CN209864884U

CN209864884U - Anti-drop precision infusion apparatus

Info

Publication number: CN209864884U
Application number: CN201821403340.9U
Authority: CN
Inventors: 余一茹
Original assignee: Wenzhou Peoples Hospital
Current assignee: Wenzhou Peoples Hospital
Priority date: 2018-08-29
Filing date: 2018-08-29
Publication date: 2019-12-31
Anticipated expiration: 2028-08-29

Abstract

The utility model relates to an anti-drop precise infusion apparatus, which comprises an infusion tube, wherein one end of the infusion tube is fixed with a needle head, and the infusion apparatus also comprises an anti-drop device, the anti-drop device comprises a connecting tube positioned on the infusion tube, a branch tube is arranged on the connecting tube, the lower end of the connecting tube is provided with a switch valve, and the switch valve is positioned at the lower side of the branch tube; a support piece is fixed on the branch pipe, the support piece comprises a horizontal pipe connected with the branch pipe, one end of the horizontal pipe, which is far away from the branch pipe, is connected with a vertical pipe, an adapter pipe is fixed at the upper end of the vertical pipe, locking pieces are respectively arranged at two ends of the adapter pipe, each locking piece comprises a shell, a locking cavity is arranged in each shell, and one end, connected with the adapter pipe, of each locking cavity is communicated with the adapter pipe through a locking hole; an elastic air bag is fixed in the locking cavity, the elastic air bag is fixed at one end of the locking cavity far away from the adapter tube, and a through hole for the elastic air bag to extend out of the shell is formed in the position of the shell corresponding to the needle head; the vertical pipe or the horizontal pipe is provided with a locking valve. The transfusion device is convenient to refit on the prior transfusion device, and has simple operation and convenient use.

Description

Anti-drop precision infusion apparatus

Technical Field

The utility model relates to a medical instrument especially relates to an anti-drop accurate transfusion system.

Background

At present, an infusion apparatus used clinically mainly comprises an infusion needle, an infusion tube, a dropping funnel, a flow regulator and an infusion needle, because a liquid guide needle on the infusion apparatus is directly inserted into a bottle stopper of an infusion container and is only connected by rubber elasticity, no other fixing device is arranged between the liquid guide needle and the infusion container, a plastic needle head is often pulled out from the mouth of the infusion bottle (bag) because a patient turns over or goes to a toilet, and particularly, the situation that the infusion apparatus falls off is more frequent for patients in coma, dysphoria and the like. The dropping of the infusion apparatus not only causes the pollution and waste of the liquid medicine, but also easily causes the needle-stick injury accident, and additionally increases the working strength for medical staff.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing an anti-drop precise infusion apparatus which has high connection strength with an infusion container and is not easy to drop.

In order to solve the technical problem, the technical scheme of the utility model is that: an anti-drop precise infusion apparatus comprises an infusion tube, wherein a needle head is fixed at one end of the infusion tube, the anti-drop precise infusion apparatus also comprises an anti-drop device, the anti-drop device comprises a connecting tube positioned on the infusion tube, a branch tube is arranged on the connecting tube, a switch valve is arranged at the lower end of the connecting tube, and the switch valve is positioned at the lower side of the branch tube; a support piece is fixed on the branch pipe, the support piece comprises a horizontal pipe connected with the branch pipe, one end of the horizontal pipe, which is far away from the branch pipe, is connected with a vertical pipe, a switching pipe is fixed at the upper end of the vertical pipe, locking pieces are respectively arranged at two ends of the switching pipe, each locking piece comprises a shell, a locking cavity is arranged in the shell, and one end, connected with the switching pipe, of the locking cavity is communicated with the switching pipe through a locking hole; an elastic air bag is further fixed in the locking cavity, the elastic air bag is fixed at one end, far away from the adapter tube, of the locking cavity, and a through hole for the elastic air bag to extend out of the shell is formed in the position, corresponding to the needle head, of the shell; and a locking valve is arranged on the vertical pipe or the horizontal pipe.

As a preferable technical scheme, a sliding block is further arranged in the locking cavity and is positioned between the elastic air bag and the locking hole.

Preferably, the elastic airbag includes a driving portion located in the locking cavity and a locking portion located in the through hole, and the driving portion and the locking portion are connected to form a T shape.

As the preferred technical scheme, the connecting pipe is a hard pipe, the outer diameter of the connecting pipe is equal to the inner diameter of the infusion tube, and the upper end and the lower end of the connecting pipe respectively extend into the infusion tube positioned on the upper side and the lower side of the connecting pipe.

As a preferable technical scheme, the branch pipe and the connecting pipe are integrated.

Due to the adoption of the technical scheme, the anti-drop precise infusion apparatus can be clamped outside the rubber plug of the infusion container through the elastic air bag. When the infusion set is used, after the needle head is inserted into the infusion container, the switch valve is closed, the locking valve is opened, the infusion container is squeezed, liquid in the infusion container is squeezed into the locking cavity at the moment, and the elastic air bag is squeezed by the liquid to enable the air bag to be pushed out of the locking cavity and lock the infusion set on the infusion container. After the locking operation is completed, the locking valve is closed and the switching valve is opened, and the transfusion operation is normally performed. The transfusion device is convenient to refit on the prior transfusion device, and has simple operation and convenient use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural view of an anti-falling device in an embodiment of the present invention;

fig. 3 is a sectional view taken along line a-a in fig. 2.

