CN118873322B

CN118873322B - A kind of irrigation and suction device for ophthalmic surgery and its use method

Info

Publication number: CN118873322B
Application number: CN202411096238.9A
Authority: CN
Inventors: 颜忠平; 张弛; 陈雀敏
Original assignee: Jiaxing Xiran Medical Equipment Co ltd
Current assignee: Jiaxing Xiran Medical Equipment Co ltd
Priority date: 2024-08-12
Filing date: 2024-08-12
Publication date: 2025-01-28
Anticipated expiration: 2044-08-12
Also published as: CN118873322A

Abstract

The invention belongs to the field of ophthalmic surgery, in particular to perfusion and suction equipment for ophthalmic surgery and a use method thereof, aiming at the problems that the existing perfusion and suction devices are separated, so that equipment is required to be replaced in surgery, time is wasted and working efficiency is reduced, the invention provides a scheme which comprises a device shell, wherein a cavity is arranged in the device shell, third rectangular holes are formed in two sides of the device shell and are communicated with the internal cavity, door plates are arranged in the third rectangular holes in a sliding manner, the device is moved to a proper position, an infusion bottle is hung on a hook after the height of an inner rod is adjusted, a limiting block is firstly moved upwards, the door plates are opened, a first supporting plate can be moved out, the arrangement of the door plates can ensure that the sterile environment in the device shell can not be changed, the operation can be normally performed after connecting pipelines, the perfusion and suction integrated effect can be greatly reduced.

Description

Perfusion and suction equipment for ophthalmic surgery and application method thereof

Technical Field

The invention relates to the technical field of ophthalmic surgery, in particular to perfusion and suction equipment for ophthalmic surgery and a using method thereof.

Background

In ophthalmic surgery, an ophthalmic perfusate is needed, and plays an important role in ophthalmic surgery, such as cataract surgery, vitrectomy surgery, etc., and the perfusate is usually a sterile balanced salt solution, and has a composition similar to that of the human eye vitreous body physiological environment, and can maintain the volume and pressure of the eye. Specific ingredients may include sodium chloride, potassium chloride, calcium chloride, magnesium chloride, sodium acetate, sodium citrate, and the like.

When performing ophthalmic surgery, because the suction device is needed after the use of the perfusate, the perfusate is sucked, but the perfusion and the suction device are separated, so that equipment is required to be replaced in the surgery, the time is wasted, the working efficiency is reduced, and the use is inconvenient.

Disclosure of Invention

The invention aims to solve the defects that in the prior art, perfusion and suction devices are separated, so that equipment is required to be replaced in an operation, time is wasted, working efficiency is reduced, and the use is inconvenient.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

The utility model provides an ophthalmic surgery is with filling suction equipment, includes the device shell, the inside of device shell is provided with the cavity, the both sides of device shell all have seted up the third rectangular hole, the third rectangular hole is linked together with inside cavity, the inside all slip in third rectangular hole is run through there is the door plant, the door plant is used for carrying out shutoff to the third rectangular hole, the second rectangular hole has been seted up to one side of door plant, the inside in second rectangular hole is provided with the spacing subassembly that is used for prescribing a limit to the position of door plant;

a fixed cylinder is fixedly penetrated at the top of the device shell, and a disinfection component for disinfection is arranged in the fixed cylinder;

The top of the fixed cylinder is provided with a brake component for braking the door plate;

The device comprises a device shell, wherein a partition plate is fixedly connected between the inner walls of the two sides of the device shell and a fixed cylinder, the partition plate and the fixed cylinder divide the device shell into two spaces, a first supporting plate is slidably connected with the inner wall of the bottom of the device shell, a plurality of second supporting plates are slidably connected between the inner walls of the two sides of the device shell, the first supporting plate and the second supporting plates are respectively positioned on the two sides of the partition plate, a mounting plate is arranged at the top of the first supporting plate, and a perfusion and suction assembly for perfusion and suction is arranged on one side of the mounting plate.

In one possible design, the limiting component comprises a push plate which is slidably connected inside the second rectangular hole, a transverse groove is formed in the door plate, the transverse groove is communicated with the second rectangular hole and located on two sides of the second rectangular hole, vertical grooves which are communicated are formed in the bottom of the transverse groove, transverse rods are fixedly connected to two sides of the push plate, and an L-shaped block is fixedly connected to one side of the bottom of each transverse rod.

