CN221486031U

CN221486031U - Eye model for training vitrectomy

Info

Publication number: CN221486031U
Application number: CN202323117904.6U
Authority: CN
Inventors: 曹珊珊; 刘勇
Original assignee: Air Force Specialty Medical Center of PLA
Current assignee: Air Force Specialty Medical Center of PLA
Priority date: 2023-11-20
Filing date: 2023-11-20
Publication date: 2024-08-06
Anticipated expiration: 2033-11-20

Abstract

The utility model discloses an eye model for training a vitrectomy surgery, which effectively realizes the purpose of intuitively simulating a cutting pad of the vitrectomy surgery, and comprises a supporting plate, wherein an angular diaphragm plate is arranged on the upper side of the supporting plate, a rear side Moban is arranged on the front side of the angular diaphragm plate, a rear side vein diaphragm plate is arranged on the front side of the rear side vein diaphragm plate, a rear side view diaphragm plate is arranged on the front side of the rear side retina, a vitrectomy sac is arranged on the front side of the rear side retina, an isolation wall is arranged in the vitrectomy sac, the interior of the vitrectomy sac is divided into a plurality of demonstration cavities by the isolation wall, a front side Moban is arranged on the front side of the rear side view diaphragm plate, a demonstration plate is arranged on the upper side of the front side vein diaphragm plate, and a color changing film is arranged on the upper side of the supporting plate.

Description

Eye model for training vitrectomy

Technical Field

The utility model relates to the technical field of medical appliances, in particular to an ophthalmic model for training vitrectomy.

Background

Vitrectomy is the surgical procedure of the retinal vitreous. Generally, vitreous opacity and retinopathy require vitrectomy treatment. At present, minimally invasive treatment is used, and the operation mode is to make three holes on the eyeball, wherein one hole is connected with a pipe, and steam and water maintain the shape and pressure of the eyeball. The second hole can be used for entering light, and the eyeball is illuminated like a searchlight. The third hole is to be used for cutting knife, scissors, tweezers, vitreous cutting head, etc. These instruments operate in the hole, cutting the vitreous and peeling the membrane. And (5) the operation field is clear under the illumination condition, and the operation is performed. Because of the particularity of the eyeball structure and the size, a great deal of study preparation work is needed by general medical staff before the operation, but the prior eyeball model is inconvenient to simulate the operation, and particularly, the simulation and visual observation are carried out on the feeding position and the direction of the vitrectomy, so that the eye model capable of observing and teaching the feeding direction of the vitrectomy is needed to solve the problems.

Disclosure of utility model

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the ophthalmic model for training the vitrectomy surgery, which is novel in structure, ingenious in conception and simple and convenient to operate, effectively realizes the purpose of intuitively simulating a cutting pad of the vitrectomy model, achieves the purpose of conveniently unfolding and demonstrating the model, increases the function of simulating the feeding direction and the position in the surgery, achieves the purpose of enabling the model to simulate more, and realizes the function of displaying the internal structure of a sclera clearly.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the ultraviolet radiation lamp comprises a supporting plate, wherein a cornea plate capable of sliding back and forth is arranged on the upper side of the supporting plate, a rear sclera plate capable of sliding back and forth along the supporting plate is arranged on the front side of the corner membrane plate, a rear vein membrane plate capable of moving back and forth is arranged on the front side of the rear vein membrane plate, a detachable iris membrane plate is arranged on the rear side of the rear vein membrane plate, a rear side view membrane plate capable of sliding back and forth is arranged on the front side of the rear retina plate, a detachable glass body bag is arranged on the front side of the rear retina plate, a plurality of partition walls are arranged in the glass body bag, the inside of the glass body bag is divided into a plurality of demonstration cavities by the partition walls, a front side Moban capable of sliding back and forth is arranged on the front side of the rear side view membrane plate, a rotatable front vein membrane is arranged in the front side of the front vein membrane plate, a rotatable front side view membrane is arranged in the front side of the front vein membrane plate, a rotatable demonstration plate is arranged on the upper side of the front vein membrane plate, a plurality of ultraviolet radiation lamp is arranged on the upper side of the supporting plate, and the ultraviolet radiation lamp is arranged on the ultraviolet radiation lamp.

