CN213759518U - Paediatrics medicine feed ware - Google Patents

Abstract

The utility model discloses a paediatrics medicine feed ware, including cylinder (1), medicine mouth (2), piston (3) and push rod (4), this medicine mouth (2) are connected with cylinder (1) front end, but this piston (3) are located this cylinder (1) and sliding fit, but this push rod (4) front end is connected with piston (3), and this push rod (4) rear end stretches out cylinder (1), its characterized in that: also comprises an elastic medicine bag (5); the elastic medicine bag (5) is communicated with the inner cavity of the needle cylinder (1) and is positioned at one side close to the medicine nozzle (2). The utility model discloses can solve when the medicine feed extrusion hard too big or the misoperation, lead to the liquid medicine to extrude the technical problem who chokes the medicine or block the medicine that pressure is too big or flow is too big and cause, also can not have the liquid medicine extravagant simultaneously.

Description

Paediatrics medicine feed ware

Technical Field

The utility model relates to a paediatrics medicine feed ware.

Background

At present, a syringe type medicine feeder (for example, a disclosed medicine feeder for medical nursing, the publication number of which is CN105902396A) is often adopted for feeding medicines for infants, and nipples are arranged at the rear end of a syringe. When medicine is fed, the push rod needs to be held and the piston needs to be pushed inwards with force, and the liquid medicine in the needle cylinder is squeezed into the mouth of the baby through the nipple. However, because the baby will suck in a conditioned reflex and at the same time the degree of squeezing pressure (especially for the father and mother) is not easy to control, when the squeezing force is too large or the operation is not proper during the medicine feeding, the problem of too large squeezing pressure or too large flow exists, the medicine feeding is too fast and too urgent, and the baby is easy to choke the medicine or swallow the medicine before the medicine comes (i.e. the medicine jamming phenomenon).

SUMMERY OF THE UTILITY MODEL

In order to solve one or more defects in the above-mentioned that prior art exists, the utility model provides a paediatrics medicine feed ware.

In order to achieve the purpose, the utility model provides a paediatrics medicine feed ware, including cylinder (1), medicine mouth (2), piston (3) and push rod (4), this medicine mouth (2) are connected with cylinder (1) front end, but this piston (3) are located this cylinder (1) and sliding fit, and this push rod (4) front end is connected with piston (3), and this push rod (4) rear end stretches out cylinder (1), its characterized in that: also comprises an elastic medicine bag (5); the elastic medicine bag (5) is communicated with the inner cavity of the needle cylinder (1) and is positioned at one side close to the medicine nozzle (2).

By adopting the structure, the piston (3) extrudes towards the direction of the medicine nozzle (2) in the needle cylinder (1) during medicine feeding; when the medicine is fed, if the extrusion force is too large or the operation is not proper, the pressure of the liquid medicine in the needle cylinder (1) is over-pressure and extrudes into the elastic medicine bag (5), and the elastic medicine bag (5) is expanded to realize pressure relief. In addition, when the pressure of the liquid medicine in the needle cylinder (1) is reduced to be not overpressure, the liquid medicine in the elastic medicine bag (5) can flow back into the needle cylinder (1) again, and waste is avoided. Therefore, the technical problem of medicine choking or medicine blocking caused by overlarge extrusion force or overlarge flow of the liquid medicine due to overlarge extrusion force or improper operation during medicine feeding can be solved, and meanwhile, the waste of the liquid medicine can not be caused.

Furthermore, a dosing port (1-1) is arranged on the side wall of the needle cylinder (1); and a sealing element (6) for opening or closing the dosing port (1-1). Because the piston (3) is pulled out from the needle cylinder (1) and then liquid medicine is added in the prior art, the surface of the piston (3) and the surface of the inner wall of the needle cylinder (1) are easily polluted by bacteria when medicine is added, and the medicine is inconvenient to add in the medicine feeding process. The medicine feeding port (1-1) is formed in the side wall of the needle cylinder (1), liquid medicine can be directly added after the medicine feeding port (1-1) is opened, the piston (3) does not need to be pulled out of the needle cylinder (1), operation is more convenient, use is more sanitary, and the same or different liquid medicines can be conveniently added in the medicine feeding process.

