CN105596143B - A kind of femtosecond laser cataract emulsifies treatment system - Google Patents

A kind of femtosecond laser cataract emulsifies treatment system Download PDF

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Publication number
CN105596143B
CN105596143B CN201610092343.4A CN201610092343A CN105596143B CN 105596143 B CN105596143 B CN 105596143B CN 201610092343 A CN201610092343 A CN 201610092343A CN 105596143 B CN105596143 B CN 105596143B
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China
Prior art keywords
emulsification
femtosecond laser
instrument
emulsification instrument
treatment system
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CN201610092343.4A
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CN105596143A (en
Inventor
彭文革
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Shanghai Tingyimei Technology Co., Ltd.
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Beijing Medical Technology Co Ltd
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    • 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
    • A61F2009/00885Methods or devices for eye surgery using laser for treating a particular disease
    • A61F2009/00887Cataract
    • A61F2009/00889Capsulotomy

Abstract

The invention provides a kind of femtosecond laser cataract to emulsify treatment system, including emulsification instrument, the front end of emulsification instrument is provided with the syringe needle that can be contacted with cataract patient lens nucleus, emulsification instrument is internally provided with the two passes that can lead to outside emulsification instrument, respectively negative pressure channel and filling inhales passage, one end that wherein negative pressure channel leads to outside emulsification instrument is connected with the negative pressure unit that can produce absorption lens nucleus pressure, and filling suction passage leads to one end outside emulsification instrument and is connected with the filling suction unit that can suction out lens nucleus after emulsification;The rear end of emulsification instrument is connected with the femtosecond laser generator that can produce femtosecond laser, and femtosecond laser generator, negative pressure unit, filling inhale unit and be respectively connected with computer control unit.The system uses full femtosecond laser capsulorhexis, not only requires relatively low to operation doctors experience, and it can realize being accurately positioned for capsulorhexis by computer control.

