CN209996599U

CN209996599U - multifunctional glaucoma aqueous humor drainage device

Info

Publication number: CN209996599U
Application number: CN201920443893.5U
Authority: CN
Inventors: 王大萍; 刘启艳; 刘家敏
Original assignee: HOSPITAL OF SOUTHWEST GUIZHOU PROVINCE
Current assignee: HOSPITAL OF SOUTHWEST GUIZHOU PROVINCE
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2020-01-31
Anticipated expiration: 2029-03-29

Abstract

The utility model discloses an multi-functional glaucoma aqueous humor drainage device relates to medical instrument technical field, this multi-functional glaucoma aqueous humor drainage device, including the syringe, the side of syringe is provided with the drainage tube, the drainage tube is connected through the connector with the syringe, and the drainage tube is provided with the drainage guide for the end of connector, the intermediate position department of drainage tube is provided with the connecting pipe, the inside of connecting pipe is provided with the filter screen, the side that the outside of drainage tube is close to the drainage guide is provided with the silica gel soft piece, the utility model discloses set up silica gel soft piece, draw-in groove, rubber sleeve and spacing pipe, the silica gel soft piece can change the cross-sectional area of drainage tube under extruded state, and then alright control the velocity of flow to the inside drainage tube to prevent that the too big damage patient's eyes of the inside pressure of drainage tube, solved traditional device and be difficult to realize multi-functional application.

Description

multifunctional glaucoma aqueous humor drainage device

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to multi-functional glaucoma aqueous humor drainage devices.

Background

Medical instruments refer to instruments, devices, appliances, in vitro diagnostic reagents and calibrators, materials and other similar or related items used directly or indirectly in the human body.

In chinese patent No. 201721175791.7, glaucoma aqueous humor drainage devices are disclosed, which describes that "the chamber angle under the cornea of the eye is pierced directly by a sharp-pointed injection tube, the end of the drainage tube with a drainage valve port is pierced and implanted into the eye, aqueous humor in the eye is led out of the eye and seeps into the subconjunctival space through a weeping port and an external drainage port on the drainage tube, so as to achieve the purpose of glaucoma aqueous humor drainage", but the drainage tube is too thin, so that it is difficult for medical personnel to grasp, and further difficult to accurately adjust the depth of the drainage tube in the eye of a patient, and the suction force of the drainage valve port is difficult to control in real time, so that the eye of the patient is easily injured due to too large suction force, and further the device is difficult to realize multifunctional application, and further, when aqueous humor enters the injector through the drainage tube, because the diameter of the needle of the injector is smaller, and further, the needle is easily blocked.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide kinds of multi-functional glaucoma aqueous humor drainage devices to the device that provides is difficult to realize multi-functional application in solving above-mentioned background art, and the easy problem of blockking up of syringe needle of syringe.

In order to realize the purpose, the utility model provides a following technical scheme multi-functional glaucomatous aqueous humor drainage device, including the syringe, the side of syringe is provided with the drainage tube, the drainage tube is connected through the connector with the syringe, and the drainage tube is provided with the drainage guide for the end of connector, the intermediate position department of drainage tube is provided with the connecting pipe, the inside of connecting pipe is provided with the filter screen, the side that the outside of drainage tube is close to the drainage guide is provided with the silica gel soft block, the inside of silica gel soft block is provided with the rubber sleeve pipe, and the side position of silica gel soft block is provided with spacing pipe in the outside position department of drainage tube, the inside of rubber sleeve pipe is seted up with drainage tube assorted draw-in.

Preferably, the top of the drainage guide head is in arc chamfer transition to form an arc surface.

Preferably, the side position department that the inside of connecting pipe is close to the filter screen is provided with the spacing ring, the inside intermediate position department of spacing ring has seted up the hole that leaks.

Preferably, the outer part of the silica gel soft block is provided with an anti-slip groove, and the length of the anti-slip groove is matched with that of the silica gel soft block.

Preferably, a limiting block is arranged at the position, close to the side of the limiting pipe, of the outer part of the drainage pipe, a sponge layer is arranged on the side of the limiting block, and the limiting block is positioned between the drainage guide head and the limiting pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses the silica gel soft block has been set up, the draw-in groove, rubber sleeve and spacing pipe, because the inside draw-in groove of rubber sleeve can with drainage tube in close contact with, and then can improve the silica gel soft block at the outside stability of drainage tube, and spacing pipe can carry on spacingly to the drainage tube, thereby medical personnel can directly adjust the direction and the length of drainage tube through snatching the silica gel soft block, the silica gel soft block is under the extruded state simultaneously, can change the cross-sectional area of drainage tube, and then alright control the inside velocity of flow of drainage tube, in order to prevent that the inside pressure of drainage tube from too big damage patient's eyes, thereby the functionality of device has been improved greatly, it is difficult to realize multi-functional application to have solved traditional device.

(2) The utility model discloses connecting pipe and filter screen have been set up, when the room water passes through the drainage guide head and flows in the drainage tube, the inside filter screen of connecting pipe can filter the particulate matter in the room water, so that the particulate matter storage after will filtering is in the inside of connecting pipe, and then can prevent that the particulate matter from blockking up the syringe needle of syringe, thereby can improve the stability in the device use, it is less because of the syringe needle diameter of syringe to have solved traditional device, it is difficult for the mixture jam influence problem of using of room water to cause the syringe needle.