In a possible design, spacing subassembly still includes the montant of sliding connection in perpendicular inslot portion, two extension springs that fixedly connected with symmetry set up between one side of montant and the one side inner wall of perpendicular groove, one side top fixedly connected with sloping block of montant, sloping block and L type piece cooperation use, one side bottom fixedly connected with fixture block of montant, horizontal through-hole has all been seted up to the both sides of door plant, horizontal through-hole and fixture block cooperation use, horizontal through-hole is linked together with perpendicular groove.

In one possible design, the disinfection subassembly includes threaded connection at the inside screw thread piece of fixed section of thick bamboo, the bottom of screw thread piece is provided with the ultraviolet ray disinfection lamp, the ultraviolet ray disinfection lamp is located the inside of fixed section of thick bamboo, a plurality of holes have been seted up on the fixed section of thick bamboo, rectangular channel has been seted up at the top of screw thread piece, can cooperate with the rectangular piece, accomplishes the operation of taking out of ultraviolet ray disinfection lamp.

In a possible design, the brake component is including rotating the cover and establishing the rectangle apron at screw block top, the rectangle through-hole has been seted up to the inside of rectangle apron, the inside grafting of rectangle through-hole and rectangle groove has same rectangle piece, the top fixedly connected with stopper of rectangle piece can help taking out the ultraviolet disinfection lamp, can also carry out spacingly to the door plant, avoids it to appear rocking, and then influences the inside aseptic environment of device shell.

In one possible design, first rectangular hole has been seted up to one side of rectangular cover plate, first draw-in groove has all been seted up to the both sides inner wall of first rectangular hole, the second draw-in groove has all been seted up to the both sides inner wall of third rectangular hole, second draw-in groove and first draw-in groove all block with the fixture block mutually, can fix the door plant in suitable position, realize opening and the function of closing.

In one possible design, the perfusion and suction assembly comprises an air pipe, a suction pipe and a perfusion pipe which are arranged on one side of the mounting plate, wherein one end of the air pipe and one end of the suction pipe are fixedly communicated with one vitreous body cutting cutter, one end of the vitreous body cutting cutter is fixedly communicated with an inner pipe, one end of the vitreous body cutting cutter is fixedly connected with an outer pipe, the outer pipe is sleeved on the outer wall of the inner pipe, the inner pipe penetrates through the outer pipe, one side of the bottom of the outer pipe is fixedly communicated with the perfusion pipe, the perfusion operation can be completed through the outer pipe, and the suction operation can be realized through the inner pipe.

In a possible design, one side fixedly connected with fixed block of device shell, the top fixedly connected with sleeve of fixed block, telescopic inside slip runs through there is interior pole, can guarantee the stability that interior pole removed, the top of interior pole is provided with a plurality of couples, can be used for hanging establishes the infusion bottle, telescopic outer wall screw thread runs through there is the fixed screw, the one end of fixed screw is inconsistent with one side of interior pole, can be used for the height of fixed interior pole, and then can adjust it to suitable height, convenient to use.

In a possible design, the equal fixedly connected with supporting leg in bottom four corners of device shell, the bottom fixedly connected with slipmat of supporting leg can guarantee the stability of device, avoids appearing rocking, the equal fixedly connected with handle in top one side of first backup pad and second backup pad, be convenient for draw first backup pad and second backup pad, the standing groove has been seted up at the top of second backup pad, can guarantee the stability of receiver, is convenient for install, the inside joint of standing groove has the receiver, can conveniently place the device that needs to use, is convenient for in time supplement.

The application method of the perfusion and suction device for the ophthalmic surgery specifically comprises the following steps:

s1, connecting an air source to an air source connector at the rear part of a host;

s2, connecting an air pipe on the handle to a vitrectomy on the Venturi module;

s3, connecting the flushing pipe and the suction pipe to corresponding luer connectors on the vitrectomy cutter;

s4, connecting a luer plug on the suction tube to a liquid collecting box luer connector;

s5, inserting the liquid collecting box into the control console until the liquid collecting box is locked to the control console;

s6, opening the throttle valve, inserting a filling pipe of the filling suction pipe group into a groove of the throttle valve, and closing the throttle valve;

S7, hanging the infusion bottle on the perfusion control valve to ensure that the liquid stopping clamp is closed.

