TWI695716B - Diversion bracket for eyeball drainage - Google Patents

Abstract

A shunting bracket for drainage of the eyeball is composed of a biologically activated glass layer. The bracket body has an embedded structure and a catheter. The embedded structure and the catheter are integrally formed. The bracket body is embedded in the inner wall of the eyeball, which can reach Efficacy, and with the passage of time, the stent body will be gradually absorbed by the human body.

Description

Diversion bracket for eyeball drainage

The invention is a shunting bracket, especially a shunting bracket for draining the eyeball. By setting the bracket body on the side of the inner wall of the eyeball, the aqueous humor in the eyeball is discharged to achieve the purpose of reducing intraocular pressure.

The conventional shunt support used for the treatment of glaucoma is made of metal, silicone or plastic. Although the shunt support is small in size, the foreign body feels heavy, which will cause the wound to scab and cause discomfort to the eyes. In addition, if you want to remove the shunt support It is still necessary to perform another operation, and each operation has its risks. Therefore, with decades of experience in the industry, the inventor actively sought alternative materials and improved structures. After long-term countless trials and improvements, I finally found Alternative materials and improved structure.

The invention discloses a shunting bracket for drainage of eyeballs, comprising a bracket body, a tube body made of biologically activated glass fiber woven mixed collagen (Collagen), the bracket body having at least one embedded structure and a liquid guiding tube, the liquid guiding The inner wall of the tube is hollow, the embedded structure and the catheter are integrally formed, and the above-mentioned weaving according to different fibers can control the flow rate of the atrial fluid in the anterior chamber to reduce the intraocular pressure.

The invention discloses a shunting bracket for draining eyeballs, comprising a bracket body composed of at least one biologically activated glass layer, the bracket body having an embedded structure and a liquid guide tube, the The embedded structure and the catheter are integrally formed; the outer wall of the embedded structure is provided with at least one fixed structure; and the inner wall of the catheter is hollow, and the catheter is connected to the embedded structure.

With the above structure, the stent body made by the present invention can be drained out of the aqueous humor after being embedded in the inner wall of the side of the eyeball, thereby achieving the effect of reducing intraocular pressure; in addition, the stent system uses the Bioactive glass layer (Bioactive glass), the stent body has a good affinity for organisms, there is no foreign body sensation during assembly, and after a long period of time after the operation, the bioactive glass layer of the stent body will be absorbed by the body to form an internal Repair of original tubular soft tissue.

In addition, the holder body may also have a plurality of structures, the outer layer is the bioactive glass layer, the inner layer is a bioglass layer, the bioglass layer may be a high-density silicon content bioactive glass, or It is a bioinert glass; different materials according to the inner layer can control the strength of the stent body and the time the stent body is absorbed into the body by the living body.

10‧‧‧Bracket body

111‧‧‧Biologically activated glass layer

112‧‧‧biological glass layer

12‧‧‧Embedded structure

121‧‧‧Slot

1212‧‧‧Second channel

122‧‧‧Fixed structure

123‧‧‧tip

124‧‧‧Curved arc notch

13‧‧‧recess

14‧‧‧Drainage Department

141‧‧‧Catheter

16‧‧‧ reached the top edge

20‧‧‧Implant

31‧‧‧Front room

FIG. 1 is a perspective view of a scaffold body using bio-activated glass fiber braided mixed collagen according to the present invention

2 is a front perspective view of a bracket body according to a second embodiment of the invention

3 is a perspective schematic view of the bottom surface of the bracket body of the second embodiment of the invention

4 is a schematic cross-sectional view of a second embodiment of the present invention having a bioactive glass layer

4A is a schematic cross-sectional view of a second embodiment of the present invention having a bioactive glass layer and a bioglass layer

5 is a front perspective view of a third embodiment of the bracket body of the present invention

6 is a schematic cross-sectional view of a third embodiment of the present invention having a bioactive glass layer

6A is a schematic cross-sectional view of a third embodiment of the present invention having a bioactive glass layer and a bioglass layer

7 is a three-dimensional schematic view of the bracket body of the fourth embodiment of the present invention

7A is a schematic cross-sectional view of a stent body having a bioactive glass layer and a bioglass layer according to a fourth embodiment of the invention

8 is a schematic perspective view of a fifth embodiment of the stent body of the present invention

FIG. 8A is a side view of a bracket body according to a fifth embodiment of the invention

9 is a schematic diagram of the present invention using an implanter to insert the stent body of the first embodiment through the anterior chamber and embedded into the side of the inner wall of the eye

10 is a schematic diagram of the stent body of the second embodiment of the present invention to guide the flow of atrial fluid

Figure 11 is an enlarged schematic view of the circled part of Figure 10

12 is a schematic view of the third embodiment of the bracket body embedded in the side of the inner wall of the eye

Referring to FIG. 1, it is a shunting stent for draining eyeballs, including a stent body 10. The stent body 10 is a tube body made of biologically activated glass fiber braided with collagen. The stent body 10 has at least one embedded structure 12 and a guide Liquid tube 141, the inner wall of the liquid guide tube 141 is hollow, the embedded structure 12 and the liquid guide tube 141 are formed integrally, according to different fiber weaves, the flow rate of the liquid in the anterior chamber can be controlled to reduce the intraocular pressure In addition, it can be seen from the figure that the bracket body 10 does not have directionality, and both ends thereof can be used as the embedded structure 12.

