CN102727176B - System and method of handhold slit lamp - Google Patents
System and method of handhold slit lamp Download PDFInfo
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- CN102727176B CN102727176B CN201110089501.8A CN201110089501A CN102727176B CN 102727176 B CN102727176 B CN 102727176B CN 201110089501 A CN201110089501 A CN 201110089501A CN 102727176 B CN102727176 B CN 102727176B
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- magnifier
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- slit lamp
- light source
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Abstract
The invention discloses a system and a method of a handhold slit lamp, relating to the field of an optical instrument. The system and the method of the handhold slit lamp are used for solving the problem that the slit lamp is not convenient to carry and use. The system of the handhold slit lamp comprises a handhold shell mechanism, a focusing lens, a diaphragm, a light spot adjusting part, a crack cutter blade, a dodging device, a light source, a driving circuit, a power supply device, and a switch device, wherein all or a part of the focusing lens, the diaphragm, the light spot adjusting part, the crack cutter blade, the dodging device, the light source, the driving circuit, and the power supply device are arranged on an axes of the handhold shell mechanism; preferably, the switch device is arranged at the tail part of the handhold shell mechanism; preferably, a semiconductor lighting light emitting diode (LED) device can be used in the light source. The system and the method of the handhold slit lamp are mainly used for the daily ophthalmic testing of doctors, especially for work round or visit the ophthalmic testing of the doctors; and the system and the method are mainly used for checking the organizations of the former section such as cornea, iris, and crystal and the like of patient's eye.
Description
Technical field
The present invention relates to optical instrument field, be specifically related to a kind of hand slit lamp system.
Background technology
Current slit lamp microscope, mainly desk-top slit lamp microscope, volume is comparatively large, not easily carries with.Even if there is hand slit lamp, what mostly adopt is the halogen tungsten lamp of straight line filament, and this light source is shorter for service life, generally only has 200 ~ 300 hours.Use cost is higher, also needs in addition often to change lamp source, brings many additional operations.When focusing or adjustment light source width, generally all need bimanualness just can complete, hold hand slit lamp on the other hand, regulate light source crack on the other hand.
Still there is following defect in existing slit lamp system:
Common defects:
1. volume is large, and Heavy Weight, not easily carries with.
2. light source is short for service life, and cost is high.
3. need often to change the light source damaged, bring more troubles to user.
4. regulate hot spot crack width and focal position to need both hands co-operating just can complete.
5. cost is very high.
Do not see the hand slit lamp system overcoming above defect in the market yet.
Summary of the invention
The object of the invention is to overcome the deficiency that prior art exists, provide a kind of market is never seen can overcome these defects, practical function, hand slit lamp of good performance.
The present invention adopts with following technical proposals:
Hand slit lamp system amasthenic lens, Guang Lan, hot spot adjustment component, crack blade, light source, drive circuit, electric supply installation, also be provided with hand-held outer case mechanism, described amasthenic lens, Guang Lan, hot spot adjustment component, crack blade, light source, drive circuit, electric supply installation, switching device be all or part of to be arranged on one section of described hand-held outer case mechanism or several sections of axis.
Described crack blade is installed near described light source place, can fix or adjustable with the distance of described light source; The inwall of described hot spot adjustment component is flexibly connected with the end of the close described light source of described hand-held outer case mechanism, described amasthenic lens, Guang Lan are arranged in the internal cavities of described hot spot adjustment component, and with the axis smoothly movement of described hot spot adjustment component along described hand-held outer case mechanism, the distance with described crack blade can be regulated.
Can also be provided with light balancing device between described crack blade and described light source, described crack blade, after described light balancing device effect, makes emergent light spot more even.
Described light balancing device can be condenser lens, light integrating rod, collimating lens.
Described light source is preferably semiconductor lighting devices LED.
Can also be provided with switching device, described switching device can be arranged in described hand-held outer case mechanism.
Preferably described switching device can be arranged on the afterbody of described hand-held outer case mechanism, is then connected on the outer end of the cavity of described hand-held outer case mechanism.
Also be provided with magnifier, all or part ofly can also be provided with magnifier rotating shaft A, magnifier cursor, magnifier rotating shaft B, magnifier lock-screw, magnifier clamp ring, and be linked in sequence, described magnifier is direct or be movably connected in described hand-held outer case mechanism by described magnifier rotating shaft A, magnifier cursor, magnifier rotating shaft B, magnifier lock-screw, all or part of of magnifier clamp ring, the optical axis of described magnifier and the optical axis of described optically focused camera lens can be adjusted to acute angle, and intersection point is positioned at the outside of described amasthenic lens.
