CN106420160A - Femtosecond laser cataract surgery device - Google Patents
Femtosecond laser cataract surgery device Download PDFInfo
- Publication number
- CN106420160A CN106420160A CN201610885616.0A CN201610885616A CN106420160A CN 106420160 A CN106420160 A CN 106420160A CN 201610885616 A CN201610885616 A CN 201610885616A CN 106420160 A CN106420160 A CN 106420160A
- Authority
- CN
- China
- Prior art keywords
- laser
- femtosecond laser
- femtosecond
- scanning
- experimental subject
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 208000002177 Cataract Diseases 0.000 title claims abstract description 37
- 238000001356 surgical procedure Methods 0.000 title abstract description 5
- 238000013519 translation Methods 0.000 claims abstract description 28
- 230000001427 coherent effect Effects 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000003325 tomography Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000002474 experimental method Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000012014 optical coherence tomography Methods 0.000 abstract description 18
- 230000000694 effects Effects 0.000 description 11
- 238000011160 research Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 210000001508 eye Anatomy 0.000 description 4
- 210000004087 cornea Anatomy 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 210000005252 bulbus oculi Anatomy 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001575 pathological effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 208000032370 Secondary transmission Diseases 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005459 micromachining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006303 photolysis reaction Methods 0.000 description 1
- 230000015843 photosynthesis, light reaction Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/008—Methods or devices for eye surgery using laser
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/008—Methods or devices for eye surgery using laser
- A61F2009/00885—Methods or devices for eye surgery using laser for treating a particular disease
- A61F2009/00887—Cataract
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/008—Methods or devices for eye surgery using laser
- A61F2009/00897—Scanning mechanisms or algorithms
Landscapes
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Optics & Photonics (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Physics & Mathematics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Laser Beam Processing (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Laser Surgery Devices (AREA)
Abstract
The invention discloses a femtosecond laser cataract surgery device, which comprises a fixing mechanism, an optical coherence tomography system and a femtosecond laser scanning system, wherein the optical coherence tomography system comprises OCT light source equipment, a collimator, a galvanometer and a scanning lens, wherein the OCT light source equipment, the collimator, the galvanometer and the scanning lens are used for sequentially transmitting short-wavelength coherent laser beams; the laser scanning system comprises a femtosecond laser, a diaphragm, a laser shutter device, a laser energy adjusting device, a first reflecting mirror, a second reflecting mirror, a beam expanding collimator and a laser three-dimensional translation scanning platform which are used for sequentially transmitting femtosecond laser beams, wherein one of output beams of a scanning lens and output beams of the laser three-dimensional translation scanning platform is transmitted by a dichroic mirror and then focused on an experimental object, and the other output beam is reflected by the dichroic mirror and then focused on the experimental object. The invention integrates the femtosecond laser generator, the optical coherence tomography system, the laser three-dimensional translational scanning platform and the fixing mechanism into a whole, the system function is complete, and the cost of the whole system is relatively low.
Description
Technical field
The present invention relates to medical field, and in particular to a kind of femtosecond laser cataract operation device.
Background technology
Laser results from the sixties in 20th century, with which, laser has the advantages that high directivity, brightness height, monochromaticity are good and excellent
Gesture, is developed rapidly in the field such as industry, agricultural, medical science, national defence and scientific research.To the nineties, a kind of new surpasses
Short ultrafast laser-femtosecond laser starts to occur and is applied to every field.Its pulse width has been compressed to femtosecond magnitude, and 1 flies
Second is equal to the thousand part per trillion seconds (1 × 10-1 5 seconds), and so fast pulse laser makes which in industry, the micro Process such as medical science field
The advantages such as higher peak power density, minimum, the accurate ablation threshold in processing heat affected area are embodied, has caused which to obtain
More quickly develop.
In high precision, high-quality, the femtosecond laser parallel micromachining system of high stability become femtosecond laser application and development
Study hotspot.
