Glaucoma intraocular hypertension drainage device

Abstract

The utility model belongs to the field of medical instruments, and particularly relates to a glaucoma hypertension intraocular pressure drainage device which comprises a tunnel knife used for manufacturing a sclera tunnel and an I-shaped drainage valve used for draining aqueous humor to reduce intraocular pressure, and the tunnel knife comprises a knife head and a knife handle arranged at the tail end of the knife head; a storage groove used for containing the I-shaped drainage valve is formed in the knife handle. A pipe cavity is formed in the I-shaped drainage valve in the length direction of the I-shaped drainage valve and penetrates through the I-shaped drainage valve. The tunnel knife can be used for accurately manufacturing a sclera tunnel with the length of 4mm and the width of 3mm, and the I-shaped drainage valve made of silica gel can be folded and can be implanted into the sclera tunnel through the injector. A tube cavity with the inner diameter being 60 micrometers is formed in the I-shaped drainage valve, aqueous humor can be drained to the position below the conjunctiva through the tube cavity in the drainage valve, intraocular pressure is reduced, damage of intraocular hypertension to eyes is reduced, the I-shaped drainage valve does not need to be fixed through suture, and the drainage device is simple, efficient, accurate and suitable for wide popularization.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of medical devices, especially relates to a glaucoma high intraocular pressure drainage device. BACKGROUND

[0002] Glaucoma is a common disease and frequently-occurring disease in ophthalmology clinic, and a common surgical treatment scheme is to make scleral flap, remove trabecula and drain aqueous humor to subconjunctival space. In the prior art, the size of the scleral flap is not accurate enough, the scleral flap is easy to proliferate and adhere, which leads to that the aqueous humor cannot be drained to the subconjunctival space, the outflow of the aqueous humor is not accurately estimated, and the postoperative effect of the patient is seriously affected, and the pain of the patient is increased. CONTENT OF UTILITY MODEL

[0003] The glaucoma high intraocular pressure drainage device solves the above problems.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A glaucoma high intraocular pressure drainage device, comprising a tunnel knife for making a scleral tunnel and a work-shaped drainage valve for draining aqueous humor to reduce intraocular pressure, the tunnel knife comprising a knife head and a handle provided at the end of the knife head;

[0006] A storage groove for placing the work-shaped drainage valve is formed on the handle;

[0007] In the work-shaped drainage valve, a lumen is arranged along the length direction thereof, and the lumen penetrates through the work-shaped drainage valve.

[0008] Preferably, the knife head comprises a working part at the front end and a connecting part at the rear end, and a scale with an interval of 1mm is arranged on the upper surface of the working part at the front end of the knife head;

[0009] The working part at the front end of the knife head is triangular in shape, the width of the end of the working part at the front end of the knife head is 3mm, the length of the working part at the front end of the knife head is 4mm, and the connecting part at the rear end of the knife head is integrally formed with the handle.

[0010] Preferably, the cross section of the knife head is trapezoidal, and the materials of the knife head and the handle are both stainless steel.

[0011] Preferably, the material of the work-shaped drainage valve is silica gel, and the work-shaped drainage valve comprises arc-shaped parts at two ends and a rectangular part connecting the two arc-shaped parts.

[0012] Preferably, the lumen comprises arc-shaped lumens arranged in the two arc-shaped parts and a horizontal lumen arranged in the rectangular part, and the horizontal lumen is in communication with the two arc-shaped lumens;

[0013] The inner diameter of the lumen is 60um.

[0014] Preferably, the arc-shaped part is in an elliptical cross section, and the rectangular part is in a rectangular cross section with rounded corners.

[0015] Preferably, the arc-shaped part has a width of 5 mm and a length of 1 mm; the rectangular part has a width of 3 mm and a length of 4 mm; and the H-shaped drainage valve has a thickness of 0.2 mm.

