CN106420160A - Femtosecond laser device for cataract surgery - Google Patents

Femtosecond laser device for cataract surgery Download PDF

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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
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CN
China
Prior art keywords
laser
beam
femtosecond laser
femtosecond
scanning
Prior art date
Application number
CN201610885616.0A
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Chinese (zh)
Inventor
范立成
张来峰
刘思奇
沈超逸
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苏州大学
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Filing date
Publication date
Application filed by 苏州大学 filed Critical 苏州大学
Priority to CN201610885616.0A priority Critical patent/CN106420160A/en
Publication of CN106420160A publication Critical patent/CN106420160A/en

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F9/00Methods 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
    • A61F9/007Methods or devices for eye surgery
    • A61F9/008Methods or devices for eye surgery using laser
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F9/00Methods 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
    • A61F9/007Methods or devices for eye surgery
    • A61F9/008Methods or devices for eye surgery using laser
    • A61F2009/00885Methods or devices for eye surgery using laser for treating a particular disease
    • A61F2009/00887Cataract
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F9/00Methods 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
    • A61F9/007Methods or devices for eye surgery
    • A61F9/008Methods or devices for eye surgery using laser
    • A61F2009/00897Scanning mechanisms or algorithms

Abstract

The invention discloses a femtosecond laser device for a cataract surgery. The femtosecond laser device for the cataract surgery 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 which sequentially transmit a short-wavelength coherent laser beam; the femtosecond laser scanning system comprises a femtosecond laser, a diaphragm, laser shutter equipment, laser energy regulating equipment, a first reflector, a second reflector, a beam-expanding collimator and a laser three-dimensional translational scanning platform which sequentially transmit a femtosecond laser beam; one of the output beams of the scanning lens and the laser three-dimensional translational scanning platform is transmitted by a dichroscope and then focused onto an experimental subject, and the other is reflected by the dichroscope and then focused onto the experimental subject. The femtosecond laser device for the cataract surgery integrates a femtosecond laser generator, the optical coherence tomography system, the laser three-dimensional translational scanning platform and the fixing mechanism, so that a system is comprehensive in function and the whole system is relatively low in cost.

Description

A kind of femtosecond laser cataract operation device

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.
CN201610885616.0A 2016-10-11 2016-10-11 Femtosecond laser device for cataract surgery CN106420160A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
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 self-adaption optical OCT retinal imaging instrument
CN206499577U (en) * 2016-10-11 2017-09-19 苏州大学 A kind of femtosecond laser cataract operation device

Patent Citations (6)

* Cited by examiner, † Cited by third party
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 self-adaption optical OCT retinal imaging instrument
CN206499577U (en) * 2016-10-11 2017-09-19 苏州大学 A kind of femtosecond laser cataract operation device

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