CN110503880B

CN110503880B - Detachable ophthalmic cornea suture model

Info

Publication number: CN110503880B
Application number: CN201910647479.0A
Authority: CN
Inventors: 李林; 董南; 尚利晓
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2021-09-03
Anticipated expiration: 2039-07-17
Also published as: CN110503880A

Abstract

The invention discloses a detachable ophthalmic cornea suture model, which comprises an eye muscle tissue, wherein an implanting groove is further formed in the middle of the upper end of the eye muscle tissue, an eye horn mould implanting bed is placed in the implanting groove, a supporting frame is arranged below the eye horn mould implanting bed, first threaded columns extending into the supporting frame penetrate through the left end and the right end of the top of the eye muscle tissue, a locking nut is arranged between the upper end of each first threaded column and the contact surface of the eye muscle tissue, the eye muscle tissue is fixed on the supporting frame by using the locking nut, then the eye muscle tissue is spread to a proper size by using four claws on two supporting rods, a threaded inserting rod is manually rotated to be inserted into a proper limit hole, the fixing work of the claw position can be realized, then the eye horn mould implanting bed is placed in the implanting groove, an eye cornea to be sutured is placed on the eye horn mould implanting bed by using pliers, finally, the cornea is sutured manually.

Description

Detachable ophthalmic cornea suture model

Technical Field

The invention relates to the technical field of ophthalmic cornea suturing models, in particular to a detachable ophthalmic cornea suturing model.

Background

Eyes are small in size and complex in structure, and the traditional ophthalmological teaching aid is an amplification model of an eye structure and a functional model in visual optics. The material of these teaching aids is often hard plastic, which can only be observed and cannot be manipulated. The cornea laceration is a common eye trauma, the cornea is an important refractive medium of an eyeball and is positioned on the surface of the eyeball, and the quality of suturing the cornea laceration directly determines the size of a postoperative cornea scar and the astigmatism condition. At present, the cornea suturing operation is mainly practiced by animal eyes, such as cow eyes, and the method has the defects of poor repeatability, high requirement on storage conditions, limited supply quantity and the like. A detachable ophthalmic corneal suture model was developed to solve the above problems.

Disclosure of Invention

The present invention is directed to a detachable ophthalmic corneal suture model to solve the above-mentioned problems of the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a detachable ophthalmology cornea suture model, includes the eye flesh tissue, the eye flesh tissue is the silica gel material, and the eye flesh tissue is the spheroid, the implantation groove has still been seted up at the upper end middle part of eye flesh tissue, the bed is implanted to the canthus mould has been placed to the inside of implantation groove, place in the bed is implanted to the canthus mould and wait to sew up the cornea, wait to sew up the cornea and include epitheca cell layer, preceding elastic layer, matrix layer, back elastic layer and endothelial cell layer by outer to interior, the epitheca cell layer is the scaly silica gel structure, preceding elastic layer and back elastic layer are the transparent film structure, the matrix layer is collagen fiber bundle sheet structure, the below of bed is implanted to the canthus mould is equipped with the support frame, and both ends all run through the first screw thread post that stretches into to the support frame inside about the top of eye flesh tissue, be equipped with lock nut between the contact surface of the upper end of first screw thread post and eye flesh tissue, the both sides wall fixed welding of support frame has the model platform of sewing up, both ends all are equipped with the bracing piece that is located the model platform top of sewing up around the eye flesh tissue, every equal sliding connection in both ends has the hook of hooking the inside eye flesh tissue about the bracing piece, the quantity of hook is four, and per two hooks are a set of, two the pull rod has all been welded in the outside of bracing piece, spacing hole has been seted up to a lateral wall equidistance of pull rod, the equal spiro union in both ends has the screw inserted rod about the right lateral wall of the model platform of sewing up, the medial extremity of screw inserted rod is pegged graft in the inside in spacing hole.

Preferably, the first threaded column and the lock nut are both of plastic structures.

Preferably, cushion blocks are arranged at four corner positions at the bottom of the sewing model platform.

