CN101366624A - Hand-hold screen display type direct ophthalmoscope - Google Patents
Hand-hold screen display type direct ophthalmoscope Download PDFInfo
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- CN101366624A CN101366624A CNA2008101213207A CN200810121320A CN101366624A CN 101366624 A CN101366624 A CN 101366624A CN A2008101213207 A CNA2008101213207 A CN A2008101213207A CN 200810121320 A CN200810121320 A CN 200810121320A CN 101366624 A CN101366624 A CN 101366624A
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- direct ophthalmoscope
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Abstract
The invention relates to a hand-held screen display type direct ophthalmoscope, which comprises a shell, as well as a lighting system and an observation system which are arranged in the shell. The observation system comprises a peephole, a focusing compensation system, a micro-camera system, an analog-digital conversion component, a screen display system and a micro-control system. All systems and components of the whole direct ophthalmoscope are jointly positioned in the shell which can be held and operated with a single hand. Compared with the direct ophthalmoscope which carries out examinations through the peephole, the direct ophthalmoscope of the invention does not require the close contact of the faces of an examiner and an examined person or require the examiner to adopt a passive body position to cater for the examined person during examinations. Therefore, the direct ophthalmoscope has the advantages that the direct ophthalmoscope is convenient and comfortable to use and easy to determine examination positions and immediately record discoveries during the examinations at will for careful analysis and judgment according to examination situations displayed on a screen, thereby reducing unnecessary examination time.
Description
Technical field
The present invention relates to a kind of medical examination apparatus, relate in particular to a kind of refraction of eye medium that is applicable to, other position of optical fundus and health such as local skin, the inspection in earhole and nostril and the hand-hold screen display type direct ophthalmoscope of photograph.
Background technology
Direct ophthalmoscope is a kind of be used to check refracting media and amphiblestroid instrument.At present, known in the world direct ophthalmoscope comprises two parts, illuminator and viewing system.Illuminator comprises bulb, collecting lens, diaphragm, optical filter and reflecting mirror.Viewing system comprises peephole and focus-compensating system.The focus-compensating system be used for compensating or and examiner and the bonded between the two ametropia of examinee to obtain to being examined the clear observation on optical fundus.This system is one and has comprised some and have the focus-compensating lens slewing disc of different refractive power lens.The position of rotating disk is positioned at peephole the place ahead, can be by rotary turnplate so that before wherein the focus-compensating lens of a certain refractive power just is in peephole, user is by the peephole of the eyes process direct ophthalmoscope of usefulness oneself and the situation that the focus-compensating lens are seen examinee's inside ofeye.Regulate ophthalmoscope by mobile direct ophthalmoscope during use and be examined the distance of eyes and relative position needs the position checked and obtains distinct image by the number of degrees that the finger push rotating disk is regulated the selective focus offset lens to find.
Direct ophthalmoscope need be placed on those who are investigated's close pupil place when using the direct ophthalmoscopy eyes at the moment, the examiner must see through the focus-compensating lens near the ophthalmoscope peephole with the eyes of oneself and just can observe the position that need check simultaneously.Thereby this inspection method of observing by peephole requires the face portion and the adjacent direct ophthalmoscope of eyes of user to make that examiner and those who are investigated's face is very close, causes inconvenient and uncomfortable; Simultaneously, owing to observe in order to be convenient near ophthalmoscope, the examiner need take a kind of passive position that caters to those who are investigated's head position and posture (or bow or bend over), is very easy to tiredly, is difficult to do the long period fundus observation.In using the ophthalmoscopy process, user is usually adjusted figure because of uncomfortable posture and is made the ophthalmoscope camera lens leave to be examined the position, user often needs to seek the position of wanting to check through mobile ophthalmoscope repeatedly and finishes observation to check point, having increased the review time has also increased examiner and examinee's fatigue and uncomfortable, these of Direct Test mirror use inconvenience usually to cause doctor's abort inspection and adopt other test mode such as fundus photography, have not only wasted the time but also increased inspection fee.
On the other hand, can't note with the form of image or picture and text immediately, both be unfavorable for explaining check result, also be unfavorable between the doctor checking the interchange and the discussion of situation to those who are investigated by the observed situation of direct ophthalmoscope.
Summary of the invention
The objective of the invention is to overcome the defective of prior art, a kind of screen display type direct ophthalmoscope more convenient, that inspection is hand-holdable more accurately that uses is provided.
For achieving the above object, the present invention adopts a kind of hand-hold screen display type direct ophthalmoscope, comprise housing and be installed in intravital illuminator of shell and viewing system, wherein illuminator comprises bulb, collecting lens, diaphragm, optical filter and reflecting mirror, viewing system comprises peephole and focus-compensating system, viewing system also comprises little camera system, the analog digital conversion parts, on-screen display system, micro control system, the camera lens of little camera system is to constitute by placement is combined before and after adjustable focus-compensating lens and the little pick-up lens, little camera system is arranged on focus-compensating system rear end, the analog digital conversion parts, on-screen display system and micro control system relative set are in housing, and each system of whole direct ophthalmoscope and parts coexistence are in a housing that can grip and operate with one hand.
