CN209033351U

CN209033351U - Automatic liquid-stopping transfusion apparatus

Info

Publication number: CN209033351U
Application number: CN201820957678.2U
Authority: CN
Inventors: 马燕飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-06-21
Filing date: 2018-06-21
Publication date: 2019-06-28
Anticipated expiration: 2028-06-21

Abstract

The utility model discloses a kind of automatic liquid-stopping transfusion apparatus, including needle for inserting bottle, dropping funnel, transfusion catheter, liquid medicine filter, intravenous infusion needle, flow regulator, it is characterized in that, there is a partition in dropping funnel, there is a through-hole among partition, the space that partition and dropping funnel top are formed seals the thin slice of infusion apparatus when having a liquid level for the liquid in dropping funnel lower than partition, the density of thin slice is less than the density of liquid.In infusion process, when liquid level is located at partition top, thin slice floats on liquid surface, when liquid level is lower than partition, thin slice is fitted closely with partition, the through-hole in the middle part of partition is covered, so that infusion apparatus be sealed, it avoids liquid continuation from flowing in infusion apparatus, and then the air of top is avoided to enter patient's body.The utility model energy automatic liquid-stopping, effectively prevent bubble to enter patient's body with transfusion catheter, improves the working efficiency of medical staff, easy to operate, securely and reliably.

Description

Automatic liquid-stopping transfusion apparatus

Technical field

The utility model relates to the field of medical instrument technology more particularly to a kind of automatic liquid-stopping transfusion apparatus.

Background technique

When carrying out venous transfusion to patient at present, disposable infusion set is widely used, in this way to preventing between patient Cross-infection play positive effect.But using disposable infusion set, there is also following shortcomings: the first, Disposable infusion set is unable to automatic liquid-stopping at the end of infusion at present, and nursing staff needs that infusion apparatus is turned off manually, avoids Air enters patient's body, not only increases the workload of nursing staff, but also bring security risk to patient；Second, shield For reason personnel when exchanging infusion bottle, although can be by pulley come close transfusion device, liquid may flow to funnel at this time Lower section is not easy to discharge air.

Therefore, how to terminate in infusion or when with changing infusion bottle, automatic cut-off transfusion system, avoid air in infusion apparatus into Entering patient's body is those skilled in the art's problem to be solved.

Summary of the invention

The purpose of this utility model is that solve the above-mentioned problems and provides a kind of automatic liquid-stopping transfusion apparatus.

The utility model achieves the above object through the following technical schemes:

The utility model includes needle for inserting bottle, dropping funnel, transfusion catheter, liquid medicine filter, intravenous infusion needle, flow regulator, It is characterized in that, there is a partition in the dropping funnel, there are a through-hole, the partition and the dropping funnel top among the partition The space of formation seals the thin slice of the infusion apparatus when having a liquid level for the liquid in the dropping funnel lower than the partition, The density of the thin slice is less than the density of liquid.

Preferably, the through-hole is circle, and the thin slice is circle.

Preferably, the diameter of the thin slice be more than or equal to the through-hole radius and the partition radius and, be less than The diameter of the dropping funnel.

Preferably, the partition be located at the dropping funnel two/it is following.

Preferably, the thin slice is hydrophobic material.

Preferably, the thickness of the thin slice is more than or equal to 0.1 millimeter, is less than or equal to 0.2 millimeter.

Preferably, the dropping funnel further includes exhaust apparatus 5.

Preferably, the exhaust apparatus 5 includes air-filtering membrane 6.

The utility model has the beneficial effects that:

The utility model is a kind of automatic liquid-stopping transfusion apparatus, compared with prior art, the utility model in infusion process, The liquid level of liquid is in partition top in infusion apparatus, since chip density is less than the density of liquid, thin slice floats on liquid table Face；When the liquid level of liquid in infusion apparatus and partition are in same level, thin slice is bonded with partition, is covered in the middle part of partition Through-hole prevents liquid from continuing to flow in infusion apparatus, automatic liquid-stopping avoids air from entering patient's body so that infusion apparatus be sealed It is interior.The utility model can infusion terminate or replacement liquid when, make infusion apparatus automatic liquid-stopping, prevent bubble with infusion apparatus into Enter patient's body, guarantees patient safety, and effectively improve the working efficiency of medical staff, it is easy to operate, securely and reliably.

