CN102512137B

CN102512137B - Visual digital ophthalmoscope

Info

Publication number: CN102512137B
Application number: CN201110436980.6A
Authority: CN
Inventors: 朱永林
Original assignee: SUZHOU KANGJIE MEDICAL CO Ltd
Current assignee: SUZHOU KANGJIE MEDICAL CO Ltd
Priority date: 2011-12-23
Filing date: 2011-12-23
Publication date: 2014-10-01
Anticipated expiration: 2031-12-23
Also published as: CN102512137A

Abstract

The invention relates to a visual digital ophthalmoscope for inspecting and recoding fundus diseases, which comprises a handle and a main machine casing arranged at the upper portion of the handle. A rotary wheel is arranged in the main machine casing, a diopter compensating mirror is sleeved on the right side of the rotary wheel, and a digital camera is positioned on the right side of the main machine casing. A lamp bulb, a collection mirror, an adjusting plate, a projecting mirror and a reflector are sequentially arranged in the main machine casing from the bottom to the top, wherein a 45-degree angle is formed between the placing position of the reflector and the right lateral wall of the main machine casing. Light emitted from the lamp bulb is collected by the collection mirror to enter the adjusting plate, then the light is coupled by cracks in the adjusting plate to be output into the projecting mirror, the light is projected to the reflector through the projecting mirror and reflected by the reflector to enter fundus of patients, light reflected from the fundus of the patients enters the digital camera through the diopter compensating mirror, and the digital camera can shoot, record, transcribe and store fundus images of the patients to improve correct rate of diagnosis. The visual digital ophthalmoscope is small in volume, simple in structure, convenient to carry and suitable for going-out treatment.

Description

A kind of visual digital ophthalmoscope

Technical field

The present invention relates to a kind of ophthalmofundoscope checking for optical fundus disease, relate in particular to a kind of visual digital ophthalmoscope that there is inspection, shooting, record, hold function and can portablely carry.

Background technology

Conventionally be applied in clinically, to patient retinopathy, retina shedding for example, neurotic atrophy, cataract, punctum luteum hemorrhage etc., all that large-scale ophthalmoscope by being applied in hospital carries out medical examination, to determine position and the character of pathological changes, at present, domestic widely used ophthalmoscope is mainly applied in hospital, by light source, condenser lens, steering reflection mirror and variable eyepiece form, the light that light source sends is through optically focused, after turning to, be refracted in patient's pupil, the visible light optical fundus situation that doctor goes out by pupil internal reflection, but there is many shortcomings:

1, omnidistance inspection, eyes are all that close-ups completes near on ophthalmoscope, easily patient's eyes are caused to superinfection;

2, doctor's observation visual field is little, easily causes doctor's eye tired, causes mistaken diagnosis;

3, diagnostic result is difficult for preserving, and the conclusion that the simple observation of passing through doctor draws may have deviation, is unfavorable for the further diagnosis in later stage.

Summary of the invention

Technical problem to be solved by this invention is to provide a kind of visual digital ophthalmoscope that has inspection, shooting, record, hold function and can portablely carry.

The present invention solves the technical scheme that its technical problem takes: a kind of for checking and record the visual digital ophthalmoscope of optical fundus disease, comprise handle and the main case that is arranged on handle top, in described main case, be provided with runner, this runner right side is socketed with diopter compensating glass, described main case right side is provided with DV, main case left surface is inclined-plane, on this inclined-plane, offer observation port, in described main case, be provided with successively from bottom to top bulb, condenser lens, adjustment disk, projectoscope and illuminator, described bulb, condenser lens, adjustment disk, the center of projectoscope and illuminator point-blank, the putting position of described illuminator and main case right side wall are 45° angle a, and the setting of this angle is can be by parallel the entering in patient's pupil of observation port in order to penetrate light.

Further, in order to consider the volume of whole visual digital ophthalmoscope, in described handle, be provided with battery, described battery is connected with bulb by wire, by battery supply to bulb powered, be conducive to visual digital ophthalmoscope go out carry.

Further, for being coupled, the light that bulb is penetrated is input in projectoscope, described adjustment disk is by great Guang Lan, little Guang Lan, form without red filter disc, crack and central gridding, described great Guang Lan, little Guang Lan, is array-like distributes without red filter disc, crack and central gridding centered by the center of circle of adjustment disk.

The invention has the beneficial effects as follows: the light that bulb sends, after converging, condenser lens enters adjustment disk, by the crack in adjustment disk, light coupling output is entered to projectoscope again, light projects illuminator by projectoscope, by illuminator reflection, enter patient optical fundus again, the reflection ray on patient optical fundus enters DV by diopter compensating glass, and DV can be taken, record, Record and Save patient's ophthalmofundoscope picture, improves the accuracy of diagnosis; Small volume, the quality of this structure fabrication are light, cost is low, simple in structure, be easy to carry, can be applicable to going out to go to a doctor.

accompanying drawing explanation:

Fig. 1 is structural representation of the present invention;

Fig. 2 is structure of the present invention left side schematic diagram;

Fig. 3 is the schematic diagram of adjustment disk in the present invention;

Fig. 4 is that the present invention's light in the specific implementation moves towards schematic diagram.

