CN212662456U

CN212662456U - Department of stomatology quantitative injection device

Info

Publication number: CN212662456U
Application number: CN202020406202.7U
Authority: CN
Inventors: 李小心; 姚瑶
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2021-03-09
Anticipated expiration: 2030-03-26

Abstract

The utility model discloses a department of stomatology quantitative injection device, include by the injection tube, the push rod, a piston, the injection device that the injection head is constituteed, be provided with spacing cell body on the injection tube, be provided with the quad slit of the multiunit equidistance that runs through spacing cell body on the spacing cell body lateral wall, be provided with square slider in the quad slit, the stalk portion swing joint of push rod has the gag lever post, the gag lever post is provided with the stopper with the corresponding one side of square slider, be provided with the spacing groove on the square slider, the upper end that spacing cell body is located square slider is provided with corresponding spacing hole, be provided with spring button device on the square slider, the gag lever post is located the relative one side of stopper and is provided with first slider, one side that the injection tube. The utility model discloses a set up the position of square slider in square hole, can block and pass the gag lever post for the medicine in the injection tube can the ration spray oral cavity, thereby is favorable to patient's treatment more.

Description

Department of stomatology quantitative injection device

Technical Field

The utility model relates to a medical auxiliary instrument field specifically sets up a department of stomatology quantitative injection device.

Background

Department of stomatology, one of the medical discipline categories. The major stomatological disorders include: stomatoglossal part skin sample, epiderm submaxillary space infection, jaw face lymphangioma, dentate process development deformity, maxillary sinus malignant tumor, jaw bone amelogenesis cytoma, chronic ethmoid sinusitis, mandibular retropulsion, tetracycline teeth disease, tongue leukoplakia, etc. In the department of stomatology, often have the condition with liquid medicine injection oral cavity, wherein have the restriction to the volume of medicine, spout too much medicine and easily flow into the esophagus, arouse patient's malaise, too little dose probably can not reach the effect of treatment, though current injection device has the mark scale, but medical personnel are difficult to accurately master the propelling movement way when the injection, easily cause the unstability of injection volume.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a department of stomatology quantitative injection device, the utility model discloses the device can block and pass the gag lever post through setting up the position of square slider in square hole for the medicine in the injection tube can the quantitative injection oral cavity, thereby is favorable to patient's treatment more. The utility model discloses can effectively solve the problem in the background art.

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

a quantitative injection device for stomatology department comprises an injection device consisting of an injection tube, a push rod, a piston and an injection head, the injection tube is provided with a limit groove body, the side wall of the limit groove body is provided with a plurality of groups of equidistant square holes which run through the limit groove body, a square sliding block is arranged in the square hole, the handle part of the push rod is movably connected with a limiting rod, one side of the limiting rod corresponding to the square sliding block is provided with a limiting block, the square sliding block is provided with a limiting groove which corresponds to the limiting block and is used for the limiting block to pass through, the limiting groove body is arranged at the upper end of the square sliding block and is provided with a corresponding limiting hole, the square sliding block is provided with a spring button device corresponding to the limiting hole, the limiting rod is provided with a first sliding block at one side opposite to the limiting block, one side of the injection tube in the limiting groove body is provided with a first sliding groove corresponding to the first sliding block.

Further, the stalk portion of push rod is provided with the second spout, be provided with the second slider corresponding with the second spout on the gag lever post, the gag lever post passes through second slider and second spout swing joint, can take the gag lever post out from the second spout through the second slider when not using the gag lever post, dismantles the gag lever post from the stalk portion of push rod promptly, can conveniently install fast and dismantle the gag lever post at the stalk portion of push rod through setting up second slider and second spout.

Further, spring button device is including setting up the recess on square slider, the recess activity is provided with the round bar corresponding with spacing hole, reset spring and recess bottom are passed through to the bottom of round bar and are connected, when pressing square slider, can extrude reset spring through the round bar, make the round bar retract the recess in, press the square spout again this moment and remove in the quad slit, until the round bar gets into another spacing downthehole, accomplish the removal and the injecing of spacing groove position on the square slider this moment.

Furthermore, be provided with the scale mark on the lateral wall of injection tube, injection tube is located scale mark one side and is provided with transparent viewing aperture, when not needing strict quantitative injection, can absorb and inject the liquid medicine through the scale mark on the injection tube.

Further, swing joint has the sprinkler head on the injection head, the sprinkler head passes through connector and injection head threaded connection, be provided with a plurality of spray holes on the sprinkler head, according to patient's oral cavity sick position difference, can be connected the sprinkler head of different shapes with the injection head, the convenience is to the better injection treatment in affected part.

The working principle is as follows: when injection is carried out, injection liquid is sucked into the injection tube, the limiting rod is movably arranged at the handle part of the push rod to push the push rod, the first slide block of the limiting rod is movably connected with the first slide groove, the spring button device on the square slide block penetrates into a limiting hole close to one side of the square slide block, which extends out of the square hole, the limiting groove on the square slide block is staggered with the limiting block, the push rod is continuously pushed to abut the limiting block on the limiting rod against the square slide block, the injection head is aligned to the pain part in the oral cavity of a patient, the spring button device on the square slide block is contracted and continuously slides to and penetrates into the other limiting hole by pressing the square slide block, the limiting groove on the square slide block corresponds to the limiting block, the limiting block penetrates through the limiting groove until being blocked by the next square slide block by pushing the push rod, and the square slide blocks are repeatedly and sequentially pressed until the push rod pushes the, complete the full ejection of the medicament from the syringe barrel.

