Eye trauma treatment trainer
By designing an ocular trauma treatment training device, which uses limiting posts and clamping rings to fix the eyeball model, and combines elastic elements and clamping plate design to simulate the movement of the real eyeball, the problem of difficulty in obtaining pig eyes in existing technologies has been solved, and efficient ophthalmic surgery training results have been achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-03-20
AI Technical Summary
In existing technologies, pig eyes are difficult to obtain and costly, which cannot meet the practical training needs of ophthalmologists for microscopic corneal and scleral suturing, resulting in difficulties in training for the treatment of eye injuries.
An eye trauma treatment training device was designed, including an eyeball model and a fibrous membrane. The model is fixed by the cooperation of a limiting post and a clamping ring to simulate the structure of a real eyeball. The design of elastic elements and splints simulates eyeball movement, provides repeatable suturing practice, and uses a solution to simulate real tissue fluid to improve the training effect.
It enables repeatable practice of ophthalmic surgery, especially suture of fibrous membranes, improves the flexibility of training and the difficulty of close resemblance to actual suturing, reduces the difficulty of practice for beginners, and enhances the training effect.
Smart Images
Figure CN224020343U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to training device technical field, concretely is an eye trauma treatment training device. BACKGROUND
[0002] The eye structure is fine and fragile, and the treatment of eye trauma requires medical personnel to have professional knowledge and skilled operation skills. The fibrous membrane is the part that is easy to break in trauma, and the fibrous membrane is the structure that constitutes the outermost layer of the eyeball wall. The front 1 / 6 of the fibrous membrane of the eyeball wall is the cornea, which is completely transparent and located in the front part of the eyeball in the form of a transverse ellipse. The periphery is connected with the white anterior sclera, and the connected part is relatively thin. Most of the ophthalmic surgeries are performed under a microscope. Due to the particularity of the anatomical structure of the eyeball, the ophthalmic operation skill is unique to ophthalmology. The operation under the microscope, especially the corneal suture, is a basic skill that every ophthalmologist must master during the resident physician stage. However, due to the importance of the cornea in the refractive system, the level of corneal wound suture plays a decisive role in postoperative visual recovery. Therefore, to master the ophthalmic micro-operation skill well, a large amount of practical training is necessary. In order to improve the operation ability of students and junior doctors, the practice of suturing the cornea and the sclera under the microscope has become a necessary practical training in ophthalmology at present. Since the structure of the pig eye is similar to that of the human eye, the practice of fibrous membrane suture and microscope operation is usually carried out on fresh pig eyes (wet lab teaching).
[0003] However, the pig eye is difficult to obtain, has a high cost, is not conducive to preservation, and cannot be practiced at any time, and has various shortcomings. Therefore, in view of the above problems, an eye trauma treatment training device is proposed. UTILITY MODEL CONTENT
[0004] In order to make up for the deficiencies of the prior art and solve the technical problems proposed above, the utility model provides an eye trauma treatment training device.
[0005] The utility model solves its technical problems and adopts the technical scheme: the utility model discloses an eye trauma treatment training device, which comprises an eyeball model and a fibrous membrane. The outer side of the eyeball model is provided with a fixed shell. An opening is formed in the top of the fixed shell. The opening is used for the eyeball model to pass through the fixed shell. A groove is arranged on the outer side of the opening. A compression ring is arranged in the groove. The top of the fixed shell is tapped to form a thread. A threaded cap is threadedly connected to the outer side of the thread. The fixed shell comprises an upper shell and a lower shell. The opposite ends of the upper shell and the lower shell are connected by threads. A limiting column is fixedly connected to the inner bottom wall of the lower shell. A limiting sleeve is embedded and fixed to the bottom of the eyeball model. The limiting column and the limiting sleeve are inserted and connected.
[0006] Preferably, the eyeball model comprises vitreous body, lens, iris and anterior chamber, and the eyeball model is a silicon ball structure, the fiber membrane is a transparent cornea and a white sclera in an integrated structure, and the fiber membrane is a silicon film.
[0007] Preferably, a notch is formed in the top of the fixing shell, and the two sides of the compression ring are respectively outwardly protruded to form limiting protrusions, and a limiting groove is formed in the side wall of the groove corresponding to the limiting protrusions.
[0008] Preferably, the bottom of the fixing shell is fixedly connected with a support frame, the bottom end of the support frame is fixedly connected with an elastic member, and the bottom end of the elastic member is fixedly connected with a base.