In recent years, femtosecond laser technology is introduced into medical-ophthalmologic field, and its application principle is the pulse width extremely short using which
Degree, less optical pulse energy is obtained with high peak power and with extremely strong focusing power, can be at biological group
Accurate cutting is completed in knitting.Femtosecond laser be applied in cornea refractive surgery for the first time be as a kind of microkeratome,
In keratomileusises, [LASIK] makes cornea flap.Its accurate cutting accuracy, higher repetition cutting accuracy and steady
The qualitative accreditation for having obtained area of ophthalmic surgery, subsequent femtosecond laser has been introduced in auxiliary cataract operation.The forward pass that compares
The cataract operation of system is carried out by hand by doctor, the effect of operation depending on the level that is skilled in technique of doctor, operative failure and
Produce sequela risk to be difficult to overcome.And femtosecond laser technology causes cataract with advantages such as its higher precision and stabilities
Operation has obtained a more preferable surgical effect.Therefore femtosecond laser auxiliary cataract operation with continuous development in recent years and
Progressive, gradually recognized by ophthalmologist and society and approve.
First femtosecond laser auxiliary excusing from death photolysis equipment comes from the Alcon Universal Ltd. in the U.S. in the world
The Alcon LenSx fs-laser system of research and development manufacture.Up to the present, four international corporations are had in the world in research and life
Produce femtosecond laser auxiliary cataract operation system and equipment.The femtosecond laser auxiliary cataract operation that domestic various big hospital occurs
Robot device both from foreign countries, surgical apparatuses, consumptive material and surgery cost costliness, a lot of patients because economical the reason for must not
This more advanced and safe modus operandi is not abandoned.And the country is many in research femtosecond to the applied research of femtosecond laser technology
Cut transparent material, metal material, the aspect such as ceramic material, to cornea, the cutting of the biological tissue such as anterior lens capsule
The research of mechanism is little.Therefore the development of oneself research and development manufacture femtosecond laser cataract operation system domestic is also just hindered.
For the femtosecond laser micro-system designed by the current domestic applied research to femtosecond laser technology, which is built
The motor control of light path system, first light beam is the motion that moves to realize relative beam using control workpiece, this kind of light path
System is not suitable for femtosecond laser auxiliary cataract operation experiment, in addition, only having CCD camera to realize real-time detection and sight in system
Examine, lack tomoscan and pathologic finding of the realization of OCT (optical coherence tomography) system to ocular tissue,
The carrying out of direct experiment is unable to, this micro-system is sufficiently complete for the experimentation of cataract operation, and is not suitable for investing tool
Body application.
Content of the invention
For solving above-mentioned technical problem, the goal of the invention of the present invention is to provide a kind of femtosecond laser cataract operation dress
Put, scene of the achievable Real Time Observation when related experiment or operation is done, and the tomoscan to ocular tissue can be realized,
Obtain the structural information of ocular tissue, the function such as guiding operation designing cutting action.
For achieving the above object, the present invention provides following technical scheme：A kind of femtosecond laser cataract operation dress
Put, including fixed mechanism, Optic coherence tomography system and femtosecond laser scanning system, it is right that the fixed mechanism fixes experiment
As the Optic coherence tomography system focuses on short wavelength's coherent laser beam on experimental subject, and the femtosecond laser is swept
Retouch system to focus on femtosecond laser beam on experimental subject, it is characterised in that：The Optic coherence tomography system include according to
The OCT light source equipment of secondary transmission short wavelength's coherent laser beam, collimator, galvanometer and scanning lenses；The laser scanning system
System include successively the transmission femto-second laser of femtosecond laser beam, diaphragm, laser shutter equipment, laser energy adjustment equipment, the
One reflecting mirror, the second reflecting mirror, beam-expanding collimation device and laser three-D translation scanning platform, wherein, the scanning lenses defeated
Go out in the output beam of light beam and the laser three-D translation scanning platform, a wherein output beam passes through a dichroic mirror transmission
After focus on the experimental subject, another output beam focuses on the experimental subject after the dichroic mirror reflects
On, the controller of the OCT light source equipment, the controller of the laser shutter equipment and the laser energy adjustment equipment
Controller is connected with control system communication respectively.
