CN217793783U

CN217793783U - Emergency conjunctival sac flushing device

Info

Publication number: CN217793783U
Application number: CN202220409236.0U
Authority: CN
Inventors: 薛燕妮; 何莹
Original assignee: Zhongnan Hospital of Wuhan University
Current assignee: Zhongnan Hospital of Wuhan University
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-11-15
Anticipated expiration: 2032-02-28

Abstract

An emergency conjunctival sac flushing device belongs to the technical field of medical instruments. The utility model provides a but emergent conjunctival sac washing unit that conveniently carries and one-man operation, the high-pressure jar body of packing into eye lotion, but the top design pressure-regulating flow-regulating's of jar body slide valve compresses tightly through the pivot of eyelid retractor, the eyelid retractor of design is by the plectrum, pivot and bullet iron are constituteed, bullet iron is for falling the trapezium structure and install in the plectrum guide way, two plectrums are in the parallel state and insert jar draw-in groove on the body when stewing, bullet iron is located guide way upper portion this moment, rely on the pressure of block cap and the frictional force between draw-in groove and the plectrum to compress tightly the slide valve, the piston of slide valve bottom blocks up infusion channel, high-pressure liquid medicine can not spout. When the eyelid opener is used, the cap is pulled down, the first poking piece and the second poking piece are pulled out of the tank body, the elastic iron slides downwards along the guide groove in the upward pulling process, the lower portion of the elastic iron enters the space between the first poking piece and the second poking piece, the first poking piece and the second poking piece are made to have elasticity, and the eyelid of a user is opened by rotating around the rotating shaft.

Description

Emergency conjunctival sac flushing device

Technical Field

The utility model belongs to the technical field of the medical instrument technique and specifically relates to an emergent conjunctival sac washing unit.

Background

At present, the methods for flushing conjunctival sac in the clinical eye trauma emergency treatment in China include an infusion apparatus flushing method, an injector flushing method, an eyecup flushing method, a large needle head flushing method and the like. The methods have the disadvantages of multiple species, inconvenient carrying, repeated suction of washing liquid when the one-time washing effect does not meet the requirement, and complicated and time-consuming operation steps. The eye injury treatment has strong particularity, and the time-effect treatment is emphasized, so that safe, quick and efficient washing of the conjunctival sac becomes the key of first-line successful rescue, otherwise corneal ulcer perforation, suppurative ophthalmia, globitis and even blindness are easily caused.

SUMMERY OF THE UTILITY MODEL

The technical task of the utility model is to solve the deficiency of the prior art, and provide an emergent conjunctival sac washing unit.

The utility model provides a technical scheme that its technical problem adopted is:

an emergency conjunctival sac flushing device comprises an eyelid retractor, wherein the eyelid retractor comprises a first shifting piece and a second shifting piece, an ear ring is arranged on one side, opposite to the first shifting piece, of the second shifting piece, a hole is formed in the ear ring and penetrates through a rotating shaft, guide grooves are formed in the first shifting piece and the second shifting piece, a first elastic iron and a second elastic iron are installed in the guide grooves, the first elastic iron and the second elastic iron are inverted trapezoids and are perpendicular to the first shifting piece and the second shifting piece, the long bottom edge of each trapezoid is arranged above the short bottom edge, the short bottom edge of each trapezoid is arranged below the short bottom edge, and the short bottom edges of the first shifting piece and the second shifting piece penetrate through the guide grooves from outside to inside; the first shifting piece and the second shifting piece are arranged in a clamping groove of the tank body, and the rotating shaft is provided with a spray head.

Furthermore, a slide valve is arranged in the tank body, the slide valve is of a cylindrical structure, an air valve is arranged on the circumferential surface of the cylinder, an air passage is formed in the bottom surface of the cylinder, a piston is arranged at the bottom of the slide valve, a liquid outlet channel is formed in the tank body, an outlet of the liquid outlet channel is positioned on the side wall of the sliding channel of the piston, a spring is arranged at the bottom of the slide valve, a spray head is connected with the slide valve through a guide pipe, and the spray head is arranged right above the slide valve.

