CN113539007A

CN113539007A - Phacoemulsification cataract suction training device for cataract teaching

Info

Publication number: CN113539007A
Application number: CN202111045556.9A
Authority: CN
Inventors: 李崇义; 刘莛; 熊艳丽; 黄州; 陈其芳; 郑鸿
Original assignee: Chinese Peoples Liberation Army Army Specialized Medical Center
Current assignee: Chinese Peoples Liberation Army Army Specialized Medical Center
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2021-10-22

Abstract

The invention relates to the technical field of medical teaching equipment, and particularly discloses an ultrasonic emulsification cataract extraction trainer for cataract teaching, which comprises a movable support, a clamping mechanism and a controller which are arranged on the support, a simulated eyeball clamped in the clamping mechanism, and a liquid processing mechanism, wherein the liquid processing mechanism comprises a first filtering component, a second filtering component and a collecting hopper for communicating the first filtering component with the second filtering component, and the first filtering component is used for primarily filtering liquid generated after ultrasonic emulsification. According to the invention, the liquid generated in the phacoemulsification process can be subjected to multistage filtration through the first filtering component and the second filtering component, so that the subsequent treatment of the liquid is facilitated, the subsequent treatment steps of the liquid are effectively simplified, the time is greatly saved, and the practicability of the trainer is improved.

Description

Phacoemulsification cataract suction training device for cataract teaching

Technical Field

The invention belongs to the technical field of medical teaching equipment, and particularly relates to a phacoemulsification cataract extraction trainer for cataract teaching.

Background

In the cataract teaching process, the eyeball is generally simulated and taught through the phacoemulsification trainer, so that students can know the operation steps and the principle of phacoemulsification, and the learning of the students is facilitated. However, in the use process of the phacoemulsification training machine for cataract teaching in the market at present, the problem that the multistage filtration treatment cannot be carried out on liquid generated in the phacoemulsification process exists, the subsequent treatment of the liquid is inconvenient due to the fact that the subsequent treatment is needed, the subsequent treatment steps of the liquid are increased, and the practicability of the training machine is affected.

Disclosure of Invention

The invention aims to provide a phacoemulsification cataract extraction trainer for cataract teaching, which aims to solve the problems that the liquid generated in the phacoemulsification process cannot be filtered in multiple stages and the subsequent treatment of the liquid is inconvenient in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a phacoemulsification cataract extraction trainer for cataract teaching comprises a movable support, a clamping mechanism and a controller which are arranged on the support, and a simulated eyeball clamped in the clamping mechanism, wherein the inside of the support is of a hollow structure, the phacoemulsification cataract extraction trainer further comprises a liquid processing mechanism, the liquid processing mechanism comprises a first filtering component, a second filtering component and a collecting hopper communicated with the first filtering component and the second filtering component, the second filtering component is arranged on the inner bottom wall of the support, the first filtering component is arranged on the top surface of the outer side of the support, the simulated eyeball is positioned above the first filtering component, the first filtering component is used for primarily filtering liquid generated after phacoemulsification, and the filtered liquid is discharged into the second filtering component through the collecting hopper; the second filtering component is used for filtering the liquid discharged from the collecting hopper again and discharging the liquid.

Preferably, fixture locates the shifting ring of solid fixed ring top and the elevating system that the drive shifting ring reciprocated including installing in solid fixed ring, the interval at support top, elevating system's bottom mounting sets up the one side at the support top surface, the one end slidable of shifting ring sets up on elevating system, the arc wall has been seted up to solid fixed ring's top surface, the through-hole has been seted up to the centre of shifting ring.

Preferably, the simulated eyeball comprises a human-simulated crystalline lens nucleus, a front lens-simulated capsule and a rear lens-simulated capsule which are wrapped on the upper side and the lower side of the human-simulated crystalline lens nucleus, and a simulated corneous ring is arranged in the through hole.

Preferably, first filtering component is including locating the inside filter disc of arc wall and seting up in the inside liquid hole that falls of solid fixed ring, the liquid hole that falls is fought intercommunication with arc wall and collection, the simulation eyeball is used for placing at the arc wall.