In a kind of embodiment, the output beam of the scanning lenses is focused on described after the dichroic mirror transmission
On experimental subject, the output beam of the laser three-D translation scanning platform focuses on described after the dichroic mirror reflects
On experimental subject.
In a kind of embodiment, the output beam of the laser three-D translation scanning platform is by the dichroic mirror transmission
After focus on the experimental subject, the output beam of the scanning lenses focuses on described after the dichroic mirror reflects
On experimental subject.
In a kind of embodiment, the femtosecond laser cataract operation device also includes CCD camera, and the CCD camera connects
Receive the visible ray for being reflected by experimental subject, Real Time Observation experimental subject.
In a kind of embodiment, the luminous ray of the CCD camera is by the galvanometer and the Optic coherence tomography
System shares the scanning lenses.
In a kind of embodiment, the femtosecond laser cataract operation device also includes illuminating lamp, the light of the illuminating lamp
Line is incident upon on the experimental subject.
In a kind of embodiment, the fixed mechanism adopts negative-pressure suction ring.
In a kind of embodiment, the laser energy adjustment equipment includes a laser Glan prism and drives the laser lattice
The rotating mechanism of blue prism rotation, the controller of the rotating mechanism constitutes the controller of the laser energy adjustment equipment.
In a kind of embodiment, the OCT light source equipment exports first short wavelength's coherent laser beam, first shortwave
Long coherence laser beam is input in the galvanometer after the collimating device collimation, position of the galvanometer to light beam in the horizontal plane
Second short wavelength's coherent laser beam is exported after being adjusted, and the second short wavelength coherent laser beam is through the scanning lenses
The 3rd short wavelength's coherent laser beam is exported after focusing, and the femtosecond laser scanning device exports the first femtosecond laser beam, described
First femtosecond laser beam is successively through the diaphragm adjustable shape, through laser shutter equipment control break-make and through described sharp
Light energy adjustment equipment is input in first reflecting mirror after adjusting energy, and first reflecting mirror is defeated after reflecting to light beam
Go out the second femtosecond laser beam, second femtosecond laser beam is input in second reflecting mirror, second reflecting mirror pair
Light beam exports the 3rd femtosecond laser beam after being reflected, and the 3rd femtosecond laser beam is after beam-expanding collimation device beam-expanding collimation
It is input into the laser three-D translation scanning platform, position of the laser three-D translation scanning platform to light beam in three dimensions
The 4th femtosecond laser beam, the 3rd short wavelength's coherent laser beam and the 4th femtosecond is exported after being adjusted and focusing on
In laser beam, a wherein output beam is focused on the experimental subject after the dichroic mirror transmission, another output
Light beam is focused on the experimental subject after the dichroic mirror reflects.
In a kind of embodiment, the collimator, the galvanometer, the scanning lenses, second reflecting mirror, the expansion
Beam collimator, the laser three-D translation scanning platform are installed on a vertical lifting platform.
As technique scheme is used, the present invention has following advantages compared with prior art：The present invention is built
Femtosecond laser cataract operation device, has gathered femtosecond laser generator, Optic coherence tomography system (OCT system), CCD phase
Machine, laser three-D translation scanning platform, fixed mechanism and illuminating lamp etc. are in one, perfect function, and whole system cost
Relatively low.CCD camera high speed, high resolution, can pass through figure of the Real time vision when related experiment or operation is done
Picture, OCT system can realize the tomoscan to ocular tissue, obtain the structural information of ocular tissue, guiding operation designing otch etc.
Function.It is focused and realizes by femtosecond laser being carried out reflecting the three-dimensional translating platform of the introducing designed, designed such as beam-expanding collimation
The motion of control light beam, is suffered from eyeball and is relatively fixed by a negative-pressure suction ring absorption, and carry illuminator, entirely micro-
System of processing is fully functional.This micro-system is due to the integrity of function and stable, may be directly applied to ophthalmology correlation handss
The experiment of art.
