WO2022126850A1

WO2022126850A1 - Medicine feeder

Info

Publication number: WO2022126850A1
Application number: PCT/CN2021/075428
Authority: WO
Inventors: 曾国涛
Original assignee: 曾国涛
Priority date: 2020-12-14
Filing date: 2021-02-05
Publication date: 2022-06-23
Also published as: CN112515967A

Abstract

Disclosed in the present invention is a medicine feeder, comprising: a first tube having a front end portion provided with an injection tip and a back end portion in which a first cavity is formed, an injection channel being formed inside the injection tip, and the injection channel being communicated with the first cavity after running through the side wall thereof; a second tube having a front end portion on which a first piston is mounted, the second tube being movably and sealingly mounted on the inner side wall of the first cavity by means of the first piston, a second cavity being formed in a back end portion of the second tube, a liquid flow passage being formed inside the first piston, and the liquid flow passage having one end communicated with the second cavity and the other end comprising two states of being communicated and closed; and a pull rod having one end at which a second piston is mounted, and the pull rod being movably and sealingly mounted in the second cavity by means of the second piston. By means of the medicine feeder, a continuous action of first injecting liquid medicine into the mouth of a child and then injecting sweet water into same can be implemented. The pain of the child is reduced as much as possible.

Description

a medicine feeder

technical field

The invention relates to the technical field of medicine feeding, in particular to a medicine feeder.

Background technique

As we all know, feeding medicine to infants and young children is time-consuming and labor-intensive, and the operation is difficult. Especially the more bitter liquid medicine, infants and young children are particularly resistant and repelled.

When using the existing medicine feeder to feed medicine, generally the medicine liquid is injected into the mouth of the infant through the medicine feeder, and then another medicine feeder is replaced to inject the pre-filled sugar water into the mouth of the infant and child. , gargle with sugar water to ease the bitter taste of the liquid medicine and soothe the child's mood. Or use the same applicator to inhale the sugar water again and inject it into the child's mouth. As a result, on the one hand, there is a time difference between the injection of the medicinal liquid and the sugar water, which in disguise prolongs the child's pain, and on the other hand, the medicine feeder needs to be inserted into the child's mouth again. Due to conditioned reflexes and a bitter taste in the mouth, children will keep their mouths tightly closed, and may also be accompanied by crying resistance, which makes it difficult to implement the second feeding or feeding of sugar water, which brings great inconvenience to feeding.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a medicine feeder, which can successively inject medicine water and mouthwash, which is easy to operate and reduces the pain of children.

The technical scheme adopted in the present invention is: a medicine feeder, comprising:

a first tube body, the front end of the first tube body has an injection end, the rear end of the first tube body is formed with a first cavity, an injection channel is formed inside the injection end, and the injection channel After passing through the side wall of the first cavity, it communicates with the first cavity;

A second pipe body, a first piston is installed at the front end of the second pipe body, the second pipe body is mounted on the inner side wall of the first cavity through the first piston movable seal, and the first A second cavity is formed at the rear end of the two pipes, a liquid flow channel is formed inside the first piston, one end of the liquid flow channel is communicated with the second cavity, and the other end has two types of communication and sealing In the state, when the first piston slides away from the front end of the first pipe body, the other end of the liquid flow channel is kept sealed, and the first piston slides to the inner side of the front end of the first pipe body. When connected, the other end of the liquid flow channel is switched to communicate with the injection channel;

One end of the pull rod is installed with a second piston, and the pull rod is installed in the second cavity through the movable seal of the second piston.