Preferably, the second filtering component is including installing in the inside rose box of support, be connected with the pipeline between the top of rose box and the bottom of collecting the fill, and the internally mounted of rose box has a plurality of filter screens, the inside bottom of rose box forms collects the chamber, and the side in the rose box outside installs the delivery pump, the end of intaking of delivery pump passes through the inside intercommunication of pipeline with the rose box, and the play water end of delivery pump is connected with the discharge pipe that extends to the support outside, the guide plate towards the discharge pipe slope is installed to the bottom of collecting the chamber.

Preferably, the lifting mechanism comprises a supporting plate arranged on one side of the top of the support, a mounting groove is formed in the supporting plate in a hollow manner, one side of the mounting groove extends to the outer side of the supporting plate, a rotatable screw rod is arranged in the mounting groove, a moving seat is sleeved on the screw rod in a threaded manner and can move on the screw rod along the axis direction of the screw rod, a linear sliding block is arranged on one side of the moving seat, one end face, away from the moving seat, of the linear sliding block is abutted and attached to the inner side wall of the mounting groove, one side of the moving seat extends to the outer side of the mounting groove and is connected with a moving ring, a linear sliding groove matched with the linear sliding block is formed in one side of the inner wall of the mounting groove, a first motor is arranged at the top end of the supporting plate, an output shaft of the first motor penetrates through the top end of the supporting plate and extends into the mounting groove to be connected with the top end of the screw rod, the screw rod is used for driving the screw rod to rotate.

Preferably, still include position control mechanism, position control mechanism is used for adjusting imitative area is consolidated the position of cornea, just position control mechanism includes that two symmetries are seted up in the removal chamber and the regulation pole of spiro union in removing the chamber of the inside both sides of shift ring, the cover is equipped with the movable block on the regulation pole, and the movable block with adjust pole threaded connection, one side of movable block is connected with imitative one end of taking the cornea of consolidating, the one end of adjusting the pole extends to the outside at shift ring top to install the hand wheel, the opposite side of movable block is fixed with the spacing piece, the inner wall one side of moving the chamber seted up with stopper assorted spacing groove, the one end that imitative area was consolidated the cornea is kept away from to the stopper can slide from top to bottom at the spacing inslot.

Preferably, the liquid treatment mechanism still includes the dispersion subassembly, the dispersion subassembly is located the top of the filter screen of rose box, just the dispersion subassembly includes movable mounting in the inside roller that changes of rose box and is fixed in the second motor of rose box lateral surface, the output shaft of second motor rotates the lateral wall that runs through the rose box and the tip fixed connection who changes the roller, is used for the drive it rotates to change the roller, change and install in a plurality of acanthus leaf on the roller, and a plurality of acanthus leaf are annular array and distribute on the circumference side of changeing the roller.

Preferably, a plurality of diversion trenches distributed equidistantly are formed in two sides of the blade plate, and the diversion trenches are obliquely arranged.

Preferably, liquid processing mechanism still includes coupling assembling, coupling assembling be used for with filter disc and solid fixed ring installation are fixed, just coupling assembling has seted up the spread groove including installing two connecting blocks and the connecting screw in filter disc both ends respectively at solid fixed ring's top, the connecting block sets up in the spread groove, connecting screw's tip passes connecting block threaded connection in the diapire of spread groove. Compared with the prior art, the invention has the beneficial effects that:

the invention can carry out multistage filtration on the liquid generated in the process of absorbing and removing the phacoemulsification cataract through the first filtering component and the second filtering component, thereby facilitating the subsequent treatment of the liquid, effectively simplifying the subsequent treatment steps of the liquid, greatly saving the time and being beneficial to improving the practicability of the trainer.

2 aiming at the first filtering component, the invention is provided with the connecting component, so that the rapid disassembly and assembly of the filtering disc can be realized, the cleaning or replacement efficiency of the filtering disc is effectively improved, and the normal use of the filtering disc can be ensured, so that the liquid generated after the ultrasonic emulsification can be conveniently filtered.