Description of the drawings
Fig. 1 is the axonometric chart of femtosecond laser cataract operation device disclosed by the invention；
Fig. 2 is the front view of femtosecond laser cataract operation device disclosed by the invention；
Fig. 3 is the Laser Transmission schematic diagram of femtosecond laser cataract operation device disclosed by the invention.
Wherein, 10, fixed mechanism；21st, OCT light source equipment；22nd, collimator；23rd, galvanometer；24th, scanning lenses；31st, femtosecond
Laser instrument；32nd, diaphragm；33rd, laser shutter equipment；331st, controller；34th, laser energy adjustment equipment；35th, the first reflecting mirror；
36th, the second reflecting mirror；37th, beam-expanding collimation device；38th, laser three-D translation scanning platform；381st, condenser lenses；40th, dichroic mirror；
50th, PC；60th, CCD camera；70th, illuminating lamp；80th, vertical lifting platform.
Specific embodiment
With reference to the accompanying drawings and examples, the specific embodiment of the present invention is described in further detail.Hereinafter implement
Example is for illustrating the present invention, but is not limited to the scope of the present invention.
Referring to Fig. 1 to Fig. 3, as shown in legend therein, a kind of femtosecond laser cataract operation device, including fixed mechanism
10th, Optic coherence tomography system and femtosecond laser scanning system, fixed mechanism 10 fixes experimental subject, and light coherence tomography is swept
Retouch system to focus on short wavelength's coherent laser beam on experimental subject, femtosecond laser beam is focused on by femtosecond laser scanning system
On experimental subject, Optic coherence tomography system include to transmit successively short wavelength's coherent laser beam OCT light source equipment 21,
Collimator 22, galvanometer 23 and scanning lenses 24；Laser scanning system includes the femtosecond laser for transmitting femtosecond laser beam successively
Device 31, diaphragm 32, laser shutter equipment 33, laser energy adjustment equipment 34, the first reflecting mirror 35, the second reflecting mirror 36, expand
Collimator 37 and laser three-D translation scanning platform 38, wherein, the output beam of scanning lenses 24 is saturating by dichroic mirror 40
Focus on after penetrating on experimental subject, the output beam of laser three-D translation scanning platform 38 is focused on after the reflection of dichroic mirror 40
On experimental subject, the controller of OCT light source equipment 21, the controller 331 of laser shutter equipment 33 and laser energy are adjusted
The controller of equipment 34 is connected with the communication of a PC 50 respectively.
OCT light source equipment 21 exports first short wavelength's coherent laser beam, and first short wavelength's coherent laser beam is collimated
Device 22 is input in galvanometer 23 after collimating, and position of the galvanometer 23 to light beam in the horizontal plane exports the second shortwave appearance after being adjusted
Dry laser beam, the scanned lens 24 of second short wavelength's coherent laser beam export the 3rd short wavelength's coherent laser light after focusing on
Bundle, femtosecond laser scanning device 31 export the first femtosecond laser beam, the first femtosecond laser beam successively through 32 adjustable shape of diaphragm,
Control break-make through laser shutter equipment 33 and adjust through laser energy adjustment equipment 34 and be input in the first reflecting mirror 35 after energy,
First reflecting mirror 35 exports the second femtosecond laser beam to light beam after reflecting, the second femtosecond laser beam input second is reflected
In mirror 36, the second reflecting mirror 36 exports the 3rd femtosecond laser beam after reflecting to light beam, and the 3rd femtosecond laser beam is through expanding
Input laser three-D translation scanning platform 38 after 37 beam-expanding collimation of beam collimator, laser three-D translation scanning platform 38 exists to light beam
Position in three dimensions exports the 4th femtosecond laser beam after being adjusted and focusing on, and the 3rd short wavelength's coherent laser beam leads to
Focus on experimental subject after crossing 40 transmission of dichroic mirror, the 4th femtosecond laser beam is focused on after the reflection of dichroic mirror 40
On experimental subject.