In the application, the device is moved to a proper position, the fixing screw is unscrewed, the inner rod is moved upwards, the inner rod can be adjusted to a proper height according to the requirement, the fixing screw is screwed in again, the stability of the inner rod is ensured, and the infusion bottle is hung on the hook;

Firstly, moving up a limiting block, wherein the limiting block drives a rectangular block to move out of the rectangular groove, at the moment, the rectangular cover plate is separated from the threaded block, the rectangular cover plate can be rotated, a first rectangular hole is rotated to be above a proper door plate, when the ultraviolet disinfection lamp in the interior needs to be maintained and exchanged, the limiting block does not need to be moved up, at the moment, the rectangular cover plate and the threaded block are connected into a whole, the rectangular cover plate is rotated, the threaded block can be driven to rotate, and then the threaded block is rotated out of the interior of the fixed cylinder, so that the ultraviolet disinfection lamp is convenient to replace;

The push plate can be pushed at the moment, the push plate drives the two cross bars to move upwards, the cross bars drive the L-shaped blocks to move upwards, the L-shaped blocks are in conflict with the inclined planes of the inclined blocks, the inclined blocks drive the vertical rods to move transversely at the moment, the vertical rods stretch the tension springs and drive the clamping blocks to move transversely, and the clamping blocks move out of the second clamping grooves and enter the transverse through holes at the moment;

The braking state of the door plate and the device shell can be relieved, the push plate is continuously moved upwards, the push plate drives the door plate to move upwards, the door plate moves from the inside of the third rectangular hole to the inside of the first rectangular hole, after the clamping block is flush with the first clamping groove, the two vertical rods move transversely under the action of the tension force of the tension spring, the vertical rods drive the clamping block to extend out, and the clamping block enters the inside of the first clamping groove to brake the door plate;

At the moment, the first supporting plate can be pulled out, the mounting plate can be removed at the moment, the normal operation process is facilitated, appropriate objects can be taken out from the inside of the plurality of storage boxes by opening the door plate at the other side, and the missing objects can be supplemented;

s2, connecting an air pipe on the handle to a vitrectomy on the Venturi module;

Advantageous effects

According to the perfusion and suction equipment for the ophthalmic surgery, the effect of controlling the position of the door plate can be achieved through the brake component and the limit component, so that the door plate can be prevented from being opened when the perfusion and suction equipment is not used, the sterile environment inside the device shell can be prevented from being changed, and the operation process is facilitated;

According to the perfusion and suction device for the ophthalmic surgery, the perfusion and suction integrated effect can be achieved through the perfusion and suction assembly, so that the procedure of the surgery can be greatly reduced, the time for replacing the device is saved, and the working efficiency is improved;

According to the invention, the device is moved to a proper position, the height of the inner rod is adjusted, the infusion bottle is hung on the hook, the limiting block is moved upwards, the door plate is opened, the first supporting plate can be moved out, the arrangement of the door plate can ensure that the sterile environment in the device shell can not be changed, the operation process is convenient, after the pipeline is connected, the operation can be normally performed, the effect of integration of perfusion and suction is achieved, the operation procedure can be greatly reduced, the equipment replacement time is saved, and the working efficiency is improved.

Drawings

Fig. 1 is a schematic three-dimensional structure of an irrigation and aspiration device for ophthalmic surgery according to the present invention;

FIG. 2 is a schematic three-dimensional view of an irrigation and aspiration device for ophthalmic surgery according to the present invention;

FIG. 3 is a schematic view showing a three-dimensional structure of a baffle and a fixed cylinder in an irrigation and aspiration device for ophthalmic surgery according to the present invention;

Fig. 4 is a schematic three-dimensional structure of a receiving box and a second support plate in an irrigation and aspiration device for ophthalmic surgery according to the present invention;

FIG. 5 is a schematic view showing three-dimensional structures of an ultraviolet lamp sterilizing lamp and a rectangular cover plate in an irrigation and aspiration device for ophthalmic surgery according to the present invention;

FIG. 6 is a schematic view showing a three-dimensional structure of a vitrectomy cutter in an irrigation and aspiration device for ophthalmic surgery according to the present invention;

FIG. 7 is a schematic view of an exploded structure of an inner tube and an outer tube in an irrigation and aspiration device for ophthalmic surgery according to the present invention;

FIG. 8 is a schematic view showing a three-dimensional cross-sectional structure of a door panel in an irrigation and aspiration device for ophthalmic surgery according to the present invention;

fig. 9 is a schematic view showing an exploded structure of a door plate and a push plate in an irrigation and aspiration device for ophthalmic surgery according to the present invention.