3 aiming at the second filtering component, the ultrasonic emulsification device is provided with the dispersing component, so that liquid generated after ultrasonic emulsification can be uniformly sprinkled on the filtering net, the liquid generated after ultrasonic emulsification is uniformly filtered, the filtering effect and efficiency of the liquid are effectively improved, and the subsequent treatment of the liquid generated after ultrasonic emulsification is further facilitated.

4 aiming at the dispersion assembly, the invention is provided with the inclined diversion trench, so that the liquid generated after ultrasonic emulsification can be quickly discharged from the blade plate, and the liquid generated after ultrasonic emulsification can be prevented from being accumulated on the blade plate, thereby facilitating the dispersion and filtration of the liquid generated after ultrasonic emulsification and further improving the filtration efficiency of the liquid.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic view of a second filter assembly according to the present invention;

FIG. 4 is a rear view of the filter box of the present invention;

FIG. 5 is a top view of a louver of the present invention;

FIG. 6 is a cross-sectional view of a vane of the present invention;

FIG. 7 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 8 is an enlarged view of the invention at B in FIG. 1;

FIG. 9 is an enlarged view of the invention at C of FIG. 1;

in the figure: 1-a scaffold; 2, a collecting hopper; 3-a second filter assembly; 31-a filter box; 32-a filter screen; 33-a collection chamber; 34-a baffle; 4-a delivery pump; 5-a discharge pipe; 6-fixing the ring; 7-a filter disc; 8-an arc-shaped groove; 9-simulated eyeball; 91-imitating the anterior capsule of the crystal; 92-human lens-like nucleus; 93-crystal-like posterior capsule; 10-imitation of corneas with scleral rings; 11-moving ring; 12-a position adjustment mechanism; 121-adjusting rod; 122-a hand wheel; 123-a limiting groove; 124-a moving cavity; 125-a stopper; 126-active block; 13-a lifting mechanism; 131-a support plate; 132-a first motor; 133-a screw rod; 134-linear chute; 135-a movable seat; 136-linear slide; 14-a controller; 15-a dispersing assembly; 151-rotating rollers; 152-a blade plate; 1521-guiding gutter; 153-a second motor; 16-a connecting assembly; 161-connecting block; 162-a connecting trough; 163-connecting screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides the following technical solutions: a phacoemulsification cataract extraction trainer for cataract teaching comprises a movable support 1, a clamping mechanism and a controller 14 which are arranged on the support 1, and a simulated eyeball 9 clamped in the clamping mechanism, wherein the support 1 is of a hollow structure, the phacoemulsification cataract extraction trainer also comprises a liquid processing mechanism, the liquid processing mechanism comprises a first filtering component, a second filtering component 3 and a collecting hopper 2 which is used for communicating the first filtering component with the second filtering component 3, the second filtering component 3 is arranged on the inner bottom wall of the support 1, the first filtering component is arranged on the top surface of the outer side of the support 1, the simulated eyeball 9 is positioned above the first filtering component, the first filtering component is used for primarily filtering liquid generated after phacoemulsification, and the filtered liquid is discharged into the second filtering component 3 through the collecting hopper 2; the second filter assembly 3 is used for filtering the liquid discharged from the collecting hopper 2 again and discharging the filtered liquid.

The fixture is including installing in the solid fixed ring 6 at 1 top of support, interval locate the shift ring 11 and the drive shift ring 11 elevating system 13 that reciprocates of solid fixed ring 6 top, elevating system 13's bottom mounting sets up in one side of 1 top surface of support, and the one end slidable of shift ring 11 sets up on elevating system 13, and arc wall 8 has been seted up to solid fixed ring 6's top surface, and the through-hole has been seted up to the centre of shift ring 11.

The simulated eyeball 9 comprises a human-simulated crystalline lens nucleus 92, a simulated crystalline anterior capsule 91 and a simulated crystalline posterior capsule 93 which are wrapped on the upper side and the lower side of the human-simulated crystalline lens nucleus 92, and a simulated corneous ring 10 is arranged in the through hole.

