Device for simulating capsulorhexis operation
By designing a device that combines a workbench and film to simulate incisions, the lack of simple and easy simulation bag tearing training in the prior art is solved, and convenient hand-feeling training tools are provided, suitable for a variety of venues, enhancing the authenticity and universality of training.
Patent Information
- Application Number
- CN202422186435.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-06
- Publication Date
- 2025-08-15
- Estimated Expiration
- 2034-09-06
AI Technical Summary
The lack of simple and easy simulated continuous annular capsule tearing practice model and microscopic operating system in the prior art makes it difficult for beginners to effectively train their feel before cataract surgery, and the existing methods have high requirements for the site and equipment and are not universally applicable.
A device including a workbench, film and simulation incision was designed. By setting simulated side incisions and simulated main incisions at the edge of the table, combining film and capsule tearing forceps to simulate capsule tearing operations, providing convenient hand-feeling training tools.
The device is convenient for beginners to carry out simulated training of bag tearing operations. It covers a small area, is simple to use, and is affordable. It is suitable for a variety of sites, is not restricted by equipment, and can be equipped with a microscope imaging system to enhance the authenticity of the training.
Smart Images
Figure CN223230047U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of ophthalmic medical devices, and in particular to a device for simulating a capsulorrhexis operation. Background Art
[0002] One of the key steps in cataract surgery is the continuous curvilinear capsulotomy. Before performing the procedure on a patient, beginners should undergo simulated training to master the basic techniques and skills of the procedure. Currently, there are no comprehensive, easy-to-use models for simulating continuous curvilinear capsulotomy or systems for simulating the procedure under a microscope.
[0003] The continuous circular capsulotomy procedure requires the use of capsulotomy forceps to tear a circular opening approximately 5.5 mm in diameter on the anterior capsule of the cataract. The capsulotomy should be neither too large nor too small, and should not be torn, requiring extremely fine motor skills. Before performing a real capsulotomy on a cataract patient, beginners should undergo extensive simulation training to master the basic techniques and become familiar with the hand movements. Only after these simulations are fully mastered can the procedure be performed on a patient.
[0004] Currently, capsulotomy can be practiced on pig eyes. Virtual capsulotomy can be performed using computer VR technology. Alternatively, cherry tomatoes can be heated to potentially separate the peel and flesh, allowing for capsulotomy practice.
[0005] Using pig eyes for capsulotomy practice requires purchasing a large number of them, which is quite expensive. Since pig eyes are difficult to store, they must be used quickly during practice. Furthermore, the appropriate equipment to secure the pig eyes and a surgical microscope are required, which places particular demands on the site and is not easily feasible. Using computer VR technology for virtual capsulotomy practice requires the purchase or rental of specialized equipment and has specific requirements for the site, making it not universally applicable. To practice using cherry tomatoes, the capsulotomy is performed after first heating the cherry tomatoes to potentially separate the peel from the flesh. However, cherry tomatoes are difficult to secure and can easily roll during capsulotomy practice, making it difficult to perform. Furthermore, there are time limits for heating the tomatoes in boiling water; too long a time can cause the peel to burst, making the capsulotomy impossible. Utility Model Content
[0006] In order to solve the above technical problems, the purpose of the present invention is to provide a device for simulating capsulorrhexis that is easy to operate.
[0007] The technical solutions provided by this utility model are as follows:
[0008] A device for simulating a capsulotomy operation comprises a workbench and a film for simulating a cataract capsule, wherein the workbench has a flat tabletop and the film is fixed on the tabletop; a simulated side incision and a simulated main incision are further provided at the edge of the tabletop; a first slit is provided in the middle of the simulated side incision for toothed tweezers to be clamped in the simulated side incision or the tip of the tweezers to be inserted into the first slit in the middle of the simulated side incision to simulate fixing the eyeball during surgery; a second slit is provided in the middle of the simulated main incision for capsulotomy tweezers to pass through the second slit in the middle of the simulated main incision to simulate a capsulotomy operation.
[0009] Preferably, the film has first holes at the four corners, and the workbench surface is provided with corresponding second holes downward, and the film is fixed on the table surface by inserting rivets through the first holes into the second holes.
[0010] Preferably, the workbench comprises a hemispherical body, with a flat surface facing upwards to form a flat tabletop, and a plurality of legs connected to the lower part.