The present invention further is set to the focus-compensating lens and is made up of the dioptric little eyeglass of difference, its diopter scope from+20D through 0D until-35D; These little eyeglasses can be installed on the rotating disk or be loaded on the chain, and by the promotion of finger, or controlling control system on the ophthalmoscope body by finger drives electro-motor and drive, and the eyeglass of the required corresponding number of degrees is moved to little pick-up lens front.
The present invention further is set to also be provided with in little camera system optical zoom mechanic and the Digital Zoom mechanism that combines with camera system focus-compensating lens.
The present invention further is set to also to be equiped with in the housing signal storage parts that link to each other with analog digital conversion parts in the viewing system again.
The present invention compares with the direct ophthalmoscope of checking by peep-hole, do not need the close contact of examiner and those who are investigated's face portion, also need not the examiner and when checking, adopt the positive position that caters to the examinee, thereby it is easy to use, comfortable, be easy to determine check point and anatomize and judge, reduced the unnecessary review time according to the discovery in the arbitrarily instant recording inspection of the inspection situation of screen display; The present invention is by the checked position of screen viewing on the ophthalmoscope body, according to the situation of screen display or move ophthalmoscope with hands and seek and want the position checked, or select image on appropriate amasthenic lens and the convergent-divergent screen with the panel face on the finger manipulation ophthalmoscope body, to obtain desirable and observing effect clearly, can also arbitrarily immediately observed position recording be become photologging to store, make that examination of ocular fundus and fundus photography are finished simultaneously.
Description of drawings
Fig. 1 is an embodiment of the invention flow chart illustration.
Fig. 2 is the camera lens sketch map of the little camera system of the embodiment of the invention.
Fig. 3 is an embodiment of the invention schematic flow sheet.
Fig. 4 is an embodiment of the invention front view.
Fig. 5 is an embodiment of the invention right view.
Fig. 6 is an embodiment of the invention left view.
The specific embodiment
As Fig. 1,2,4,5, shown in 6, specific embodiments of the invention are a kind of hand-hold screen display type direct ophthalmoscopes, comprise housing 1 and be installed in illuminator 2 and viewing system in the housing 1, wherein illuminator 2 comprises bulb, collecting lens, diaphragm, optical filter and reflecting mirror, viewing system comprises peephole, little camera system 3, analog digital conversion parts 4, on-screen display system 5, micro control system 7, signal storage parts 6, the camera lens of little camera system 3 is by adjustable focus-compensating lens 31, combined formation is placed in little pick-up lens 32 and imaging photosensitive element 33 front and back, analog digital conversion parts 4, on-screen display system 5 and micro control system 7 relative set are in housing 1, and each system of whole direct ophthalmoscope and parts coexistence are in a housing 1 that can grip and operate with one hand.Wherein focus-compensating lens 31 are made up of the dioptric little eyeglass 311 of difference, its diopter scope from+20D through 0D until-35D, these little eyeglasses 311 can be installed on the rotating disk 312 or be loaded on the chain, promotion by finger, or controlling control system on the housing 1 by finger drives electro-motor and drives, and the little eyeglass 311 of the required corresponding number of degrees is moved to little pick-up lens 32 fronts.Also be provided with the optical zoom mechanic and the Digital Zoom mechanism that combine with camera system focus-compensating lens 31 in little camera system 3.The signal storage parts link to each other with analog digital conversion parts in the viewing system.Little pick-up lens 32 in little camera system in the present embodiment and imaging photosensitive element 33, analog digital conversion parts 4, on-screen display system 5, micro control system 7 and signal storage parts 6 can directly adopt existing digital camera parts to realize.
Because the present invention is a set illuminator 2, the little camera system 3 that contains scalable focus-compensating lens 31, on-screen display system 5, micro control system 7 is in the housing 1 that an one hand can grip and operate, and the examiner finishes following operation according to the image situation one hand of the check point that is manifested on the display screen 51: 1, move ophthalmoscope with the gripping hands and make Oph camera aperture 34 be in an appropriate position that is positioned at examinee's pupil the place ahead to obtain the position that needs are observed; 2, when observing the check point situation of passing through screen display, available finger is regulated appropriate intensity of illumination by the panel face 71 of the micro control system 7 on the housing 1, and the focus-compensating lens of the appropriate number of degrees and appropriate optics (zoom) amplify and numeral (zoom) is amplified to obtain desirable and image clearly; 3, by the arbitrarily instant discovery of recording in inspection of the panel face of the micro control system 7 on the housing 1, store or network delivery with digital image data form.
As shown in Figure 3, behind the startup power supply, the main optical path of the light that the light source of illuminator 2 sends is refracted into the optical fundus 9 that pupil arrives those who are investigated through the steering reflection mirror of condenser system 8 (comprising condenser lens, diaphragm, object lens, steering reflection mirror).The reflection ray on optical fundus 9 projects imaging photosensitive element 33 through little pick-up lens 32 again through scalable focus-compensating lens 31 after pupil comes out.On imaging photosensitive sensing element 33, the light that reflects from inspected object is transformed into electric charge, convert the digital image signal to by the analog-digital converter chip again, the chromatic liquid crystal screen by on-screen display system looks like the station diagram that is checked through to show.Digital image signal or store for graphical analysis by signal storage parts 6 as required, preserve and print image used.