First filtering component is including locating the inside filter disc 7 of arc wall 8 and seting up in the liquid hole that falls of solid fixed ring 6 inside, and the liquid hole that falls is used for placing arc wall 8 and collection 2 intercommunications of fighting, simulation eyeball 9 at arc wall 8.

The second filtering component 3 comprises a filtering box 31 installed inside the support 1, a pipeline is connected between the top end of the filtering box 31 and the bottom end of the collecting hopper 2, a plurality of filtering nets 32 are installed inside the filtering box 31, a collecting cavity 33 is formed at the bottom inside the filtering box 31, a conveying pump 4 is installed on one side face outside the filtering box 31, the water inlet end of the conveying pump 4 is communicated with the inside of the filtering box 31 through the pipeline, the water outlet end of the conveying pump 4 is connected with a discharging pipe 5 extending to the outside of the support 1, and a guide plate 34 inclined towards the discharging pipe 5 is installed at the bottom of the collecting cavity 33.

The lifting mechanism 13 comprises a supporting plate 131 installed on one side of the top of the bracket 1, a mounting groove is hollowed inside the supporting plate 131, one side of the mounting groove extends to the outer side of the supporting plate 131, a rotatable screw rod 133 is installed in the mounting groove, a moving seat 135 is sleeved on the screw rod 133 in a threaded manner and can move on the screw rod 133 along the axial direction of the screw rod 133, a linear slider 136 is installed on one side of the moving seat 135, one end face, away from the moving seat 135, of the linear slider 136 abuts against and is attached to the inner side wall of the mounting groove, one side of the moving seat 135 extends to the outer side of the mounting groove and is connected with the moving ring 11, a linear sliding groove 134 matched with the linear slider 136 is formed on one side of the inner wall of the mounting groove, a first motor 132 is installed at the top end of the supporting plate 131, and an output shaft of the first motor 132 rotates to extend to the mounting groove through the top end of the supporting plate 131 and is connected with the top end of the screw rod 133, for driving the screw 133 to rotate.

Specifically, during training, a teacher can firstly put the front lens-imitating capsule 91 and the rear lens-imitating capsule 93 wrapped with the human lens-imitating nucleus 92 into the arc-shaped groove 8 in the fixing ring 6, then drive the moving ring 11 to descend through the lifting mechanism 13, that is, the controller 14 activates the first motor 132, so that the first motor 132 drives the screw rod 133 to rotate, then the movable base 135 moves along the screw 133 under the limit action of the linear sliding block 136 and the linear sliding groove 134, so as to drive the moving ring 11 to descend until the simulated corneae 10 with scleral ring inside the moving ring 11 is covered on the simulated eyeball 9, so as to clamp and fix the simulated eyeball 9, then the teaching teacher carries out ultrasonic emulsification cataract suction on the simulated eyeball 9 so as to carry out operation display on students, then the student can carry out phacoemulsification training according to the operation that teaching mr showed to this teaching that realizes phacoemulsification cataract extraction.

Liquid is generated in the process of ultrasonic emulsification cataract aspiration of the simulated eyeball 9, at the moment, the liquid is accumulated in the arc-shaped groove 8, then the liquid is primarily filtered through the filter disc 7 in the first filter assembly, after the filtration, the liquid flows into the collecting hopper 2 through the liquid dropping hole, then the collecting hopper 2 conveys the liquid to the second filter assembly 3, namely the liquid is conveyed into the filter tank 31, then the liquid is filtered again through the filter screen 32 in the filter tank 31, after the filtration, the liquid is accumulated in the collecting cavity 33 and then flows to the discharge pipe 35 under the action of the guide plate 34; when liquid need be discharged, teaching mr accessible controller 14 starts delivery pump 4 for delivery pump 4 takes the liquid in collecting chamber 33 out through the pipeline, and discharges through discharge pipe 5, with this multistage filtration that realizes liquid, the subsequent processing of the liquid of being convenient for, the effectual subsequent processing step of simplifying liquid, great saving the time helps improving the practicality of training ware.

