CN102512137A

CN102512137A - Visual digital ophthalmoscope

Info

Publication number: CN102512137A
Application number: CN2011104369806A
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: 2012-06-27
Anticipated expiration: 2031-12-23
Also published as: CN102512137B

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 ophthalmofundoscope

Technical field

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

Background technology

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

1, omnidistance inspection, eyes all are near on the ophthalmoscope, and close-ups is accomplished, and the eyes to the patient cause superinfection easily;

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

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

Summary of the invention

Technical problem to be solved by this invention provides a kind of visual digital ophthalmofundoscope 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 visual digital ophthalmofundoscope that is used to check and write down the optical fundus disease; Comprise handle and the main case that is arranged on handle top; Be provided with runner in the said main case, this runner right side is socketed with the diopter compensating glass, and said main case right side is provided with DV; The main case left surface is the inclined-plane; On this inclined-plane, offer observation port, be provided with bulb, condenser lens, adjustment disk, projectoscope and illuminator in the said main case from bottom to top successively, the center of said bulb, condenser lens, adjustment disk, projectoscope and illuminator point-blank; The putting position of said illuminator and main case right side wall are 45 a, and the setting of this angle is can be through parallel the entering in patient's pupil of observation port in order to penetrate light.

Further, in order to consider the ophthalmoscopic volume of whole visual number, in said handle, be provided with battery, said battery is connected with bulb through lead, gives bulb powered by battery supply, helps ophthalmoscopic the going out of visual number and carries.

Further; For being coupled, the light that bulb is penetrated is input in the projectoscope; Said adjustment disk is made up of Da Guanglan, Xiao Guanglan, no red filter disc, crack and center grid, and said Da Guanglan, Xiao Guanglan, no red filter disc, crack and center grid are that the center is the array-like distribution with the center of circle of adjustment disk.

The invention has the beneficial effects as follows: the light that bulb sends; Converge the back through condenser lens and get into adjustment disk, by the crack in the adjustment disk light coupling output is got into projectoscope again, light projects illuminator by projectoscope; Get into the patient optical fundus by the illuminator reflection again; The reflection ray on patient optical fundus gets into DV through the diopter compensating glass, and patient's ophthalmofundoscope picture can be taken, writes down, records and preserved to DV, improves diagnosis precision rate; The volume of this structure fabrication is less, light weight, cost are low, simple in structure, be easy to carry, and can be fit to go out go to a doctor.

Description of drawings:

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a structure of the present invention left side sketch map;

Fig. 3 is the sketch map of adjustment disk among the present invention;

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

Among the figure: 1, battery 2, handle 3, bulb 4, condenser lens 5, adjustment disk 51, big light hurdle 52, little smooth hurdle 53, no red filter disc 54, crack 55, center grid 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 visual digital ophthalmofundoscope that is used to check and write down the optical fundus disease shown in Figure 2; Comprise handle 2 and the main case 6 that is arranged on handle 2 tops; Be provided with runner 11 in the said main case 6; These runner 11 right sides are socketed with diopter compensating glass 12, and its diopter is meant the ability of representing dioptric with the light closeness, and compensating glass is through introducing equal and opposite in direction and diopter in the opposite direction; In the toroid of not expecting that is produced by the course of processing and obtain, the effect of this diopter compensating glass 12 is the light that 13 internal reflections of patient optical fundus go out to be gathered get in the DV 10; Said main case 6 right sides are provided with DV 10, and the effect of this digital video camera 10 is that imaging light is taken, recorded; Main case 6 left surfaces are the inclined-plane; On this inclined-plane, offer observation port 8; Be provided with bulb 3, condenser lens 4, adjustment disk 5, projectoscope 7 and illuminator 9 in the said main case 6 from bottom to top successively, the center of said bulb 3, condenser lens 4, adjustment disk 5, projectoscope 7 and illuminator 9 point-blank; The putting position of said illuminator 9 and main case 6 right side walls are 45 a; The line of centres of the center of this illuminator 9 and observation port 8 is a horizontal line; The setting of this angle is can be through observation port 8 parallel entering in patient's pupil 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 ophthalmoscopic volume of whole visual number, in said handle 2, be provided with battery 1; Said battery 1 is connected with bulb 3 through lead; Adopt aneroid battery or accumulator, all can be bulb 3 power supply is provided, can help visual digital ophthalmofundoscope and go out to carry.

Further; As shown in Figure 3, for being coupled, the light that bulb 3 is penetrated is input in the projectoscope 7, and said adjustment disk 5 is made up of big light hurdle 51, little smooth hurdle 52, no red filter disc 53, crack 54 and center grid 55; Said big smooth hurdle 51, little smooth hurdle 52, no red filter disc 53, crack 54 and center grid 55 are that the center is array-like and distributes with the center of circle of adjustment disk 5; Wherein, the effect on big light hurdle 51 and little smooth hurdle 52 is to let light not only interfere but also diffraction, forms very thin bright rays; Said crack 54 is with linear illumination beam coupling output.

Overall light trend shown in Figure 4: the light that bulb 3 sends; Converge the back through condenser lens 4 and get into adjustment disk 5, by the crack 54 in the adjustment disk 5 light coupling output is got into projectoscope 7 again, light projects illuminator 9 by projectoscope 7; Get into patient optical fundus 13 by illuminator 9 reflections again; The reflection ray on patient optical fundus 13 gets into DV 10 through diopter compensating glass 12, and patient's ophthalmofundoscope picture can be taken, writes down, records and preserved to DV 10, improves diagnosis precision rate; The volume of this structure fabrication is less, light weight, cost are low, simple in structure, be easy to carry, and can be fit to go out go to a doctor.

It is emphasized that: above only is preferred embodiment of the present invention; Be not that the present invention is done any pro forma restriction; Every foundation technical spirit of the present invention all still belongs in the scope of technical scheme of the present invention any simple modification, equivalent variations and modification that above embodiment did.

Claims

1. visual digital ophthalmofundoscope that is used to check and write down the optical fundus disease; It is characterized in that: comprise handle (2) and be arranged on the main case (6) on handle (2) top; Be provided with runner (11) in the said main case (6); This runner (11) right side is socketed with diopter compensating glass (12); Said main case (6) right side is provided with DV (10), and main case (6) left surface is the inclined-plane, on this inclined-plane, offers observation port (8); Be provided with bulb (3), condenser lens (4), adjustment disk (5), projectoscope (7) and illuminator (9) in the said main case (6) from bottom to top successively, the center of said bulb (3), condenser lens (4), adjustment disk (5), projectoscope (7) and illuminator (9) point-blank; The putting position of said illuminator (9) and main case (6) right side wall are 45.

2. visual digital ophthalmofundoscope according to claim 1 is characterized in that: in said handle (2), be provided with battery (1), said battery (1) is connected with bulb (3) through lead.

3. visual digital ophthalmofundoscope according to claim 1; It is characterized in that: said adjustment disk (5) by Da Guanglan (51), Xiao Guanglan (52), do not have red filter disc (53), crack (54) and center grid (55) and form, said big smooth hurdle (51), Xiao Guanglan (52), not have red filter disc (53), crack (54) and center grid (55) be that the center is array-like and distributes with the center of circle of adjustment disk (5).