CN208541703U - Laser generator and ophthalmic medical equipment for ophthalmic medical equipment - Google Patents
Laser generator and ophthalmic medical equipment for ophthalmic medical equipment Download PDFInfo
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- CN208541703U CN208541703U CN201820198214.8U CN201820198214U CN208541703U CN 208541703 U CN208541703 U CN 208541703U CN 201820198214 U CN201820198214 U CN 201820198214U CN 208541703 U CN208541703 U CN 208541703U
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- laser
- medical equipment
- ophthalmic medical
- laser generator
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Abstract
A kind of laser generator for ophthalmic medical equipment provided by the utility model, its laser beam that specific wavelength can occur, and the light intensity of the laser emitted by photodetector sensing by laser generator, and the light intensity for the laser that semiconductor laser diode is emitted is adjusted by control unit and is adjusted in due course, to be adapted to wavelength range laser and light intensity required for ophthalmic medical, guarantee the effect and safety for the treatment of.
Description
Technical field
The utility model relates to the technical field of medical equipment for treating the eye illnesses such as myopia, amblyopia, and in particular to a kind of
The laser generator of specific wavelength laser beam can be emitted, therapeutic instrument for shortsightedness can be set to, in amblyopia therapeutic equipment, emit 650-
680nm wavelength laser beam treatment eye illness.
Background technique
Numerous studies confirm, outdoor activities time more crowd's myopia, amblyopia rate the.Outdoor activities to myopia,
The inhibiting effect of amblyopia pupil under the SPECTRAL DIVERSITY, more distance vision states, strong light of outdoor stronger light, natural light and artificial light source
Depth of field increase is shunk in hole and more manual labors are related.
According to existing research knowledge, at least it is known that, the stimulation for applying the light of certain wavelength to eyes is pair
The near-sighted amblyopia for the treatment of and prevention has the effect of positive.And the intensity wave-length coverage of light is to be focused on to consider when treatment two
A factor.Specifically, the wave-length coverage of natural light is very wide in range, and the wavelength model of therapeutic effect can be played to myopia, amblyopia
It encloses and is confined in the wave-length coverage of 650-680nm.Therefore just need a kind of special laser generator that special wave can occur
Long laser.Simultaneously because the fragility of eye structure, it is desirable to its laser beam generated when using this laser generator
Light intensity will in the reasonable scope, and the too strong injury to eyeball of light intensity is placed in energy examinations adjustment.In conjunction with setting for the above two o'clock
It is standby to need enough miniaturizations, make it possible among the scene applied to quality of medical care.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of laser generator for ophthalmic medical equipment,
The purpose is to provide a kind of laser generator that specific wavelength can occur, the light of laser generator generation can be voluntarily detected
It adjusts by force and in due course, to be adapted to wavelength range laser and light intensity required for ophthalmic medical, guarantees the effect and safety for the treatment of.
A kind of laser generator for ophthalmic medical equipment comprising,
Laser generator unit, for emitting the laser beam of specific wavelength；
Control circuit unit, for controlling the working condition of laser generator unit；
Detection unit, for detect the intensity for the laser that laser generator unit is emitted and compared with preset value after, will
Detection information feeds back to control circuit unit；
And
Lens.
Preferably, the laser generator unit be semiconductor laser diode, can launch wavelength be 650-
The laser of 680nm.
Preferably, the collimation lens on the lens to be while for plane be convex surface.
A kind of laser generator for ophthalmic medical equipment comprising,
Cavity is accommodated, the accommodating inside cavity is provided with spectroscope, is provided on the side wall of the accommodating cavity
The access passed through for light；
One end of the accommodating cavity is provided with laser diode, and the other end is provided with lens；
The rear end of the accommodating cavity is provided with circuit board；
And photodetector its light that can receive to be projected by access is connect with circuit board, and to circuit board feedback letter
Number.
Preferably, the laser diode is semiconductor laser diode, can launch wavelength be 650-680nm
Laser.
Preferably, the accommodating cavity is metal sleeve, and the access is being set to of opening up on metal sleeve
Through-hole below spectroscope, the laser by spectroscope beam splitting can be irradiated in the photodetection by the through-hole
On device.
One kind being used for ophthalmic medical equipment, using the above-mentioned laser generator for ophthalmic medical equipment.
The utility model obtain beneficial effect be, provide one kind can launch wavelength within the scope of 650-680nm
The laser generator of wavelength, can be effectively prevented and treated in the wave-length coverage myopia and amblyopia disease, disease preventing and treating into
One step is serious.The power for capableing of Real-time Feedback light intensity by the way that photodetector unit is arranged, and voltage electricity is adjusted by control unit
Stream prevents injury of the excessively high light intensity to eyes to control laser diode light intensity.The utility model smart structural design, passes through
Spectroscopical pair of light is split, so that the light occurred by laser diode no more than 5% is by being arranged in metallic sheath
The through-hole of cylinder is irradiated on the photodetector, realizes the examinations to light intensity.The laser diode described simultaneously with
Control circuit connection, the control circuit can adjust Current Voltage to control the luminous power of laser diode and control light
By force, while the photodetector, automatic control can will be realized to control circuit by feedback electric signal after perception light intensity
And adjustment.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described.