As an implementation mode, the artificial cornea removal device further comprises a position adjusting mechanism 12, the position adjusting mechanism 12 is used for adjusting the position of the artificial cornea 10 with sclera, the position adjusting mechanism 12 comprises two moving cavities 124 symmetrically arranged on two sides inside the moving ring 11 and an adjusting rod 121 screwed in the moving cavities 124, a moving block 126 is sleeved on the adjusting rod 121 and is in threaded connection with the adjusting rod 121, one side of the moving block 126 is connected with one end of the artificial cornea 10 with sclera, one end of the adjusting rod 121 extends to the outside of the top of the moving ring 11 and is provided with a hand wheel 122, a limiting block 125 is fixed on the other side of the moving block 126, a limiting groove 123 matched with the limiting block 125 is arranged on one side of the inner wall of the moving cavity 124, and one end of the limiting block 125, which is far away from the artificial cornea 10 with sclera, can slide up and down in the limiting groove 123.

Concretely, when the removal ring 11 and solid fixed ring 6 will simulate eyeball 9 and carry out the clamping, the teacher of teaching can be according to the size of simulation eyeball 9, adjust the position of imitative area scleral ring cornea 10, rotate regulation pole 121 through hand wheel 122 promptly, make movable block 126 reciprocate in removal chamber 124 under the limiting displacement of stopper 125 and spacing groove 12, then movable block 126 drives imitative area scleral ring cornea 10 and removes in the inside through-hole of removal ring 11, with this position control of imitative area scleral ring cornea 10 of realization, so that the clamping of not equidimension simulation eyeball 9, and then be convenient for the teaching of not equidimension simulation eyeball 9, can realize the training of not equidimension simulation eyeball 9, help improving the teaching quality, reinforcing teaching effect.

As an implementation manner, the liquid processing mechanism further includes a dispersing assembly 15, the dispersing assembly 15 is located above the filter screen 32 in the filter box 31, and the dispersing assembly 15 includes a rotating roller 151 rotatably installed inside the filter box 31 and a second motor 153 fixed on the outer side surface of the filter box 31, an output shaft of the second motor 153 rotatably penetrates through the side wall of the filter box 31 to be fixedly connected with an end portion of the rotating roller 151, so as to drive the rotating roller 151 to rotate, the rotating roller 151 is installed on a plurality of blades 152, and the plurality of blades 152 are distributed on the circumferential side surface of the rotating roller 151 in an annular array.

Specifically, when the liquid generated after the ultrasonic emulsification is input into the filter box 31 for secondary filtration, the teacher can start the second motor 153 through the controller 14, so that the second motor 153 drives the rotary roller 151 to rotate, and then the rotary roller 151 drives the blade plate 1512 to rotate, so as to disperse the liquid generated after the ultrasonic emulsification, so that the liquid generated after the ultrasonic emulsification is uniformly scattered on the filter screen 32, the liquid generated after the ultrasonic emulsification can be uniformly filtered, and the filtering effect and efficiency of the liquid are effectively improved, so that the subsequent treatment of the liquid generated after the ultrasonic emulsification is facilitated;

in addition, in the present embodiment, for convenience of illustration, 8 louvers 152 are provided, but in practical application, the number of the louvers 152 is not limited to the number disclosed above, and the louvers may be specifically designed according to practical requirements.

As an implementation manner, both sides of the vane 152 are provided with a plurality of guiding grooves 1521 distributed equidistantly, and the guiding grooves 1521 are all disposed obliquely.

Specifically, when the liquid that produces after the blade 152 will ultrasonic emulsification disperses, the guiding gutter 1521 that the slope set up can carry out the water conservancy diversion with liquid for liquid that produces after the ultrasonic emulsification is arranged down on the blade 152 fast, can prevent that the liquid that produces after the ultrasonic emulsification from collecting on the blade 152, and the liquid that produces after the ultrasonic emulsification of being convenient for disperses and filters.