Description

A kind of femtosecond laser cataract emulsifies treatment system
Technical field
The present invention relates to the technical field of Medical Devices and apparatus, is related to the equipment and apparatus of ocular surgery, has more Say, the present invention relates to a kind of femtosecond laser cataract to emulsify treatment system body.
Background technology
Ophthalmology disease Investigation of incidence tissue (EDPRG) investigation in 2004 shows that there is 20,500,000 people trouble in the U.S. in 2000 There is cataract, it is contemplated that suffered to the people of the year two thousand twenty 30000000 or cataract will be suffered from.Estimate according to hygiene department of China, 2005 The cataract operation amount in China is about 510,000.
For the treatment of cataract patient, use at present more for cataract phacoemulsification, this kind operation is outside a seed capsules Enucleation formula.Basic skills is to do the small otch of a 3mm in corneoscleral junction, stretches into after ultrasonic disintegrator crushes crystal nuclear and pumps out Come, ultrasonic emulsification joint intraocular lens implantation is the treatment more effective treatment means of cataract.Cataract ultrasonic emulsification skill Art is to make cataract stone historrhexis using the collective effect of mechanical acceleration, sound miniflow and cavitation caused by ultrasonic vibration, It is emulsified, and the operation method absorbed by negative pressure.But existing ultrasonic emulsification instrument has the following disadvantages:(1) ultrasonic emulsification The adjoint ophthalmic solution vibrations of art cause endothelial cell damage;(2) the adjoint temperature of ultrasonic emulsification, which improves, influences intraocular group Knit, the super milk powder millstone top of tradition is the wedge angle of 30-40 degree, easily causes Poster capsulorhexis during operation;(3) tradition it is super it is newborn operate not Convenient, doctor's learning time grow, and needs have wide experience during operation.
In addition, current also have the shortcomings that nanosecond laser phacoemulsification, this kind is performed the operation to be:(1) nanosecond laser is receives burnt level, weight Complex frequency is low compared with femtosecond laser, and operating rate is slow;(2) nanosecond laser energy is big, penetrates readily through crystal, and excess energy is directly beaten Onto retina, retina cell is influenceed;(3) nanosecond laser operating rate is slow, and emulsifying power is low, during fragmentation nucleus, be not easy will it is white in Crystal nuclear is smaller uniformly smashes for barrier, and optical fiber and handle inwall gap are small in handle, during fragmentation nucleus sucking-off, easily has turbulent flow, craft Capsulorhexis needs longer clinical experience.
And a kind of femtosecond laser cataract operation therapeutic system is disclosed in the A of Chinese invention patent CN 104042403, should Device include optical coherence tomography system, data handling system, laser source system, laser energy detecting system, Laser scanning system, flatten mirror;Described laser source system is provided with femto-second laser;Laser source system is examined with laser energy Between examining system, between laser energy detecting system and laser scanning system, laser scanning system and optical coherence tomography Between imaging system, connected respectively by beam delivery system.Although it can be improved in white by using femtosecond laser in the patent Hinder the quality and security of operation, but it can not realize accurate capsulorhexis in capsulorhexis, error is larger.
The content of the invention
In order to solve the above problems, the invention provides a kind of femtosecond laser cataract to emulsify treatment system, and the system is adopted With full femtosecond laser capsulorhexis, relatively low not only is required to operation doctors experience, and it can realize the accurate of capsulorhexis by computer control Positioning.
To achieve these goals, the invention provides a kind of femtosecond laser cataract to emulsify treatment system, including emulsification Instrument, the front end of emulsification instrument are provided with the syringe needle that can be contacted with cataract patient lens nucleus, and emulsification instrument, which is internally provided with, to lead to Two passes outside emulsification instrument, respectively negative pressure channel and fill inhale passage, wherein negative pressure channel lead to outside emulsification instrument one End is connected with the negative pressure unit that can produce absorption lens nucleus pressure, and one end that filling suction passage leads to outside emulsification instrument is connected with can Unit is inhaled in the filling that lens nucleus after emulsification is suctioned out;The rear end of emulsification instrument is connected with the femtosecond laser generation that can produce femtosecond laser Device, femtosecond laser generator, negative pressure unit, filling inhale unit and are respectively connected with computer control unit.