[0009] Preferably, a bidirectional screw rod is rotatably connected to the center of the base, clamping plates are threadedly connected to the two sides of the bidirectional screw rod, and the bottom end of the clamping plate is slidably connected with the base.
[0010] Preferably, a clamping groove is formed in the upper side wall of the clamping plate, and the clamping groove is trapezoidal.
[0011] Preferably, a support rod is fixedly connected to the upper surface of the base, the top end of the support rod is fixedly connected with a solution cylinder, and the solution cylinder is higher than the fixing shell.
[0012] Preferably, a liquid guide pipe is fixedly connected to the bottom end of the solution cylinder, the other end of the liquid guide pipe is connected with the fixing shell, and a valve one is arranged on the surface of the liquid guide pipe.
[0013] Preferably, a liquid discharge pipe is fixedly connected to the bottom end of the fixing shell, and a valve two is arranged on the liquid discharge pipe.
[0014] The utility model discloses a kind of ophthalmic surgical training devices, including fixed shell, eyeball model, fiber membrane and compression ring, the fixed shell is hollow structure, and the eyeball model is fixedly connected in the fixed shell.
[0015] 1. The utility model discloses a fixing shell is inserted into the inside of limiting sleeve to fix eyeball model, prevent eyeball model from rotating when using, and the cooperation of compression ring and fixed shell clamps the fiber membrane, avoid the fiber membrane instability caused by cutting and pulling during the operation practice, and the fiber membrane can be replaced by removing screw cap and compression ring, realize the repeatability practice of ophthalmic surgery, especially fiber membrane suture, compared with prior art, make the eye trauma treatment training more simple and convenient.
[0016] 2. The utility model discloses a fixing shell is elastically supported by elastic member and base cooperation, can simulate the slight movement of human eyeball, make during the practice of suture surgery be closer to actual suture experiment, improve the difficulty of suture surgery, and when support frame is clamped by clamping groove, the position of support frame can be fixed, make the fixed shell keep fixed during practice, thereby reduce the difficulty of suture surgery, facilitate the practice of novice, improve the flexibility of device use. Attached Figure Description
[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0019] Figure 2 This is a schematic diagram of the fixed shell structure of this utility model;
[0020] Figure 3 This is a schematic diagram of the unfolded structure of the threaded cap and clamping ring of this utility model;
[0021] Figure 4 This is a cross-sectional view of the eyeball model of this utility model.
[0022] In the diagram: 1. Eyeball model; 2. Fiber membrane; 3. Fixed shell; 31. Upper shell; 32. Lower shell; 33. Limiting post; 4. Groove; 5. Pressing ring; 6. Threaded cap; 7. Notch; 8. Limiting protrusion; 9. Limiting groove; 10. Support frame; 11. Elastic element; 12. Base; 13. Bidirectional lead screw; 14. Clamping plate; 15. Slot; 16. Support rod; 17. Solution cylinder; 18. Liquid guide tube; 19. Valve 1; 20. Drain tube; 21. Valve 2; 22. Limiting sleeve. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.
[0024] Please see Figures 1-4As shown, an eye trauma rescue training device includes an eyeball model 1 and a fiber membrane 2, the outer side of the eyeball model 1 is provided with a fixed shell 3, the top of the fixed shell 3 is provided with an opening, the opening is used for the eyeball model 1 to pass through the fixed shell 3, the outer side of the opening is provided with a groove 4, the inside of the groove 4 is provided with a compression ring 5, the top of the fixed shell 3 is tapped to be provided with a thread, the outer side of the thread is threadedly connected with an annular threaded cap 6, the fixed shell 3 includes an upper shell 31 and a lower shell 32, the opposite ends of the upper shell 31 and the lower shell 32 are threadedly connected, the inner bottom wall of the lower shell 32 is fixedly connected with a limiting column 33, the bottom of the eyeball model 1 is embeddedly and fixedly provided with a limiting sleeve 22, the limiting column 33 is insertedly matched with the limiting sleeve 22.
[0025] Specifically, during installation, the upper shell 31 is unscrewed, the eyeball model 1 is placed in the lower shell 32, the limiting column 33 is inserted into the inside of the limiting sleeve 22, the upper shell 31 is threadedly connected with the lower shell 32, so as to fix the eyeball model 1, prevent the eyeball model 1 from rotating during use, the fiber membrane 2 is placed at the top end of the eyeball model 1, the compression ring 5 is placed in the inside of the groove 4, the threaded cap 6 is threadedly connected with the fixed shell 3, so that the threaded cap 6 fixes the compression ring 5, the fiber membrane 2 is clamped and fixed through the cooperation of the compression ring 5 and the fixed shell 3, which avoids unstable fixation of the fiber membrane 2 due to cutting and pulling during surgical practice, and the fiber membrane 2 can be replaced by removing the threaded cap 6 and the compression ring 5, so as to realize repeatable practice of ophthalmic surgery, especially suture of the fiber membrane 2.