In addition, in the present embodiment, for convenience of illustration, 7 guide grooves 1521 are provided on both sides of the vane 152, but in practical application, the guide grooves 1521 are not limited to the number disclosed above, and may be specifically designed according to practical requirements.

As an implementation manner, the liquid processing mechanism further includes a connecting assembly 16, the connecting assembly 16 is used for mounting and fixing the filter disc 7 and the fixing ring 6, and the connecting assembly 16 includes two connecting blocks 161 and a connecting screw 163 respectively mounted at two ends of the filter disc 7, the top of the fixing ring 6 is opened with a connecting groove 162, the connecting block 161 is disposed in the connecting groove 162, and an end of the connecting screw 163 passes through the connecting block 161 and is screwed into a bottom wall of the connecting groove 162.

Specifically, when filter disc 7 needs to be cleaned or changed, the teacher can unscrew connecting screw 163 earlier, pull out filter disc 7 from arc wall 8 again, at this moment, connecting block 161 shifts out from spread groove 162, with this dismantlement of filter disc 7 is realized, then the teacher clears up or changes filter disc 7, after the clearance or change, the teacher puts filter disc 7 into arc wall 8 again, make connecting block 161 inject in spread groove 162, and screw 163 precession, fasten connecting block 161 and spread groove 162, with this installation that realizes filter disc 7, thereby realize quick assembly disassembly of filter disc 7, the effectual clearance or the change efficiency that improves filter disc 7, can ensure the normal use of filter disc 7, so that the liquid that produces after the ultrasonic emulsification filters.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a phacoemulsification cataract extraction training ware for cataract teaching, includes mobilizable support (1), locates fixture and controller (14) on support (1) and centre gripping simulation eyeball (9) in fixture, the inside of support (1) is hollow structure, its characterized in that: the ultrasonic emulsification device is characterized by further comprising a liquid treatment mechanism, wherein the liquid treatment mechanism comprises a first filter component, a second filter component (3) and a collection hopper (2) for communicating the first filter component with the second filter component (3), the second filter component (3) is arranged on the inner bottom wall of the support (1), the first filter component is arranged on the top surface of the outer side of the support (1), the simulated eyeball (9) is positioned above the first filter component, and the first filter component is used for primarily filtering liquid generated after ultrasonic emulsification and discharging the filtered liquid into the second filter component (3) through the collection hopper (2); the second filtering component (3) is used for filtering the liquid discharged from the collecting hopper (2) again and discharging the liquid.

2. The phacoemulsification cataract extraction training aid for cataract teaching according to claim 1, wherein: fixture locates shift ring (11) and the elevating system (13) that the drive shift ring (11) reciprocated of solid fixed ring (6) top including installing in solid fixed ring (6), the interval at support (1) top, the bottom mounting of elevating system (13) sets up in one side of support (1) top surface, the one end slidable of shift ring (11) sets up on elevating system (13), arc wall (8) have been seted up to the top surface of solid fixed ring (6), the through-hole has been seted up to the centre of shift ring (11).

3. The phacoemulsification cataract extraction training aid for cataract teaching as claimed in claim 2, wherein: the simulated eyeball (9) comprises a human-simulated crystalline lens nucleus (92), a front lens-simulated capsule (91) and a rear lens-simulated capsule (93) which are wrapped on the upper side and the lower side of the human-simulated crystalline lens nucleus (92), and a simulated corneous ring (10) is arranged in the through hole.

4. The phacoemulsification cataract extraction training aid for cataract teaching as claimed in claim 2, wherein: first filtering component is including locating inside filter disc (7) of arc wall (8) and seting up in the liquid hole that falls of solid fixed ring (6) inside, fall the liquid hole and fight (2) intercommunication with arc wall (8) and collection, simulation eyeball (9) are used for placing at arc wall 8.