Preferably, the two support rods are provided with sliding grooves along the inner side walls of the length direction, each sliding block matched with the corresponding sliding groove is arranged on the outer side wall of each hook claw, and the sliding blocks are connected with the sliding grooves through locking screws.

The sliding groove and the sliding block are arranged, so that the position of the hook claw on the supporting rod can be conveniently adjusted, and eye muscle tissues with different sizes can be unfolded.

Preferably, the below of knuckle is equipped with three hornblocks, the silica gel ball that pastes mutually with eye flesh tissue has been cup jointed to the lower extreme of three hornblocks, the shrinkage pool has been seted up to an inner wall of silica gel ball, the screw hole that flushes mutually with the shrinkage pool is seted up to another lateral wall of silica gel ball, the jack that aligns with shrinkage pool, screw hole is seted up to the below of three hornblocks, it has the screw thread post with screw hole looks adaptation to peg graft in shrinkage pool and the jack.

The silicone ball is arranged below the hook claw, so that eye tissue muscles can not be hooked when the hook claw props the eye tissue muscles, and the second threaded column matched with the threaded hole is inserted in the concave hole and the jack, so that the fixed installation of the triangular block and the silicone ball is conveniently realized.

Preferably, the silica gel ball is provided with a silica gel limiting rod on the side wall close to the inner wall of the eye muscle tissue, the inside of the eye muscle tissue is provided with a limiting groove, and the silica gel limiting rod is inserted into the limiting groove.

The position of the silica gel ball is conveniently limited by the limiting open groove and the silica gel limiting rod, so that the silica gel ball is prevented from sliding out of eye tissue muscles.

Compared with the prior art, the invention has the beneficial effects that: this detachable ophthalmology cornea suture model, can temper the operation is sewed up to the cornea of equidimension eyes not on this model, because the flesh tissue of eye adopts the silica gel material preparation, only need take the flesh tissue of not equidimension eye when using, insert the first screw thread post that extends on the support frame through the both ends at the flesh tissue of eye, reuse lock nut with the flesh tissue of eye fix on the support frame, it struts to suitable size to come the flesh tissue of eye with four claws on two bracing pieces afterwards, manual rotatory screw insertion rod makes it insert to suitable spacing hole in, can realize the fixed work of claw position, implant the bed and place the implantation inslot to the canthus mould afterwards, reuse pliers places the cornea of waiting to sew up on the canthus mould implantation bed, the manual operation of sewing up of the cornea of carrying on at last can.

The threaded inserted bar is inserted in different limiting holes, so that the size of the opened eye muscle tissue can be conveniently adjusted.

The invention can disassemble and assemble the model according to eye muscle tissues of eyes with different sizes, and can realize the cornea suture operation of eyes with different sizes.

According to the invention, the screw is loosened, and the sliding block is manually operated to move on the sliding groove, so that the position of the hook claw on the supporting rod can be adjusted.

According to the invention, the silica gel ball is arranged below the hook claw, so that eye tissue muscles can not be hooked when the hook claw props up the eye tissue muscles, and the second threaded column matched with the threaded hole is inserted in the concave hole and the jack, so that the fixed installation of the triangular block and the silica gel ball is conveniently realized.

Drawings

FIG. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic diagram of the cornea structure of an eye to be sutured according to the present invention.

Fig. 4 is an enlarged schematic view of the structure at a in fig. 2 according to the present invention.