In the figure, 1, a device shell, 2, a rectangular cover plate, 3, a limit block, 4, a first rectangular hole, 5, a first clamping groove, 6, a second rectangular hole, 7, a push plate, 8, a door plate, 9, a fixing block, 10, a supporting leg, 11, a sleeve, 12, a third rectangular hole, 13, a mounting plate, 14, a glass body cutting cutter, 15, an air pipe, 16, a suction pipe, 17, a pouring pipe, 18, a handle, 19, a first supporting plate, 20, a hook, 21, an inner rod, 22, a fixing screw, 23, an anti-skid pad, 24, a fixing cylinder, 25, a second clamping groove, 26, a partition plate, 27, a storage box, 28, a placing groove, 29, a second supporting plate, 30, a rectangular block, 31, a rectangular through hole, 32, a thread block, an ultraviolet disinfection lamp, 34, a rectangular groove, 35, an inner pipe, 36, an outer pipe, 37, a transverse groove, 38, an L-shaped block, 39, a tension spring, 40, 41, a clamping block, 42, a vertical groove, 43, a transverse rod, 44, a diagonal block, 45 and a through hole.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.

Example 1

Referring to fig. 1-9, a perfusion-aspiration device, comprising: the device housing 1, the inside of the device housing 1 is provided with a cavity, both sides of the device housing 1 are provided with a third rectangular hole 12, the third rectangular hole 12 is communicated with the internal cavity, the inside of the third rectangular hole 12 is provided with a door plate 8 in a sliding penetrating way, the door plate 8 is used for plugging the third rectangular hole 12, one side of the door plate 8 is provided with a second rectangular hole 6, the inside of the second rectangular hole 6 is provided with a limiting component used for limiting the position of the door plate 8, the limiting component comprises a push plate 7 which is in sliding connection with the inside of the second rectangular hole 6, the inside of the door plate 8 is provided with a transverse groove 37, the transverse groove 37 is communicated with the second rectangular hole 6 and is positioned at both sides of the second rectangular hole 6, the bottom of the transverse groove 37 is provided with a vertical groove 42 which is communicated, both sides of the push plate 7 are fixedly connected with a cross bar 43, the L-shaped block 38 is fixedly connected to one side of the bottom of the cross rod 43, the limiting component further comprises a vertical rod 40 which is slidably connected to the inside of the vertical groove 42, two tension springs 39 which are symmetrically arranged are fixedly connected between one side of the vertical rod 40 and the inner wall of one side of the vertical groove 42, an inclined block 44 is fixedly connected to the top of one side of the vertical rod 40, the inclined block 44 is matched with the L-shaped block 38, a clamping block 41 is fixedly connected to the bottom of one side of the vertical rod 40, transverse through holes 45 are formed in two sides of the door plate 8, the transverse through holes 45 are matched with the clamping block 41, the transverse through holes 45 are communicated with the vertical groove 42, at the moment, the push plate 7 can be pushed, the push plate 7 drives the two cross rods 43 to move upwards, the cross rods 43 drive the L-shaped block 38 to move upwards, the L-shaped block 38 is in contact with the inclined surface of the inclined block 44, at the moment, the inclined block 44 drives the vertical rod 40 to transversely move, the tension springs 39 and drives the clamping block 41 to transversely move, at this time, the clamping block 41 moves out of the second clamping groove 25 and enters the transverse through hole 45, at this time, the braking states of the door plate 8 and the device shell 1 can be relieved, the push plate 7 is continuously moved upwards, at this time, the push plate 7 drives the door plate 8 to move upwards, the door plate 8 moves from the inside of the third rectangular hole 12 to the inside of the first rectangular hole 4, after the clamping block 41 is flush with the first clamping groove 5, at this time, the two vertical rods 40 move transversely under the pulling force of the tension spring 39, the vertical rods 40 drive the clamping block 41 to stretch out, at this time, the clamping block 41 enters the inside of the first clamping groove 5 to brake the door plate 8;