Has the advantages that: through setting up the position of square slider in square hole, can block and pass the gag lever post, because each group equals to the distance between the group shape hole, the gag lever post does not pass through a square slider, and the push rod is equal to liquid medicine propelling movement's volume in the injection tube for medicine in the injection tube can the ration spray go into the oral cavity, can not spray too much or too little, thereby is favorable to patient's treatment more.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a top view of the present invention.

Figure 3 is the utility model discloses injection tube and spacing cell body inner structure cross-sectional view.

In the figure: 1, an injection cylinder; 2, an injection head 3 push rod; 4, a piston; 5 spraying holes; 7, a limiting groove body; 8, a square sliding block; 9, limiting holes; 10 a limiting block; 11 a round bar; 12, grooves; 13 a return spring; 14, a limiting groove; 15 a first runner; 16 square holes; 17, a limiting rod; 19 a first slide; 20 connecting heads; 21 a sprinkler head; 22 a transparent viewing port; 23 graduation lines; 24 a second slide; 25 second runner.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a quantitative injection device for department of stomatology comprises an injection device composed of an injection tube 1, a push rod 3, a piston 4 and an injection head 2, wherein the injection tube 1 is provided with a limit groove body 7, the side wall of the limit groove body 7 is provided with a plurality of equidistant square holes 16 penetrating through the limit groove body 7, a square slider 8 is arranged in each square hole 16, the handle part of the push rod 3 is movably connected with a limit rod 17, one side of each limit rod 17 corresponding to the square slider 8 is provided with a limit block 10, the square slider 8 is provided with a limit groove 14 corresponding to the limit block 10 and allowing the limit block 10 to pass through, the upper end of the limit groove body 7, which is positioned at the square slider 8, is provided with a corresponding limit hole 9, the square slider 8 is provided with a spring button device corresponding to the limit hole 9, the limit rod 17, which is positioned at the, one side of the injection tube 1 in the limiting groove body 7 is provided with a first sliding groove 15 corresponding to the first sliding block 19.

The handle of the push rod 3 is provided with a second sliding groove 25, the limiting rod 17 is provided with a second sliding block 24 corresponding to the second sliding groove 25, and the limiting rod 17 is movably connected with the second sliding groove 25 through the second sliding block 24.

The spring button device comprises a groove 12 formed in the square sliding block 8, a round rod 11 corresponding to the limiting hole 9 is movably arranged in the groove 12, and the bottom end of the round rod 11 is connected with the bottom end of the groove 12 through a return spring 13.

Wherein, be provided with scale mark 23 on the lateral wall of injection tube 1, injection tube 1 is located scale mark 23 one side and is provided with transparent viewing port 22.

Wherein, the injection head 2 is movably connected with a sprinkler head 21, the sprinkler head 21 is in threaded connection with the injection head 2 through a connector 20, and the sprinkler head 21 is provided with a plurality of sprinkling holes 5.

Example (b): when injection is carried out, injection liquid is sucked into the injection tube 1, the limiting rod 17 is movably arranged at the handle part of the push rod 3, the push rod 3 is pushed, the first slide block 19 of the limiting rod 17 is movably connected with the first slide groove 15, the spring button device on the square slide block 8 penetrates into the limiting hole 9 which is close to one side of the square slide block 8 and extends out of the square hole 16, the limiting groove 14 on the square slide block 8 is staggered with the limiting block 10, the push rod 3 is continuously pushed, the limiting block 10 on the limiting rod 17 is abutted against the square slide block 8, the injection head 2 is aligned to the pain part in the oral cavity of a patient, the spring button device on the square slide block 8 is contracted and continuously slides to and penetrates into the other limiting hole 9 by pressing the square slide block 8, the limiting groove 14 on the square slide block 8 corresponds to the position of the limiting block 10, the limiting block 10 penetrates through the limiting groove 14 until being blocked by the next square slide block 8, repeatedly and sequentially pressing each square sliding block 8 until the push rod 3 pushes the limiting rod 17 to slide into the bottom end of the limiting groove body 7, and completing the complete injection of the medicine in the syringe 1.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a department of stomatology quantitative injection device, includes the injection device who comprises injection tube, push rod, piston, injection head, its characterized in that: be provided with spacing cell body on the injection tube, be provided with the equidistance quad slit that runs through spacing cell body on the spacing cell body lateral wall, be provided with square slider in the quad slit, the stalk portion swing joint of push rod has the gag lever post, the gag lever post is provided with the stopper with the corresponding one side of square slider, be provided with the spacing groove corresponding with the stopper and that supply the stopper to pass on the square slider, the upper end that spacing cell body is located square slider is provided with corresponding spacing hole, be provided with the spring button device corresponding with spacing hole on the square slider, the gag lever post is located the relative one side of stopper and is provided with first slider, one side that the injection tube is located spacing cell body is provided with the first spout corresponding with first slider.

2. The dental metered dose spray device of claim 1, wherein: the stalk portion of push rod is provided with the second spout, be provided with the second slider corresponding with the second spout on the gag lever post, the gag lever post passes through second slider and second spout swing joint.

3. The dental metered dose spray device of claim 1, wherein: the spring button device comprises a groove arranged on the square sliding block, a round rod corresponding to the limiting hole is movably arranged in the groove, and the bottom end of the round rod is connected with the bottom end of the groove through a return spring.

4. The dental metered dose spray device of claim 1, wherein: the side wall of the injection tube is provided with scale marks, and one side of the injection tube, which is positioned on the scale marks, is provided with a transparent viewing port.

5. The dental metered dose spray device of claim 1, wherein: the injection device is characterized in that the injection head is movably connected with a spraying head, the spraying head is in threaded connection with the injection head through a connector, and a plurality of spraying holes are formed in the spraying head.