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

Abstract

The present invention belongs to the field of ophthalmic surgery, and in particular to an infusion and suction device for ophthalmic surgery and a method of using the same. In view of the problem that the existing infusion and suction devices are separated, which leads to the need to replace equipment during surgery, wastes time, and reduces work efficiency, the following scheme is proposed, including a device shell, a cavity is arranged inside the device shell, third rectangular holes are opened on both sides of the device shell, the third rectangular holes are communicated with the internal cavity, and door panels are slidably penetrated inside the third rectangular holes. In the present invention, the device is moved to a suitable position, and after adjusting the height of the inner rod, the infusion bottle is hung on the hook, the limit block is first moved up, the door panel is opened, and then the first support plate can be moved out. The setting of the door panel can ensure that the sterile environment inside the device shell will not change. After the pipeline is connected, the operation can be performed normally, and the effect of integrated infusion and suction can greatly reduce the operation process.

Description

Technical Field

[0001] The present invention relates to the technical field of ophthalmic surgery, and in particular to an irrigation and suction device for ophthalmic surgery and a use method thereof. Background Art

[0002] Ophthalmic perfusion fluid is needed in ophthalmic surgery. Ophthalmic perfusion fluid plays an important role in ophthalmic surgery, such as cataract surgery and vitrectomy. Perfusion fluid is usually a sterile balanced salt solution, whose composition is similar to the physiological environment of the vitreous body of the human eye and can maintain the volume and pressure of the eyeball. Specific ingredients may include sodium chloride, potassium chloride, calcium chloride, magnesium chloride, sodium acetate, sodium citrate, etc.

[0003] During ophthalmic surgery, a suction device is required after the use of the irrigation fluid to help aspirate the irrigation fluid, but the irrigation and suction devices are separated, which leads to the need to replace equipment during the operation, wasting time, reducing work efficiency, and being inconvenient to use. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art that the perfusion and suction devices are separated, which leads to the need to replace equipment during surgery, wastes time, reduces work efficiency and is inconvenient to use, and to propose a perfusion and suction device for ophthalmic surgery and a method of using the same.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] An irrigation and suction device for ophthalmic surgery, comprising a device shell, a cavity is arranged inside the device shell, third rectangular holes are opened on both sides of the device shell, the third rectangular holes are connected with the internal cavity, door panels are slidably penetrated inside the third rectangular holes, the door panels are used to block the third rectangular holes, a second rectangular hole is opened on one side of the door panel, and a limit assembly for limiting the position of the door panel is arranged inside the second rectangular hole;

[0007] A fixed cylinder is fixedly passed through the top of the device housing, and a disinfection component for disinfection is arranged inside the fixed cylinder;

[0008] A brake assembly for braking the door panel is provided on the top of the fixing cylinder;

[0009] Partitions are fixedly connected between the inner walls on both sides of the device shell and the fixed cylinder, and the partitions and the fixed cylinder divide the device shell into two spaces. A first support plate is slidably connected to the bottom inner wall of the device shell, and multiple second support plates are slidably connected between the inner walls on both sides of the device shell. The first support plate and the second support plate are respectively located on both sides of the partition, and a mounting plate is arranged on the top of the first support plate, and a perfusion and suction assembly for perfusion and suction is arranged on one side of the mounting plate.

[0010] In a possible design, the limiting assembly includes a push plate slidably connected to the inside of the second rectangular hole, a transverse groove is opened inside the door panel, the transverse groove is connected to the second rectangular hole and is located on both sides of the second rectangular hole, and a connected vertical groove is opened at the bottom of the transverse groove. Both sides of the push plate are fixedly connected with cross bars, and one side of the bottom of the cross bar is fixedly connected with an L-shaped block.

[0011] In a possible design, the limiting assembly also includes a vertical rod slidably connected to the inside of the vertical slot, two symmetrically arranged tension springs are fixedly connected between one side of the vertical rod and an inner wall of one side of the vertical slot, an inclined block is fixedly connected to the top of one side of the vertical rod, and the inclined block is used in conjunction with the L-shaped block, and a clamping block is fixedly connected to the bottom of one side of the vertical rod, and transverse through holes are opened on both sides of the door panel, and the transverse through holes are used in conjunction with the clamping blocks, and the transverse through holes are connected to the vertical slot.