the top of the device shell 1 is fixedly penetrated with a fixed cylinder 24, a disinfection component for disinfection is arranged in the fixed cylinder 24, the disinfection component comprises a thread block 32 which is in threaded connection with the inside of the fixed cylinder 24, an ultraviolet disinfection lamp 33 is arranged at the bottom of the thread block 32, the ultraviolet disinfection lamp 33 is positioned in the fixed cylinder 24, a plurality of holes are formed in the fixed cylinder 24, a rectangular groove 34 is formed in the top of the thread block 32, when the ultraviolet disinfection lamp 33 in the fixed cylinder is required to be maintained and exchanged, a limiting block 3 does not need to be moved upwards, at the moment, a rectangular cover plate 2 and the thread block 32 are connected into a whole, the thread block 32 can be driven to rotate by rotating the rectangular cover plate 2, and then the thread block 32 is screwed out from the inside of the fixed cylinder 24, so that the ultraviolet disinfection lamp 33 is convenient to replace;

The top of the fixed cylinder 24 is provided with a brake component for braking the door plate 8, the brake component comprises a rectangular cover plate 2 which is rotationally sleeved on the top of a threaded block 32, a rectangular through hole 31 is formed in the rectangular cover plate 2, the rectangular through hole 31 and the rectangular groove 34 are internally inserted with the same rectangular block 30, the top of the rectangular block 30 is fixedly connected with a limiting block 3, one side of the rectangular cover plate 2 is provided with a first rectangular hole 4, two side inner walls of the first rectangular hole 4 are provided with first clamping grooves 5, two side inner walls of a third rectangular hole 12 are provided with second clamping grooves 25, the second clamping grooves 25 and the first clamping grooves 5 are respectively clamped with clamping blocks 41, the limiting block 3 is firstly moved upwards, the limiting block 3 drives the rectangular block 30 to move out of the rectangular groove 34, at the moment, the rectangular cover plate 2 and the threaded block 32 are separated, the rectangular cover plate 2 can be rotated, and the first rectangular hole 4 is rotated to be above the proper door plate 8;

The device comprises a device shell 1, a fixed cylinder 24, a partition 26 fixedly connected between the inner walls of the two sides of the device shell 1 and the fixed cylinder 24, a first supporting plate 19 is connected to the inner wall of the bottom of the device shell 1 in a sliding mode, a plurality of second supporting plates 29 are connected between the inner walls of the two sides of the device shell 1 in a sliding mode, the first supporting plate 19 and the second supporting plate 29 are respectively positioned on the two sides of the partition 26, a mounting plate 13 is arranged at the top of the first supporting plate 19, a perfusion suction assembly for perfusion suction is arranged on one side of the mounting plate 13, the perfusion suction assembly comprises an air pipe 15, a suction pipe 16 and a perfusion tube 17 arranged on one side of the mounting plate 13, one end of the air pipe 15 and one end of the suction pipe 16 are fixedly connected with the same vitrectomy cutter 14, one end of the vitrectomy cutter 14 is fixedly connected with an inner pipe 35, one end of the vitrectomy cutter 14 is fixedly connected with an outer pipe 36, the outer pipe 36 is sleeved on the outer wall of the inner pipe 35, one side of the outer pipe 36 is fixedly connected with the perfusion tube 17, an air source is connected to an air source connector at the rear of the host, the air source connector on one side of the handle is connected with the air source connector, one side of the air pipe 15 to the venturi cutter, a suction tube 16 and a suction pipe 16 are arranged on the handle, a suction pipe 16, a sealing valve and a sealing valve are arranged on the sealing valve are connected to the sealing valve, a sealing valve, and a sealing valve are arranged on the sealing valve, and a sealing valve are connected to the sealing valve.

s2, connecting an air pipe 15 on the handle to a vitrectomy on the Venturi module;

S3, connecting the irrigation tube and suction tube 16 to corresponding luer fittings on the vitrectomy cutter 14;

S4, connecting the luer plug on the suction tube 16 to the liquid collecting box luer connector;

S6, opening the throttle valve, inserting a filling pipe 17 of the filling suction pipe 16 group into a groove of the throttle valve, and closing the throttle valve;

The application can be used in the field of ophthalmic surgery, and can also be applied to other technical fields of the application.