Furthermore, a snap ring is arranged on the tank body, and a cover cap is arranged on the snap ring.

Compared with the prior art, the utility model discloses an emergent conjunctival sac washing unit produced beneficial effect is:

(1) The prepressurization pressure and the slide valve pressure control device in the tank body can keep the washing flow rate and the pressure stable, after the eyelid retractor is controlled by one hand to open the eyelid, the tank body is held by the other hand to swing, the nozzle is pulled by the catheter to swing in a small amplitude around the rotating shaft, all corners of the eyeball can be effectively washed, and the washing effect is ensured.

2) The integrated one-hand holding design frees two-hand operation, saves time and labor, saves space, is easy to operate and has low cost; the flushing liquid pipe is adjustable and has strong flexibility; meanwhile, the designed cover cap can effectively prevent the spray head from being polluted.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

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

FIG. 3 is a drawing-out schematic view of the structure shifting piece of the present invention;

FIG. 4 is a three-dimensional view of the structure of the present invention;

in the figure, 101, a first pull sheet, 102, a second pull sheet, 2, an earring, 3, a rotating shaft, 4, a sliding valve, 401, a valve, 402, an air channel, 403, a piston, 5, a spring, 6, a tank body, 601, a clamping groove, 602, a clamping ring, 701, a first elastic iron, 702, a second elastic iron, 8, a guide groove, 9, a guide pipe, 10, a spray head, 11, a cover cap, 12 and a liquid outlet channel

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

An emergency conjunctival sac flushing device comprises an eyelid retractor, wherein the eyelid retractor consists of a first plectrum 101 and a second plectrum 102, earrings 2 are arranged on the first plectrum 101 and the second plectrum 102, a hole is formed in each earring 2 and penetrates through a rotating shaft 3, the first plectrum 101 and the second plectrum 102 are hinged together through the rotating shaft 3, a guide groove 8 is formed in each first plectrum 101 and the second plectrum 102, a first spring iron 701 and a second spring iron 702 are installed in each guide groove 8, the first spring iron 701 and the second spring iron 702 are inverted trapezoids, the long bottom edge of each trapezoid is arranged above the short bottom edge of each trapezoid, and the short bottom edges of the first plectrum 101 and the second plectrum 102 penetrate through the guide grooves 8 from outside to inside; the first shifting piece 101 and the second shifting piece 102 are arranged in a clamping groove 601 of the tank body 6, and the rotating shaft 3 is provided with the spray head 10.

As the first embodiment of the present invention, in the standing state, the first latch 701 and the second latch 702 are located at the upper edge of the guide groove, and after the first plectrum 101 and the second plectrum 102 are pulled out, the first latch 701 and the second latch 702 are pressed down along the guide groove to make the bottoms of the first plectrum 101 and the second plectrum 102 enter between the first plectrum 101 and the second plectrum 102, so that the elastic force generated by the deformation of the first latch 701 and the second latch 702 acts on the first plectrum 101 and the second plectrum 102.

A slide valve 4 is arranged in a tank body 6, the slide valve 4 is of a cylindrical structure, an air valve 401 is arranged on the circumferential surface of a cylinder, an air passage 402 is formed in the bottom surface of the cylinder, a piston 403 is arranged at the bottom of the slide valve 4, a liquid outlet channel 12 is formed in the tank body 6, the outlet of the liquid outlet channel 12 is positioned on the side wall of a sliding channel of the piston 403, a spring 5 is arranged at the bottom of the slide valve 4, and a spray head 10 is connected with the slide valve 4 through a guide pipe 9.

As the utility model discloses a first embodiment, the state of stewing, under the dual function of the pressure of block and plectrum and jar body frictional force, the slide valve 4 is compressed tightly in the spout, and after external pressure relieved, the slide valve stretches out under the spring action of bottom spring, and the infusion passageway that is stopped up by the piston is opened, and high-pressure liquid medicine is followed the shower nozzle blowout and is washed user's eye after through infusion passageway, air flue, valve and pipe.