First short wavelength's coherent laser beam, the first femtosecond laser beam and the 3rd femtosecond laser beam are parallel two-by-two,
Second femtosecond laser beam is mutually perpendicular to intersect with the first femtosecond laser beam and the 3rd femtosecond laser beam respectively, the 3rd shortwave
The projecting beam of long coherence laser beam is parallel with the reflected beams of the 4th femtosecond laser beam or overlaps.
Fixed mechanism 10 adopts negative-pressure suction ring.
The Main Function of Optic coherence tomography system mainly carries out preoperative planning or to testing material to patient's eye
Expect the inspection before being tested, by the tomoscan to eyes or material, the structural information of tissue can be obtained, can eye
The pathologic structure information of tissue, convenient auxiliary carries out the navigation in pre-operative surgical planning and art.
OCT light source equipment 21 is used for sending short wavelength's coherent laser beam.OCT light source equipment 21 is controlled by PC 10.
The effect of collimator 22 is that light beam is collimated.
The effect of galvanometer 23 is that the position to light beam planar is adjusted.
The effect of scanning lenses 24 is to focus on laser..
Femtosecond laser scanning system is will to carry out test on femtosecond laser direct experiment object to obtain operation.
Femtosecond laser generator 31 is used for exporting femtosecond laser.
The effect of diaphragm 32 is to filter non-round part in light beam, obtains preferable circular light spot, so that light beam
Hot spot being uniformly distributed in radial direction after focusing, it is ensured that focal beam spot quality.
The effect of laser shutter equipment 33 is control laser break-make in the course of the work, the running of laser shutter equipment 33
Controlled by a laser shutter controller, laser shutter controller is controlled by PC 50.
The effect of laser energy adjustment equipment 34 is can be adjusted for different needs and control laser output
Energy, is made up of the rotating mechanism of a laser Glan prism and a control laser Glan prism anglec of rotation, rotating mechanism
Controlled by PC 50.
First reflecting mirror 35 and the second reflecting mirror 36 change the transmission direction of laser.
The effect of beam-expanding collimation device 37 is that laser beam can be expanded, and increases the diameter of laser beam, and to laser beam
Collimated, reduced the angle of divergence of laser beam, improved the focusing quality of laser.
Laser three-D translation scanning platform 38 is disclosed laser translation scanning mirror, and which has condenser lenses 381,
Effect is the spacescan that can achieve 25 × 25 × 25mm small range, and the work space for meeting cataract operation and related experiment will
Ask.The effect of three-dimensional laser translation scanning platform is that laser is focused, and can realize focused spot and transport in the XYZ space
Dynamic, the motor control of laser three-D translation scanning platform 38 is controlled by PC 50.
Dichroic mirror 40 can be fully reflective to 1030nm laser, wholly transmissive to below 950nm laser, through reflection
Laser focuses on patient's eye or experiment material used by the fixed mechanism 10- negative-pressure suction ring of a fixing eyeball
Material.
In a kind of embodiment, femtosecond laser cataract operation device also includes CCD camera 60, CCD camera 60 receive by
The visible ray reflected by experimental subject, Real Time Observation experimental subject.The luminous ray of CCD camera 60 is concerned with light by galvanometer 23
Tomographic system shares scanning lenses 24.
60 Main Function of CCD camera can realize the real-time detection to experimentation, and CCD phase 60 is overlapped on light coherence tomography
Above scanning system.
In a kind of embodiment, femtosecond laser cataract operation device also includes illuminating lamp 70, and the light of illuminating lamp 70 is thrown
Penetrate on experimental subject.Illuminating lamp 70 can improve the brightness of visual field, facilitate CCD camera 60 to be observed.