Preferably, an L-shaped groove is formed in the supporting plate, a plurality of poking rods capable of sliding back and forth are arranged in the L-shaped groove, a first magnet is fixedly connected to the middle of each poking rod, and suction plates are respectively arranged on the front side and the rear side of the L-shaped groove and matched with the first magnet to form a structure of limiting of each poking rod.

Preferably, a gooseneck is fixedly connected to the left side of the supporting plate, the upper side of the gooseneck is fixedly connected with the ultraviolet spotlight, and the gooseneck and the supporting plate are mutually matched to form a structure with an adjustable ultraviolet spotlight position.

Preferably, the left side and the right side of the iris plate are respectively provided with a second magnet, the inner part of the rear side vein membrane plate is fixedly connected with a ciliary protruding plate, the middle part of the ciliary protruding plate is fixedly connected with a crystalline lens block, and the second magnets and the ciliary protruding plate are mutually matched to form a detachable structure of the iris plate.

Preferably, the left side and the right side of the iris plate are respectively and fixedly connected with a rotating block, and the front vein membrane plate and the front side looking membrane plate are both connected with the iris plate in a rotating way through the rotating blocks.

Compared with the prior art, the utility model has the following beneficial effects: 1. the utility model has the supporting plate, the corner membrane plate, the rear side consolidation membrane plate, the rear side vein membrane plate and the rear side view membrane plate, and can simulate the tissues of all parts of the eyeball so as to assist teaching. 2. The utility model has the demonstration board capable of reversing upwards, and marks can be made on the demonstration board during the teaching, so as to show the feeding direction and the position of the operation. 3. The utility model has the color-changing film and the ultraviolet spot lamp, and can simulate the feeding direction in operation by the ultraviolet spot lamp, thereby leading the corresponding position of the color-changing film to change in color and visually finding the position of the tissue through which the feeding passes. 4. The utility model has the attraction plate and the first magnet, so that the device can be more stable in the use process.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

Fig. 1 is a schematic view of the overall development state of the present utility model.

Fig. 2 is a schematic view of the overall closure state of the present utility model.

Fig. 3 is a schematic diagram of an explosive structure according to the present utility model.

FIG. 4 is a schematic view of the location of the ciliary plate in accordance with the present utility model.

In the figure: 1-backup pad, 2-angle lamina, 3-back side lamina, 4-back side lamina, 5-iris, 6-back side lamina, 7-vitreous sac, 8-septum, 9-demonstration cavity, 10-front side Moban, 11-front side lamina, 12-front side lamina, 13-demonstration plate, 14-color changing membrane, 15-ultraviolet spot light, 16-L-shaped groove, 17-toggle rod, 18-first magnet, 19-suction plate, 20-gooseneck, 21-second magnet, 22-ciliary process plate, 23-lens block, 24-rotating block.

Detailed Description

The following describes embodiments of the present utility model in further detail with reference to FIGS. 1-4.

In a first embodiment, as shown in fig. 1-4, the present invention includes a support plate 1, for the purpose of performing visual simulation on a cutting pad of a vitreous model, a cornea plate 2 capable of sliding back and forth is disposed on an upper side of the support plate 1, a rear sclera plate 3 capable of sliding back and forth along the support plate 1 is disposed on a front side of the cornea plate 2, a rear vein mask plate 4 capable of moving back and forth is disposed on a front side of the rear sclera plate 3, a detachable iris plate 5 is disposed on a rear side of the rear vein mask plate 4, a rear side view mask plate 6 capable of sliding back and forth is disposed on a front side of the rear vein mask plate 4, a detachable vitreous sac 7 is disposed on a front side of the rear retina, a plurality of partition walls 8 are disposed inside the vitreous sac 7, the partition walls 8 divide the inside of the vitreous sac 7 into a plurality of demonstration chambers 9, the vitreous sac 7 and the partition wall 8 are made of thicker transparent rubber materials, internal color can be observed, the agar solution can penetrate through a syringe needle and realize self sealing, agar solution is filled in the demonstration cavity 9, the agar solution can simulate the vitreous state in an eyeball, simulation demonstration can be carried out through suction of the syringe, the front side of the rear side view mask 6 is provided with a front side sclera plate 10 which can be connected in a sliding mode in a front-back mode, the front side consolidation mask 10 is internally provided with a rotatable front side vein mask 11, the front side vein mask 11 is internally provided with a rotatable front side view mask 12, the upper side of the front side sclera plate 10 is provided with a rotatable demonstration plate 13, the demonstration plate 13 is made of transparent materials, the upper side of the support plate 1 is provided with a plurality of color-changing films 14, and the color-changing films 14 are adhered to the cornea plate 2, the rear side sclera plate 3, the back side vein mask plate 4 and the back side view mask plate 6 are made of photochromic fiber materials, the color-changing film 14 is a fiber which changes color under the irradiation of ultraviolet light and the like, and can be reversibly changed back to the original color after the light disappears, so that the description is not needed, the upper side of the supporting plate 1 is provided with an ultraviolet spotlight 15 with an adjustable position, and the ultraviolet spotlight 15 is the prior art, so that the description is not needed;

