CN211674861U

CN211674861U - Ophthalmic injection and suction device

Info

Publication number: CN211674861U
Application number: CN201922405272.0U
Authority: CN
Inventors: 罗三元; 陶娜
Original assignee: Central Hospital of Wuhan
Current assignee: Central Hospital of Wuhan
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-10-16
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses an ophthalmic annotates and inhales ware, including annotating the straw, the inside of annotating the straw is provided with the piston piece, one side fixedly connected with connecting block of piston piece, one side fixedly connected with catch bar of connecting block, the one end fixedly connected with of catch bar promotes the head, the surface of annotating the straw is provided with the scale mark, the one end fixedly connected with suction head of annotating the straw, the outer fixedly connected with connecting rod of annotating the straw, the one end fixedly connected with buffer tube of connecting rod. This ophthalmology is annotated and is inhaled ware, through the setting on buffer tube and resistance layer, the resistance layer can provide certain resistance to the stretching rod, avoids medical personnel to draw power too big and produce great suction in the twinkling of an eye to the contact hose of suction head one end can increase use comfort, has avoided the hardness of suction head too high and has reduced use comfort, thereby has reached the purpose that facilitates the use and improve use comfort.

Description

Ophthalmic injection and suction device

Technical Field

The utility model relates to the technical field of ophthalmic medical equipment, in particular to an ophthalmic injection and suction device.

Background

The anterior chamber angle is the angle between the cornea and the iris and is composed of the anterior and posterior walls and the crypts between the two walls. The anterior wall consists of the anterior-most Schwalbe line and the posterior trabecular meshwork, terminating in the scleral spur, and the posterior wall is the root of the iris. The crypt refers to the anterior end of ciliary body, also known as ciliary body belt, the anterior chamber of the patient of angle closure glaucoma is shallower, for early cataract and angle closure glaucoma patient, usually adopt cataract ultrasonic emulsification absorb and artificial lens implant and angle of chamber separate, this kind of art because artificial lens replace expanded crystal, the anterior chamber deepens, separate the angle of chamber at the same time, can improve vision, resume angle of chamber to open while reducing the change of the ocular structure at minimum, in the operation after the artificial lens is implanted into the capsular bag smoothly, inject the viscoelastic agent into the angle of chamber, separate and deepen the angle of chamber, suck the viscoelastic agent with the injection head. In the anterior chamber angle of open-angle glaucoma, trabecular meshwork is often blocked, for example, collagen of trabecular bundle is denatured, trabecular plate is thickened and contained, extracellular matrix of trabecular space especially near tubule tissue is abnormally accumulated, and the skin beside the canthus can be sucked by the common injection and suction device due to the suction force, so that the normal injection and suction is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides an ophthalmic injection and suction device, which solves the problem of the prior art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an ware is inhaled to ophthalmology notes, includes annotating the straw, the inside of annotating the straw is provided with the piston piece, one side fixedly connected with connecting block of piston piece, one side fixedly connected with catch bar of connecting block, the one end fixedly connected with of catch bar promotes the head, the surface of annotating the straw is provided with the scale mark, the one end fixedly connected with suction head of annotating the straw, the outer fixed surface of annotating the straw is connected with the connecting rod, the one end fixedly connected with buffer tube of connecting rod, the inner wall of buffer tube is provided with the resistance layer.

Optionally, one side of the pushing head is fixedly connected with a connecting disc, and one side of the connecting disc is fixedly connected with a connecting plate.

Optionally, the outer surface of the connecting plate is fixedly connected with a stretching rod, and one end of the stretching rod is fixedly connected with a stop block.

Optionally, one end of the suction head is fixedly connected with a contact hose, the number of the buffer tubes is two, and the radius of the stop block is larger than that of the stretching rod.

Optionally, the thickness of the resistance layer is two millimeters, the outer surface of the pushing head is provided with an anti-slip sleeve, and the outer surface of the anti-slip sleeve is provided with anti-slip lines.

(III) advantageous effects

The utility model provides an ophthalmic annotates and inhales ware possesses following beneficial effect:

this ophthalmology annotates and inhales ware, setting through buffer tube and resistance layer, during the use, medical personnel place the one end of this notes and inhales the ware in the assigned position, later pulling catch bar, make the piston piece move to the outside, the negative pressure gas that produces inhales the inside of viscoelastic agent to annotating the straw, the stretching pole of its both sides moves about in the inside of buffer tube simultaneously, its inside resistance layer can provide certain resistance to stretching the pole, avoid medical personnel to draw power too big and produce great suction in the twinkling of an eye, and the contact hose of suction head one end can increase use comfort, the hardness of having avoided the suction head is too high and reduce use comfort, thereby reached facilitate the use and improved use comfort's purpose.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the injection and suction pipe of the present invention;

fig. 3 is a schematic view of the structure of the buffer tube of the present invention.