Example 2

Referring to fig. 1-9, an improvement is made on the basis of embodiment 1, the perfusion and aspiration device for ophthalmic surgery is applied in the field of ophthalmic surgery, one side of the device housing 1 is fixedly connected with a fixing block 9, the top of the fixing block 9 is fixedly connected with a sleeve 11, the inside of the sleeve 11 is slidably penetrated with an inner rod 21, the top of the inner rod 21 is provided with a plurality of hooks 20, the outer wall threads of the sleeve 11 are penetrated with fixing screws 22, one end of each fixing screw 22 is in contact with one side of the inner rod 21, the device is firstly moved to a proper position, the fixing screws 22 are unscrewed, the inner rod 21 is moved upwards, at the moment, the inner rod 21 can be adjusted to a proper height according to requirements, the fixing screws 22 are screwed again, stability of the inner rod 21 is ensured, an infusion bottle is hung on the hooks 20, four corners of the bottom of the device housing 1 are fixedly connected with supporting legs 10, the bottoms of the supporting legs 10 are fixedly connected with anti-skid pads 23, at the moment, one sides of the tops of the first supporting plate 19 and the second supporting plate 29 are fixedly connected with handles 18, the tops of the second supporting plate 29 are provided with placing grooves 28, the inside of the placing boxes 28 are clamped with the receiving boxes 27, the receiving boxes can be conveniently pulled out of the first supporting plate 19, and the other side 13 can be conveniently removed, and the receiving boxes can be conveniently pulled out from the other side 13 through the receiving boxes, and can be conveniently opened, the receiving boxes, and can be conveniently taken out, and the receiving boxes can be conveniently and normally replaced, and can be conveniently and opened, and opened.

However, as is well known to those skilled in the art, the working principles and wiring methods of the ultraviolet sterilizing lamp 33 and the vitrectomy cutter 14 are well known, and are all conventional or well known, and will not be described in detail herein, and any choice may be made by those skilled in the art as needed or desired.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims

1. An irrigation and suction device for ophthalmic surgery, comprising:

A device housing (1), wherein a cavity is provided inside the device housing (1), third rectangular holes (12) are provided on both sides of the device housing (1), the third rectangular holes (12) are communicated with the internal cavity, a door panel (8) is slidably penetrated inside the third rectangular hole (12), the door panel (8) is used to block the third rectangular hole (12), a second rectangular hole (6) is provided on one side of the door panel (8), and a position limiting component for limiting the position of the door panel (8) is provided inside the second rectangular hole (6);

A fixed cylinder (24) is fixedly passed through the top of the device housing (1), and a disinfection component for disinfection is arranged inside the fixed cylinder (24);

A brake assembly for braking the door panel (8) is provided at the top of the fixing cylinder (24);

A partition (26) is fixedly connected between the inner walls on both sides of the device housing (1) and the fixed cylinder (24), and the partition (26) and the fixed cylinder (24) divide the device housing (1) into two spaces. A first support plate (19) is slidably connected to the inner wall at the bottom of the device housing (1), and a plurality of second support plates (29) are slidably connected between the inner walls on both sides of the device housing (1), the first support plate (19) and the second support plates (29) are respectively located on both sides of the partition (26), a mounting plate (13) is arranged on the top of the first support plate (19), and a perfusion and suction assembly for perfusion and suction is arranged on one side of the mounting plate (13);

The limiting assembly comprises a push plate (7) slidably connected to the inside of the second rectangular hole (6); a transverse groove (37) is provided inside the door panel (8); the transverse groove (37) is connected to the second rectangular hole (6) and is located on both sides of the second rectangular hole (6); a bottom of the transverse groove (37) is provided with a connected vertical groove (42); both sides of the push plate (7) are fixedly connected to a transverse rod (43); and one side of the bottom of the transverse rod (43) is fixedly connected to an L-shaped block (38);

The irrigation and suction assembly comprises an air tube (15), a suction tube (16) and an irrigation tube (17) which are arranged on one side of the mounting plate (13); one end of the air tube (15) and the suction tube (16) are fixedly connected to the same vitrectomy cutter (14); one end of the vitrectomy cutter (14) is fixedly connected to an inner tube (35); one end of the vitrectomy cutter (14) is fixedly connected to an outer tube (36); the outer tube (36) is sleeved on the outer wall of the inner tube (35); the inner tube (35) passes through the outer tube (36); and one side of the bottom of the outer tube (36) is fixedly connected to the irrigation tube (17).