[0011] Preferably, it also includes a human face model, which has a forehead, eyes, nose, and mouth. A placement tube for placing the workbench is provided in the eyes. The upper part of the placement tube is hollow, and the lower part is provided with multiple fixed holes corresponding to the legs for inserting the legs.
[0012] Preferably, a magnifying table is further included, and the magnifying table is used to be placed above the human face model to simulate imaging under a microscope.
[0013] Preferably, the magnifying platform includes a magnifying table top and a plurality of supporting legs connected below the magnifying table top.
[0014] Compared with the existing technology, the device of the present invention for simulating capsulotomy operation can simulate the capsulotomy operation by setting up a workbench and a film for simulating the cataract capsule, and setting up simulated side incisions and simulated main incisions on the edge of the table, so as to facilitate beginners to perform capsulotomy hand training. It has a small footprint, is simple and easy to use, is affordable, and is not restricted in the use site. It can also be equipped with a simulation magnification system to more realistically present the surgical status under the microscope. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments recorded in this application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0016] Figure 1 This is a top view of a workbench in a device for simulating capsulorrhexis operation according to an embodiment of the present invention;
[0017] Figure 2 for Figure 1 a front view of the workbench shown;
[0018] Figure 3 for Figure 1 A top view of a membrane in a device shown for simulating a capsulorrhexis operation;
[0019] Figure 4 for Figure 1 A top view of the film, workbench, and rivets assembled in the device for simulating capsulorrhexis operation;
[0020] Figure 5 for Figure 4 The front view of the film, workbench and rivets after assembly;
[0021] Figure 6 for Figure 1 A three-dimensional view of the combined workbench, film, simulated side incision, and simulated main incision in the device for simulating capsulorrhexis operation;
[0022] Figure 7 for Figure 1 A top view of a human face model in a device for simulating a capsulorrhexis operation is shown;
[0023] Figure 8 for Figure 7 The front view of the face model shown;
[0024] Figure 9 for Figure 1 A three-dimensional diagram of a workbench and a human face model placement cylinder in a device for simulating a capsulorrhexis operation;
[0025] Figure 10 for Figure 1 A perspective view of a magnifying table in the apparatus shown for simulating a capsulorrhexis operation;
[0026] Figure 11 for Figure 1 Schematic diagram of the assembled device used to simulate the capsulorrhexis procedure. DETAILED DESCRIPTION
[0027] In order to help those skilled in the art better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making any creative efforts shall fall within the scope of protection of this application.
[0028] It should be noted that when an element is referred to as being “fixed on” or “set on” another element, it can be directly on the other element or indirectly set on the other element; when an element is referred to as being “connected to” another element, it can be directly connected to the other element or indirectly connected to the other element.
[0029] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.
[0030] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of technical features indicated. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. Throughout the description of this application, "plurality" or "several" means two or more, unless otherwise specifically defined.
[0031] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the efficacy and purpose that can be achieved by this application.
[0032] like Figures 1 to 11 As shown, an embodiment of the present invention provides a device for simulating a capsulorrhexis operation, comprising a workbench 1 , a film 2 , a human face model 3 , and an amplifying table 4 .
[0033] The workbench 1 is made of rubber of a certain hardness and is white in color. It includes a hemispherical body 11, with a flat surface 12 formed upward, and four second holes 13 provided downward on the surface. The diameter of the hemispherical surface 11 is approximately 40 mm. The edge of the surface is also provided with a simulated side incision 5 and a simulated main incision 6, which can be made of the same material and color as the workbench 1 and can be integrally formed or connected to the workbench 1 by bonding or other means. The simulated side incision 5 and the simulated main incision 6 are arranged upward along the vertical direction of the surface, with an angle of approximately 120° between them. A first slit 51 is provided in the middle of the simulated side incision 5 for the toothed forceps 7 to clamp the simulated side incision 5 or for the tip of the forceps to be inserted into the first slit 51 in the middle of the simulated side incision 5 to simulate the fixation of the eyeball during surgery. A second slit 61 is provided in the middle of the simulated main incision 6 for the capsulotomy forceps 8 to pass through the second slit 61 in the middle of the simulated main incision 6 to simulate the capsulotomy operation. Four cylindrical legs 14 are connected to the lower part of the hemispherical body 11.