Drawings

FIG. 1 is an external view of the present invention;

FIG. 2 is a cross-sectional view of the connecting tube of the present invention;

FIG. 3 is a cross-sectional view of the silica gel soft block of the present invention;

FIG. 4 is a side view of the stop collar of the present invention;

in the figure: 1-connecting pipe, 2-drainage pipe, 3-connector, 4-injector, 5-drainage guide head, 6-limiting pipe, 7-antiskid groove, 8-rubber sleeve, 9-limiting ring, 10-filter screen, 11-silica gel soft block, 12-clamping groove, 13-material leakage hole, 14-limiting block and 15-arc surface.

Detailed Description

The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of , but not all embodiments.

Please refer to fig. 1-4, the utility model provides technical solutions, multifunctional glaucoma aqueous humor drainage devices, including an injector 4, a side of the injector 4 is provided with a drainage tube 2, the drainage tube 2 is connected with the injector 4 through a connector 3, and a end of the drainage tube 2 relative to the connector 3 is provided with a drainage guide 5, a middle position of the drainage tube 2 is provided with a connection tube 1, the inside of the connection tube 1 is provided with a filter screen 10, the filter screen 10 can separate particulate matters in aqueous humor inside the connection tube 1, so as to prevent the particulate matters from blocking a needle of the injector 4, a side of the outside of the drainage tube 2 close to the drainage guide 5 is provided with a silica gel soft block 11, the inside of the silica gel soft block 11 is provided with a rubber sleeve 8, when the silica gel soft block 11 is squeezed, a cross-sectional area in the drainage tube 2 is reduced, so as to reduce a flow velocity inside the drainage tube 2, so as to avoid damaging eyes of a patient, and a side of the silica gel soft block 11 is provided with a position outside the drainage tube.

, the top of the drainage guide head 5 is in arc chamfer transition to form an arc surface 15.

, a limiting ring 9 is arranged at a position, close to the side of the filter screen 10, inside the connecting pipe 1, and a material leakage hole 13 is formed in the middle of the inside of the limiting ring 9.

Specifically, the anti-slip groove 7 is formed in the outer portion of the silica gel soft block 11, and the length of the anti-slip groove 7 is matched with that of the silica gel soft block 11.

Specifically, the side position department that the outside of drainage tube 2 is close to spacing pipe 6 is provided with stopper 14, and the side of stopper 14 is provided with the sponge layer, and stopper 14 is located between drainage guide 5 and spacing pipe 6 to prevent that the soft piece of silica gel 11 is too close with drainage guide 5's distance, avoid the soft piece of silica gel 11 to contact with patient's eyes.

The utility model discloses a theory of operation and use flow: when the utility model is used, firstly the drainage tube 2 is connected with the injector 4 through the connector 3, then the silica gel soft block 11 is moved along the drainage tube 2 to the direction of the arc surface 15, under the action of the internal clamping groove 12 of the rubber sleeve 8, the stability of the silica gel soft block 11 at the external part of the drainage tube 2 can be improved, meanwhile, the limiting tube 6 can limit the drainage tube 2, thereby being convenient for medical personnel to control the direction and the length of the drainage tube 2, after the position of the silica gel soft block 11 is determined, the injector 4 can be drawn, the injector 4 can draw the aqueous humor in the eyes of a patient through the drainage guide head 5, the medical personnel can extrude the silica gel soft block 11 in the process of aqueous humor drawing so as to reduce the cross-sectional area of the drainage tube 2, further, the flow speed in the drainage tube 2 can be controlled, in order to prevent the eyes of the patient from being damaged by too much suction force, and the aqueous, because the filter screen 10 can filter the particulate matter in the aqueous humor, the syringe needle of the syringe 4 can be prevented from being blocked by the particulate matter, and the stability of the device in the using process is greatly improved.

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

The utility model provides an multi-functional glaucomatous aqueous humor drainage device, including syringe (4), the side of syringe (4) is provided with drainage tube (2), drainage tube (2) are connected through connector (3) with syringe (4), and drainage tube (2) are provided with drainage guide head (5) for the end of connector (3), its characterized in that, the intermediate position department of drainage tube (2) is provided with connecting pipe (1), the inside of connecting pipe (1) is provided with filter screen (10), the outside side that the outside of drainage tube (2) is close to drainage guide head (5) is provided with silica gel soft block (11), the inside of silica gel soft block (11) is provided with rubber sleeve (8), and the side of silica gel soft block (11) is located drainage tube (2) outside position department and is provided with spacing pipe (6), of rubber sleeve (8) is seted up with drainage tube (2) assorted draw-in groove (12).
2. The multifunctional glaucoma aqueous humor drainage device of claim 1, wherein the top of the drainage guide head (5) is in a circular arc chamfer transition to form a circular arc surface (15).
3. The multifunctional glaucoma aqueous humor drainage device of claim 1, wherein a position limiting ring (9) is arranged at a position in the connecting tube (1) close to the side of the filter screen (10), and a material leaking hole (13) is arranged at the middle position in the limiting ring (9).
4. The multifunctional glaucoma aqueous humor drainage device of claim 1, wherein an anti-slip groove (7) is formed outside the silica gel soft block (11), and the length of the anti-slip groove (7) is matched with the length of the silica gel soft block (11).
5. The multifunctional glaucoma aqueous humor drainage device of claim 1, wherein a position limiting block (14) is arranged at the position of the exterior of the drainage tube (2) close to the side of the limiting tube (6), a sponge layer is arranged at the side of the limiting block (14), and the limiting block (14) is positioned between the drainage guide head (5) and the limiting tube (6).