Referring to FIGS. 2 to 4, a second embodiment of the present invention is disclosed, which is an eyeball row The water-shunting support is composed of at least one bioactive glass layer 111 to form a support body 10, the support body 10 has an embedded structure 12 and a liquid guide tube 141, the embedded structure 12 extends a liquid guide portion 14, the embedded structure 12 The holder body 10 is formed into an L shape with the liquid guiding portion 14. The liquid guiding portion 14 is provided with a liquid guiding tube 141 penetrating the liquid guiding portion 14; the bottom of the embedded structure 12 has a channel 121 and communicates with the guide The liquid tubes 141 are in communication and are L-shaped. The free end of the embedded structure 12 has a tip 123. The bottom of the tip 123 communicates with the channel 121 and a curved arc notch 124 is recessed. The outer side of the embedded structure 12 is provided with a plurality of Inverted fixed structure 122; the inner wall of the catheter 141 is hollow, and the nozzle is oval. However, the shape of the nozzle of the catheter 141 is not limited to an ellipse, but can also be round, hexagonal or The outer surface of the liquid guide tube 141 is a smooth plane. The length of the liquid guide tube 141 along the inner axis is less than 0.25 mm and the inner diameter is less than 0.2 mm. With the above structure, the stent body 10 can be dissolved in the living body within a few weeks to form endogenous tubular soft tissue repair.

FIG. 4A discloses a schematic diagram of the stent body 10 of the second embodiment having a double-layer structure. The bioactive glass layer 111 is located on the outer layer of the stent body 10, and the bioactive glass layer 111 is provided with a bioglass layer 112 on the inner layer. If the bio-glass layer 112 is a high-density silicon-content bioactive glass (Bioactive glass), it takes several months to dissolve in the living body. The bio-glass layer 112 may also be a bioinert glass. If the bio-glass layer 112 is bio-inert glass, the bio-glass layer 112 will not dissolve and will always exist in the living body.

FIGS. 5 and 6 show a schematic diagram of a third embodiment, which is a shunt support for eye drainage including a support body 10 composed of at least one biologically activated glass layer 111, the support body 10 having an embedded structure 12 and a liquid guide Tube 141, the embedded structure 12 extends A liquid guiding portion 14 is extended. The embedded structure 12 and the liquid guiding portion 14 make the holder body I-shaped. The liquid guiding portion 14 is provided with a liquid guiding tube 141 penetrating the embedded structure 12; the outer wall of the embedded structure 12 is provided There is at least one fixed structure 122 in the shape of a barb, and the embedding structure 12 is further provided with at least one second channel 1212, and both ends of the second channel 1212 pass through the embedding structure 12 and the liquid guiding portion 14 and loop The outer circumference of the liquid guiding tube 141 is arranged and its axial direction is parallel to the liquid guiding tube 141. A recess 13 is provided at the junction of the insertion structure 12 and the liquid guiding portion 14 so that it is on the side of the liquid guiding portion 14 Formation-abutting edge 16. In addition, it can be seen from the figure that the nozzle of the catheter 141 is circular, however, the shape of the nozzle of the catheter 141 is not limited to circular, and may be elliptical, hexagonal, or polygonal.

FIG. 6A discloses a schematic view of the third embodiment of the stent body 10 having a multilayer structure. The bioactive glass layer 111 is located on the outer layer of the stent body 10, and the bioactive glass layer 111 is provided with a bioglass layer 112 on the inner layer. The bio-glass layer 112 is bioactive glass with high density silicon content, or the bio-glass layer 112 can also be bioinert glass. If the bio-glass layer 112 is bio-activated glass with high-density silicon content, it will take several months to dissolve in the body; if the bio-glass layer 112 is bio-inert glass, the bio-glass layer 112 will not Dissolved, will always exist in the organism.

7 and 7A disclose a fourth embodiment of a stent body 10, the stent body 10 is formed by at least one bio-activated glass layer 111 and a bio-glass layer 112 through heat fusion, the bio-activated glass layer 111 is located in the bio The outer layer of the glass layer 112, the bio-glass layer 112 is bioactive glass with high density silicon content, or the bio-glass layer 112 can also be bioinert glass. If the biological glass layer 112 It is a high-density silicon-content bio-activated glass, it takes several months to dissolve in the body; if the bio-glass layer 112 is bio-inert glass, the bio-glass layer 112 will not dissolve, there will always be bio in vivo. The bracket body 10 has an embedded structure 12 and a liquid guide tube 141. The embedded structure 12 and the liquid guide tube 141 are formed integrally; the outer wall of the embedded structure 12 is provided with a plurality of fixed structures 122, and the fixed structures 122 are circular And the inner wall of the catheter 141 is hollow, and the catheter 141 is connected to the embedded structure 12.