As the further optimization of the present invention, the femtosecond laser issuing side of optical generator is connected with and can couple femtosecond laser Coupler, optical gate switch is provided between coupler and emulsification instrument.
As the further optimization of the present invention, the front end inside emulsification instrument is tiltedly installed with splitter, splitter rear portion The first lens, rotatable wedge-shaped mirrors and moveable second lens are disposed with emulsification instrument.
As the further optimization of the present invention, the external rings of wedge-shaped mirrors are provided with the runing rest that wedge-shaped mirrors can be driven to rotate, Sleeve is provided between runing rest and emulsification instrument inwall.
As the further optimization of the present invention, the outsides of the second lens is provided with movable magnet ring, magnet ring with emulsification instrument Electromagnetism sleeve pipe that can be attracting with magnet ring is provided between wall.
As the further optimization of the present invention, splitter is glass material.
As the further optimization of the present invention, the front end of emulsification instrument is provided with the irrigation sleeve that can install syringe needle.
As the further optimization of the present invention, the front end of irrigation sleeve is ellipse.
As the further optimization of the present invention, the rear end of emulsification instrument is provided with the fibre-optical splice that can be connected with optical gate switch.
As the further optimization of the present invention, the back-end sealing of emulsification instrument is provided with gland.
Advantage of the invention is that:
(1) femtosecond laser cataract emulsifies treatment system in the invention, and capsulorhexis, crystal nuclear breast are carried out using femtosecond laser Change, improve surgical operating efficiency, safer, more accurate modus operandi is provided for cataract patient;
(2) femtosecond laser cataract of the invention emulsification treatment system, at laser spot, highdensity low energy femtosecond swashs Luminous energy rapidly smashes cataract crystal stone, is suctioned out by negative pressure system;
(3) femtosecond laser cataract of the invention emulsification treatment system, using ultrashort pulse, low-energy laser, was both crushed Cataract crystal stone, and be not in high temperature in adiabatic process, protect corneal tissue and retina cell;
(4) femtosecond laser cataract of the invention emulsification treatment system, it is controlled by computer, can realize the accurate of capsulorhexis Positioning.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are this hairs Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram that femtosecond laser cataract emulsifies treatment system in the present invention;
Fig. 2 is the cross sectional view of emulsification instrument in Fig. 1;
Fig. 3 is the three-dimensional cutaway view of emulsification instrument in Fig. 1;
Fig. 4 is the stereogram of emulsification instrument front end in Fig. 3.
【Reference】
1st, emulsification instrument;11st, splitter;12nd, irrigation sleeve;13rd, handle case;14th, the first lens;15th, sleeve;16th, wedge-shaped mirrors; 161st, runing rest;17th, the second lens;171st, magnet ring;18th, fibre-optical splice;19th, gland;2nd, syringe needle;3rd, speculum;4th, fill and inhale Unit;41st, perfusion bottle;5th, negative pressure unit;6th, femtosecond laser generator;7th, coupler;8th, optical gate switch;9th, bat-handle switch;91、 Floor push;10th, computer control unit.
Embodiment
Below, the present invention is specifically described by exemplary embodiment.It should be appreciated, however, that do not entering one In the case of step narration, element, structure and features in an embodiment can also be advantageously incorporated into other embodiment In.
Referring to Fig. 1, Fig. 1 is the schematic diagram that femtosecond laser cataract emulsifies treatment system in the present invention.As shown in figure 1, this The femtosecond laser cataract emulsification treatment system of invention, including emulsification instrument 1, the front end of emulsification instrument 1 are provided with and can suffered from cataract The syringe needle 2 of person's lens nucleus contact, emulsification instrument 1 are internally provided with the two passes that can lead to outside emulsification instrument 1, respectively negative pressure Passage is inhaled in passage and filling, and one end that wherein negative pressure channel leads to outside emulsification instrument, which is connected with, can produce absorption lens nucleus pressure Negative pressure unit 5, filling suction passage lead to one end outside emulsification instrument and are connected with the filling suction unit that can suction out lens nucleus after emulsification 4, the one end for filling suction unit 4 is connected with perfusion bottle 41;The rear end of emulsification instrument 1 is connected with the femtosecond laser hair that can produce femtosecond laser Raw device 6, femtosecond laser generator 6, negative pressure unit 5, filling inhale unit 4 and are respectively connected with computer control unit 10, computer control unit 10 by controlling femtosecond laser generator 6 to can control the generation of femtosecond laser;By the hair for controlling 5 controllable pressing pressure of negative pressure unit Go out;The work inhaled the controllable filling of unit 4 and inhale unit is filled by controlling.