Formed by the optical axis of described magnifier and the optical axis of described optically focused camera lens, acute angle and intersection point can regulate continuously.
The advantage of this hand slit lamp system is:
1. compact, lightweight, be convenient to carry with.
2. light source long service life, luminous efficiency is high, and energy consumption cost is very low.
3. do not need often to change light source, light source is non-maintaining.
4. regulate hot spot crack width and focal position, one-handed performance can complete.
5. with low cost.
Accompanying drawing explanation
Fig. 1 is simple embodiment schematic diagram of the present invention, in Fig. 1: hand-held outer case mechanism, amasthenic lens, Guang Lan, hot spot adjustment component, crack blade, light source, drive circuit, electric supply installation, switching device.
Fig. 2 is the embodiment schematic diagram that invention increases light balancing device, in Fig. 2: crack blade, light balancing device, light source.
Fig. 3 is the embodiment schematic diagram that invention increases magnifier mechanism, in Fig. 3: hand-held outer case mechanism, amasthenic lens, magnifier, magnifier rotating shaft A, magnifier cursor, magnifier rotating shaft B, magnifier lock-screw, magnifier clamp ring.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is further elaborated again:
In Fig. 1, hand slit lamp system amasthenic lens, Guang Lan, hot spot adjustment component, crack blade, light source, drive circuit, electric supply installation, also be provided with hand-held outer case mechanism, described amasthenic lens, Guang Lan, hot spot adjustment component, crack blade, light source, drive circuit, electric supply installation be all or part of to be arranged on one section of described hand-held outer case mechanism or several sections of axis.
Described crack blade is installed near described light source place, can fix or adjustable with the distance of described light source; The inwall of described hot spot adjustment component is flexibly connected with the end of the close described light source of described hand-held outer case mechanism, described amasthenic lens, Guang Lan are arranged in the internal cavities of described hot spot adjustment component, and with the axis smoothly movement of described hot spot adjustment component along described hand-held outer case mechanism, the distance with described crack blade can be regulated.
Described light source is preferably semiconductor lighting devices LED.
Can also be provided with switching device, described switching device can be arranged in described hand-held outer case mechanism.
Preferably described switching device can be arranged on the afterbody of described hand-held outer case mechanism, is then connected on the outer end of the cavity of described hand-held outer case mechanism.
In Fig. 2, can also be provided with light balancing device between described crack blade and described light source, described crack blade, after described light balancing device effect, makes emergent light spot more even.Described light balancing device can be condenser lens, light integrating rod, collimating lens.
In Fig. 3: be also provided with magnifier, all or part ofly can also be provided with magnifier rotating shaft A, magnifier cursor, magnifier rotating shaft B, magnifier lock-screw, magnifier clamp ring, and be linked in sequence, described magnifier is direct or pass through described magnifier rotating shaft A, magnifier cursor, magnifier rotating shaft B, magnifier lock-screw, the all or part of of magnifier clamp ring is movably connected in described hand-held outer case mechanism, the optical axis of described magnifier and the optical axis of described optically focused camera lens can be adjusted to acute angle, intersection point is positioned at the outside of described amasthenic lens.Formed by the optical axis of described magnifier and the optical axis of described optically focused camera lens, acute angle and intersection point can regulate continuously.
Thus, to whole hand slit lamp system move integrally and the eye of internal regulation compounding practice person and patient again moves, the observation to eye can be realized, facilitate easy-to-use.
Claims (8)
1. the system of a hand slit lamp, comprise amasthenic lens, Guang Lan, hot spot adjustment component, crack blade, light source, drive circuit, electric supply installation, also be provided with hand-held outer case mechanism, described amasthenic lens, Guang Lan, hot spot adjustment component, crack blade, light source, drive circuit, electric supply installation, be all or part ofly arranged on one section of described hand-held outer case mechanism or several sections of axis, it is characterized in that, described crack blade is installed near described light source place, can fix or adjustable with the distance of described light source; The inwall of described hot spot adjustment component is flexibly connected with the end of the close described light source of described hand-held outer case mechanism, described amasthenic lens, Guang Lan are arranged in the internal cavities of described hot spot adjustment component, and with the axis smoothly movement of described hot spot adjustment component along described hand-held outer case mechanism, the distance with described crack blade can be regulated.