Preferably, the sealing element (6) is a sealing plug. The sealing plug is used for internally blocking the inner hole of the dosing port (1-1) to realize closing and sealing.

As another preference, the sealing member (6) is a sealing cover. The sealing plug is used for covering the dosing port (1-1) to realize closing and sealing.

Further, the elastic medicine bag (5) is detachably mounted on the needle cylinder (1). The elastic medicine bag (5) can be conveniently cleaned and disinfected after being disassembled.

The utility model has the advantages that: the utility model discloses can solve when the medicine feed extrusion hard too big or the misoperation, lead to the liquid medicine to extrude the technical problem who chokes the medicine or block the medicine that pressure is too big or flow is too big and cause, also can not have the liquid medicine extravagant simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of a pediatric medicine feeder according to an embodiment when liquid medicine is filled in the pediatric medicine feeder.

Fig. 2 is an enlarged view at a in fig. 1.

Fig. 3 is an enlarged view at B in fig. 1.

Fig. 4 is a schematic structural diagram of a pediatric medicine feeder in the first embodiment when the medicine feeder is pressed for feeding.

Fig. 5 is a schematic structural view of a pediatric medicine feeder in the second embodiment.

Fig. 6 is an enlarged view at C in fig. 5.

Detailed Description

The invention will be further explained with reference to the following figures and examples:

the first embodiment is as follows: referring to fig. 1-4, a pediatric medicine feeder comprises a syringe 1, a medicine nozzle 2, a piston 3, a push rod 4 and an elastic medicine bag 5.

This medicine mouth 2 is connected with 1 front end of cylinder, but this piston 3 is located this cylinder 1 and sliding fit, and 4 front ends of this push rod are connected with piston 3, and 4 rear ends of this push rod stretch out syringe 1 its characterized in that: also includes; the elastic medicine bag 5 is communicated with the inner cavity of the needle cylinder 1 and is positioned at one side close to the medicine nozzle 2.

Before medicine feeding, the liquid medicine is filled into the needle cylinder 1 (see fig. 1), and the push rod 4 is pressed during medicine feeding, and the push rod 4 drives the piston 3 to extrude and move towards the medicine nozzle 2 in the needle cylinder 1; when the pressing force is too large or the operation is not proper during medicine feeding, the pressure of the liquid medicine in the needle cylinder 1 is over-pressure and is pressed into the elastic medicine bag 5, and the elastic medicine bag 5 is expanded (see fig. 2) to realize pressure relief. In addition, as the medicine nozzle 2 can flow out the liquid medicine in the needle cylinder 1, when the pressure of the liquid medicine in the needle cylinder 1 is reduced to be not overpressure, the liquid medicine in the elastic medicine bag 5 can flow back into the needle cylinder 1 again and enter the mouth of the baby from the medicine nozzle 2 under the normal pressure of the liquid medicine, and the waste problem can not exist; secondly, the elastic medicine bag 5 can be squeezed to squeeze the medicine liquid in the elastic medicine bag 5 back into the syringe 1. Therefore, the utility model discloses can solve when the medicine feed extrusion hard or the misoperation, lead to the liquid medicine to extrude the technical problem that chokes the medicine or block the medicine that pressure is too big or the flow is too big and cause, also can not have the liquid medicine extravagant simultaneously.

Further, a medicine adding port 1-1 is arranged on the side wall of the needle cylinder 1; and a sealing member 6 for opening or closing the dosing port 1-1. Because the liquid medicine is added after the piston 3 is pulled out of the needle cylinder 1 in the prior art, the surface of the piston 3 and the surface of the inner wall of the needle cylinder 1 are easily polluted by bacteria when medicine is added, and the medicine is inconvenient to add in the medicine feeding process. The side wall of the needle cylinder 1 is provided with the medicine adding port 1-1, liquid medicine can be directly added after the medicine adding port 1-1 is opened, the piston 3 does not need to be pulled out of the needle cylinder 1, the operation is more convenient, the use is more sanitary, and the same or different liquid medicines can be conveniently added in the medicine feeding process.