Attached drawing 1 is a kind of laser generator for ophthalmic medical equipment provided by the utility model；
Attached drawing 2 is the circuit diagram for controlling the control unit of the utility model laser generator.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.
The present embodiment as shown in Figure 1, a kind of laser generator for ophthalmic medical equipment, shown in ophthalmic medical equipment
It is using light filling principle, the light irradiation eyes that are generated using equipment are to treat the Medical Devices of eye illness, such as therapeutic instrument for shortsightedness, weak
Depending on therapeutic equipment etc..Laser generator shown in specifically, includes at least an accommodating cavity, and the structure of the accommodating cavity can be with
It is tubular in the present embodiment for a metal sleeve 1, the both ends of the metal sleeve 1 are provided with hierarchic structure as solid
Component is determined, for fixing semiconductor laser diode 2 and collimation lens 3.Metal sleeve 1 is internally provided with spectroscope
(Beam splitter) 11, the spectroscope 11 can swash what is emitted by the semiconductor laser diode 2
Light beam splitter is at several beams, and segment beam (being no more than 5%) will be penetrated by the through-hole 4 opened up on the metal sleeve 1
Out outside the metal sleeve 1.The light beam of injection is set to the photodetector 5 of 1 lower section of metal sleeve by being irradiated in
On.The photodetector 5, can perceive the light intensity of light beam, and is converted into electric signal and feeds back to and photodetector 5
In the control circuit board 6 electrically connected with semiconductor laser diode 2.By control circuit board 6 to the adjustment of electric current, voltage so that
The light intensity of the laser emitted by semiconductor laser diode 2 is in appropriate range.The laser beam of laser transmitter projects passes through
Become the laser beam collimated after crossing the effect after metal sleeve 1 using collimation lens 3.
The above description of embodiment disclosed in the utility model makes professional and technical personnel in the field can be realized or use
The utility model.Various modifications to these embodiments will be readily apparent to those skilled in the art, this
General Principle defined in text can without departing from the spirit or scope of the present utility model, in other embodiments
It realizes.Therefore, the present invention will not be limited to the embodiments shown herein, and be to fit to it is disclosed herein
Principle and the consistent widest scope of features of novelty.
Claims (9)
1. a kind of laser generator for ophthalmic medical equipment, which is characterized in that it includes,
Laser generator unit, for emitting the laser beam of specific wavelength；
Control circuit unit, for controlling the working condition of laser generator unit；
Detection unit, for detect the intensity for the laser that laser generator unit is emitted and compared with preset value after, will test
Information feeds back to control circuit unit；
And
Lens.
2. a kind of laser generator for ophthalmic medical equipment according to claim 1, which is characterized in that described swashs
Optical generator unit be semiconductor laser diode, can launch wavelength be 650-680nm laser.
3. a kind of laser generator for ophthalmic medical equipment according to claim 1 or 2, which is characterized in that institute
The lens stated are while for plane be convex surface collimation lens.
4. a kind of laser generator for ophthalmic medical equipment according to claim 3, which is characterized in that the standard
The convex surface of straight lens is aspherical, effective focal length 8mm, and material is one kind of plastic optics material PMMA, COC, ADC.
5. a kind of laser generator for ophthalmic medical equipment, which is characterized in that it includes,
Cavity is accommodated, the accommodating inside cavity is provided with spectroscope, is provided on the side wall of the accommodating cavity for light
The access that line passes through；
One end of the accommodating cavity is provided with laser diode, and the other end is provided with lens；
The rear end of the accommodating cavity is provided with circuit board；
And photodetector its light that can receive to be projected by access is connect with circuit board, and to circuit board feedback signal.
6. a kind of laser generator for ophthalmic medical equipment according to claim 5, which is characterized in that described swashs
Optical diode is semiconductor laser diode, can launch wavelength be 650-680nm laser.
7. a kind of laser generator for ophthalmic medical equipment according to claim 5 or 6, which is characterized in that institute
The accommodating cavity stated is metal sleeve, and the access is the through-hole being set to below spectroscope opened up on metal sleeve,
The laser by spectroscope beam splitting can be irradiated on the photodetector by the through-hole.
8. a kind of laser generator for ophthalmic medical equipment according to claim 7, which is characterized in that point
The reflectivity of light microscopic is 5%.
9. one kind is used for ophthalmic medical equipment, sent out using any laser for ophthalmic medical equipment of claim 1 to 8
Raw device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820198214.8U CN208541703U (en) | 2018-02-05 | 2018-02-05 | Laser generator and ophthalmic medical equipment for ophthalmic medical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820198214.8U CN208541703U (en) | 2018-02-05 | 2018-02-05 | Laser generator and ophthalmic medical equipment for ophthalmic medical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208541703U true CN208541703U (en) | 2019-02-26 |
Family
ID=65417165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820198214.8U Active CN208541703U (en) | 2018-02-05 | 2018-02-05 | Laser generator and ophthalmic medical equipment for ophthalmic medical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208541703U (en) |
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2018
- 2018-02-05 CN CN201820198214.8U patent/CN208541703U/en active Active
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