[0016] The utility model discloses the beneficial effect is:

[0017] The utility model discloses a tunnel knife for making scleral tunnel and H-shaped drainage valve for draining aqueous humor to reduce eye pressure, the tunnel knife includes the knife head and sets up the handle at the knife head end, is set up with the storage groove for placing H-shaped drainage valve on the handle, and the H-shaped drainage valve is provided with the lumen along its length direction, and the lumen penetrates H-shaped drainage valve. The knife head includes the working part of front end and the connecting portion of rear end, and the upper surface of the working part of knife head front end is provided with the scale interval 1mm, the working part of knife head front end is triangular, the working part of knife head front end end width is 3mm, the working part of knife head front end length is 4mm, and the connecting portion of knife head rear end is integrally formed with the handle. The material of H-shaped drainage valve is silica gel, and H-shaped drainage valve includes the arc-shaped part of both ends and the rectangular part connecting two arc-shaped parts. The lumen includes the arc-shaped lumen setting in two arc-shaped parts and the horizontal lumen setting in the rectangular part, and the horizontal lumen is communicated with two arc-shaped lumens.

[0018] The utility model discloses tunnel knife can accurately make 4mm long 3mm wide scleral tunnel, and the H-shaped drainage valve of silica gel material can be folded, and is implanted in the scleral tunnel through the pusher. The lumen with the inner diameter of 60um is in the H-shaped drainage valve, and the aqueous humor can be drained to the subconjunctival space through the lumen in the H-shaped drainage valve, so as to reduce the eye pressure and reduce the damage of high eye pressure to the eye, and the H-shaped drainage valve does not need to be sutured and fixed. It is simple, efficient and accurate, and is suitable for wide range of popularization. ACCURATE DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is tunnel knife structure schematic drawing of the utility model.

[0020] Figure 2 It is tunnel knife cross section structure schematic drawing of the utility model.

[0021] Figure 3 It is H-shaped drainage valve structure schematic drawing of the utility model.

[0022] Figure 4 It is arc-shaped part cross section structure schematic drawing of the utility model.

[0023] Figure 5 It is rectangular part cross section structure schematic drawing of the utility model.

[0024] In the figure: 1-tunnel knife, 101-knife head, 102-knife handle, 1021-storage groove, 2-forged drainage valve, 201-arc-shaped part, 202-rectangular part, 203-lumen, 2031-arc-shaped lumen, 2032-horizontal lumen. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0026] Reference Figures 1-5 , a glaucoma high intraocular pressure drainage device, comprising a tunnel knife 1 for making a scleral tunnel and a forged drainage valve 2 for draining aqueous humor to reduce intraocular pressure, the tunnel knife 1 comprises a knife head 101 and a knife handle 102 arranged at the end of the knife head 101;

[0027] The knife handle 102 is provided with a storage groove 1021 for placing the forged drainage valve 2; the forged drainage valve 2 is placed in the storage groove 1021.

[0028] In the forged drainage valve 2, a lumen 203 is arranged along the length direction thereof, and the lumen 203 penetrates through the forged drainage valve 2.

[0029] The knife head 101 comprises a working part at the front end and a connecting part at the rear end, and the upper surface of the working part at the front end of the knife head 101 is provided with a scale with an interval of 1mm.

[0030] The working part at the front end of the knife head 101 is triangular in shape, the width of the end of the working part at the front end of the knife head 101 is 3mm, the length of the working part at the front end of the knife head 101 is 4mm, and the connecting part at the rear end of the knife head 101 is integrally formed with the knife handle 102.

[0031] The cross section of the knife head 101 is trapezoidal, and the materials of the knife head 101 and the knife handle 102 are both stainless steel.

[0032] The forged drainage valve 2 is made of silica gel, and comprises arc-shaped parts 201 at two ends and a rectangular part 202 connecting the two arc-shaped parts 201, the forged drainage valve 2 made of silica gel can be folded and accurately implanted into the scleral tunnel through a crystal injection device, when the intraocular pressure is high, the drainage volume in the lumen 203 is large, when the intraocular pressure is low, the drainage volume in the lumen 203 is small, thereby reducing the intraocular pressure and reducing the damage of high intraocular pressure to the eye.