In a kind of embodiment, collimator 22, galvanometer 23, scanning lenses 24, the second reflecting mirror 36, beam-expanding collimation device 37,
Laser three-D translation scanning platform 38 is installed on a vertical lifting platform 80, can be carried out vertical direction to whole platform and be adjusted
Whole.Whole system reasonable structural arrangement, overall structure stability is good, perfect function.
In a kind of embodiment, the output beam of laser three-D translation scanning platform is focused on after dichroic mirror transmission
On experimental subject, the output beam of scanning lenses is focused on experimental subject after being reflected by dichroic mirror.
It is more than the description to the embodiment of the present invention, by the foregoing description of the disclosed embodiments, makes this area special
Industry technical staff can realize or use the present invention.Multiple modifications to these embodiments come to those skilled in the art
Say and will be apparent, generic principles defined herein can be in the situation without departing from the spirit or scope of the present invention
Under, realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein, and is intended to symbol
Close the most wide scope consistent with principles disclosed herein and features of novelty.
Claims (10)
1. a kind of femtosecond laser cataract operation device, including fixed mechanism, Optic coherence tomography system and femtosecond laser
Scanning system, the fixed mechanism fixes experimental subject, and the Optic coherence tomography system is by short wavelength's coherent laser beam
Focus on experimental subject, the femtosecond laser scanning system focuses on femtosecond laser beam on experimental subject, and its feature exists
In：The Optic coherence tomography system include to transmit successively the OCT light source equipment of short wavelength's coherent laser beam, collimator,
Galvanometer and scanning lenses；The laser scanning system includes to transmit successively the femto-second laser of femtosecond laser beam, diaphragm, swashs
Optical shutter equipment, laser energy adjustment equipment, the first reflecting mirror, the second reflecting mirror, beam-expanding collimation device and laser three-D translation
Scanning platform, wherein, in the output beam of the output beam of the scanning lenses and the laser three-D translation scanning platform, its
In an output beam focused on the experimental subject after a dichroic mirror transmission, another output beam by described two to
Focus on the experimental subject after Look mirror reflection, the controller of the OCT light source equipment, the control of the laser shutter equipment
The controller of device and the laser energy adjustment equipment is connected with control system communication respectively.
2. femtosecond laser cataract operation device according to claim 1, it is characterised in that the output of the scanning lenses
Light beam is focused on the experimental subject after the dichroic mirror transmission, the output of the laser three-D translation scanning platform
Light beam is focused on the experimental subject after the dichroic mirror reflects.
3. femtosecond laser cataract operation device according to claim 1, it is characterised in that the laser three-D translation is swept
The output beam for retouching platform is focused on the experimental subject after the dichroic mirror transmission, the output of the scanning lenses
Light beam is focused on the experimental subject after the dichroic mirror reflects.
4. femtosecond laser cataract operation device according to claim 1, it is characterised in that the femtosecond laser cataract
Operation device also includes CCD camera, and the CCD camera receives the visible ray for being reflected by experimental subject, and Real Time Observation experiment is right
As.
5. femtosecond laser cataract operation device according to claim 4, it is characterised in that the CCD camera visible
Light shares the scanning lenses by the galvanometer with the Optic coherence tomography system.
6. femtosecond laser cataract operation device according to claim 1, it is characterised in that the femtosecond laser cataract
Operation device also includes illuminating lamp, and the light of the illuminating lamp is incident upon on the experimental subject.
7. according to the arbitrary described femtosecond laser cataract operation device of claim 1 to 6, it is characterised in that the fixing machine
Structure adopts negative-pressure suction ring.
8. according to the arbitrary described femtosecond laser cataract operation device of claim 1 to 6, it is characterised in that the laser energy
Amount adjustment equipment includes a laser Glan prism and drives the rotating mechanism of the laser Glan prism rotation, the rotating mechanism
Controller constitute the controller of the laser energy adjustment equipment.
