CN213310844U

CN213310844U - Injection and suction device for ophthalmology

Info

Publication number: CN213310844U
Application number: CN202021028449.6U
Authority: CN
Inventors: 颜繁诚; 李树宁; 艾南平; 王昊森; 柴一杰; 蒋现
Original assignee: Beijing Friendship Hospital
Current assignee: Beijing Friendship Hospital
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-06-01
Anticipated expiration: 2030-06-08

Abstract

The utility model is suitable for an ophthalmology field provides an ophthalmic notes suction apparatus, including shell, piston, first connecting pipe and second connecting pipe, the left end fixed surface of shell is connected with the end cover, and the left end surface of end cover has seted up first notch, the inside of shell is provided with the piston, and the left end surface of piston is connected with the connecting rod, the left end of connecting rod is connected with the push pedal, and the left end surface of push pedal reserves the second notch, the inside of second notch is provided with the horizontal pole, and the surface connection of horizontal pole has the limiting plate, the surface of shell has cup jointed the go-between, and the right-hand member of go-between is connected with the regulating plate, the right-hand member surface intercommunication of shell has first connecting pipe, and the upper surface laminating of first connecting pipe has the second connecting pipe. The injection and suction device for ophthalmology can suck out the cortex in the eyes of a patient while injecting a medicament, and can avoid accidental air suction when not in use.

Description

Injection and suction device for ophthalmology

Technical Field

The utility model relates to an ophthalmology technical field specifically is an ophthalmic notes suction apparatus.

Background

Eyes are one of very important organs of human beings, and people can clearly know everything in the world only by watching the eyes, but at present, a plurality of eye diseases exist, wherein cataract is a common one, and at present, when the cataract is treated, most of the eye diseases are treated by injecting medicaments into the eyes by using an injection and suction device;

however, when the existing injection-suction device in the market is used, only the medicine can be simply extracted and injected, and the adsorption and removal of the semi-colloid cortex of the eyes of a patient cannot be carried out, so that another medical worker is required to remove the cortex, which is troublesome, and an injection-suction device for the ophthalmology is developed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ophthalmic notes aspirator to solve the current notes aspirator on the market that proposes in the above-mentioned background art when using, can only be simple extract and pour into the medicament, can't adsorb to the cortex that patient's eye becomes half colloid form and drive, this just leads to needing another medical personnel to carry out the cleaing away of cortex, comparatively troublesome problem.

In order to achieve the above object, the utility model provides a following technical scheme: an ophthalmic injection and suction device comprises a shell, a piston, a first connecting pipe and a second connecting pipe, wherein the left end surface of the shell is fixedly connected with an end cover, a first notch is formed in the left end surface of the end cover, the piston is arranged in the shell, the left end surface of the piston is connected with a connecting rod, the left end of the connecting rod is connected with a push plate, and a second notch is reserved in the left end surface of the push plate;

the inside of second notch is provided with the horizontal pole, and the surface of horizontal pole is connected with the limiting plate, the surface of shell has cup jointed the go-between, and the right-hand member of go-between is connected with the regulating plate to the right-hand member of regulating plate is connected with the safety cover, the right-hand member surface intercommunication of shell has first connecting pipe, and the upper surface laminating of first connecting pipe has the second connecting pipe, and the left end of second connecting pipe extends to run through to the inside of shell.

The utility model discloses still provide the position of end cover is corresponding with the position of push pedal, and push pedal and connecting rod constitute the integral structure to the right-hand member of connecting rod is connected with the piston through the bearing.

The utility model discloses still provide the outer end surface of piston closely laminates with the inner wall of shell, and the connected mode of piston and second connecting pipe is for cup jointing to the left end of second connecting pipe and the inner wall contactless setting of shell.

The utility model discloses still provide the second notch is equiangular distribution in the push pedal, and the limiting plate is sunken in the inside of second notch to the limiting plate is sliding construction on the horizontal pole, carries out fixed connection through the limiting plate between end cover and the push pedal simultaneously.

The utility model discloses still provide the go-between is sliding structure on the shell, and the surface of go-between is annular groove-shaped structure.

The utility model discloses still provide the rip cutting of safety cover is semicircular structure, and the connected mode of safety cover and regulating plate is articulated.