Beneficial effects: Before loading the liquid medicine and mouthwash, set the medicine feeder to the initial state, that is, the first piston slides to contact the inner side of the front end of the first tube body, and the second piston slides to contact with the The inner side of the front end portion of the second pipe body is in contact with each other. Hold down the second tube body and pull the pull rod, so that the second piston slides away from the front end of the second tube body, and the gargle liquid enters the second cavity through the injection channel and the liquid flow channel in a connected state, thereby completing the gargle Prefilling of oral fluids. Then pull the second tube body to make the first piston slide away from the front end of the first tube body. At this time, the liquid flow channel is switched to a closed state, the mouthwash in the second cavity is kept in a sealed state, and the liquid medicine passes through the injection channel Enter into the first cavity, and then complete the pre-installation of the potion. When feeding medicine, the user presses down the pull rod. Since the second cavity remains sealed, the medicine in the first cavity is first injected into the child's mouth through the injection channel. When the first piston slides to the inside of the front end of the first tube body When it touches, the potion is filled. At the same time, the liquid flow channel is switched to communicate with the injection channel, and the mouthwash can be continuously injected into the mouth of the child seamlessly. Using the medicine feeder, the medicine and the mouthwash can be pre-filled at one time, and the continuous action of injecting the medicine into the mouth of the child and then the mouthwash can be realized. There is no time gap between injecting the potion and before injecting the mouthwash. On the one hand, the pain of the child is reduced as much as possible; on the other hand, it is avoided to perform it twice separately, which solves the problem of the child closing his mouth due to resistance.

Further, the injection channel is arranged on the outer periphery of the front end of the first tube body, and the injection channel is arranged at a port close to the first cavity body toward the central axis of the first tube body.

Further, an annular groove is provided on the outer periphery of the first piston, and when the first piston slides to abut against the inner side of the front end of the first pipe body, the annular groove communicates with the injection channel.

Further, a first holding protrusion is formed at the rear end of the first pipe body, a second holding protrusion is formed at the rear end of the second pipe body, and the first holding protrusion is connected to the first holding protrusion. The two holding protrusions are alternately arranged, or the outer contour size of the second holding protrusion is larger than the outer contour size of the first holding protrusion.

Further, the end of the pull rod is provided with a third holding protrusion, and a pull ring is provided on the third holding protrusion.

Further, the second pipe body is detachably connected to the first piston.

Further, the front end of the second pipe body is formed with a hollow plug inserted into the liquid flow channel, and the hollow plug communicates with the liquid flow channel and the second cavity.

Further, the pull rod is detachably connected to the second piston.

Further, the outer circumferences of the first pipe body and the second pipe body are provided with scale lines.

Description of drawings

Below in conjunction with accompanying drawing and embodiment, the present invention is further described:

1 is a schematic diagram of the overall structure of an embodiment of the present invention in an unfolded state;

Fig. 2 is the front view of Fig. 1;

Fig. 3 is the sectional structure schematic diagram of Fig. 2;

4 is a schematic diagram of the overall structure of an embodiment of the present invention in a contracted state;

FIG. 5 is a schematic cross-sectional structure diagram of FIG. 4 .

Detailed ways

This part will describe the specific embodiments of the present invention in detail, and the preferred embodiments of the present invention are shown in the accompanying drawings. Each technical feature and overall technical solution of the invention should not be construed as limiting the protection scope of the invention.

In the description of the present invention, it should be understood that the azimuth description, such as the azimuth or position relationship indicated by up, down, front, rear, left, right, etc., is based on the azimuth or position relationship shown in the drawings, only In order to facilitate the description of the present invention and simplify the description, it is not indicated or implied that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, exceeding, etc. are understood as not including this number, above, below, within, etc. are understood as including this number. If it is described that the first and the second are only for the purpose of distinguishing technical features, it cannot be understood as indicating or implying relative importance, or indicating the number of the indicated technical features or the order of the indicated technical features. relation.

In the description of the present invention, unless otherwise clearly defined, words such as setting, installation, connection should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

1 to 5 , an embodiment of the present invention provides a medicine feeder, which is mainly composed of a first tube body 100 , a second tube body 200 , a first piston 400 , a second piston 500 and a pull rod 300 . The medicine feeder can successively inject medicine liquid and mouthwash. It should be understood that the mouthwash can be sugar water, pure water and other mouthwashes, and this embodiment is described by taking the medicine feeder preloaded with sugar water.