In the figure: 1. injecting a suction pipe; 2. a piston block; 3. connecting blocks; 4. a push rod; 5. a pusher head; 6. scale lines; 7. a suction head; 8. a connecting rod; 9. a buffer tube; 10. a resistance layer; 11. a connecting disc; 12. a connecting plate; 13. a stretch rod; 14. a stopper; 15. contacting the hose.

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.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides an ophthalmology notes aspirator, is including annotating suction tube 1, its characterized in that: a piston block 2 is arranged inside the injection and suction pipe 1, the piston block 2 moves inside the injection and suction pipe 1 to generate negative pressure gas for absorption, a connecting block 3 is fixedly connected to one side of the piston block 2, a push rod 4 is fixedly connected to one side of the connecting block 3, a push head 5 is fixedly connected to one end of the push rod 4, scale marks 6 are arranged on the outer surface of the injection and suction pipe 1, and a suction head 7 is fixedly connected to one end of the injection and suction pipe 1;

the outer surface of the injection and suction pipe 1 is fixedly connected with a connecting rod 8, one end of the connecting rod 8 is fixedly connected with a buffer pipe 9, the inner wall of the buffer pipe 9 is provided with a resistance layer 10, the surface resistance of the buffer layer is very large, and the medical staff is prevented from excessively large instant driving force, one side of the pushing head 5 is fixedly connected with a connecting disc 11, one side of the connecting disc 11 is fixedly connected with a connecting plate 12, the outer surface of the connecting plate 12 is fixedly connected with two stretching rods 13, the number of the stretching rods 13 is two, the suction head 7 is fixedly connected with the injection and suction pipe 1 through a short pipe, the length of the short pipe is smaller than that of the injection and suction pipe 1, one end of the stretching rod 13 is fixedly connected with a stop block 14, the stretching rod 13 is prevented from separating from the inside of the buffer pipe 9, one end of the suction head 7, the outer surface of the pushing head 5 is provided with an anti-slip sleeve, and the outer surface of the anti-slip sleeve is provided with anti-slip lines.

As an optimal technical solution of the utility model: the stop 14 may prevent the stretch rod 13 from pulling out of the interior of the buffer tube 9.

To sum up, this ophthalmology notes suction apparatus, during the use, medical personnel place this one end of notes suction apparatus in the assigned position, later pulling catch bar 4 for piston block 2 moves to the outside, the negative pressure gas that produces inhales the inside of annotating suction tube 1 with the viscoelastic agent, the stretching pole 13 of its both sides moves about in the inside of buffer tube 9 simultaneously, its inside resistance layer 10 can provide certain resistance to stretching pole 13, avoid medical personnel too big suction that produces in the twinkling of an eye the power of pulling, and the contact hose 15 of suction head 7 one end can increase use comfort, avoided the too high and reduction use comfort of hardness of suction head 7, thereby reached facilitate the use and improved use comfort's purpose.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An ophthalmic injection and suction device comprises an injection and suction pipe (1), and is characterized in that: the utility model discloses a straw injection device, including annotating the inside of straw (1) and being provided with piston block (2), one side fixedly connected with connecting block (3) of piston block (2), one side fixedly connected with catch bar (4) of connecting block (3), the one end fixedly connected with of catch bar (4) promotes head (5), the surface of annotating straw (1) is provided with scale mark (6), the one end fixedly connected with suction head (7) of annotating straw (1), the outer fixed surface of annotating straw (1) is connected with connecting rod (8), the one end fixedly connected with buffer tube (9) of connecting rod (8), the inner wall of buffer tube (9) is provided with resistance layer (10).

2. The ophthalmic syringe of claim 1, wherein: one side of the pushing head (5) is fixedly connected with a connecting disc (11), and one side of the connecting disc (11) is fixedly connected with a connecting plate (12).

3. The ophthalmic syringe of claim 2, wherein: the outer surface of the connecting plate (12) is fixedly connected with a stretching rod (13), and one end of the stretching rod (13) is fixedly connected with a stop block (14).

4. The ophthalmic syringe of claim 3, wherein: one end fixedly connected with contact hose (15) of suction head (7), the quantity of buffer tube (9) is two, the radius of dog (14) is greater than the radius of tensile pole (13).

5. The ophthalmic syringe of claim 1, wherein: the thickness of the resistance layer (10) is two millimeters, the outer surface of the pushing head (5) is provided with an anti-skidding sleeve, and the outer surface of the anti-skidding sleeve is provided with anti-skidding lines.

6. The ophthalmic syringe of claim 4, wherein: the number of the stretching rods (13) is two, the suction head (7) is fixedly connected with the injection and suction pipe (1) through a short pipe, and the length of the short pipe is smaller than that of the injection and suction pipe (1).