[0026] The eyeball model 1 includes a vitreous body, a lens, an iris and an anterior chamber, and the eyeball model 1 is a silica gel spherical structure, the fiber membrane 2 is a transparent cornea and a white sclera in an integral structure, and the fiber membrane 2 is a silica gel film.
[0027] The top of the fixed shell 3 is provided with a notch 7, the two sides of the compression ring 5 are respectively outwardly protruded to form limiting protrusions 8, and the side wall of the groove 4 is provided with limiting grooves 9 corresponding to the limiting protrusions 8.
[0028] Specifically, the notch 7 facilitates the user to take out the compression ring 5, and during installation of the compression ring 5, the limiting protrusions 8 are aligned and placed in the inside of the limiting grooves 9, so as to prevent the compression ring 5 from rotating during installation.
[0029] The bottom of the fixed shell 3 is fixedly connected with a support frame 10, the bottom end of the support frame 10 is fixedly connected with an elastic member 11, the elastic member 11 adopts a fatigue-resistant spring, and the bottom end of the elastic member 11 is fixedly connected with a base 12.
[0030] Specifically, the fixed shell 3 is elastically supported and fixed through the cooperation of the elastic member 11 and the base 12, which can simulate slight movement of a human eyeball, so as to make the practice of suture surgery closer to actual suture experiment and improve the difficulty of suture surgery.
[0031] A bidirectional screw rod 13 is rotatably connected at the center of the base 12, and two clamping plates 14 are threadedly connected to the two sides of the bidirectional screw rod 13, respectively. The bottom end of each clamping plate 14 is slidably connected to the base 12, and a clamping groove 15 is formed in the upper side wall of each clamping plate 14. The clamping groove 15 is trapezoidal.
[0032] Specifically, by rotating the bidirectional screw rod 13 to drive the two clamping plates 14 to move synchronously towards each other or in opposite directions, the two clamping plates 14 can be opened to increase the difficulty of the suturing operation. When the support frame 10 is clamped by the clamping groove 15, the position of the support frame 10 can be fixed, so that the fixed shell 3 remains fixed during practice, thereby reducing the difficulty of the suturing operation and facilitating practice for beginners.
[0033] A support rod 16 is fixedly connected to the upper surface of the base 12, and a solution cylinder 17 is fixedly connected to the top end of the support rod 16. The solution cylinder 17 is higher than the fixed shell 3 and is spaced apart from the fixed shell 3 by a certain distance to avoid affecting the operation of the trainee. A liquid guide pipe 18 is fixedly connected to the bottom end of the solution cylinder 17, and the other end of the liquid guide pipe 18 is connected to the fixed shell 3. A valve 19 is mounted on the surface of the liquid guide pipe 18.
[0034] Specifically, a solution simulating ocular tissue fluid is added to the solution cylinder 17. The solution enters the fixed shell 3 through the liquid guide pipe 18 due to the pressure difference, and further flows between the eyeball model 1 and the fibrous membrane 2, simulating the real ocular tissue fluid. The flow rate of the solution in the liquid guide pipe 18 can be controlled by the valve 19.
[0035] A liquid discharge pipe 20 is fixedly connected to the bottom end of the fixed shell 3, and a valve 21 is mounted on the liquid discharge pipe 20.
[0036] Specifically, after the training is completed, the valve 21 is opened, so that the solution inside the fixed shell 3 is discharged through the liquid discharge pipe 20, facilitating the cleaning of the fixed shell 3.
[0037] The parts not involved in the device are the same as or can be realized by the existing technology.
[0038] The working principle is that when installed, the upper shell 31 is screwed open, the eyeball model 1 is placed in the lower shell 32, the limiting column 33 is inserted into the inside of the limiting sleeve 22, the upper shell 31 is screwed with the lower shell 32, so that the eyeball model 1 is fixed, the eyeball model 1 is prevented from rotating during use, the fiber membrane 2 is placed at the top end of the eyeball model 1, the compression ring 5 is placed in the groove 4, the threaded cap 6 is screwed with the fixed shell 3, so that the threaded cap 6 fixes the compression ring 5, the fiber membrane 2 is clamped and fixed by the cooperation of the compression ring 5 and the fixed shell 3, the fiber membrane 2 is prevented from being unstable due to cutting and pulling during the operation practice, and the fiber membrane 2 can be replaced by taking off the threaded cap 6 and the compression ring 5, so that the repeatability of the ophthalmic operation, especially the fiber membrane 2 suture, can be realized.