2. hand slit lamp system according to claim 1, is characterized in that, can also be provided with light balancing device between described crack blade and described light source, and described crack blade, after described light balancing device effect, makes emergent light spot more even.
3. hand slit lamp system according to claim 2, is characterized in that, described light balancing device can be condenser lens, light integrating rod, collimating lens.
4. according to the hand slit lamp system in claim 1,2,3 described in any one, it is characterized in that, described light source is preferably semiconductor lighting devices LED.
5. hand slit lamp system according to claim 1, is characterized in that, can also be provided with switching device, and described switching device can be arranged in described hand-held outer case mechanism.
6. hand slit lamp system according to claim 5, is characterized in that, preferably described switching device can be arranged on the afterbody of described hand-held outer case mechanism, is then connected on the outer end of the cavity of described hand-held outer case mechanism.
7. hand slit lamp system according to claim 1, it is characterized in that, also be provided with magnifier, all or part ofly can also be provided with magnifier rotating shaft A, magnifier cursor, magnifier rotating shaft B, magnifier lock-screw, magnifier clamp ring, and be linked in sequence, described magnifier is direct or pass through described magnifier rotating shaft A, magnifier cursor, magnifier rotating shaft B, magnifier lock-screw, the all or part of of magnifier clamp ring is movably connected in described hand-held outer case mechanism, the optical axis of described magnifier and the optical axis of described amasthenic lens can be adjusted to acute angle, intersection point is positioned at the outside of described amasthenic lens.
8. hand slit lamp system according to claim 7, is characterized in that, formed by the optical axis of described magnifier and the optical axis of described amasthenic lens, acute angle and intersection point can regulate continuously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110089501.8A CN102727176B (en) | 2011-04-11 | 2011-04-11 | System and method of handhold slit lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110089501.8A CN102727176B (en) | 2011-04-11 | 2011-04-11 | System and method of handhold slit lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102727176A CN102727176A (en) | 2012-10-17 |
| CN102727176B true CN102727176B (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110089501.8A Active CN102727176B (en) | 2011-04-11 | 2011-04-11 | System and method of handhold slit lamp |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106175662A (en) * | 2016-07-12 | 2016-12-07 | 首都医科大学附属北京同仁医院 | A kind of portable slit lamp imaging device |
| CN106859589B (en) * | 2017-02-23 | 2019-04-09 | 何伟 | A kind of cataract screening portable digital slit-lamp |
| DE102017214790A1 (en) * | 2017-08-24 | 2019-02-28 | Carl Zeiss Meditec Ag | Device for the motorized adjustment of the magnification levels of a magnification changer |
| CN108744293B (en) * | 2018-05-29 | 2019-06-04 | 清华大学深圳研究生院 | A kind of Digital Optical device for image conversion corneal cross-linking |
| CN112274106A (en) * | 2020-06-23 | 2021-01-29 | 重庆康华瑞明科技股份有限公司 | Electric retracting mechanism and electric adjusting mechanism of xerophthalmia inspection device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AUPQ762500A0 (en) * | 2000-05-19 | 2000-06-15 | Lions Eye Institute Limited | Portable slit lamp |
| CN2788738Y (en) * | 2004-10-13 | 2006-06-21 | 陈文光 | Slit-lamp microscope illuminating device |
| DE102006053580A1 (en) * | 2006-03-10 | 2007-09-13 | Carl Zeiss Meditec Ag | System for the treatment or diagnosis of the eye |
| CN201414790Y (en) * | 2009-04-24 | 2010-03-03 | 陈平怀 | Slit-lamp microscope adopting LED light source |
| CN101627898B (en) * | 2009-07-21 | 2011-10-05 | 苏州工业园区康捷医疗器械有限公司 | Multiple facula slit lamp microscope |
| CN201492406U (en) * | 2009-07-21 | 2010-06-02 | 苏州工业园区康捷医疗器械有限公司 | Hand-held slit lamp microscope |
| CN201500105U (en) * | 2009-09-07 | 2010-06-09 | 中山大学中山眼科中心 | Portable slit detection device |
| CN201526829U (en) * | 2009-10-24 | 2010-07-14 | 杰森医疗设备(上海)有限公司 | Shadowless lamp |
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2011
- 2011-04-11 CN CN201110089501.8A patent/CN102727176B/en active Active
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| Publication number | Publication date |
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| CN102727176A (en) | 2012-10-17 |
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