Integrated preassembled amniotic membrane supporting structure

Abstract

The utility model discloses an integrated preassembly type amniotic membrane supporting structure which comprises a prefabricated groove, a conjunctival sac supporting ring, a conjunctival sac supporting ring, a conjunctival sac, a conjunctival sac, a conjunctival sac, a conjunctival sac, a conjunctival sac, a conjunctival sac, a conjunctival sac and a conjunctival sac, the wet biological amniotic membrane is arranged at the outer side end of the conjunctival sac supporting ring, the outer side of the wet biological amniotic membrane is connected with a silica gel ring binding belt in a binding mode, and the wet biological amniotic membrane makes contact with the prefabricated groove. The utility model belongs to the technical field of ophthalmology medical consumables, and aims to solve the problems that in the prior art, a wet biological amniotic membrane needs to be placed through an operation and needs to be fixed through sutures. The fixing device has the advantages that suture-free fixing of the wet biological amniotic membrane on the ocular surface can be achieved, the phenomenon that the wet biological amniotic membrane falls off can be effectively prevented, meanwhile, the effect of supporting the conjunctival sac to prevent palpebral adhesion is achieved, and different models are set for patients of different ages so that the wearing comfort of the patients can be improved.

Description

Technical Field

[0001] This utility model relates to the field of ophthalmic medical consumables technology, specifically to an integrated pre-installed amniotic membrane support structure. Background Technology

[0002] Stevens-Johnson syndrome (SJS), toxic epidermal necrolysis (TEN), and ocular chemical burns can cause severe ocular surface damage. The condition is dangerous and progresses rapidly. Acute treatment within two weeks of onset is crucial. If not managed properly, complications such as persistent corneal epithelial loss, corneal conjunctivalization, severe dry eye, and severe symblepharon may occur, posing an extremely high risk of blindness.

[0003] Amniotic membrane, as a novel biomaterial, shows promising application prospects in ocular surface reconstruction due to its anti-inflammatory and repair-promoting properties. Conventional amniotic membrane coverage requires suturing and fixing the amniotic membrane to the corneal and conjunctival surface of these patients within one week of onset. However, these patients often have life-threatening multi-system injuries in the early stages, making them unsuitable for microsurgical procedures, especially children who cannot cooperate with bedside surgical procedures. Furthermore, the presence of a conjunctival pseudomembrane in the acute phase, followed by symblepharon and persistent conjunctival sac narrowing, necessitates continuous adhesion separation, causing significant patient suffering. Once adhesions form, subsequent treatment becomes extremely difficult. Early placement of a rigid conjunctival sac support system combined with large-area amniotic membrane coverage can achieve comprehensive ocular surface reconstruction while inhibiting symblepharon and conjunctival sac narrowing.

[0004] Based on the above needs, there is an urgent clinical need for an integrated amniotic membrane-support ring product that can be quickly completed at the bedside, requires no sutures, and is pre-loaded. Utility Model Content

[0005] To address these issues, this invention provides an integrated pre-installed amniotic membrane support structure.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] According to a first aspect of this utility model, an integrated pre-installed amniotic membrane support structure includes:

[0008] A prefabricated groove is formed in the middle of the outer wall of the conjunctival sac support ring, and the first locking block is integrally and equally spaced inside the prefabricated groove;

[0009] The wet biological amnion is located at the outer end of the conjunctival sac support ring, and the outer side of the wet biological amnion is connected with a silicone ring tie, and the wet biological amnion is in contact with the pre-made groove.

[0010] A hollow groove is formed through the middle of the inner side of the conjunctival sac support ring.

[0011] Further, the conjunctival sac support ring is in the shape of an arch ring, and the conjunctival sac support ring is elongated in the direction of the parallel inner-outer connecting line.

[0012] Further, the silica gel ring lashing belt is connected with the prefabricated groove in a clamping manner, and the inner side end of the silica gel ring lashing belt is integrally fixedly provided with a second clamping block.