In figure: 1, battery 2, handle 3, bulb 4, condenser lens 5, adjustment disk 51, large light hurdle 52, little smooth hurdle 53, without red filter disc 54, crack 55, central gridding 6, main case 7, projectoscope 8, observation port 9, illuminator 10, DV 11, runner 12, diopter compensating glass 13, patient optical fundus.

The specific embodiment

Fig. 1, a kind of for checking and record the visual digital ophthalmoscope of optical fundus disease shown in Fig. 2, comprise handle 2 and the main case 6 that is arranged on handle 2 tops, in described main case 6, be provided with runner 11, these runner 11 right sides are socketed with diopter compensating glass 12, its diopter refers to the ability that represents dioptric by light closeness, compensating glass is by the diopter of equal and opposite in direction and opposite direction is introduced, in the less desirable toroid being produced by the course of processing and obtain, the effect of this diopter compensating glass 12 is that light that 13 internal reflections of patient optical fundus are gone out is gathered and entered in DV 10, described main case 6 right sides are provided with DV 10, and the effect of this DV 10 is that imaging light is taken, recorded, main case 6 left surfaces are inclined-plane, on this inclined-plane, offer observation port 8, in described main case 6, be provided with successively from bottom to top bulb 3, condenser lens 4, adjustment disk 5, projectoscope 7 and illuminator 9, the center of described bulb 3, condenser lens 4, adjustment disk 5, projectoscope 7 and illuminator 9 point-blank, the putting position of described illuminator 9 and main case 6 right side walls are 45° angle a, the line of centres of the center of this illuminator 9 and observation port 8 is horizontal line, the setting of this angle is can be by parallel the entering in patient's pupil of observation port 8 in order to penetrate light, as long as patient's eye, observation port 8 mid points and reflecting mirror 9 mid points are on a horizontal linear, patient's eye has certain limit all can check apart from observation port 8.

Further, in order to consider the volume of whole visual digital ophthalmoscope, in described handle 2, be provided with battery 1, described battery 1 is connected with bulb 3 by wire, adopt aneroid battery or accumulator, all can be bulb 3 power supply is provided, can be conducive to visual digital ophthalmoscope and go out to carry.

Further, as shown in Figure 3, for being coupled, the light that bulb 3 is penetrated is input in projectoscope 7, described adjustment disk 5 is by large light hurdle 51, little smooth hurdle 52, form without red filter disc 53, crack 54 and central gridding 55, described large smooth hurdle 51, little smooth hurdle 52, without red filter disc 53, crack 54 and central gridding 55, centered by the center of circle of adjustment disk 5, be array-like and distribute, wherein, the effect on large light hurdle 51 and little smooth hurdle 52 is to allow light not only interfere but also diffraction, forms very thin bright rays; Described crack 54 is by linear illumination beam coupling output.

Overall light trend shown in Fig. 4: the light that bulb 3 sends, after converging, condenser lens 4 enters adjustment disk 5, by the crack 54 in adjustment disk 5, light coupling output is entered to projectoscope 7 again, light projects illuminator 9 by projectoscope 7, by illuminator 9 reflections, enter patient optical fundus 13 again, the reflection ray on patient optical fundus 13 enters DV 10 by diopter compensating glass 12, and DV 10 can be taken, record, Record and Save patient's ophthalmofundoscope picture, improves the accuracy of diagnosis; Small volume, the quality of this structure fabrication are light, cost is low, simple in structure, be easy to carry, can be applicable to going out to go to a doctor.

It is emphasized that: be only preferred embodiment of the present invention above, not the present invention is done to any pro forma restriction, any simple modification, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment, all still belong in the scope of technical solution of the present invention.

Claims

1. one kind for checking and record the visual digital ophthalmoscope of optical fundus disease, it is characterized in that: comprise handle (2) and be arranged on the main case (6) on handle (2) top, in described main case (6), be provided with runner (11), this runner (11) right side is socketed with diopter compensating glass (12), described main case (6) right side is provided with DV (10), main case (6) left surface is inclined-plane, on this inclined-plane, offer observation port (8), in described main case (6), be provided with successively from bottom to top bulb (3), condenser lens (4), adjustment disk (5), projectoscope (7) and illuminator (9), described bulb (3), condenser lens (4), adjustment disk (5), the center of projectoscope (7) and illuminator (9) point-blank, the putting position of described illuminator (9) and main case (6) right side wall are 45° angle, described adjustment disk (5) is by great Guang Lan (51), little Guang Lan (52), form without red filter disc (53), crack (54) and central gridding (55), described large smooth hurdle (51), little Guang Lan (52), is array-like distributes without red filter disc (53), crack (54) and central gridding (55) centered by the center of circle of adjustment disk (5).

2. visual digital ophthalmoscope according to claim 1, is characterized in that: in described handle (2), be provided with battery (1), described battery (1) is connected with bulb (3) by wire.