When the device is used, the device can be placed at a proper position, then the angular diaphragm plate 2, the rear sclera plate 3, the rear vein diaphragm plate 4 and the rear side vein diaphragm plate 6 can be sequentially slid backwards, the front sclera plate 10 and the front vein diaphragm plate 11 can be rotated, at the moment, the device is in a model unfolding state, the eye ball structure can be demonstrated in detail, when the vitreous body excision demonstration is needed, pigment can be directly injected into the vitreous sac 7 through the injector, then the area needing to be cut can be irradiated through the ultraviolet spot lamp 15, the color change can be generated after the color change film 14 is irradiated in the irradiation process, and the position and the direction of feeding in the vitrectomy and the tissues and structures needing to pass through the eyeballs can be observed through the color change.

In the second embodiment, based on the first embodiment, as shown in fig. 1 to fig. 4, in order to achieve the purpose of conveniently unfolding the model for demonstration, an L-shaped groove 16 is formed in the support plate 1, a plurality of toggle rods 17 capable of sliding back and forth are arranged in the L-shaped groove 16, the lower sides of the cornea plate 2, the rear sclera plate 3, the rear vein membrane plate 4, the rear side net membrane plate 6 and the front consolidated membrane plate 10 are fixedly connected with the corresponding toggle rods 17, a first magnet 18 is fixedly connected to the middle of each toggle rod 17, an attraction plate 19 is respectively arranged on the front side and the rear side of the L-shaped groove 16, the attraction plate 19 and the first magnet 18 are mutually matched to form a limit structure of each toggle rod 17, and when the model is used, the position of each model part can be adjusted by pulling the toggle rods 17, and the first magnet 18 and the attraction plate 19 can be attracted mutually.

In the third embodiment, based on the second embodiment, as shown in fig. 1 to fig. 4, in order to achieve the purpose of simulating the feeding direction and position in the operation, a gooseneck 20 is fixedly connected to the left side of the support plate 1, the gooseneck 20 is in the prior art, however, the upper side of the gooseneck 20 is fixedly connected to the ultraviolet spot lamp 15, and the gooseneck 20 and the support plate 1 cooperate with each other to form a structure with an adjustable position of the ultraviolet spot lamp 15.

In the fourth embodiment, as shown in fig. 1 to fig. 4, in order to achieve the purpose of more simulation of the model, a second magnet 21 is respectively disposed on the left and right sides of the iris plate 5, a ciliary plate 22 is fixedly connected to the inside of the posterior vein diaphragm plate 4, a lens block 23 is fixedly connected to the middle portion of the ciliary plate 22, and the second magnet 21 and the ciliary plate 22 are mutually matched to form a detachable structure of the iris plate 5.

In the fifth embodiment, based on the fourth embodiment, as shown in fig. 1 to fig. 4, in order to achieve the purpose of clearly showing the internal structure of the sclera, a rotating block 24 is fixedly connected to each of the left and right sides of the iris plate 5, and the front vein mask 11 and the front side vein mask 12 are both rotatably connected to the iris plate 5 through the rotating blocks 24.