[0039] The fixed shell 3 is elastically supported by the cooperation of the elastic member 11 and the base 12, the slight movement of the human eyeball can be simulated, the practice of the suture operation is closer to the actual suture experiment, the difficulty of the suture operation is improved, the two clamping plates 14 can be opened to improve the difficulty of the suture operation by rotating the bidirectional screw rod 13 to drive the two clamping plates 14 to move synchronously towards each other or in the opposite direction, and the position of the support frame 10 can be fixed when the clamping groove 15 clamps the support frame 10, so that the fixed shell 3 remains fixed during the practice, thereby reducing the difficulty of the suture operation and facilitating the practice of beginners.
[0040] The solution simulating the ocular tissue fluid is added to the solution cylinder 17, the solution is made to flow into the fixed shell 3 through the liquid guide pipe 18 by pressure difference, and further flows between the eyeball model 1 and the fiber membrane 2, the real human eye tissue fluid is simulated, and the flow size of the solution in the liquid guide pipe 18 can be controlled by the valve 19.
[0041] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0042] The basic principle, main features and advantages of the present application have been shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.
Claims
1. An eye trauma treatment training device, comprising an eyeball model (1) and a fibrous membrane (2), characterized in that: A fixed housing (3) is installed on the outside of the eyeball model (1). The top of the fixed housing (3) has an opening for the eyeball model (1) to pass through the fixed housing (3). A groove (4) is provided on the outside of the opening. A clamping ring (5) is provided inside the groove (4). The top of the fixed housing (3) is tapped with a thread. An annular threaded cap (6) is threaded on the outside of the thread. The fixed housing (3) includes an upper housing (31) and a lower housing (32). The opposite ends of the upper housing (31) and the lower housing (32) are connected by threads. A limiting post (33) is fixedly connected to the inner bottom wall of the lower housing (32). A limiting sleeve (22) is embedded and fixedly provided at the bottom of the eyeball model (1). The limiting post (33) and the limiting sleeve (22) are inserted and engaged.
2. The eye trauma treatment training device according to claim 1, characterized in that: The eyeball model (1) includes the vitreous body, lens, iris and anterior chamber, and the eyeball model (1) is a silicone spherical structure. The fiber membrane (2) is a transparent cornea and a white sclera with an integral structure. The fiber membrane (2) is a silicone film.
3. The eye trauma treatment training device according to claim 1, characterized in that: The top of the fixed housing (3) is provided with a notch (7), and the two sides of the clamping ring (5) protrude outward to form a limiting protrusion (8). The side wall of the groove (4) is provided with a limiting groove (9) corresponding to the limiting protrusion (8).
4. The eye trauma treatment training device according to claim 3, characterized in that: The bottom of the fixed housing (3) is fixedly connected to a support frame (10), the bottom end of the support frame (10) is fixedly connected to an elastic element (11), and the bottom end of the elastic element (11) is fixedly connected to a base (12).
5. The eye trauma treatment training device according to claim 4, characterized in that: A bidirectional lead screw (13) is rotatably connected to the center of the base (12), and clamps (14) are threadedly connected to both sides of the bidirectional lead screw (13). The bottom end of the clamps (14) is slidably connected to the base (12).
6. The eye trauma treatment training device according to claim 5, characterized in that: The upper side wall of the clamp (14) is provided with a slot (15), and the slot (15) is trapezoidal.
7. The eye trauma treatment training device according to claim 4, characterized in that: A support rod (16) is fixedly connected to the upper surface of the base (12), and a solution cylinder (17) is fixedly connected to the top end of the support rod (16). The solution cylinder (17) is higher than the fixed shell (3).
8. The eye trauma treatment training device according to claim 7, characterized in that: The bottom end of the solution cylinder (17) is fixedly connected to a liquid guide tube (18), the other end of the liquid guide tube (18) is connected to the fixed housing (3), and a valve (19) is installed on the surface of the liquid guide tube (18).
9. The eye trauma treatment training device according to claim 8, characterized in that: The bottom end of the fixed housing (3) is fixedly connected to a drain pipe (20), and a valve (21) is installed on the drain pipe (20).