In the figure: 1. implanting into a groove; 2. a support frame; 3. an ocular angle mold implantation bed; 4. eye muscle tissue; 5. sewing the model platform; 6. cushion blocks; 7. a support bar; 8. a pull rod; 9. a limiting hole; 10. A slider; 11. the cornea of the eye is to be sutured; 111. an epithelial cell layer; 112. a front elastic layer; 113. A substrate layer; 114. a rear elastic layer; 115. an endothelial cell layer; 12. a threaded bayonet; 13. Locking the nut; 14. a first threaded post; 15. a hook claw; 16. a chute; 17. a triangular block; 18. A silica gel ball; 19. a threaded hole; 20. a jack; 21. concave holes; 22. limiting and slotting; 23. a silica gel limiting rod; 24. a second threaded post.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a detachable ophthalmology cornea suturing model, includes eye muscle tissue 4, eye muscle tissue 4 is the silica gel material, and eye muscle tissue 4 is the spheroid, implanted groove 1 has still been seted up at the upper end middle part of eye muscle tissue 4, implanted groove 1's inside has been placed the cornea mould and has been implanted bed 3, place in the cornea mould implantation bed 3 and wait to sew up cornea 11, wait to sew up cornea 11 and include epithelial cell layer 111, preceding elastic layer 112, matrix layer 113, back elastic layer 114 and endothelial cell layer 115 by outer to interior, epithelial cell layer 111 is the squamous silica gel structure, preceding elastic layer 112 and back elastic layer 114 are the transparent film structure, matrix layer 113 is collagen fiber sheet structure, the below of eye cornea mould implantation bed 3 is equipped with support frame 2, and both ends all run through the first screw thread column 14 that stretches into support frame 2 inside about the top of eye muscle tissue 4, be equipped with lock nut 13 between the contact surface of the upper end of first screw thread post 14 and eye muscle tissue 4, the both sides wall fixed weld of support frame 2 has suture model platform 5, the structure both ends all are equipped with the bracing piece 7 that is located suture model platform 5 top around the eye muscle tissue 4, every equal sliding connection in both ends has the hook 15 of hooking the inside of eye muscle tissue 4 about bracing piece 7, the quantity of hook 15 is four, and per two hook 15 are a set of, two the outside of bracing piece 7 all welds pull rod 8, spacing hole 9 has been seted up to a lateral wall equidistance of pull rod 8, the equal spiro union in both ends has screw inserted bar 12 about the right side wall of suture model platform 5, the medial extremity of screw inserted bar 12 is pegged graft in the inside of spacing hole 9. The threaded inserted bar 12 is inserted in different limiting holes 9, so that the size of the eye muscle tissue 4 which is expanded can be conveniently adjusted.

Specifically, the first threaded column 14 and the lock nut 13 are both of plastic structures.

Specifically, cushion blocks 6 are mounted at four corner positions at the bottom of the sewing model platform 5.

Specifically, two the inside wall of bracing piece 7 along length direction has all seted up spout 16, every the lateral wall of hook 15 all is equipped with and spouts 16 assorted slider 10, slider 10 leads to the locking screw with spout 16 and connects. The slide block 10 and the sliding groove 16 are arranged to facilitate the adjustment of the position of the claw 15 on the support rod 7, and the slide block 10 is conveniently fixed on the sliding groove 16 by arranging a locking screw.

Specifically, the below of knuckle 15 is equipped with three hornblocks 17, three hornblocks 17's lower extreme cup joints the silica gel ball 18 that pastes mutually with eye muscle tissue 4, shrinkage pool 21 has been seted up to a inner wall of silica gel ball 18, the screw hole 19 that flushes mutually with shrinkage pool 21 is seted up to another lateral wall of silica gel ball 18, three hornblocks 17's below is seted up with shrinkage pool 21, screw hole 19 jack 20 that aligns mutually, it has the second screw thread post 24 with screw hole 19 looks adaptation to peg graft in shrinkage pool 21 and the jack 20.

Specifically, be equipped with silica gel gag lever post 23 on the lateral wall of 4 inner walls of eye muscle tissue of silica gel ball 18, spacing fluting 22 has been seted up to the inside of eye muscle tissue 4, silica gel gag lever post 23 is pegged graft inside spacing fluting 22.

When the model is used specifically, the cornea suturing operation of eyes with different sizes can be exercised on the model, because the eye muscle tissue 4 is made of silica gel materials, the eye muscle tissue 4 with different sizes only needs to be taken when the model is used, the eye muscle tissue 4 is fixed on the support frame 2 by using the locking nut 13 through inserting the first threaded columns 14 extending to the support frame 2 at the two ends of the eye muscle tissue 4, then the eye muscle tissue 4 is propped open to a proper size by using the four hooks 15 on the two support rods 7, the threaded insertion rod 12 is manually rotated to be inserted into the proper limit hole 9, the fixing work of the position of the hook 15 can be realized, then the canthus mold implantation bed 3 is placed in the implantation groove 1, then the canthus mold implantation bed 3 is used for placing the canthus mold 11 to be sutured on the canthus mold implantation bed 3, and finally the cornea suturing operation is manually carried out.