[0034] Film 2 simulates the cataract capsule. It is square in shape, approximately 30 mm in side length, 0.2 mm thick, and light yellow in color. A circular red marker 21 with a diameter of approximately 15 mm is drawn in the center. Four first holes 22 are provided at the four corners of film 2, corresponding to the second holes. Rivets 23 are inserted through the first holes 22 and into the second holes 13 to secure film 2 to tabletop 12.
[0035] The face model 3 is made of soft rubber, providing some support. It is skin-colored, approximately 200 mm long, 150 mm wide, and 100 mm thick, and features a forehead 31, eyes 32, nose 33, and mouth 34. Inside the eyes 32 is a placement tube 35 for the workbench. The tube 35 is hollow at the top, and has four mounting holes 36 at the bottom, corresponding to the legs 14. To use the workbench, insert the cylindrical legs 14 at the bottom of the tube 35 into the corresponding mounting holes 36. Once securely in place, the workbench surface 12 and the top surface of the tube 35 are aligned.
[0036] The magnifying table 4 is placed above the face model 3 to simulate microscopic imaging. It comprises a magnifying table 41 and four supporting legs 42 connected to the bottom of the magnifying table 41. The magnifying table 41 is rectangular, approximately 250 mm long and 200 mm wide, with a magnification of approximately 4x. The supporting legs 42 are cylindrical, approximately 200 mm high.
[0037] The method of using the device for simulating capsulorrhexis in this embodiment is described as follows:
[0038] Before starting, prepare the cataract surgery capsulorhexis forceps 8 and toothed forceps 7;
[0039] First, take a piece of film 2 and place it on the workbench surface 12. Align the first holes 22 at the four corners of the film 2 with the corresponding second holes 13 of the workbench 1. Then insert the rivets 23 into the second holes 13 to fix them.
[0040] Insert the prepared workbench 1 into the placement tube 35 of the face model 3;
[0041] The magnifying table 4 is placed above the face model 3 to simulate the imaging under a microscope;
[0042] The operator's left hand 91 holds the toothed forceps 7 and clamps it on the simulated side incision 5 (or inserts the tip of the forceps into the first slit 51 in the middle of the simulated side incision) to simulate the role of fixing the eyeball during the operation; the right hand 92 holds the capsulotomy forceps 8, passes through the second slit 61 in the middle of the simulated main incision 6, and performs capsulotomy practice within the red circle mark 21 on the film 2.
[0043] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A device for simulating a capsulorrhexis operation, characterized in that: The invention comprises a workbench and a film for simulating the cataract capsule, wherein the workbench has a flat tabletop and the film is fixed on the tabletop; a simulated side incision and a simulated main incision are also provided at the edge of the tabletop; a first slit is provided in the middle of the simulated side incision for toothed tweezers to clamp the simulated side incision or for the tip of the tweezers to be inserted into the first slit in the middle of the simulated side incision to simulate the fixation of the eyeball during the operation; a second slit is provided in the middle of the simulated main incision for capsulotomy tweezers to pass through the second slit in the middle of the simulated main incision to simulate the capsulotomy operation.
2. The device for simulating capsulorrhexis according to claim 1, wherein: The film is provided with first holes at the four corners, and the workbench surface is provided with second holes correspondingly downward. The film is fixed on the workbench surface by inserting rivets through the first holes into the second holes.
3. The device for simulating capsulorrhexis according to claim 1, wherein: The workbench comprises a hemispherical body, a flat surface facing upwards to form a flat tabletop, and a plurality of legs connected to the lower part.
4. The device for simulating capsulorrhexis according to claim 3, wherein: It also includes a human face model, which has a forehead, eyes, nose, and mouth. A placement tube for placing a workbench is provided in the eyes. The upper part of the placement tube is hollow, and the lower part is provided with multiple fixed holes corresponding to the legs for inserting the legs.
5. The device for simulating capsulorrhexis according to claim 4, wherein: The device also includes a magnifying table, which is used to be placed above the human face model to simulate imaging under a microscope.
6. The device for simulating capsulorrhexis according to claim 5, wherein: The magnifying platform comprises a magnifying table and a plurality of supporting legs connected below the magnifying table.