Furthermore, at the moment, the slide valve 4 is pressed to slide in the chute to control the opening and closing degree of the piston to the infusion channel, so that the liquid outlet amount and the liquid outlet flow rate of the nozzle can be controlled.

The tank body 6 is provided with a snap ring 602, and the snap ring 602 is provided with a cover cap 11.

The core technical idea of the utility model is that: the design one kind conveniently carries and but emergency conjunctival sac washing unit of one-man operation, pack the eye lotion into the high-pressure tank body, the top design adjustable pressure accent of flowing slide valve and through the pivot of eye speculum compress tightly, the eye speculum of design is by the plectrum, pivot and bullet iron are constituteed, bullet iron is falling the trapezium structure and installing in the guide way on the plectrum, two plectrums are in the parallel state and insert the draw-in groove on the jar body when stewing, bullet iron is located guide way upper portion this moment, rely on the pressure of block cap and the frictional force between draw-in groove and the plectrum to compress tightly the slide valve, the piston of slide valve bottom blocks up infusion channel, high-pressure liquid medicine can not spout.

When the eyelid opener is used, the cap is pulled down, the first poking piece and the second poking piece are pulled out of the tank body, the elastic iron slides downwards along the guide groove in the pulling process, and the lower portion of the elastic iron enters between the first poking piece and the second poking piece to enable the first poking piece and the second poking piece to have elasticity and rotate around the rotating shaft to prop open the eyelid of a user.

The slide valve losing the top pressure is popped up under the action of the bottom spring, the transfusion channel blocked by the piston is opened, and the high-pressure liquid medicine is sprayed out from the spray head to wash the eyes of the user after passing through the transfusion channel, the air passage, the air valve and the guide pipe.

In summary, the present invention is not limited to the above embodiments, and those skilled in the art can provide other embodiments within the teaching of the present invention, but these embodiments are included in the scope of the present invention.

Claims

1. An emergency conjunctival sac flushing device is characterized by comprising an eyelid retractor, wherein the eyelid retractor comprises a first pulling sheet (101) and a second pulling sheet (102), an earring (2) is arranged on one side, opposite to the first pulling sheet (101) and the second pulling sheet (102), of the earring (2), a hole is formed in the earring (2) and penetrates through a rotating shaft (3), a guide groove (8) is formed in the first pulling sheet (101) and the second pulling sheet (102), a first spring iron (701) and a second spring iron (702) are installed in the guide groove (8), the first spring iron (701) and the second spring iron (702) are inverted trapezoids and are perpendicular to the first pulling sheet (101) and the second pulling sheet (102), the long bottom edge of each trapezium is arranged above, the short bottom edge of each trapezium is arranged below, and the short bottom edges of the first pulling sheet (101) and the second pulling sheet (102) penetrate through the guide groove (8); the first poking piece (101) and the second poking piece (102) are installed in a clamping groove (601) of the tank body (6), and the rotating shaft (3) is provided with the spray head (10).

2. The emergency conjunctival sac irrigation device according to claim 1, wherein a sliding valve (4) is installed in the tank (6), the sliding valve (4) is of a cylindrical structure, an air valve (401) is arranged on the cylindrical circumferential surface of the sliding valve (4), an air passage (402) is formed in the cylindrical bottom surface of the sliding valve (4), a piston (403) is installed at the bottom of the sliding valve (4), a liquid outlet channel (12) is formed in the tank (6), an outlet of the liquid outlet channel (12) is located on the side wall of the sliding channel of the piston (403), a spring (5) is installed at the bottom of the sliding valve (4), the spray head (10) is connected with the sliding valve (4) through a guide pipe (9), and the spray head (10) is arranged right above the sliding valve (4).

3. The emergency conjunctival sac irrigation device according to claim 1, wherein a snap ring (602) is arranged on the tank (6), and a cap (11) is mounted on the snap ring (602).