The invention can disassemble and assemble the model according to the eye muscle tissues 4 of the eyes with different sizes, and can realize the cornea suture operation of the eyes with different sizes.

The invention utilizes manual operation to move the sliding block 10 on the sliding groove 16 by loosening the screw, so as to adjust the position of the claw 15 on the supporting rod 7.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A detachable ophthalmic corneal stitch model, comprising ocular musculature (4), characterized by: eye muscle tissue (4) are the silica gel material, and eye muscle tissue (4) are the spheroid form, implantation groove (1) has still been seted up at the upper end middle part of eye muscle tissue (4), implantation groove (1) inside has placed eye angle mould implantation bed (3), place in eye angle mould implantation bed (3) and wait to sew up eye cornea (11), wait to sew up eye cornea (11) by outer to interior including epitheca cell layer (111), preceding elastic layer (112), matrix layer (113), back elastic layer (114) and endothelial cell layer (115), epitheca cell layer (111) are the scaly silica gel structure, preceding elastic layer (112) and back elastic layer (114) are the transparent film structure, matrix layer (113) are collagen fiber bundle sheet structure, the below of eye angle mould implantation bed (3) is equipped with support frame (2), and both ends all run through the first screw thread post (14) that stretch into support frame (2) inside about the top of eye muscle tissue (4), a locking nut (13) is arranged between the upper end of the first threaded column (14) and the contact surface of the eye muscle tissue (4), two side walls of the support frame (2) are fixedly welded with a suture model platform (5), the front end and the rear end of the eye muscle tissue (4) are respectively provided with a support rod (7) positioned above the top of the suture model platform (5), the left end and the right end of each support rod (7) are respectively connected with a hook claw (15) for hooking the inside of the eye muscle tissue (4) in a sliding manner, the number of the hook claws (15) is four, every two hook claws (15) form a group, the outer sides of the two support rods (7) are respectively welded with a pull rod (8), one side wall of each pull rod (8) is provided with limit holes (9) at equal intervals, the upper end and the lower end of the right side wall of the suture model platform (5) are respectively screwed with a threaded inserted rod (12), and the inner side end of each threaded inserted rod (12) is inserted into the corresponding limit hole (9), a triangular block (17) is arranged below the hook claw (15), the lower end of the triangular block (17) is sleeved with a silica gel ball (18) which is attached to the eye muscle tissue (4), one inner wall of the silica gel ball (18) is provided with a concave hole (21), the other side wall of the silica gel ball (18) is provided with a threaded hole (19) which is flush with the concave hole (21), the lower part of the triangular block (17) is provided with an insertion hole (20) aligned with the concave hole (21) and the threaded hole (19), a second threaded column (24) matched with the threaded hole (19) is inserted in the concave hole (21) and the jack (20), a silica gel limiting rod (23) is arranged on the side wall of the silica gel ball (18) close to the inner wall of the eye muscle tissue (4), the eye muscle tissue (4) is internally provided with a limiting open slot (22), and the silica gel limiting rod (23) is inserted into the limiting open slot (22).

2. An ophthalmic detachable corneal suture model according to claim 1, wherein: the first threaded column (14) and the locking nut (13) are both of plastic structures.

3. An ophthalmic detachable corneal suture model according to claim 1, wherein: cushion blocks (6) are arranged at four corner positions at the bottom of the sewing model platform (5).

4. An ophthalmic detachable corneal suture model according to claim 1, wherein: two spout (16) have all been seted up on bracing piece (7) along length direction's the inside wall, every the lateral wall of hook (15) all is equipped with and spout (16) assorted slider (10), slider (10) lead to the locking screw with spout (16) and connect.

5. An ophthalmic detachable corneal suture model according to claim 1, wherein: the stroma layer (113) occupies ninety percent of the posterior end of the cornea (11) of the eye to be sutured.