in the eye examination cylinder 3 along a light path; the examination barrel 4 is sequentially provided with a reflector IV 15 with a fixed angle and a reflector V16 positioned between peepholes II6 on the front side wall and the rear side wall of the examination barrel 4 along the light path.

In the embodiment, the first focusing lens 10 and the second focusing lens 13 are used for converting divergent light into parallel light, and the filter disk 11 is used for filtering light rays in a specific wavelength band. The adjustable diaphragm 12 is used for adjusting the size of the clear aperture. The reflecting mirror III14 and the reflecting mirror v 16 are half mirrors or are opened in the middle of the reflecting mirror so that the light can pass through, in order to adjust the light path, so that the light reflected by the eye can enter the eye. In addition, in order to meet the requirements of the shadow examination and the eye examination, an external adjusting mechanism can be arranged to adjust the current and the illumination of the illuminating lamp, so that the light is adapted to the requirements of the shadow examination and the eye examination. The adjusting mechanism for adjusting the current and the illumination can also be arranged in the shell of the handle 1 so as to be convenient for operators to carry, the adjusting mechanism, the adjustable diaphragm 12 and other parts are conventional technologies and can be purchased in the market, and the specific structure and principle of the adjusting mechanism are not described in detail herein. In addition, a battery can be arranged in the handle 1 to supply power to all parts.

In a preferred embodiment, a power supply is arranged in the handle 1, and the power supply (not shown in the figure) is connected with the illuminating lamp in the connecting block 2 through a line.

This embodiment is through examining the shadow mirror with examine the glasses combination and be in the same place, through power and circuit control, conveniently examine the shadow and examine the eye and switch the use, reach and realize that facula shape changes, width transform, brightness change, the facula is rotatory and the function of focusing, not only the installation is dismantled conveniently, has improved medical staff and to patient's observation efficiency, labour saving and time saving, energy-efficient, reduced equipment manufacturing cost.

In a preferred embodiment, the end of the eye examination cylinder 3 is an elliptical shell, a compensation lens disc (not shown in the figure) is arranged on the surface of the elliptical shell, a compensation hand wheel 17 and a diaphragm hand wheel 18 are arranged on the side of the elliptical shell, and a peephole I5 and a compensation lens reading window (not shown in the figure) are arranged on the compensation lens disc.

In a preferred embodiment, a rotary switch 20 is arranged on the detection head part close to the eye examination cylinder body 3, the rotary switch 20 is used for controlling the on-off of the light source 7, and the knob switch is used for avoiding the misoperation of the light path.

In a preferred embodiment, the filter disk 11 is provided with a colorless filter and at least one colored filter, where the colored filter includes one or more of a green filter, a yellow filter, a cobalt blue filter, a slit filter, and a concentric mesh filter.

In a preferred embodiment, a push plate 19 for adjusting the distance between the light source 7 and the peephole II6 is disposed on the side wall of the inspection cylinder 4, and the structure of this embodiment realizes a focusing function by moving the push plate 19.

In a preferred embodiment, the peephole I5 and the peephole II6 are located at two sides of the eye examination cylinder body 3 and the image examination cylinder body 4, the eye examination cylinder body 3 and the image examination cylinder body 4 are arranged in parallel, light path interference is avoided in the examination process by the structure, and the functions of image examination and eye examination glasses are switched in the operation process conveniently.

The working principle is as follows: the staff adjusts the working mode of examining the eye or examining the shadow through adjust knob 21, and when the mode of examining the eye was examined in the rotation, the light that sends by the light formed parallel light through speculum I8, speculum II9 and first focusing lens 10 in proper order, and this parallel light forms banded light transmission to second focusing lens 13 through filter disc 11, adjustable diaphragm 12 in proper order again, after passing second focusing lens 13 parallel transmission to speculum III14 and reflect to examining the eye barrel 3 front side peephole I5 and then transmit to the person's eye by speculum III 14. The light transmitted to the eyes of the examinees is reflected by the retinas of the eyes of the examinees and transmitted to the eyes of the examinees through the reflector III14 and the peepholes I5 on the rear side surface of the eye examination cylinder 3, and the eyes of the examinees are examined according to the observed images; when the image examination mode is rotated, light rays emitted by the illuminating lamp sequentially pass through the reflecting mirror I8, the reflecting mirror IV 15 and the reflecting mirror V16 and are reflected to the peephole II6 on the front side surface of the image examination cylinder 4 by the reflecting mirror V16 so as to be transmitted to the eyes of an examinee. The light transmitted to the eye of the subject is reflected by the retina of the eye of the subject and transmitted to the inspection eye through the reflecting mirror II9 and the peephole I5 on the rear side surface of the inspection cylinder 4, and the inspection eye performs inspection according to the observed image.

As will be appreciated by those skilled in the art:

the present invention relates to the prior art of circuits and electronic components, and can be implemented by those skilled in the art without redundancy, and the present invention also does not relate to improvements to software and methods.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

Other embodiments are the same as or similar to the embodiment, and the description of the embodiment is not repeated.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims

1. A shadow and eye examination integrated mirror comprises a handle (1), a connecting block (2) and a detection head which are sequentially connected, and is characterized in that the detection head comprises an eye examination cylinder body (3) and a shadow examination cylinder body (4) which are arranged in parallel; the eye examination cylinder (3) and the shadow examination cylinder (4) are respectively communicated with the connecting block (2); the front side surface and the back side surface of the eye examination cylinder body (3) and the shadow examination cylinder body (4) are correspondingly provided with a peephole I (5) and a peephole II (6); a light source (7) is arranged in the connecting block (2), and a rotatable reflector I (8) is arranged in the detection head; a reflector II (9), a first focusing lens (10), a filter disc (11), an adjustable diaphragm (12), a second focusing lens (13) and a reflector III (14) positioned between peepholes I (5) on the front side wall and the rear side wall of the eye examination cylinder body (3) are sequentially arranged in the eye examination cylinder body (3) along a light path at a fixed angle; the film-inspecting cylinder (4) is sequentially provided with a reflector IV (15) with a fixed angle and a reflector V (16) positioned between peepholes II (6) on the front side wall and the rear side wall of the film-inspecting cylinder (4) along a light path.

2. The ophthalmoscope according to claim 1, wherein the end of the ophthalmoscope body (3) is an elliptical shell, the surface of the elliptical shell is provided with a compensation lens disc, the side part of the elliptical shell is provided with a compensation hand wheel (17) and a diaphragm hand wheel (18), and the compensation lens disc is provided with a peephole I (5) and a compensation lens reading window.

3. A lens for ophthalmoscopy according to claim 1, wherein a power supply is provided in the handle (1), said power supply being wired to the light source (7) in the connector block (2).

4. A mirror according to claim 1 in which the filter wheel (11) is provided with colourless and at least one coloured filter.

5. A lens according to claim 1, wherein the handle (1), the connecting block (2) and the housing of the detection head are made of plastic.

6. Ophthalmoscope according to claim 1, wherein the lateral wall of the cuvette body (4) is provided with a push plate (19) for adjusting the distance between the light source (7) and the viewing aperture II (6).

7. Ophthalmoscope according to claim 1, wherein the detection head is provided with a rotary switch (20) adjacent the ophthalmoscope body (3).

8. Ophthalmoscope according to claim 1, wherein the light source (7) is an illumination lamp.

9. Ophthalmoscope according to claim 1, wherein the housing of the inspection head is provided with an adjustment knob (21) corresponding to the rotatable mirror I (8).