Compared with the prior art, the beneficial effects of the utility model are that: the injection and suction device for ophthalmology can suck out the cortex in the eyes of a patient while injecting a medicament, and can avoid accidental air suction when not in use;

1. the position of the end cover corresponds to that of the push plate, so that the push plate can be completely clamped into the end cover by sliding, then the push plate is rotated, and the limiting plate is slidably inserted into the end cover, so that the push plate can be fixed, and the situation that the inside of the device is sucked with outside air due to the movement of the push plate when the device is used is avoided;

2. the left end of the second connecting pipe penetrates through the shell and extends into the shell, and the second connecting pipe is sleeved with the piston, so that when the piston slides to push out the medicament, a negative pressure environment is formed in the shell, and the cortex in the eyes of a patient can be sucked out through the second connecting pipe;

3. through the groove-shaped structure on the connecting ring, medical staff can conveniently hold the device, the adjusting plate can rotate without limitation due to the sliding of the connecting ring, and the protective cover can cover the outer sides of the first connecting pipe and the second connecting pipe, so that the first connecting pipe and the second connecting pipe are protected.

Drawings

Fig. 1 is a schematic front sectional view of the present invention;

fig. 2 is a schematic structural view of a working state of the protective cover provided by the present invention;

fig. 3 is a schematic side view of the end cap according to the present invention;

fig. 4 is a schematic top view of the connection ring according to the present invention.

In the figure: 1. a housing; 2. an end cap; 3. a first notch; 4. a piston; 5. a connecting rod; 6. pushing the plate; 7. a second recess; 8. a cross bar; 9. a limiting plate; 10. a connecting ring; 11. an adjusting plate; 12. a protective cover; 13. a first connecting pipe; 14. a second connecting pipe.

Detailed Description

The technical solutions 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 the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an ophthalmic injection and suction device comprises a shell 1, an end cover 2, a first notch 3, a piston 4, a connecting rod 5, a push plate 6, a second notch 7, a cross rod 8, a limiting plate 9, a connecting ring 10, an adjusting plate 11, a protective cover 12, a first connecting pipe 13 and a second connecting pipe 14, wherein the left end surface of the shell 1 is fixedly connected with the end cover 2, the left end surface of the end cover 2 is provided with the first notch 3, the shell 1 is internally provided with the piston 4, the left end surface of the piston 4 is connected with the connecting rod 5, the left end of the connecting rod 5 is connected with the push plate 6, the left end surface of the push plate 6 is reserved with the second notch 7, the second notches 7 are distributed at equal angles on the push plate 6, the limiting plate 9 is sunken in the second notch 7, the limiting plate 9 is in a sliding structure on the cross rod 8, meanwhile, the end cover 2 is fixedly connected with the push plate 6 through, the push plate 6 can be fixed by inserting the push plate into the end cover 2 through the first notch 3;

a cross bar 8 is arranged inside the second notch 7, a limit plate 9 is connected with the outer surface of the cross bar 8, a connecting ring 10 is sleeved on the outer surface of the shell 1, an adjusting plate 11 is connected with the right end of the connecting ring 10, the right end of the adjusting plate 11 is connected with a protective cover 12, the connecting ring 10 is in a sliding structure on the shell 1, the outer surface of the connecting ring 10 is in an annular groove-shaped structure, the sliding of the connecting ring 10 is convenient to drive the sliding of the protective cover 12, the longitudinal section of the protective cover 12 is in a semicircular structure, the protective cover 12 is hinged with the adjusting plate 11, and the protective cover 12, the first connection pipe 13 and the second connection pipe 14 may be covered to prevent contamination, the right end surface of the housing 1 is communicated with the first connection pipe 13, and a second connection pipe 14 is attached to an upper surface of the first connection pipe 13, and a left end of the second connection pipe 14 extends through to the inside of the housing 1.

The position of the end cover 2 corresponds to the position of the push plate 6 as shown in fig. 1 and 3, the push plate 6 and the connecting rod 5 form an integrated structure, and the right end of the connecting rod 5 is connected with the piston 4 through a bearing, so that the push plate 6 can be clamped inside the end cover 2, and the push plate 6 is fixed by the rotation of the connecting rod 5.