The front end of the first tube body 100 has an injection end 120, the rear end of the first tube body 100 is formed with a first cavity 130, an injection channel 121 is formed inside the injection end 120, and the injection channel 121 penetrates the first cavity The side wall of the body 130 communicates with the first cavity 130 afterward. A first piston 400 is installed at the front end of the second tube body 200 , the second tube body 200 is movably sealed and installed on the inner side wall of the first cavity 130 through the first piston 400 , and the rear end of the second tube body 200 is formed with a In the second cavity 220, a liquid flow channel 410 is formed inside the first piston 400. One end of the liquid flow channel 410 communicates with the second cavity 220, and the other end has two states of communication and sealing. The first piston 400 is far away from the first tube. When the front end of the body 100 slides, the other end of the liquid flow channel 410 is kept sealed, and when the first piston 400 slides to contact the inside of the front end of the first tube body 100, the other end of the liquid flow channel 410 is switched to the injection channel 121 Connected. A second piston 500 is installed on one end of the pull rod 300 , and the pull rod 300 is installed in the second cavity 220 through the second piston 500 in a movable seal. The other end of the pulling rod 300 is provided with a third holding protrusion 310 , and a pulling ring 320 is provided on the third holding protrusion 310 to facilitate operation.

Before using the medicine feeder to load the liquid medicine and sugar water, set the medicine feeder to the initial state, that is, the first piston 400 slides to contact the inner side of the front end of the first tube body 100, and the second piston 500 slides to contact with the inner side of the front end of the first tube body 100. The inner side of the front end portion of the second pipe body 200 is in contact with each other. Press and hold the second tube body 200 and pull the pull rod 300 so that the second piston 500 slides away from the front end of the second tube body 200 , and the sugar water enters the second cavity 220 through the injection channel 121 and the liquid flow channel 410 in a connected state , and then complete the pre-installation of sugar water. Then, the second tube body 200 is pulled so that the first piston 400 slides away from the front end of the first tube body 100. At this time, the liquid flow channel 410 is switched to a closed state, the sugar water in the second cavity 220 is kept in a sealed state, and the syrup passes through The injection channel 121 enters into the first cavity 130 to complete the preloading of the medicinal solution. When feeding medicine, the user presses down the pull rod 300. Since the second cavity 220 is kept in a sealed state, the medicine in the first cavity 130 is first injected into the child's mouth through the injection channel 121. When the inner side of the front end portion of the tube body 100 abuts, the injection of the medicinal solution is completed. At the same time, the liquid flow channel 410 is switched to communicate with the injection channel 121, and the sugar water can be continuously injected into the mouth of the child seamlessly. Using the medicine feeder, the medicine and sugar water can be pre-filled at one time, and the continuous action of injecting the medicine into the mouth of the child and then the sugar water can be realized. There is no time gap between the injection of the potion and the injection of the sugar water. On the one hand, the pain of the child is reduced as much as possible; on the other hand, it is avoided to perform it twice separately, which solves the problem of the child closing his mouth due to resistance.

Preferably, the injection channel 121 is provided at the outer periphery of the front end of the first tube body 100 , and the injection channel 121 is provided near the port of the first cavity 130 toward the central axis of the first tube body 100 . In this way, the fast switching of the communication between the liquid flow channel 410 and the injection channel 121 can be achieved efficiently by means of the sliding of the first piston 400 .

In some embodiments, the outer circumference of the first piston 400 is provided with an annular groove 420 . When the first piston 400 slides to abut against the inner side of the front end of the first tubular body 100 , the annular groove 420 communicates with the injection channel 121 . The two sides of the annular groove 420 are connected with the inner side wall of the first pipe body 100 in a movable and sealing manner. By setting the annular groove 420, the assembly is convenient, and the directional installation of the first piston 400 is released, that is, the first piston 400 can be installed at will. It is ensured that the injection passage 121 can communicate with the liquid flow passage 410 through the annular groove 420 when the first piston 400 slides to abut against the inner side of the front end portion of the first tubular body 100 .