[0012] In one possible design, the disinfection assembly includes a threaded block threadedly connected to the inside of a fixed cylinder, an ultraviolet disinfection lamp is arranged at the bottom of the threaded block, the ultraviolet disinfection lamp is located inside the fixed cylinder, a plurality of holes are opened on the fixed cylinder, and a rectangular groove is opened on the top of the threaded block, which can cooperate with the rectangular block to complete the removal operation of the ultraviolet disinfection lamp.

[0013] In one possible design, the brake assembly includes a rectangular cover plate rotatably mounted on the top of the threaded block, a rectangular through hole is opened inside the rectangular cover plate, the same rectangular block is inserted into the rectangular through hole and the rectangular groove, and a limiting block is fixedly connected to the top of the rectangular block, which can help to remove the ultraviolet disinfection lamp and limit the door panel to prevent it from shaking, thereby affecting the sterile environment inside the device casing.

[0014] In a possible design, a first rectangular hole is opened on one side of the rectangular cover plate, first card slots are opened on both side inner walls of the first rectangular hole, second card slots are opened on both side inner walls of the third rectangular hole, and the second card slot and the first card slot are engaged with the card block, so that the door panel can be fixed in a suitable position to realize the functions of opening and closing.

[0015] In a possible design, the irrigation and suction assembly includes an air pipe, a suction pipe and an irrigation pipe arranged on one side of a mounting plate, one end of the air pipe and the suction pipe are fixedly connected to the same vitrectomy cutter, one end of the vitrectomy cutter is fixedly connected to an inner pipe, one end of the vitrectomy cutter is fixedly connected to an outer pipe, the outer pipe is sleeved on the outer wall of the inner pipe, the inner pipe passes through the outer pipe, and one side of the bottom of the outer pipe is fixedly connected to the irrigation pipe, so that the irrigation operation can be completed through the outer pipe, and the suction operation is then achieved through the inner pipe.

[0016] In a possible design, a fixing block is fixedly connected to one side of the device housing, a sleeve is fixedly connected to the top of the fixing block, an inner rod is slidably penetrated inside the sleeve, and the stability of the movement of the inner rod can be ensured; a plurality of hooks are provided on the top of the inner rod, which can be used to hang an infusion bottle; a fixing screw is threadedly penetrated through the outer wall of the sleeve, and one end of the fixing screw is in contact with one side of the inner rod, and can be used to fix the height of the inner rod, so that it can be adjusted to a suitable height for easy use.

[0017] In a possible design, the four corners of the bottom of the device shell are fixedly connected to support legs, and the bottom of the support legs is fixedly connected to anti-slip pads to ensure the stability of the device and avoid shaking. The top side of the first support plate and the second support plate are fixedly connected to handles to facilitate pulling the first support plate and the second support plate. The top of the second support plate is provided with a placement groove to ensure the stability of the storage box and facilitate installation. The storage box is clamped inside the placement groove, which can conveniently place the devices that need to be used and facilitate timely replenishment.

[0018] A method for using an irrigation and suction device for ophthalmic surgery, specifically comprising the following steps:

[0019] S1. Connect the gas source to the gas source connector at the rear of the host;

[0020] S2. Connect the air tube on the handle to the vitrectomy port on the Venturi module.

[0021] S3. Connect the irrigation tube and the aspiration tube to the corresponding Luer connectors on the vitrectomy cutter;

[0022] S4. Connect the Luer plug on the suction tube to the Luer connector of the liquid collection box;

[0023] S5. Insert the liquid collection box into the console until it locks into place;

[0024] S6, open the throttle valve, insert the perfusion tube of the perfusion suction tube group into the groove of the throttle valve, and close the throttle valve;

[0025] S7. Hang the infusion bottle on the perfusion control valve and make sure the stop clamp is closed.

[0026] In this application, the device is first moved to a suitable position, the fixing screw is loosened, and the inner rod is moved up. At this time, the inner rod can be adjusted to a suitable height according to the needs, and the fixing screw is screwed in again to ensure the stability of the inner rod, and the infusion bottle is hung on the hook;

[0027] First, move the limit block upward, and the limit block drives the rectangular block to move out of the inside of the rectangular groove. At this time, the rectangular cover plate and the threaded block are disengaged, and the rectangular cover plate can be rotated to rotate the first rectangular hole to the top of the appropriate door panel. When the internal ultraviolet disinfection lamp needs to be repaired and replaced, there is no need to move the limit block upward. At this time, the rectangular cover plate and the threaded block are connected as one. Rotating the rectangular cover plate can drive the threaded block to rotate, and then the threaded block is screwed out from the inside of the fixed cylinder, which is convenient for replacing the ultraviolet disinfection lamp;

[0028] At this time, the push plate can be pushed, and the push plate drives the two cross bars to move upward, and the cross bars drive the L-shaped block to move upward, and the L-shaped block conflicts with the inclined surface of the inclined block. At this time, the inclined block drives the vertical rod to move horizontally, and the vertical rod stretches the tension spring and drives the card block to move horizontally. At this time, the card block moves out of the second card slot and enters the inside of the horizontal through hole;

[0029] At this time, the braking state of the door panel and the device housing can be released, and the push plate can be moved upward. At this time, the push plate drives the door panel upward, and the door panel moves from the inside of the third rectangular hole to the inside of the first rectangular hole. When the clamping block is flush with the first clamping slot, the two vertical rods move horizontally under the tension of the tension spring, and the vertical rod drives the clamping block to extend. At this time, the clamping block enters the inside of the first clamping slot to brake the door panel;

[0030] At this time, the first support plate can be pulled out, and the mounting plate can be removed to facilitate the normal operation. By opening the door panel on the other side, suitable objects can be taken out from the inside of the multiple storage boxes to supplement the missing objects.

[0031] S1. Connect the gas source to the gas source connector at the rear of the host;

[0032] S2. Connect the air tube on the handle to the vitrectomy port on the Venturi module.

[0033] S3. Connect the irrigation tube and the aspiration tube to the corresponding Luer connectors on the vitrectomy cutter;

[0034] S4. Connect the Luer plug on the suction tube to the Luer connector of the liquid collection box;

[0035] S5. Insert the liquid collection box into the console until it locks into place;

[0036] S6, open the throttle valve, insert the perfusion tube of the perfusion suction tube group into the groove of the throttle valve, and close the throttle valve;

[0037] S7. Hang the infusion bottle on the perfusion control valve and make sure the stop clamp is closed. Beneficial Effects

[0038] In the present invention, the perfusion and suction device for ophthalmic surgery can achieve the effect of controlling the position of the door panel through the brake component and the limit component, thereby ensuring that the door panel will not be opened when not in use, thereby ensuring that the sterile environment inside the device housing will not be changed, thereby facilitating the surgical process;

[0039] In the present invention, the irrigation and suction device for ophthalmic surgery can achieve the effect of integrated irrigation and suction through the irrigation and suction assembly, thereby greatly reducing the surgical procedures, saving the time for changing equipment, and improving work efficiency;

[0040] In the present invention, the device is moved to a suitable position, the height of the inner rod is adjusted, the infusion bottle is hung on the hook, the limit block is first moved up, the door panel is opened, and the first support plate can be moved out. The setting of the door panel can ensure that the sterile environment inside the device shell will not change, thereby facilitating the surgical process. After the pipeline is connected, the operation can be carried out normally, and the integrated perfusion and suction effect can greatly reduce the surgical process, save the time of changing equipment, and improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 A schematic diagram of the three-dimensional structure of an irrigation and suction device for ophthalmic surgery proposed by the present invention;

[0042] Figure 2 A schematic diagram of the three-dimensional structure of an ophthalmic surgery irrigation and suction device proposed by the present invention when in use;

[0043] Figure 3 A schematic diagram of the three-dimensional structure of a partition and a fixed cylinder in an irrigation and suction device for ophthalmic surgery proposed by the present invention;

[0044] Figure 4 A schematic diagram of the three-dimensional structure of a storage box and a second support plate in an irrigation and suction device for ophthalmic surgery proposed by the present invention;

[0045] Figure 5 A schematic diagram of the three-dimensional structure of an ultraviolet disinfection lamp and a rectangular cover plate in an irrigation and suction device for ophthalmic surgery proposed by the present invention;

[0046] Figure 6 A schematic diagram of the three-dimensional structure of a vitrectomy cutter in an irrigation and suction device for ophthalmic surgery proposed by the present invention;

[0047] Figure 7This is a schematic diagram of the explosion structure of the inner tube and the outer tube in the irrigation and suction device for ophthalmic surgery proposed by the present invention;

[0048] Figure 8 This is a schematic diagram of a three-dimensional cross-sectional structure of a door panel in an irrigation and suction device for ophthalmic surgery proposed by the present invention;

[0049] Fig. 9 This is a schematic diagram of the exploded structure of a door panel and a push plate in an irrigation and suction device for ophthalmic surgery proposed by the present invention.

[0050] In the figure: 1, device housing; 2, rectangular cover plate; 3, stopper; 4, first rectangular hole; 5, first slot; 6, second rectangular hole; 7, push plate; 8, door plate; 9, fixing block; 10, support leg; 11, sleeve; 12, third rectangular hole; 13, mounting plate; 14, vitrectomy cutter; 15, trachea; 16, suction tube; 17, irrigation tube; 18, handle; 19, first support plate; 20, hook; 21, inner rod; 22, fixing screw; 23. Anti-slip mat; 24. Fixed tube; 25. Second card slot; 26. Partition; 27. Storage box; 28. Placement slot; 29. ​​Second support plate; 30. Rectangular block; 31. Rectangular through hole; 32. Threaded block; 33. Ultraviolet disinfection lamp; 34. Rectangular slot; 35. Inner tube; 36. Outer tube; 37. Horizontal slot; 38. L-shaped block; 39. Tension spring; 40. Vertical rod; 41. Card block; 42. Vertical slot; 43. Horizontal rod; 44. Oblique block; 45. Horizontal through hole. DETAILED DESCRIPTION

[0051] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0052] Example 1

[0053] Reference Figure 1-9A perfusion suction device includes: a device housing 1, a cavity is arranged inside the device housing 1, third rectangular holes 12 are opened on both sides of the device housing 1, the third rectangular holes 12 are connected to the internal cavity, a door plate 8 is slidably penetrated inside the third rectangular hole 12, the door plate 8 is used to block the third rectangular hole 12, a second rectangular hole 6 is opened on one side of the door plate 8, a limiting component for limiting the position of the door plate 8 is arranged inside the second rectangular hole 6, and the limiting component includes a push plate 7 slidably connected to the inside of the second rectangular hole 6 The door panel 8 has a transverse groove 37 formed inside, which is connected to the second rectangular hole 6 and is located on both sides of the second rectangular hole 6. A vertical groove 42 is formed at the bottom of the transverse groove 37. Both sides of the push plate 7 are fixedly connected with a transverse rod 43. The bottom side of the transverse rod 43 is fixedly connected with an L-shaped block 38. The limit assembly also includes a vertical rod 40 slidably connected to the inside of the vertical groove 42. Two tension springs 39 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 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. Both sides of the door panel 8 are provided with transverse through holes 45, which are used in conjunction with the clamping block 41. The transverse through holes 45 are connected to the vertical slots 42. At this time, the push plate 7 can be pushed, and the push plate 7 drives the two transverse rods 43 to move upward, and the transverse rod 43 drives the L-shaped block 38 to move upward. The L-shaped block 38 conflicts with the inclined surface of the inclined block 44. At this time, the inclined block 44 drives the vertical rod 40 to move horizontally, and the vertical rod 40 stretches the tension spring 39 and drives the clamping block 41 to move horizontally. When the card block 41 moves out from the inside of the second card slot 25 and enters the inside of the transverse through hole 45, the braking state of the door panel 8 and the device housing 1 can be released, and the push plate 7 continues to move upward. At this time, the push plate 7 drives the door panel 8 to move upward, and the door panel 8 moves from the inside of the third rectangular hole 12 to the inside of the first rectangular hole 4. When the card block 41 is flush with the first card slot 5, the two vertical rods 40 move horizontally under the tension of the tension spring 39, and the vertical rod 40 drives the card block 41 to extend. At this time, the card block 41 enters the inside of the first card slot 5 to brake the door panel 8;

[0054] 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, and the disinfection component includes a threaded block 32 threadedly connected to the inside of the fixed cylinder 24, and 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, and a plurality of holes are provided on the fixed cylinder 24, and a rectangular groove 34 is provided on the top of the threaded block 32. When the internal ultraviolet disinfection lamp 33 needs to be repaired and replaced, there is no need to move the limit block 3 upward. At this time, the rectangular cover plate 2 and the threaded block 32 are connected as a whole, and the rectangular cover plate 2 is rotated to drive the threaded block 32 to rotate, and then the threaded block 32 is screwed out from the inside of the fixed cylinder 24, so as to facilitate the replacement of the ultraviolet disinfection lamp 33;

[0055] A brake assembly for braking the door panel 8 is provided at the top of the fixed cylinder 24, and the brake assembly includes a rectangular cover plate 2 rotatably sleeved on the top of the threaded block 32, a rectangular through hole 31 is provided inside the rectangular cover plate 2, and the same rectangular block 30 is inserted inside the rectangular through hole 31 and the rectangular groove 34, and the top of the rectangular block 30 is fixedly connected to the limit block 3, a first rectangular hole 4 is provided on one side of the rectangular cover plate 2, and first clamping grooves 5 are provided on both sides of the inner wall of the first rectangular hole 4, and second clamping grooves 25 are provided on both sides of the inner wall of the third rectangular hole 12, and the second clamping grooves 25 and the first clamping grooves 5 are both engaged with the clamping block 41, first the limit block 3 is moved up, and the limit block 3 drives the rectangular block 30 to move out from the inside of the rectangular groove 34, at this time the rectangular cover plate 2 and the threaded block 32 are disengaged, and the rectangular cover plate 2 can be rotated to rotate the first rectangular hole 4 to the top of the appropriate door panel 8;

[0056] A partition 26 is fixedly connected between the inner walls on both sides of the device housing 1 and the fixed cylinder 24. 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 of the bottom of the device housing 1. 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 plate 29 are respectively located on both sides of the partition 26. A mounting plate 13 is provided on the top of the first support plate 19. A perfusion suction assembly for perfusion and suction is provided on one side of the mounting plate 13. The perfusion suction assembly includes an air pipe 15, a suction pipe 16 and an perfusion pipe 17 arranged on one side of the mounting plate 13. One end of the air pipe 15 and the suction pipe 16 are fixedly connected to the same vitrectomy cutter 14. One end of the vitrectomy cutter 14 An inner tube 35 is fixedly connected, and 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 the bottom side of the outer tube 36 is fixedly connected to the perfusion tube 17, connecting the air source to the air source connector at the rear of the main unit; connecting the air tube 15 on the handle to the vitrectomy port on the Venturi module; connecting the flushing tube and the suction tube 16 to the corresponding Luer connectors on the vitrectomy cutter 14; connecting the Luer plug on the suction tube 16 to the Luer connector of the liquid collection box; inserting the liquid collection box into the console until it is locked in position; 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; hanging the infusion bottle on the perfusion control valve to ensure that the liquid stop clamp is closed.

[0057] A method for using an irrigation and suction device for ophthalmic surgery, specifically comprising the following steps:

[0058] S1. Connect the gas source to the gas source connector at the rear of the host;

[0059] S2, connect the air tube 15 on the handle to the vitrectomy port on the Venturi module;

[0060] S3, connecting the flushing tube and the suction tube 16 to the corresponding Luer connectors on the vitrectomy cutter 14;

[0061] S4, connecting the Luer plug on the suction tube 16 to the Luer connector of the liquid collection box;

[0062] S5. Insert the liquid collection box into the console until it locks into place;

[0063] S6, open the throttle valve, insert the perfusion pipe 17 of the perfusion suction pipe 16 group into the groove of the throttle valve, and close the throttle valve;

[0064] S7. Hang the infusion bottle on the perfusion control valve and make sure the stop clamp is closed.

[0065] The present application can be used in the field of ophthalmic surgery, and can also be applied to other technical fields of the present application.

[0066] Example 2

[0067] refer to Figure 1-9 , improved on the basis of Example 1: an ophthalmic surgery irrigation and suction device, which is used in the field of ophthalmic surgery, one side of the device housing 1 is fixedly connected to a fixing block 9, the top of the fixing block 9 is fixedly connected to a sleeve 11, the inner sleeve 11 is slidably penetrated by an inner rod 21, the top of the inner rod 21 is provided with a plurality of hooks 20, the outer wall thread of the sleeve 11 is penetrated by a fixing screw 22, one end of the fixing screw 22 is in conflict with one side of the inner rod 21, first move the device to a suitable position, loosen the fixing screw 22, move the inner rod 21 upward, at this time the inner rod 21 can be adjusted to a suitable height as required, screw in the fixing screw 22 again, ensure that the inner rod 21 is stable, the infusion bottle is hung on the hook 20, the four corners of the bottom of the device shell 1 are fixedly connected with support legs 10, the bottom of the support legs 10 is fixedly connected with an anti-slip pad 23, the first support plate 19 and the second support plate 29 are fixedly connected to one side of the top, and a placement groove 28 is opened on the top of the second support plate 29, and a storage box 27 is clamped inside the placement groove 28. At this time, the first support plate 19 can be pulled out, and the mounting plate 13 can be moved out at this time, which is convenient for the normal progress of the surgical process. By opening the door panel 8 on the other side, suitable objects can be taken out from the inside of the multiple storage boxes 27, and the missing objects can be supplemented.

[0068] However, as is well known to those skilled in the art, the working principles and wiring methods of the ultraviolet disinfection lamp 33 and the vitrectomy cutter 14 are commonplace, and are conventional means or common knowledge, and will not be elaborated here. Those skilled in the art may make any optional selections according to their needs or convenience.

[0069] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An irrigation and suction device for ophthalmic surgery, characterized in that: include: 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. The irrigation and suction device for ophthalmic surgery according to claim 1, characterized in that: The limiting assembly further comprises a vertical rod (40) slidably connected to the interior of the vertical slot (42); two tension springs (39) symmetrically arranged are fixedly connected between one side of the vertical rod (40) and an inner wall of one side of the vertical slot (42); a slanted block (44) is fixedly connected to the top of one side of the vertical rod (40); the slanted block (44) is used in conjunction 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 provided on both sides of the door panel (8); 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 slot (42).

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

4. The irrigation and suction device for ophthalmic surgery according to claim 3, characterized in that: The brake assembly comprises a rectangular cover plate (2) rotatably sleeved 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 rectangular through hole (31) and the rectangular groove (34); and the top of the rectangular block (30) is fixedly connected to a limit block (3).

5. The 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 inner walls of the first rectangular hole (4), second clamping grooves (25) are provided on both inner walls of the third rectangular hole (12), and the second clamping grooves (25) and the first clamping grooves (5) are both engaged with the clamping blocks (41).

6. The 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 contact with one side of the inner rod (21).

7. The 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) is fixedly connected to an anti-slip pad (23), the top side of the first support plate (19) and the second support plate (29) are fixedly connected to a handle (18), the top of the second support plate (29) is provided with a placement groove (28), and the interior of the placement groove (28) is snap-fitted with a storage box (27).

8. The method for using the irrigation and suction device for ophthalmic surgery according to claim 7, characterized in that: The specific steps include: 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.

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