2. An irrigation and suction device for ophthalmic surgery according to claim 1, characterized in that the limiting assembly also includes a vertical rod (40) slidably connected to the inside of the vertical groove (42), two tension springs (39) symmetrically arranged are fixedly connected between one side of the vertical rod (40) and the inner wall of one side of the vertical groove (42), an inclined block (44) is fixedly connected to the top of one side of the vertical rod (40), and the inclined block (44) is used in conjunction with the L-shaped block (38), and a clamping block (41) is fixedly connected to the bottom of one side of the vertical rod (40), and transverse through holes (45) are opened on both sides of the door panel (8), and the transverse through holes (45) are used in conjunction with the clamping block (41), and the transverse through holes (45) are connected to the vertical groove (42).

3. An irrigation and suction device for ophthalmic surgery according to claim 2, characterized in that the disinfection component includes a threaded block (32) threadedly connected to the inside of a fixed cylinder (24), an ultraviolet disinfection lamp (33) is arranged at the bottom of the threaded block (32), and the ultraviolet disinfection lamp (33) is located inside the fixed cylinder (24), a plurality of holes are opened on the fixed cylinder (24), and a rectangular groove (34) is opened on the top of the threaded block (32).

4. An irrigation and suction device for ophthalmic surgery according to claim 3, characterized in that the braking assembly comprises a rectangular cover plate (2) rotatably mounted on the top of a threaded block (32), a rectangular through hole (31) is provided inside the rectangular cover plate (2), the same rectangular block (30) is inserted into the inside of the rectangular through hole (31) and the rectangular groove (34), and the top of the rectangular block (30) is fixedly connected to a limiting block (3).

5. An irrigation and suction device for ophthalmic surgery according to claim 4, characterized in that a first rectangular hole (4) is provided on one side of the rectangular cover plate (2), first clamping grooves (5) are provided on both side inner walls of the first rectangular hole (4), second clamping grooves (25) are provided on both side inner walls of the third rectangular hole (12), and the second clamping grooves (25) and the first clamping grooves (5) are both engaged with clamping blocks (41).

6. An irrigation and suction device for ophthalmic surgery according to claim 5, characterized in that a fixing block (9) is fixedly connected to one side of the device housing (1), a sleeve (11) is fixedly connected to the top of the fixing block (9), an inner rod (21) is slidably penetrated inside the sleeve (11), a plurality of hooks (20) are arranged on the top of the inner rod (21), a fixing screw (22) is threadedly penetrated through the outer wall of the sleeve (11), and one end of the fixing screw (22) is in conflict with one side of the inner rod (21).

7. An irrigation and suction device for ophthalmic surgery according to claim 6, characterized in that the four corners of the bottom of the device housing (1) are fixedly connected to support legs (10), the bottom of the support legs (10) are fixedly connected to anti-slip pads (23), the top side of the first support plate (19) and the second support plate (29) are fixedly connected to handles (18), the top of the second support plate (29) is provided with a placement groove (28), and a storage box (27) is clamped inside the placement groove (28).

8. The method for using the irrigation and suction device for ophthalmic surgery according to claim 7, characterized in that it specifically comprises the following steps:

S1. Connect the gas source to the gas source connector at the rear of the host;

S2. Connect the air tube (15) on the handle to the vitrectomy port on the Venturi module;

S3, connecting the flushing tube and the suction tube (16) to the corresponding Luer connectors on the vitrectomy cutter (14);

S4, connect the Luer plug on the suction tube (16) to the Luer connector of the liquid collection box;

S5. Insert the liquid collection box into the console until it locks into place;

S6, opening the throttle valve, inserting the perfusion tube (17) of the perfusion suction tube (16) group into the groove of the throttle valve, and closing the throttle valve;

S7. Hang the infusion bottle on the perfusion control valve and make sure the stop clamp is closed.