[0013] Further, the second clamping block is arranged at equal intervals on the inner side of the silica gel ring lashing belt, and the second clamping block is alternately arranged with the first clamping block.

[0014] Further, the longitudinal sections of the first clamping block and the second clamping block are both in the shape of a circular arc, and the first clamping block and the second clamping block are respectively connected with the two sides of the wet biological amniotic membrane.

[0015] The utility model has the advantages that:

[0016] 1. The silica gel ring lashing belt is used for fixing the wet biological amniotic membrane folded on the edge of the conjunctival sac support ring, so that the silica gel ring lashing belt has a good fixing and supporting effect on the wet biological amniotic membrane, and the wet biological amniotic membrane is fixed on the eye surface without suture;

[0017] 2. When the wet biological amniotic membrane is used for treatment, the wet biological amniotic membrane is folded on the edge of the conjunctival sac support ring, so that the wet biological amniotic membrane can cover the damaged area of the whole eye surface, such as the cornea, the bulbar conjunctiva, the palpebral conjunctiva and the lid margin, to avoid the contact between the wound surface and the eyelid, reduce the corneal epithelial shedding caused by blinking friction, and provide a protective environment;

[0018] 3. The first clamping block and the second clamping block are respectively connected with the two sides of the wet biological amniotic membrane, the inner wall surface of the wet biological amniotic membrane can be in contact with the first clamping block under the action of the silica gel ring lashing belt, the first clamping block and the second clamping block can enhance the fixing effect of the silica gel ring lashing belt, prevent the silica gel ring lashing belt from moving on the outer side of the wet biological amniotic membrane, and further prevent the wet biological amniotic membrane from falling off. DRAWINGS

[0019] Fig. 1 The utility model provides a front view sectional view of the integrated preassembled amniotic membrane support structure.

[0020] Fig. 2 The utility model provides the integrated preassembled amniotic membrane support structure's conjunctival sac support ring and silica gel ring lashing belt connection's whole sectional view.

[0021] Fig. 3 The utility model provides a front view of the integrated preassembled amniotic membrane support structure.

[0022] In the diagram: 1. Conjunctival sac support ring, 2. Prefabricated groove, 3. First locking block, 4. Wet biological amnion, 5. Silicone ligature, 6. Hollow groove, 7. Second locking block. Detailed Implementation

[0023] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0024] Example 1

[0025] like Figs. 1 to 3 As shown, the integrated pre-installed amniotic membrane support structure in the first aspect embodiment of this utility model includes: a conjunctival sac support ring 1 with an arched shape, and the parallel inner and outer canthal lines of the conjunctival sac support ring 1 being slightly longer to facilitate the conjunctival sac support ring 1 fitting with the conjunctival sac space. At the same time, the arched shape of the conjunctival sac support ring 1 is adapted to the curvature of the sclera in the conjunctival sac space. Meanwhile, a hollow groove 6 is opened through the inner middle of the conjunctival sac support ring 1 to facilitate the whole being worn on the ocular surface. The material of the conjunctival sac support ring 1 is PMMA (polymethyl methacrylate).

[0026] The prefabricated groove 2 is opened in the middle of the outer wall of the conjunctival sac support ring 1. The wet biological amniotic membrane 4 is set at the outer end of the conjunctival sac support ring 1. During treatment, the wet biological amniotic membrane 4 is folded over the edge of the conjunctival sac support ring 1 so that the wet biological amniotic membrane 4 can cover the entire ocular surface damaged area such as the cornea, bulbar conjunctiva, palpebral conjunctiva and eyelid margin, avoids the wound surface from contacting the eyelid, reduces corneal epithelial detachment caused by blinking friction, and provides a protective environment.