In addition, the front end of above-mentioned syringe needle is provided with speculum 3.
With continued reference to Fig. 1, the femtosecond laser issuing side of above-mentioned femtosecond laser generator 6 is connected with and can couple femtosecond laser Coupler 7, optical gate switch 8 is provided between coupler 7 and emulsification instrument 1.
Referring to Fig. 2-Fig. 4, for the schematic diagram of emulsification instrument in Fig. 1.As shown in figs 2-4, the front end inside above-mentioned emulsification instrument 1 Splitter 11 is tiltedly installed with, the splitter 11 is that splitter 11 is glass material;It will can be emulsified by the effect of splitter 11 Lens fragments afterwards are directed to filling and inhale passage;The first lens 14 are disposed with the emulsification instrument at the rear portion of splitter 11, can be revolved The wedge-shaped mirrors 16 and moveable second lens 17 turned.
With continued reference to Fig. 2, the external rings of above-mentioned wedge-shaped mirrors 16 are provided with the runing rest 161 that wedge-shaped mirrors can be driven to rotate, rotation Turn to be provided with sleeve 15 between support 161 and emulsification instrument inwall.
In addition, the outside of above-mentioned second lens 17 is provided with movable magnet ring 171, between magnet ring 171 and emulsification instrument inwall It is provided with electromagnetism sleeve pipe that can be attracting with magnet ring.
Referring to Fig. 3 and Fig. 4, the front end of emulsification instrument 1 is provided with the irrigation sleeve 12 that can install syringe needle 2, before irrigation sleeve 12 Hold as ellipse.
In addition, the rear end of above-mentioned emulsification instrument 1 is provided with the fibre-optical splice 18 that can be connected with optical gate switch.After emulsification instrument 1 End sealed set has gland 19, so ensures that the sealing inside emulsification instrument.
The bat-handle switch 9 and floor push 91 of controllable emulsification instrument work are also set up in the system of the present invention, wherein two Individual switch is separate, and operates either switch, can realize the control work of emulsification instrument.
In order to further illustrate the present invention, making for treatment system is emulsified below in conjunction with femtosecond laser cataract in the present invention Illustrated with process:
Femtosecond laser generator starts under the control of computer control unit, produces femtosecond laser, when femtosecond laser enters After emulsification instrument, by adjusting the front and back position of the second lens, then femtosecond laser passes through the wedge mirror of rotation by the second lens With the first lens, further to the speculum of needle tip, so as to reach patient's lens surface;Pass through computer control unit Negative pressure unit is controlled to produce negative pressure, by negative-pressure adsorption crystal nuclear, Femtosecond-Laser Pulse Excitation crushes after cataractous lenses core, breaks Broken lens nucleus changes its course via splitter, inhales passage sucking-off by filling;The rotating speed speed of wedge mirror rotation is 300 turns/S, is flown When second laser is acted on above patient's lens nucleus each time, it is the dot of 5 μm of diameter, is rotated by wedge mirror, so as to be formed Many a diameter of 0.5mm circular incision.
When broken crystal nuclear is excessive in art, when blocking syringe needle, computer control unit detects that the negative pressure in negative pressure unit improves, And then control the second lens inside emulsification instrument to be moved forward and backward in 2mm stride, change focal position of laser, hot spot is formed Circle diameter magnitude range between 0.1-2mm, can reach the purpose of quick fragmentation nucleus.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than is limited;Although with reference to foregoing reality Example is applied the present invention is described in detail, for the person of ordinary skill of the art, still can be to foregoing implementation Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic;And these are changed or replaced Change, the essence of appropriate technical solution is departed from the spirit and scope of claimed technical solution of the invention.