The present invention compares with the direct opthalmoscope that checks by peep-hole, does not need the examiner With the close contact of those who are investigated's face section, also need not the examiner and when checking, adopt and cater to Examinee's passive position, thus easy to use, comfortable, be easy to determine check point and according to The inspection situation of screen display arbitrarily the discovery in the instant recording inspection anatomize and Judge, reduced the unnecessary review time; The present invention sees by the screen on the ophthalmoscope body Examine checked position, according to the situation of screen display or move ophthalmoscope with hand and seek and want inspection The position of looking into, or select appropriate with the control panel face 71 on the finger manipulation ophthalmoscope body Image on amasthenic lens and the convergent-divergent screen to obtain desirable and observing effect clearly, also can Arbitrarily immediately the position recording of observing is become photologging to store, so that funduscopy and eye End photograph is finished simultaneously.
Claims (5)
1. hand-hold screen display type direct ophthalmoscope, comprise housing and be installed in intravital illuminator of shell and viewing system, wherein illuminator comprises bulb, collecting lens, diaphragm, optical filter and reflecting mirror, viewing system comprises peephole and focus-compensating system, it is characterized in that: viewing system also comprises little camera system, the analog digital conversion parts, on-screen display system, micro control system, the camera lens of little camera system is to constitute by placement is combined before and after adjustable focus-compensating lens and the little pick-up lens, little camera system is arranged on focus-compensating system rear end, the analog digital conversion parts, on-screen display system and micro control system relative set are in housing, and each system of whole direct ophthalmoscope and parts coexistence are in a housing that can grip and operate with one hand.
2. hand-hold screen display type direct ophthalmoscope according to claim 1 is characterized in that: described focus-compensating lens are made up of the dioptric little eyeglass of difference, its diopter scope from+2OD through OD until-35D; These little eyeglasses can be installed on the rotating disk or be loaded on the chain, and by the promotion of finger, or controlling control system on the ophthalmoscope body by finger drives electro-motor and drive, and the eyeglass of the required corresponding number of degrees is moved to little pick-up lens front.
3. hand-hold screen display type direct ophthalmoscope according to claim 1 and 2 is characterized in that: also be provided with the optical zoom mechanic and the Digital Zoom mechanism that combine with camera system focus-compensating lens in described little camera system.
4. hand-hold screen display type direct ophthalmoscope according to claim 1 and 2 is characterized in that: also be equiped with the signal storage parts that link to each other with analog digital conversion parts in the viewing system in the described housing.
5. hand-hold screen display type direct ophthalmoscope according to claim 3 is characterized in that: also be equiped with the signal storage parts that link to each other with analog digital conversion parts in the viewing system in the described housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101213207A CN101366624A (en) | 2008-09-25 | 2008-09-25 | Hand-hold screen display type direct ophthalmoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101213207A CN101366624A (en) | 2008-09-25 | 2008-09-25 | Hand-hold screen display type direct ophthalmoscope |
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| Publication Number | Publication Date |
|---|---|
| CN101366624A true CN101366624A (en) | 2009-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101213207A Pending CN101366624A (en) | 2008-09-25 | 2008-09-25 | Hand-hold screen display type direct ophthalmoscope |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2474082A (en) * | 2009-10-05 | 2011-04-06 | Keeler Ltd | Ophthalmic instrument |
| CN104921699A (en) * | 2015-06-18 | 2015-09-23 | 苏州四海通仪器有限公司 | Ophthalmoscope based on mobile intelligent terminal |
| CN111789571A (en) * | 2019-04-09 | 2020-10-20 | 深圳巴久聆科技有限公司 | Dual-purpose ophthalmoscope |
| CN115813330A (en) * | 2023-02-22 | 2023-03-21 | 北京鹰瞳科技发展股份有限公司 | Human eye diopter detection method and device, electronic equipment and medium |
-
2008
- 2008-09-25 CN CNA2008101213207A patent/CN101366624A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2474082A (en) * | 2009-10-05 | 2011-04-06 | Keeler Ltd | Ophthalmic instrument |
| GB2474082B (en) * | 2009-10-05 | 2015-11-11 | Keeler Ltd | Improvements in and relating to ophthalmic instruments |
| CN104921699A (en) * | 2015-06-18 | 2015-09-23 | 苏州四海通仪器有限公司 | Ophthalmoscope based on mobile intelligent terminal |
| CN111789571A (en) * | 2019-04-09 | 2020-10-20 | 深圳巴久聆科技有限公司 | Dual-purpose ophthalmoscope |
| CN115813330A (en) * | 2023-02-22 | 2023-03-21 | 北京鹰瞳科技发展股份有限公司 | Human eye diopter detection method and device, electronic equipment and medium |
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Open date: 20090218 |