Detailed Description

As shown in fig. 1, 2 and 3, the anti-drop precise infusion apparatus comprises an infusion tube 1, and the infusion tube 1 is provided with a drip chamber, a flow regulator and other structures. The one end of transfer line 1 is fixed with syringe needle 2, still including the anticreep device of connecting transfusion system and infusion container 2, anticreep device 4 is including being located connecting pipe 6 on the transfer line 1, connecting pipe 6 is the hard tube just the external diameter of connecting pipe 6 equals the internal diameter of transfer line 1, the upper end and the lower extreme of connecting pipe 6 stretch into respectively and are located its upside and downside in transfer line 1. The connecting pipe 6 is a connecting piece of the infusion tube 1 and the anti-falling device 4, has simple structure, can be reformed on the prior infusion apparatus, and can cut off the infusion tube of the prior infusion apparatus between the needle head and the dropping funnel and be arranged in the connecting pipe 6. The connecting pipe 6 is provided with a branch pipe 13, preferably, the branch pipe 13 and the connecting pipe 6 are integrated. The lower end of the connecting pipe 6 is provided with a switch valve 5, and the switch valve 5 is positioned at the lower side of the branch pipe 13. Be fixed with support piece on the branch pipe 13, support piece include with the horizontal pipe 12 that branch pipe 13 is connected, horizontal pipe 12 is kept away from the one end of branch pipe 13 is connected with vertical pipe 11, the upper end of vertical pipe 11 is fixed with switching pipe 9, the both ends of switching pipe 9 are equipped with the locking piece respectively, the locking piece includes shell 8, be equipped with locking chamber 17 in the shell 8, locking chamber 17 with the one end that switching pipe 9 is connected with switching pipe 9 passes through locking hole 16 and communicates. An elastic air bag 7 is further fixed in the locking cavity 17, the elastic air bag 7 is fixed at one end of the locking cavity 17 far away from the adapter tube 9, and a through hole 14 for the elastic air bag 7 to extend out of the shell 8 is formed in the corresponding position of the shell 8 and the needle 3; and a locking valve 10 is arranged on the vertical pipe 11 or the horizontal pipe 12.

When the infusion set is used, after the needle 3 extends into the infusion container 2, the switch valve 5 is closed, the locking valve 10 is opened, the infusion container 2 is squeezed, liquid in the infusion container 2 is squeezed into the locking cavity 17 at the moment, and the liquid squeezes the elastic air bag 7 to enable part of the elastic air bag 7 to be pushed out of the locking cavity 17 and lock the infusion set on the infusion container 2. After the locking operation is completed, the locking valve 10 is closed to maintain the elastic air bag 7 in a locked state, the on-off valve 5 is opened, and the transfusion operation is normally performed.

In order to avoid that rubber particles fall into the infusion container in the use process of the elastic air bag 7, the elastic air bag 7 needs to be isolated from liquid, for this purpose, a sliding block 15 is further arranged in the locking cavity 17, the sliding block 15 is positioned between the elastic air bag 7 and the locking hole 16, the sliding block 15 is pushed after the liquid enters the locking cavity 17, and the sliding block 15 pushes the elastic air bag 7. In order to make the action of the elastic air bag 7 extending out of the through hole 14 smooth, the elastic air bag 7 comprises a driving part positioned in the locking cavity 17 and a locking part positioned in the through hole 14, and the driving part and the locking part are connected to form a T shape.

The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an anti-drop accurate transfusion system, includes the transfer line, the one end of transfer line is fixed with the syringe needle, its characterized in that: the anti-dropping device comprises a connecting pipe positioned on the infusion pipe, a branch pipe is arranged on the connecting pipe, a switch valve is arranged at the lower end of the connecting pipe, and the switch valve is positioned at the lower side of the branch pipe; a support piece is fixed on the branch pipe, the support piece comprises a horizontal pipe connected with the branch pipe, one end of the horizontal pipe, which is far away from the branch pipe, is connected with a vertical pipe, a switching pipe is fixed at the upper end of the vertical pipe, locking pieces are respectively arranged at two ends of the switching pipe, each locking piece comprises a shell, a locking cavity is arranged in the shell, and one end, connected with the switching pipe, of the locking cavity is communicated with the switching pipe through a locking hole; an elastic air bag is further fixed in the locking cavity, the elastic air bag is fixed at one end, far away from the adapter tube, of the locking cavity, and a through hole for the elastic air bag to extend out of the shell is formed in the position, corresponding to the needle head, of the shell; and a locking valve is arranged on the vertical pipe or the horizontal pipe.

2. The anti-drop precise infusion set according to claim 1, wherein: and a sliding block is further arranged in the locking cavity and is positioned between the elastic air bag and the locking hole.

3. The anti-drop precise infusion set according to claim 1, wherein: the elastic air bag comprises a driving part and a locking part, wherein the driving part is positioned in the locking cavity, the locking part is positioned in the through hole, and the driving part and the locking part are connected to form a T shape.

4. The anti-drop precise infusion set according to claim 1, wherein: the connecting pipe is a hard pipe, the outer diameter of the connecting pipe is equal to the inner diameter of the infusion tube, and the upper end and the lower end of the connecting pipe respectively extend into the infusion tube positioned on the upper side and the lower side of the connecting pipe.

5. The anti-drop precise infusion set according to claim 1, wherein: the branch pipe and the connecting pipe are integrated.