The seal 6 is a sealing plug. The sealing plug is used for internally blocking an inner hole of the dosing port 1-1 to realize closing and sealing.

Preferably, the dosing port 1-1 comprises an inner hole 1-11 and a concave ring groove 1-12 arranged on the inner wall of the middle part of the inner hole 1-11; the sealing plug comprises an outer blocking part 6-11 and an inner plugging part 6-12, wherein the outer diameter of the outer blocking part 6-11 is larger than the inner diameter of an inner hole 1-11, and the inner plugging part 6-12 is matched with the inner hole 1-11 and is in interference fit with the inner hole 1-11; the outer wall of the inner plug-in part 6-12 is provided with a convex ring 6-13 used for being matched with the concave ring groove 1-12, the convex ring 6-13 is matched with the concave ring groove 1-12 and is in interference fit with the concave ring groove 1-12, and the sealing plug is made of elastic materials (such as rubber). Thus, the sealing plug is plugged into the inner hole of the medicine feeding port 1-1 to block and seal, and meanwhile, the convex rings 6-13 are matched with the concave ring grooves 1-12 to bear higher pressure, so that leakage in medicine feeding can be avoided.

Further, the elastic medicine bag 5 is detachably mounted on the cylinder 1. The elastic medicine bag 5 can be conveniently cleaned and disinfected after being disassembled. The syringe 1 is provided with a pressure relief hole 1-2, the elastic medicine bag 5 comprises a bag body 5-1 and a pipe joint 5-2, and the pipe joint 5-2 is matched and connected with the pressure relief hole 1-2 through a pipe thread structure.

Example two: referring to fig. 5-6, the present embodiment is substantially the same as the first embodiment, except that: the specific structure of the seal is different.

In this embodiment, the sealing member 6 is a sealing cap. The sealing plug is used for covering the dosing port 1-1 to realize closing and sealing.

The sealing cover comprises a top cover part 6-21 and an internal thread pipe part 6-22, wherein the outer end of the medicine adding opening 1-1 is provided with an external thread pipe convex part 1-21, the internal thread pipe part 6-22 is in threaded fit with the external thread pipe convex part 1-21, and a rubber gasket 7 is lined between the top cover part 6-21 and the outer end face of the external thread pipe convex part 1-21. Because the rubber pad 7 is made of elastic materials, elastic sealing can be formed between the sealing cover and the medicine feeding port 1-1, the sealing performance can be further improved, leakage during medicine feeding can be avoided, in addition, because the rubber pad 7 can be detached, the cleaning and the disinfection can be realized, and the operation is very convenient.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims (5)

1. The utility model provides a paediatrics medicine feed ware, includes cylinder (1), medicine mouth (2), piston (3) and push rod (4), and this medicine mouth (2) are connected with cylinder (1) front end, but this piston (3) are located this cylinder (1) and sliding fit, and this push rod (4) front end is connected with piston (3), and this push rod (4) rear end stretches out cylinder (1), its characterized in that: also comprises an elastic medicine bag (5);

the elastic medicine bag (5) is communicated with the inner cavity of the needle cylinder (1) and is positioned at one side close to the medicine nozzle (2).

2. The pediatric drug feeder of claim 1, wherein: a medicine adding port (1-1) is arranged on the side wall of the needle cylinder (1);

and a sealing element (6) for opening or closing the dosing port (1-1).

3. The pediatric drug feeder of claim 2, wherein: the sealing element (6) is a sealing plug.

4. The pediatric drug feeder of claim 2, wherein: the sealing element (6) adopts a sealing cover.

5. The pediatric drug feeder of any one of claims 1-4, wherein: the elastic medicine bag (5) is detachably arranged on the needle cylinder (1).

Images