As shown in fig. 1, the outer end surface of the piston 4 is closely attached to the inner wall of the housing 1, the piston 4 and the second connection pipe 14 are connected in a sleeved manner, and the left end of the second connection pipe 14 is not in contact with the inner wall of the housing 1, so that the second connection pipe 14 is used for sucking the liquid.

The working principle is as follows: when using the injector for ophthalmology, firstly, the medical staff holds the housing 1 by hand, and puts the forefinger and the middle finger on the groove-shaped structure on the connecting ring 10 shown in fig. 4, then inserts the first connecting pipe 13 into the medicament, and then the medical staff manually pushes the push plate 6 shown in fig. 1 to move towards the left side, at this time, the connecting rod 5 drives the piston 4 to slide in the housing 1, so that the medicament is sucked into the housing 1 through the first connecting pipe 13;

after the medicine is extracted, the first connecting pipe 13 is opposite to the eyes of a patient, the push plate 6 is pushed to slide rightwards, the medicine in the shell 1 is injected into the eyes of the patient through the first connecting pipe 13 under the pushing of the piston 4, at the moment, a negative pressure environment is formed in the shell 1 due to the movement of the piston 4, and at the moment, the second connecting pipe 14 sucks the semi-colloid cortex of the eyeball of the patient;

when the device is not needed to be used, the device can be cleaned and sterilized, then the push plate 6 is pushed to slide rightwards to be completely clamped into the first notch 3 shown in fig. 3, then the push plate 6 is rotated in the end cover 2 by using the rotation of the connecting rod 5 on the piston 4, then the limiting plate 9 shown in fig. 3 is manually pushed to be inserted into the end cover 2 in a sliding way on the cross rod 8 to fix the push plate 6, then the connecting ring 10 is slid to the state shown in fig. 2, and the adjusting plate 11 is rotated to cover the first connecting pipe 13 and the second connecting pipe 14 by the protective cover 12, which is the whole process of using the ophthalmic injector, and the content which is not described in detail in the specification belongs to the prior art known by a person skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. An ophthalmic injector and aspirator, comprising a housing (1), a piston (4), a first connecting tube (13) and a second connecting tube (14), characterized in that: the left end surface of the shell (1) is fixedly connected with an end cover (2), a first notch (3) is formed in the left end surface of the end cover (2), a piston (4) is arranged inside the shell (1), the left end surface of the piston (4) is connected with a connecting rod (5), the left end of the connecting rod (5) is connected with a push plate (6), and a second notch (7) is reserved in the left end surface of the push plate (6);

the inside of second notch (7) is provided with horizontal pole (8), and the surface of horizontal pole (8) is connected with limiting plate (9), go-between (10) have been cup jointed to the surface of shell (1), and the right-hand member of go-between (10) is connected with regulating plate (11) to the right-hand member of regulating plate (11) is connected with safety cover (12), the right-hand member surface intercommunication of shell (1) has first connecting pipe (13), and the upper surface laminating of first connecting pipe (13) has second connecting pipe (14) to the left end of second connecting pipe (14) extends to run through to the inside of shell (1).

2. An ophthalmic syringe as defined in claim 1, wherein: the position of the end cover (2) corresponds to that of the push plate (6), the push plate (6) and the connecting rod (5) form an integrated structure, and the right end of the connecting rod (5) is connected with the piston (4) through a bearing.

3. An ophthalmic syringe as defined in claim 1, wherein: the outer end surface of piston (4) closely laminates with the inner wall of shell (1), and the connected mode of piston (4) and second connecting pipe (14) is for cup jointing to the left end of second connecting pipe (14) and the inner wall contactless setting of shell (1).

4. An ophthalmic syringe as defined in claim 1, wherein: second notch (7) are equiangular distribution on push pedal (6), and limiting plate (9) are sunken in the inside of second notch (7) to limiting plate (9) are sliding construction on horizontal pole (8), carry out fixed connection through limiting plate (9) between end cover (2) and push pedal (6) simultaneously.

5. An ophthalmic syringe as defined in claim 1, wherein: the connecting ring (10) is of a sliding structure on the shell (1), and the outer surface of the connecting ring (10) is of an annular groove-shaped structure.

6. An ophthalmic syringe as defined in claim 1, wherein: the longitudinal section of the protective cover (12) is in a semicircular structure, and the protective cover (12) is hinged with the adjusting plate (11).