Claims (9)

1. a kind of femtosecond laser cataract emulsifies treatment system, it is characterised in that including emulsification instrument (1), the front end of emulsification instrument (1) The syringe needle (2) that can be contacted with cataract patient lens nucleus is provided with, emulsification instrument (1), which is internally provided with, can lead to emulsification instrument (1) Outside two passes, respectively negative pressure channel and filling inhale passage, and wherein negative pressure channel leads to the connection of one end outside emulsification instrument The negative pressure unit (5) of absorption lens nucleus pressure can be produced by having, and filled one end that suction passage leads to outside emulsification instrument and be connected with and can incite somebody to action Unit (4) is inhaled in the filling that lens nucleus suctions out after emulsification;The rear end of emulsification instrument (1) is connected with the femtosecond laser that can produce femtosecond laser Generator (6), femtosecond laser generator (6), negative pressure unit (5), filling inhale unit (4) and are respectively connected with computer control unit (10);
The internal front end of emulsification instrument (1) is tiltedly installed with splitter (11), is set gradually in the emulsification instrument at splitter (11) rear portion There are the first lens (14), rotatable wedge-shaped mirrors (16) and moveable second lens (17),
Wherein, splitter (11) is used to the lens fragments after emulsification being directed to filling suction passage.
2. femtosecond laser cataract emulsification treatment system according to claim 1, it is characterised in that femtosecond laser generator (6) femtosecond laser issuing side is connected with the coupler (7) that can couple femtosecond laser, between coupler (7) and emulsification instrument (1) It is provided with optical gate switch (8).
3. femtosecond laser cataract emulsification treatment system according to claim 1, it is characterised in that the outside of wedge-shaped mirrors (16) The runing rest (161) that wedge-shaped mirrors can be driven to rotate is equipped with, sleeve is provided between runing rest (161) and emulsification instrument inwall (15)。
4. femtosecond laser cataract emulsification treatment system according to claim 1, it is characterised in that outside the second lens (17) Portion is provided with movable magnet ring (171), be provided between magnet ring (171) and emulsification instrument inwall can be attracting with magnet ring electromagnetic sleeve Pipe.
5. femtosecond laser cataract emulsification treatment system according to claim 1, it is characterised in that splitter (11) is glass Material.
6. femtosecond laser cataract emulsification treatment system according to claim 1, it is characterised in that the front end of emulsification instrument (1) The irrigation sleeve (12) of syringe needle (2) can be installed by being provided with.
7. femtosecond laser cataract emulsification treatment system according to claim 6, it is characterised in that the front end of irrigation sleeve (12) For ellipse.
8. femtosecond laser cataract emulsification treatment system according to claim 2, it is characterised in that the rear end of emulsification instrument (1) It is provided with the fibre-optical splice (18) that can be connected with optical gate switch.
9. femtosecond laser cataract emulsification treatment system according to claim 1, it is characterised in that the rear end of emulsification instrument (1) Sealed set has gland (19).
CN201610092343.4A 2016-02-19 2016-02-19 A kind of femtosecond laser cataract emulsifies treatment system Active CN105596143B (en)

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Publication number Priority date Publication date Assignee Title
CN107374818B (en) * 2017-09-08 2023-06-23 中国医科大学附属第一医院 Cataract capsulorhexis perfusion forceps
CN108743019B (en) * 2018-06-20 2020-05-12 太原爱尔眼科医院有限公司 Femtosecond laser cataract emulsification treatment device

Citations (6)

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Publication number Priority date Publication date Assignee Title
CN1951346A (en) * 2006-08-30 2007-04-25 周克俭 Cataract cutter
CN102824246A (en) * 2011-06-15 2012-12-19 史文勇 Intelligent laser emulsification cataract system using laser
CN103536390A (en) * 2005-01-10 2014-01-29 光学医疗公司 Method and apparatus for patterned plasma-mediated laser trephination of the lens capsule and three dimensional phaco-segmentation
CN103648449A (en) * 2011-06-27 2014-03-19 威孚莱有限公司 Apparatus and method for eye surgery
CN104042403A (en) * 2014-04-25 2014-09-17 周辉 Femtosecond laser cataract surgery treatment device
CN205515169U (en) * 2016-02-19 2016-08-31 彭文革 Femto second laser cataract emulsification treatment system

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JP5956883B2 (en) * 2012-09-13 2016-07-27 株式会社トプコン Laser therapy device

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Publication number Priority date Publication date Assignee Title
CN103536390A (en) * 2005-01-10 2014-01-29 光学医疗公司 Method and apparatus for patterned plasma-mediated laser trephination of the lens capsule and three dimensional phaco-segmentation
CN1951346A (en) * 2006-08-30 2007-04-25 周克俭 Cataract cutter
CN102824246A (en) * 2011-06-15 2012-12-19 史文勇 Intelligent laser emulsification cataract system using laser
CN103648449A (en) * 2011-06-27 2014-03-19 威孚莱有限公司 Apparatus and method for eye surgery
CN104042403A (en) * 2014-04-25 2014-09-17 周辉 Femtosecond laser cataract surgery treatment device
CN205515169U (en) * 2016-02-19 2016-08-31 彭文革 Femto second laser cataract emulsification treatment system

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