[0027] The outer side of the wet biological amniotic membrane 4 is connected by a silicone ring strap 5. The silicone ring strap 5 is connected to the pre-made groove 2 by a snap-fit ​​method, and the wet biological amniotic membrane 4 is in contact with the pre-made groove 2. The height of the pre-made groove 2 is 2mm and the depth is 1mm. The silicone ring strap 5 is made of high elastic silicone material with a thickness of 1mm and a width of 2mm. After the wet biological amniotic membrane 4 is folded, the silicone ring strap 5 is installed on the outer side of the wet biological amniotic membrane 4 in a bundling manner, and the silicone ring strap 5 and the wet biological amniotic membrane 4 are snapped into the pre-made groove 2. At this time, the silicone ring strap 5 has a good fixing and support effect on the wet biological amniotic membrane 4, realizing the sutureless fixation of the wet biological amniotic membrane 4 on the ocular surface.

[0028] The first clamping blocks 3 are integrally arranged at equal intervals in the inner part of the prefabricated groove 2, the second clamping blocks 7 are integrally fixed and installed at the inner side of the silica gel ring band 5, the second clamping blocks 7 are arranged at equal intervals at the inner side of the silica gel ring band 5, and the second clamping blocks 7 are alternately arranged with the first clamping blocks 3, the longitudinal sections of the first clamping blocks 3 and the second clamping blocks 7 are both arc-shaped, the first clamping blocks 3 and the second clamping blocks 7 are respectively connected with the two sides of the wet biological amniotic membrane 4, when the wet biological amniotic membrane 4 is fixed by the silica gel ring band 5, the end of the silica gel ring band 5 provided with the second clamping block 7 is inward, the hollow groove 6 is in contact with the outer surface of the wet biological amniotic membrane 4, and the inner wall surface of the wet biological amniotic membrane 4 is in contact with the first clamping block 3 under the action of the silica gel ring band 5, at this time, the first clamping block 3 and the second clamping block 7 can strengthen the fixing effect of the silica gel ring band 5, further prevent the wet biological amniotic membrane 4 from falling off, the conjunctival sac support ring 1 is a full ocular surface covering integrated pre-installed material, and after being taken out, it does not need to be assembled and sutured, the conjunctival sac support ring 1 and the wet biological amniotic membrane 4 are both materials with excellent biocompatibility, which ensures the safety and comfort of the ocular surface, and reduces the discomfort and rejection reaction of the patient.

Claims

1. An integrated pre-loaded amniotic membrane support structure, characterized by, The utility model relates to a kind of conjunctival sac support rings, including: Preformed groove (2) is opened in the middle part of the outer side wall of conjunctival sac support ring (1), and the inside of preformed groove (2) is integrally provided with first clamping block (3) at equal intervals; Wet state biological amnion (4) is arranged at the outer side end of conjunctival sac support ring (1), and the outside of wet state biological amnion (4) is tied with silica gel ring tie (5) in bundle, and wet state biological amnion (4) is contacted with preformed groove (2); Hollow groove (6) is opened through the inside middle part of conjunctival sac support ring (1).

2. The unitary pre-loaded amniotic membrane support structure of claim 1, wherein, The shape of the conjunctival sac support ring (1) is arranged as an arch ring, and the parallel inside and outside of the conjunctival sac support ring (1) is directionally elongated.

3. The unitary pre-loaded amniotic membrane support structure of claim 1, wherein, The silica gel ring tie (5) is connected with the preformed groove (2) in a clamping manner, and the inside end of the silica gel ring tie (5) is integrally fixedly installed with a second clamping block (7).

4. The unitary pre-loaded amniotic membrane support structure of claim 3, wherein, The second clamping block (7) is arranged at equal intervals on the inside of the silica gel ring tie (5), and the second clamping block (7) is arranged alternately with the first clamping block (3).

5. The unitary pre-loaded amniotic membrane support structure of claim 4, wherein, The longitudinal section of the first clamping block (3) and the second clamping block (7) is circular arc-shaped, and the first clamping block (3) and the second clamping block (7) are connected with the two sides of the wet state biological amnion (4) respectively.

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