9. according to the arbitrary described femtosecond laser cataract operation device of claim 1 to 6, it is characterised in that the OCT light source
Equipment exports first short wavelength's coherent laser beam, and the first short wavelength coherent laser beam is defeated after the collimating device collimation
Enter in the galvanometer, position of the galvanometer to light beam in the horizontal plane exports second short wavelength's coherent laser light after being adjusted
Bundle, the second short wavelength coherent laser beam exports the 3rd short wavelength's coherent laser beam after focusing on through the scanning lenses,
The femtosecond laser scanning device exports the first femtosecond laser beam, and first femtosecond laser beam is adjusted through the diaphragm successively
Shape, adjust through laser shutter equipment control break-make and through the laser energy adjustment equipment and after energy, be input into described the
In one reflecting mirror, first reflecting mirror exports the second femtosecond laser beam to light beam after reflecting, and second femtosecond swashs
Light light beam is input in second reflecting mirror, and second reflecting mirror exports the 3rd femtosecond laser light after reflecting to light beam
Bundle, the 3rd femtosecond laser beam is input into the laser three-D translation scanning platform, institute after beam-expanding collimation device beam-expanding collimation
State the 4th femtosecond of output after position of the laser three-D translation scanning platform to light beam in three dimensions is adjusted and focuses on to swash
Light light beam, in the 3rd short wavelength's coherent laser beam and the 4th femtosecond laser beam, wherein an output beam passes through
Focus on after the dichroic mirror transmission on the experimental subject, another output beam is focused on after the dichroic mirror reflects
On the experimental subject.
10. the femtosecond laser cataract operation device according to claim 1 to 6, it is characterised in that the collimator, institute
State galvanometer, the scanning lenses, second reflecting mirror, the beam-expanding collimation device, the laser three-D translation scanning platform equal
On a vertical lifting platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610885616.0A CN106420160A (en) | 2016-10-11 | 2016-10-11 | Femtosecond laser cataract surgery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610885616.0A CN106420160A (en) | 2016-10-11 | 2016-10-11 | Femtosecond laser cataract surgery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106420160A true CN106420160A (en) | 2017-02-22 |
Family
ID=58173243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610885616.0A Pending CN106420160A (en) | 2016-10-11 | 2016-10-11 | Femtosecond laser cataract surgery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106420160A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111297554A (en) * | 2019-12-25 | 2020-06-19 | 季华实验室 | Image-guided femtosecond laser cataract surgery system |
| CN111772921A (en) * | 2020-08-11 | 2020-10-16 | 曹志君 | Multi-functional stripping pliers for ophthalmologic cataract operation |
| CN112823736A (en) * | 2019-11-20 | 2021-05-21 | 北京理工大学 | Optical coherence tomography system based on mechanical arm auxiliary positioning |
| CN113146031A (en) * | 2021-04-19 | 2021-07-23 | 武汉理工大学 | Scanning microscopic ultrafast laser processing system based on dynamic field of view concatenation |
| CN113974965A (en) * | 2021-12-28 | 2022-01-28 | 广东麦特维逊医学研究发展有限公司 | Laser capsulorhexis device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102647964A (en) * | 2009-11-16 | 2012-08-22 | 爱尔康手术激光股份有限公司 | Variable stage optical system for ophthalmic surgical laser |
| CN103025283A (en) * | 2010-06-24 | 2013-04-03 | 爱尔康手术激光股份有限公司 | Method to guide a cataract procedure by corneal imaging |
| CN103494640A (en) * | 2013-10-15 | 2014-01-08 | 刘昆 | Laser system for surgical department |