[0033] The tube cavity 203 includes an arc-shaped tube cavity 2031 arranged in the two arc-shaped parts 201 and a horizontal tube cavity 2032 arranged in the rectangular part 202, and the horizontal tube cavity 2032 is communicated with the two arc-shaped tube cavities 2031; the inner diameter of the tube cavity 203 is 60 um; the cross section of the arc-shaped part 201 is an ellipse, and the cross section of the rectangular part 202 is a rectangle with rounded edges. The width of the arc-shaped part 201 is 5 mm, and the length is 1 mm; the width of the rectangular part 202 is 3 mm, and the length is 4 mm; the thickness of the work-shaped drainage valve 2 is 0.2 mm.

[0034] Working principle:

[0035] According to the needs of the glaucoma and high intraocular pressure patients, a scleral tunnel with a width of 3 mm and a length of 4 mm is made by using the working part at the front end of the cutter head 101 with a width of 3 mm;

[0036] The work-shaped drainage valve 2 is taken out from the storage groove 1021, the transparent sterile packaging bag outside the work-shaped drainage valve 2 is removed, and the work-shaped drainage valve 2 is folded and placed in the lens injection device (the lens injection device is prior art), and then the work-shaped drainage valve 2 is implanted into the scleral tunnel which has been made, and the aqueous humor can be drained to the subconjunctival space through the tube cavity 203 in the work-shaped drainage valve 2, so as to reduce the intraocular pressure and reduce the damage of high intraocular pressure to the eye, and the work-shaped drainage valve does not need to be sutured and fixed, which is simple, efficient and accurate, and is suitable for wide promotion.

[0037] The above only describes the preferred embodiments of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A glaucoma high-hydr0rhea drainage device, characterized by: The utility model provides a tunnel knife (1) for making sclera tunnel and a work-shaped drainage valve (2) for draining aqueous humor to reduce intraocular pressure, the tunnel knife (1) includes a knife head (101) and a handle (102) arranged at the end of the knife head (101); A storage groove (1021) for placing the work-shaped drainage valve (2) is formed on the handle (102); A lumen (203) is arranged along the length direction of the work-shaped drainage valve (2) in the work-shaped drainage valve (2), and the lumen (203) penetrates through the work-shaped drainage valve (2).

2. The glaucoma and ocular hypertensive drainage device of claim 1 wherein: The knife head (101) includes a working part at the front end and a connecting part at the rear end, and the upper surface of the working part at the front end of the knife head (101) is provided with a scale with an interval of 1mm; The working part at the front end of the knife head (101) is triangular in shape, the width of the working part at the front end of the knife head (101) is 3mm, the length of the working part at the front end of the knife head (101) is 4mm, and the connecting part at the rear end of the knife head (101) is integrally formed with the handle (102).

3. The glaucoma and ocular hypertensive drainage device of claim 2 wherein: The cross section of the knife head (101) is trapezoidal, and the materials of the knife head (101) and the handle (102) are stainless steel.

4. The glaucoma and ocular hypertensive drainage device of claim 3 wherein: The material of the work-shaped drainage valve (2) is silica gel, and the work-shaped drainage valve (2) includes arc-shaped parts (201) at two ends and a rectangular part (202) connecting the two arc-shaped parts (201).

5. The glaucoma and ocular hypertensive drainage device of Claim 4 wherein: The lumen (203) includes arc-shaped lumens (2031) arranged in the two arc-shaped parts (201) and a horizontal lumen (2032) arranged in the rectangular part (202), and the horizontal lumen (2032) is in communication with the two arc-shaped lumens (2031); The inner diameter of the lumen (203) is 60um.

6. The glaucoma and ocular hypertensive drainage device of claim 5 wherein: The cross section of the arc-shaped part (201) is elliptical, and the cross section of the rectangular part (202) is a rectangle with rounded edges.

7. The glaucoma and ocular hypertensive drainage device of claim 6 wherein: The width of the arc-shaped part (201) is 5mm, and the length is 1mm; The width of the rectangular part (202) is 3mm, and the length is 4mm; The thickness of the work-shaped drainage valve (2) is 0.2mm.

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