When the device is used, firstly, the device can be placed at a proper position, then the angular diaphragm plate 2, the rear sclera plate 3, the rear vein diaphragm plate 4 and the rear side view diaphragm plate 6 can be sequentially slid backwards, the front sclera plate 10 and the front vein diaphragm plate 11 can be rotated, at the moment, the device is in a model unfolding state, the eye ball structure can be specifically demonstrated, when the vitreous body excision demonstration is needed, pigment can be directly injected into the vitreous sac 7 through an injector, then the area needing to be cut can be irradiated through the ultraviolet spot lamp 15, the color change can be generated after the color change film 14 is irradiated in the irradiation process, and the position and the direction of feeding in the vitrectomy and the tissues and structures needing to pass through the eyeballs can be observed through the color change.

The utility model has novel structure, ingenious conception and simple and convenient operation, effectively realizes the purpose of intuitively simulating the cutting pad of the vitreous model through the design, achieves the purpose of conveniently unfolding the model for demonstration, increases the function of simulating the feeding direction and the position in operation, achieves the purpose of enabling the model to be more simulated, and realizes the function of clearly displaying the internal structure of the sclera.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. Ophthalmic model for vitrectomy surgical training, comprising a support plate (1), characterized in that: the utility model discloses a visual inspection device, which is characterized in that a cornea plate (2) capable of sliding back and forth is arranged on the upper side of a supporting plate (1), a rear sclera plate (3) capable of sliding back and forth is arranged on the front side of the cornea plate (2), a rear vein diaphragm plate (4) capable of sliding back and forth is arranged on the front side of the rear sclera plate (3), a detachable iris plate (5) is arranged on the rear side of the rear vein diaphragm plate (4), a rear side mesh diaphragm plate (6) capable of sliding back and forth is arranged on the front side of the rear vein diaphragm plate (4), a detachable vitreous body bag (7) is arranged on the front side of a rear retina, a plurality of partition walls (8) are arranged in the vitreous body bag (7), the partition walls (8) divide the interior of the vitreous body bag (7) into a plurality of demonstration cavities (9), a front 438624 (10) capable of sliding back and forth is arranged on the front side of the rear vein diaphragm plate (6), a rotatable front diaphragm plate (11) is arranged on the front side of the front vein diaphragm plate (10), a rotatable front diaphragm plate (11) is arranged on the front side of the front vein diaphragm plate (11), a rotatable front diaphragm plate (14) is arranged on the front side of the front diaphragm plate (11), an ultraviolet spotlight (15) with an adjustable position is arranged on the upper side of the supporting plate (1).

2. The vitrectomy surgical training ophthalmic model of claim 1, wherein: an L-shaped groove (16) is formed in the supporting plate (1), a plurality of poking rods (17) capable of sliding forwards and backwards are arranged in the L-shaped groove (16), a first magnet (18) is fixedly connected to the middle of each poking rod (17), attractive plates (19) are respectively arranged on the front side and the rear side of the L-shaped groove (16), and the attractive plates (19) and the first magnets (18) are mutually matched to form a limiting structure of each poking rod (17).

3. The vitrectomy surgical training ophthalmic model of claim 2, wherein: the left side fixedly connected with gooseneck (20) of backup pad (1), the upside and the ultraviolet shot-light (15) fixed connection of gooseneck (20), gooseneck (20) and backup pad (1) mutually support and form the adjustable structure in ultraviolet shot-light (15) position.

4. The vitrectomy surgical training ophthalmic model of claim 3, wherein: the iris diaphragm (5) is characterized in that a second magnet (21) is respectively arranged on the left side and the right side of the iris diaphragm (5), a ciliary protruding plate (22) is fixedly connected inside the rear side vein diaphragm (4), a lens block (23) is fixedly connected to the middle of the ciliary protruding plate (22), and the second magnet (21) and the ciliary protruding plate (22) are mutually matched to form a detachable structure of the iris diaphragm (5).

5. The vitrectomy surgical training ophthalmic model of claim 4, wherein: the left side and the right side of the iris plate (5) are respectively and fixedly connected with a rotating block (24), and the front side vein membrane plate (11) and the front side vein membrane plate (12) are both connected with the iris plate (5) in a rotating way through the rotating blocks (24).