FIG. 8 and FIG. 8A are schematic diagrams of a fifth embodiment of the present invention. At least one bio-activated glass layer 111 constitutes a stent body 10, the stent body 10 has an embedded structure 12 and a liquid guide tube 141, the embedded structure 12 and the The catheter 141 is integrally formed; the outer wall of the embedded structure 12 is provided with a plurality of fixed structures 122, and the fixed structures 122 are barbed; and the inner wall of the catheter 141 is hollow and both side walls are hollowed out, the guide The liquid tube 141 is connected to the embedded structure 12. Since the stent body 10 uses the bio-activated bioactive glass layer 111 as a material, the stent body 10 can be dissolved in the living body within a few weeks.

With the above structure, the stent body 10 can be embedded into the inner wall surface of the eyeball, and the aqueous humor can be led out through the catheter 141 to achieve the effect of reducing intraocular pressure. The stent body 10 is made of a glass material that can be absorbed by a living body Therefore, the stent body 10 has an affinity for biological characteristics, which can reduce the foreign body sensation after implantation on the inner wall surface of the eye, and the stent body 10 will be slowly absorbed by the organism over time, forming endogenous tubular soft tissue repair, not It is necessary to perform another operation to remove the stent body 10 from the inner wall of the eye.

9 to 12 are schematic diagrams of specific embodiments of the bracket body 10.

Referring to FIGS. 9 to 11 together with FIGS. 2 to 4A, first mount the stent body 10 on an implanter 20, through the anterior chamber 31 of the eyeball through the implanter 20, the tip 123 can enable the The stent body 10 is easier to enter the inner wall of the eyeball. When the stent body 10 is embedded on the side of the inner wall of the eyeball, the implant 20 is then turned slightly to adjust the angle so that the embedded structure 12 can be attached as horizontally as possible On the inner wall surface of the eyeball.

The embedding structure 12 of the stent body 10 of the second embodiment is embedded on the inner wall surface of the eyeball, and the catheter 141 is in communication with the anterior chamber 31, so that the atrial fluid inside the anterior chamber 31 can pass through The catheter 141 drains the anterior chamber 31 to reduce intraocular pressure.

12 and FIG. 5 to FIG. 6A, the embedding structure 12 of the stent body 10 of the third embodiment is embedded on the inner wall surface of the eyeball, and the catheter 141 is in communication with the anterior chamber 31 to make the anterior chamber Atrial fluid inside 31 can be discharged through the catheter 141 or the second channel 1212 to discharge the anterior chamber 31 to reduce intraocular pressure.

10‧‧‧Bracket body

111‧‧‧Biologically activated glass layer

12‧‧‧Embedded structure

122‧‧‧Fixed structure

123‧‧‧tip

124‧‧‧Curved arc notch

14‧‧‧Drainage Department

141‧‧‧Catheter

Claims (6)

A shunting bracket for draining eyeballs, comprising: a bracket body composed of at least one bioactive glass layer, the inner layer of the bioactive glass layer is provided with a bioactive glass (Bioactive glass) with high density silicon content or a bio-inert glass (Bioinert glass), the holder body has an embedded structure and a catheter, the embedded structure and the catheter are integrally formed; the outer wall of the embedded structure is provided with at least one fixed structure; and the catheter The inner wall of is hollow, and the catheter is connected to the embedded structure. The shunting bracket for eyeball drainage as described in item 1 of the patent application scope, wherein the embedded structure extends a liquid guiding portion, the embedded structure and the liquid guiding portion make the holder body L-shaped, and the liquid guiding portion is provided with a penetration The catheter of the liquid guide part; the bottom of the embedded structure has a channel and communicates with the catheter and is L-shaped; the free end of the embedded structure is a tip; the bottom of the tip communicates with the channel and is recessed A curved arc notch, the outer side of the embedded structure is provided with a plurality of fixed structures in the shape of a barb. The shunting bracket for eyeball drainage as described in item 1 of the patent scope, wherein the embedding structure extends a liquid guiding part, the embedding structure and the liquid guiding part make the holder body I-shaped, and the liquid guiding part is provided with a penetration The catheter of the embedding structure; the outer wall of the embedding structure is provided with at least one barb-shaped fixing structure, and the embedding structure is additionally provided with at least one second channel, and both ends of the second channel pass through the embedding The structure and the liquid-guiding part are distributed around the outer circumference of the liquid-guiding tube and its axial direction is parallel to the liquid-guiding tube. A recess is formed at the junction of the embedded structure and the liquid-guiding part to make it on the liquid-guiding part side The edge forms a top edge. The shunting bracket for eyeball drainage as described in item 1 of the patent scope, in which the catheter The wall is hollow and both side walls are hollow. The shunting bracket for eyeball drainage as described in item 1 of the patent application scope, wherein the fixing structure is in the shape of a ball or a hook. The shunting bracket for eye drainage as described in item 1 of the scope of patent application, wherein the nozzle of the catheter is round, oval, hexagonal or polygonal.

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