5. The phacoemulsification cataract extraction training aid for cataract teaching according to claim 1, wherein: second filtering component (3) are including installing in the inside rose box (31) of support (1), be connected with the pipeline between the top of rose box (31) and the bottom of collecting fill (2), and the internally mounted of rose box (31) has a plurality of filter screens (32), the inside bottom of rose box (31) forms and collects chamber (33), and a side in the rose box (31) outside installs delivery pump (4), the end of intaking of delivery pump (4) passes through the inside intercommunication of pipeline and rose box (31), and the play water end of delivery pump (4) is connected with discharge pipe (5) that extend to support (1) outside, guide plate (34) towards discharge pipe (5) slope are installed to the bottom of collecting chamber (33).

6. The phacoemulsification cataract extraction training aid for cataract teaching as claimed in claim 2, wherein: the lifting mechanism (13) comprises a supporting plate (131) installed on one side of the top of the support (1), a mounting groove is formed in the hollow inside of the supporting plate (131), one side of the mounting groove extends to the outer side of the supporting plate (131), a rotatable lead screw (133) is installed in the mounting groove, a movable seat (135) is sleeved on the lead screw (133) in a threaded manner, the movable seat (135) can move on the lead screw (133) along the axis direction of the lead screw (133), a linear sliding block (136) is installed on one side of the movable seat (135), one end face, far away from the movable seat (135), of the linear sliding block (136) is abutted and attached to the inner side wall of the mounting groove, one side of the movable seat (135) extends to the outer side of the mounting groove and is connected with a movable ring (11), and a linear sliding groove (134) matched with the linear sliding block (136) is formed in one side of the inner wall of the mounting groove, first motor (132) are installed on the top of backup pad (131), and the output shaft of first motor (132) rotates and runs through the top of backup pad (131) and extend to in the mounting groove and be connected with the top of lead screw (133) for the drive lead screw (133) rotate.

7. The phacoemulsification cataract extraction training aid for cataract teaching according to claim 3, wherein: still include position control mechanism (12), position control mechanism (12) are used for adjusting the imitative position of taking the scleral ring cornea (10), just position control mechanism (12) include that two symmetries are seted up in removal chamber (124) and the regulation pole (121) of spiro union in removal chamber (124) of the inside both sides of shift ring (11), the cover is equipped with movable block (126) on adjusting pole (121), and movable block (126) and regulation pole (121) threaded connection, one side of movable block (126) is connected with the imitative one end of taking the scleral ring cornea (10), the one end of adjusting pole (121) extends to the outside at shift ring (11) top to install hand wheel (122), the opposite side of movable block (126) is fixed with stopper (125), inner wall one side of removing chamber (124) is seted up with stopper (125) assorted spacing groove (123), one end of the limiting block (125) far away from the artificial corneas (10) with the scleral ring can slide up and down in the limiting groove (123).

8. The phacoemulsification cataract extraction training aid for cataract teaching according to claim 5, wherein: liquid treatment mechanism still includes dispersion subassembly (15), dispersion subassembly (15) are located the top of filter screen (32) in rose box (31), just dispersion subassembly (15) are including rotating second motor (153) of installing in rose box (31) inside commentaries on classics roller (151) and being fixed in rose box (31) lateral surface, the output shaft of second motor (153) rotates and runs through the lateral wall of rose box (31) and the tip fixed connection who changes roller (151), is used for the drive change roller (151) and rotate, change and install in a plurality of acanthus leaf (152) on roller (151), and a plurality of acanthus leaf (152) are the circumference side of annular array distribution on changeing roller (151).

9. The phacoemulsification cataract extraction training aid for teaching cataract of claim 8, wherein: a plurality of diversion trenches (1521) that the equidistance distributes are all seted up to the both sides of paddle (152), and a plurality of diversion trenches (1521) all incline to set up.

10. The phacoemulsification cataract extraction training aid for cataract teaching according to claim 4, wherein: liquid processing mechanism still includes coupling assembling (16), coupling assembling (16) be used for with filter disc (7) and solid fixed ring (6) installation are fixed, just coupling assembling (16) are including installing two connecting block (161) and connecting screw (163) at filter disc (7) both ends respectively, and connecting groove (162) have been seted up at the top of solid fixed ring (6), connecting block (161) set up in connecting groove (162), connecting screw (163) tip passes connecting block (161) threaded connection in the diapire of connecting groove (162).