| CN104042403A (en) * | 2014-04-25 | 2014-09-17 | 周辉 | Femtosecond laser cataract surgery treatment device |
| CN105105707A (en) * | 2015-09-15 | 2015-12-02 | 中国科学院光电技术研究所 | Common-path interference adaptive optical OCT retina imager |
| CN206499577U (en) * | 2016-10-11 | 2017-09-19 | 苏州大学 | Femtosecond laser cataract surgery device |
-
2016
- 2016-10-11 CN CN201610885616.0A patent/CN106420160A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102647964A (en) * | 2009-11-16 | 2012-08-22 | 爱尔康手术激光股份有限公司 | Variable stage optical system for ophthalmic surgical laser |
| CN103025283A (en) * | 2010-06-24 | 2013-04-03 | 爱尔康手术激光股份有限公司 | Method to guide a cataract procedure by corneal imaging |
| CN103494640A (en) * | 2013-10-15 | 2014-01-08 | 刘昆 | Laser system for surgical department |
| CN104042403A (en) * | 2014-04-25 | 2014-09-17 | 周辉 | Femtosecond laser cataract surgery treatment device |
| CN105105707A (en) * | 2015-09-15 | 2015-12-02 | 中国科学院光电技术研究所 | Common-path interference adaptive optical OCT retina imager |
| CN206499577U (en) * | 2016-10-11 | 2017-09-19 | 苏州大学 | Femtosecond laser cataract surgery device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112823736A (en) * | 2019-11-20 | 2021-05-21 | 北京理工大学 | Optical coherence tomography system based on mechanical arm auxiliary positioning |
| CN111297554A (en) * | 2019-12-25 | 2020-06-19 | 季华实验室 | Image-guided femtosecond laser cataract surgery system |
| CN111297554B (en) * | 2019-12-25 | 2024-05-17 | 季华实验室 | Image-guided femtosecond laser cataract surgery system |
| CN111772921A (en) * | 2020-08-11 | 2020-10-16 | 曹志君 | Multi-functional stripping pliers for ophthalmologic cataract operation |
| CN113146031A (en) * | 2021-04-19 | 2021-07-23 | 武汉理工大学 | Scanning microscopic ultrafast laser processing system based on dynamic field of view concatenation |
| CN113974965A (en) * | 2021-12-28 | 2022-01-28 | 广东麦特维逊医学研究发展有限公司 | Laser capsulorhexis device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106420160A (en) | Femtosecond laser cataract surgery device | |
| US6315773B1 (en) | Eye movement sensing system | |
| CA1245297A (en) | Method and apparatus for removing cataractous lens tissue by laser radiation | |
| US11471328B2 (en) | Full depth laser ophthalmic surgical system, methods of calibrating the surgical system and treatment methods using the same | |
| JP5933508B2 (en) | Apparatus for creating eye surgery and a detonation incision | |
| JP5919709B2 (en) | Ophthalmic laser surgery device | |
| JP3165144B2 (en) | Binocular indirect mirror laser treatment system | |
| EP0293126A1 (en) | Photocoagulation apparatus | |
| CN206499577U (en) | Femtosecond laser cataract surgery device | |
| CN105530853A (en) | In situ determination of refractive index of materials | |
| CN104039284A (en) | Ophthalmological laser method and apparatus | |
| US4397310A (en) | Anastigmatic high magnification, wide-angle binocular indirect attachment for laser photocoagulator | |
| JP2003339641A (en) | Zooming mechanism to be used for eye tracking system, system and method for sensing eye movement, and method for adjusting intervals between a plurality of optical spots sent toward eye in eye movement sensor | |
| US20150265463A1 (en) | Ophthalmic device for treating tissue in the anterior of an eye | |
| JPS6075056A (en) | Ophthalimic microscopic operation apparatus and method | |
| WO1987005794A1 (en) | Laser surgery system | |
| JP2003210514A (en) | Ophthalmic operating equipment | |
| JPH0370497B2 (en) | ||
| JP2003199782A (en) | Cornea operation device | |
| CN116133623A (en) | Visualization and treatment of medium turbidity in the eye | |
| US10470931B2 (en) | Ophthalmic laser treatment apparatus | |
| JP2015037474A (en) | Ophthalmic laser surgery device | |
| JP2013078398A (en) | Laser operation apparatus for ophthalmology | |
| US10820798B2 (en) | Non-coherent light delivery system and method | |
| CN2055027U (en) | Daylight indicated laser scalpel with coincided double focus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |