Cornea water dripping device in ophthalmic microsurgery

Abstract

The cornea water dripping device comprises an infusion support, a supporting rod, a transparent plastic box, an eyelid dilator and a liquid flow pump, the transparent plastic box is arranged on one side of the infusion support, and the liquid flow pump is installed on the outer wall of the side, away from the infusion support, of the transparent plastic box. A liquid flow pump is installed in the transparent plastic box, a first silicone tube is installed at the input end of the liquid flow pump, a second silicone tube is installed at the output end of the liquid flow pump, a motor is installed in the transparent plastic box, a liquid guide tube is installed at the bottom end of the second silicone tube, and the eyelid dilator is installed at the bottom end of the liquid guide tube. The eyelid dilator comprises a dilator main body, a water outlet hole and a metal plate, a pedal controller is arranged on one side of the bottom of the infusion support, and a pedal plate is mounted at the top end of the pedal controller. The eyelid opening device not only can actively control opening, closing and flow of the liquid flow pump, is simple in structure and convenient to operate actually, but also can rapidly open eyelids and guarantee accurate water dripping.

Description

Technical Field

[0001] The utility model relates to the technical field of ophthalmic surgical instruments, in particular to a corneal water-dropping device in ophthalmic microsurgery. Background Art

[0002] Ophthalmic microsurgery is an emerging technology with advantages such as micro-incision, micro-trauma without suturing, less bleeding, self-closing wound, rapid postoperative healing, and reduced intraoperative and postoperative complications. Ophthalmic microsurgery takes less time, is less painful, and improves the precision of the surgery, which is deeply accepted and welcomed by the majority of patients with eye diseases. During ophthalmic microsurgery, it is necessary to apply water to the cornea to keep it moist and transparent, so as to facilitate clear observation of the positional relationship of the intraocular structure and facilitate accurate surgical operations.

[0003] The Chinese patent with the publication number CN219271308U discloses a corneal water drop device, comprising: a first end of a water inlet pipe is connected to a balancing liquid solution bag, a second end of the water inlet pipe is connected to a water inlet of a working pump, and a water outlet of the working pump is connected to a first end of a water outlet pipe; a first button is used to turn on or off a water drop control device, a second button is used to set the duration of each water drop, and a third button is used to set the interval time between two adjacent water drops; a controller is used to control the opening and closing of the working pump according to the duration and the interval time, and the working pump is used to transport the balancing liquid in the balancing liquid solution bag to the water outlet pipe via the water inlet pipe, so as to drip the balancing liquid into the eyes of the patient undergoing surgery.

[0004] Although the above-mentioned corneal water instillation device can adjust the duration and interval of water instillation according to the operation time and the patient's ocular surface condition to realize the automation of corneal water instillation, the device has a complex structure, is relatively troublesome to operate in practice, and is inconvenient to open the eyelids, making it difficult to ensure accurate water instillation. Therefore, it is urgently in need of improvement. Utility Model Content

[0005] The purpose of the utility model is to provide a corneal water instillation device in ophthalmic microsurgery to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a corneal water-injection device in ophthalmic microsurgery, comprising an infusion stand, a support rod, a transparent plastic box, an eyelid retractor and a liquid flow pump, wherein the transparent plastic box is arranged on one side of the infusion stand, the liquid flow pump is installed on the outer wall of the transparent plastic box away from the infusion stand, and a first silicone tube is installed at the input end of the liquid flow pump, and a second silicone tube is installed at the output end of the liquid flow pump, a motor is installed inside the transparent plastic box, and the output end of the motor is fixedly connected to the driving end of the liquid flow pump, a liquid guide tube is installed at the bottom end of the second silicone tube, the eyelid retractor is installed at the bottom end of the liquid guide tube, the support rod is arranged above the infusion stand, and the bottom end of the support rod extends to the inside of the infusion stand, a hook is fixed on the top of the support rod, and an infusion liquid bottle is hung at the bottom end of the hook, and an infusion tube is installed at the bottom end of the infusion liquid bottle, and the infusion tube is connected to the first silicone tube.

[0007] Preferably, an adjusting bolt is installed on the outer wall of the top of the infusion stand, and one end of the adjusting bolt extends to the inside of the infusion stand and fits tightly with the support rod, so as to facilitate the adjustment of the height of the support rod.

[0008] Preferably, a bracket is fixed on the outer wall of the transparent plastic box on the side close to the infusion stand, and a screw is installed on one side inside the bracket to facilitate the installation of the transparent plastic box on the infusion stand.

[0009] Preferably, a switch is installed on one side wall of the transparent plastic box to facilitate powering on the device.

[0010] Preferably, the expander body is made of a hollow metal material, which is strong and lightweight.

[0011] Preferably, the eyelid stretcher includes a stretcher body, a water outlet, and a metal plate. The stretcher body is installed at the bottom end of the liquid guide tube, the water outlets are all arranged on the surface of the stretcher body, and the metal plate is fixed on the outer wall of the stretcher body.

[0012] Preferably, there are four water outlet holes in total to facilitate uniform outflow of liquid.

[0013] Preferably, the metal plate is a smooth curved structure that better fits the eye structure.

[0014] Preferably, a foot controller is provided on one side of the bottom of the infusion stand, and a foot pedal is installed on the top of the foot controller. The foot controller is connected to the motor through a wire to facilitate the control of the motor.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the corneal water-dropping device in ophthalmic microsurgery can not only actively control the opening, closing and flow rate of the liquid flow pump, but also has a simple structure, convenient actual operation and low difficulty in use, and can quickly open the eyelids to ensure accurate water-dropping;

[0016] (1) The transparent plastic box, the motor, the liquid flow pump, the first silicone tube, the second silicone tube, the foot controller, the foot pedal, and the wire are provided. The liquid in the perfusion liquid bottle flows into the infusion tube due to gravity, and the liquid flows through the first silicone tube and flows through the liquid flow pump. The motor is controlled by stepping on the foot pedal on the foot controller. The motor drives the liquid flow pump. The opening, closing, and speed of the liquid flow pump can be controlled according to the degree of stepping. Through this design, the opening, closing, and flow rate of the liquid flow pump can be actively controlled. In addition, the structure is simple, the actual operation is convenient, and the use difficulty is low.

[0017] (2) By providing a liquid guide tube, an eyelid stretcher, a stretcher body, a water outlet, and a metal plate, the liquid flows out through the second silicone tube and flows into the liquid guide tube. The liquid guide tube guides the liquid into the stretcher body. The eyelid stretcher is used to stretch the upper and lower eyelids through the stretcher body and the metal plate, so that the liquid flows out through the water outlet and enters the eyelid, moistening the cornea, so that the eyelid can be quickly stretched, ensuring accurate water application. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0019] Figure 2 For the utility model Figure 1 The enlarged structural diagram at A in the middle;

[0020] Figure 3 This is a cross-sectional enlarged structural schematic diagram of the transparent plastic box of the utility model;

[0021] Figure 4 It is a schematic diagram of the enlarged structure of the eyelid retractor of the utility model;

[0022] Figure 5 For the utility model Figure 1 Enlarged structural diagram at B in the middle.

[0023] In the figure: 1. infusion stand; 2. adjusting bolt; 3. support rod; 4. hook; 5. perfusion liquid bottle; 6. infusion tube; 7. transparent plastic box; 8. catheter; 9. eyelid retractor; 901. retractor body; 902. water outlet; 903. metal plate; 10. bracket; 11. screw; 12. first silicone tube; 13. liquid flow pump; 14. second silicone tube; 15. switch; 16. motor; 17. foot controller; 18. pedal; 19. wire. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. All other embodiments obtained by ordinary technicians in the field without creative work based on the embodiments of the utility model shall fall within the scope of protection of the utility model.

[0025] See also Figure 1-5 The utility model provides an embodiment: a corneal water instillation device for ophthalmic microsurgery, comprising an infusion stand 1, a support rod 3, a transparent plastic box 7, an eyelid retractor 9 and a liquid flow pump 13, wherein the transparent plastic box 7 is arranged on one side of the infusion stand 1, the liquid flow pump 13 is installed on the outer wall of the transparent plastic box 7 away from the infusion stand 1, and the input end of the liquid flow pump 13 is installed with a first silicone tube 12, and the output end of the liquid flow pump 13 is installed with a second silicone tube 14, and the interior of the transparent plastic box 7 is arranged A motor 16 is installed, and the output end of the motor 16 is fixedly connected to the driving end of the liquid flow pump 13. A liquid guide tube 8 is installed at the bottom end of the second silicone tube 14. The eyelid retractor 9 is installed at the bottom end of the liquid guide tube 8. The eyelid retractor 9 includes a retractor body 901, a water outlet 902, and a metal plate 903. The retractor body 901 is installed at the bottom end of the liquid guide tube 8. The water outlet 902 is arranged on the surface of the retractor body 901. The metal plate 903 is fixed on the outer wall of the retractor body 901.

[0026] The support rod 3 is arranged above the infusion stand 1, and the bottom end of the support rod 3 extends to the inside of the infusion stand 1. A hook 4 is fixed to the top of the support rod 3, and a perfusion liquid bottle 5 is hung at the bottom end of the hook 4, and an infusion liquid tube 6 is installed at the bottom end of the perfusion liquid bottle 5, and the infusion liquid tube 6 is connected to the first silicone tube 12. A foot controller 17 is arranged on one side of the bottom of the infusion stand 1, and a foot pedal 18 is installed at the top of the foot controller 17;

[0027] An adjusting bolt 2 is installed on the outer wall of the top of the infusion stand 1, and one end of the adjusting bolt 2 extends to the inside of the infusion stand 1 and fits tightly with the support rod 3, so as to facilitate the adjustment of the height of the support rod 3;

[0028] A bracket 10 is fixed on the outer wall of the transparent plastic box 7 near the infusion stand 1, and a screw 11 is installed on one side of the inside of the bracket 10 to facilitate the installation of the transparent plastic box 7 on the infusion stand 1;

[0029] A switch 15 is mounted on one side wall of the transparent plastic box 7 to facilitate powering on the device;

[0030] The main body 901 of the spreader is made of hollow metal, which is strong and light;

[0031] There are four water outlet holes 902 to facilitate the uniform outflow of liquid;

[0032] The metal plate 903 is a smooth curved structure, which better fits the eye structure;

[0033] The foot controller 17 is connected to the motor 16 via a wire 19 to facilitate controlling the motor 16 .

[0034] When the embodiment of the present application is in use: first, the perfusion liquid bottle 5 is suspended on the support rod 3, and the liquid inside the perfusion liquid bottle 5 flows into the infusion tube 6 due to gravity, and the liquid flows through the first silicone tube 12 and flows through the liquid flow pump 13. By stepping on the pedal 18 on the foot controller 17, the motor 16 is controlled, and the motor 16 drives the liquid flow pump 13, so that the opening, closing and speed of the liquid flow pump 13 can be controlled. The control is carried out according to the degree of stepping, which is similar to the principle of the accelerator of a car. Through this design, the liquid flow pump 1 can be actively controlled 3 opening, closing and flow, and the structure is simple, the actual operation is convenient, and the difficulty of use is low. Secondly, the liquid flows out through the second silicone tube 14 and flows into the liquid guide tube 8, and the liquid guide tube 8 guides the liquid into the opener body 901. The eyelid opener 9 is used to open the upper and lower eyelids through the opener body 901 and the metal plate 903, so that the liquid flows out through the water outlet 902 and enters the eyelid to moisten the cornea. The design of the eyelid opener 9 can quickly open the eyelid to ensure accurate water application.

Claims

1. A corneal water instillation device for ophthalmic microsurgery, characterized in that: The invention comprises an infusion stand (1), a support rod (3), a transparent plastic box (7), an eyelid retractor (9) and a liquid flow pump (13), wherein the transparent plastic box (7) is arranged on one side of the infusion stand (1), the liquid flow pump (13) is installed on the outer wall of the transparent plastic box (7) on the side away from the infusion stand (1), and a first silicone tube (12) is installed at the input end of the liquid flow pump (13), and a second silicone tube (14) is installed at the output end of the liquid flow pump (13), and a motor (16) is installed inside the transparent plastic box (7), and the output end of the motor (16) is connected to the infusion stand (1). The second silicone tube (14) is fixedly connected to the driving end of the liquid flow pump (13); a liquid guide tube (8) is installed at the bottom end of the second silicone tube (14); the eyelid retractor (9) is installed at the bottom end of the liquid guide tube (8); the support rod (3) is arranged above the infusion stand (1); the bottom end of the support rod (3) extends to the inside of the infusion stand (1); a hook (4) is fixed to the top of the support rod (3); an infusion bottle (5) is hung at the bottom end of the hook (4); and an infusion tube (6) is installed at the bottom end of the infusion bottle (5); the infusion tube (6) is connected to the first silicone tube (12).

2. The corneal water instillation device for ophthalmic microsurgery according to claim 1, characterized in that: An adjusting bolt (2) is installed on the outer wall at the top of the infusion stand (1), and one end of the adjusting bolt (2) extends into the interior of the infusion stand (1) and fits tightly with the support rod (3).

3. The corneal water instillation device for ophthalmic microsurgery according to claim 1, characterized in that: A bracket (10) is fixed on the outer wall of the transparent plastic box (7) on the side close to the infusion stand (1), and a screw (11) is installed on one side inside the bracket (10).

4. The corneal water instillation device for ophthalmic microsurgery according to claim 1, characterized in that: A switch (15) is installed on one side wall of the transparent plastic box (7).

5. The corneal water instillation device for ophthalmic microsurgery according to claim 1, characterized in that: The eyelid retractor (9) comprises a retractor body (901), a water outlet hole (902), and a metal plate (903); the retractor body (901) is installed at the bottom end of the liquid guide tube (8); the water outlet holes (902) are all arranged on the surface of the retractor body (901); and the metal plate (903) is fixed on the outer wall of the retractor body (901).

6. The corneal water instillation device for ophthalmic microsurgery according to claim 5, characterized in that: The expander body (901) is made of a hollow metal material.

7. The corneal water instillation device for ophthalmic microsurgery according to claim 5, characterized in that: There are four water outlet holes (902) in total.

8. The corneal water instillation device for ophthalmic microsurgery according to claim 5, characterized in that: The metal plate (903) is a smooth curved structure.

9. The corneal water instillation device for ophthalmic microsurgery according to claim 1, characterized in that: A foot controller (17) is provided on one side of the bottom of the infusion stand (1), and a foot pedal (18) is installed on the top of the foot controller (17). The foot controller (17) is connected to the motor (16) via a wire (19).

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