Preferably, a first holding protrusion 110 is formed at the rear end of the first pipe body 100 , a second holding protrusion 210 is formed at the rear end of the second pipe body 200 , the first holding protrusion 110 and the second holding protrusion The first holding protrusions 110 and the second holding protrusions 210 arranged in a staggered manner will not interfere with each other when they are close to each other, which solves the problem of inconvenient operation caused by close proximity.

Alternatively, the outer contour size of the second holding protrusion 210 is larger than the outer contour size of the first holding protrusion 110 . In this way, when pre-installing the potion, the user can hold the first tube body 100 with one hand and the second holding protrusion 210 with the other hand, and pull up the second tube body 200 to complete the potion. preinstalled.

It should be understood that, when the sugar syrup is pre-installed, it is only necessary to hold down the first holding protrusion 110 and the second holding protrusion 210, and then pull the rear pull rod 300, and this can be achieved.

It should be understood that, since the medicine feeder is a nested structure, the syrup is pre-filled first, and then the syrup is pre-loaded, which can prevent the syrup from mixing with the syrup.

Preferably, the second pipe body 200 is detachably connected to the first piston 400 , and the pull rod 300 is detachably connected to the second piston 500 to facilitate disassembly and cleaning.

In some embodiments, the front end of the second pipe body 200 is formed with a hollow plug 230 inserted into the liquid flow channel 410 , and the hollow plug 230 communicates with the liquid flow channel 410 and the second cavity 220 .

Preferably, the outer circumferences of the first tube body 100 and the second tube body 200 are provided with scale lines, so as to control the injection amount.

The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, and can also be made within the scope of knowledge possessed by those of ordinary skill in the technical field without departing from the purpose of the present invention. Various changes.

Claims

A medicine feeder, characterized in that it comprises:

a first tube body, the front end of the first tube body has an injection end, the rear end of the first tube body is formed with a first cavity, an injection channel is formed inside the injection end, and the injection channel After passing through the side wall of the first cavity, it communicates with the first cavity;

A second pipe body, a first piston is installed at the front end of the second pipe body, the second pipe body is mounted on the inner side wall of the first cavity through the first piston movable seal, and the first A second cavity is formed at the rear end of the two pipes, a liquid flow channel is formed inside the first piston, one end of the liquid flow channel is communicated with the second cavity, and the other end has two types of communication and sealing In the state, when the first piston slides away from the front end of the first pipe body, the other end of the liquid flow channel is kept sealed, and the first piston slides to the inner side of the front end of the first pipe body. When connected, the other end of the liquid flow channel is switched to communicate with the injection channel;

One end of the pull rod is installed with a second piston, and the pull rod is installed in the second cavity through the movable seal of the second piston.
The medicine feeder according to claim 1, wherein the injection channel is arranged on the outer periphery of the front end of the first tube body, and the injection channel faces the The central axis of the first pipe body is set.
The medicine feeder according to claim 2, wherein the outer circumference of the first piston is provided with an annular groove, and when the first piston slides to abut against the inner side of the front end of the first pipe body, The annular groove communicates with the injection channel.
The medicine feeder according to claim 1, wherein a first holding protrusion is formed at the rear end of the first tube body, and a second holding protrusion is formed at the rear end of the second tube body , the first holding protrusions and the second holding protrusions are alternately arranged, or the outer contour size of the second holding protrusions is larger than the outer contour size of the first holding protrusions.
The medicine feeder according to claim 1, wherein the other end of the pull rod is provided with a third holding protrusion, and a pull ring is provided on the third holding protrusion.
The medicine feeder according to claim 1, wherein the second tube body is detachably connected to the first piston.
The medicine feeder according to claim 6, wherein a hollow plug inserted into the liquid flow channel is formed at the front end of the second pipe body, and the hollow plug communicates with the liquid flow channel and the liquid flow channel. second cavity.
The medicine feeder according to claim 1, wherein the pull rod is detachably connected with the second piston.
The medicine feeder according to claim 1, wherein the outer circumferences of the first tube body and the second tube body are provided with scale lines.