Detailed description of the invention

Fig. 1 is a kind of structure of the dropping funnel of automatic liquid-stopping transfusion apparatus provided by a kind of specific embodiment of the utility model Schematic diagram；

Fig. 2 is the knot of the dropping funnel of another kind automatic liquid-stopping transfusion apparatus provided by a kind of specific embodiment of the utility model Structure schematic diagram；

In figure: 1 is dropping funnel, and 2 be thin slice, and 3 be partition, and 4 be through-hole, and 5 be exhaust apparatus, and 6 be air-filtering membrane.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawing:

The utility model includes: needle for inserting bottle, dropping funnel, transfusion catheter, liquid medicine filter, intravenous infusion needle, flow regulator, It is characterized in that, there is a partition in the dropping funnel, there is a through-hole among the partition, the partition is formed with dropping funnel top Space the thin slice of the infusion apparatus is sealed when having a liquid level for the liquid in the dropping funnel lower than the partition, it is described The density of thin slice is less than the density of liquid.

Since the utility model automatic liquid-stopping is realized by dropping funnel, Fig. 1 is that a kind of automatic liquid-stopping provided by the utility model is defeated The structural schematic diagram of the dropping funnel of liquid device.

In the present embodiment, in infusion process, the liquid level of liquid is higher than partition 3 in infusion apparatus, and thin slice 2 floats on liquid Side, at the end of infusion, the liquid in infusion apparatus is fewer and fewer, and when the liquid decline in dropping funnel 1, thin slice 2 is with liquid level one Decline is played, when the liquid level of liquid in dropping funnel 1, which is dropped to, is in same level with partition 3, thin slice 2 is bonded with partition 3, due to The adsorption of liquid acts on, and thin slice 2 can seal infusion apparatus, and the liquid in infusion apparatus is prevented to continue to flow, and makes infusion apparatus certainly Dynamic only liquid, avoids bubble with the life security for threatening patient in turn, effectively improves the working efficiency of medical staff.

Further, through-hole 4 is circle, and thin slice 2 is also circle.Through-hole 4 and thin slice 2 are circle, convenient in dropping funnel 1 Liquid liquid level decline when, thin slice 2 can be covered on the top of partition 3, make infusion apparatus automatic liquid-stopping.

Further, the diameter of thin slice 2 be more than or equal to the radius of through-hole 4 and the radius of partition 3 and, less than dropping funnel 1 Diameter.

In order to which at the end of infusion, thin slice 2 can cover all through-hole 4, the minimum diameter of thin slice 2 is the throwing of thin slice 2 Shadow and when 4 inscribe of through-hole, the radius of thin slice 2 and 1 inscribe of dropping funnel, the i.e. radius of through-hole 4 and partition 3 and be less than or equal to thin slice 2 Diameter, so that it is guaranteed that thin slice 2 can cover all through-hole when the liquid level of liquid drops to horizontal with partition 3 in water clock 1, Infusion apparatus automatic liquid-stopping.Certainly, the diameter of thin slice 2 should be less than the diameter of dropping funnel, so as to move up and down in dropping funnel.

Further, partition 3 is located at the half of dropping funnel 1 or less.In infusion process, the liquid level in dropping funnel 1 is high Degree has a range, usual liquid surface height controlling dropping funnel half at three point two, therefore, partition 3 should be located at dropping funnel 1 Half hereinafter, in this way in infusion process, thin slice 2 can float on liquid surface, infusion will not be interfered, when infusion terminates When, as liquid level declines in dropping funnel 1, thin slice 2 can cover through-hole, be automatically stopped infusion.

Optionally, thin slice 2 is hydrophobic material.Thin slice 2 is hydrophobic material, preferably PVC material.

Further, the thickness of thin slice 2 is more than or equal to 0.1 millimeter, is less than or equal to 0.2 millimeter.In order to ensure sealing effect Fruit, the thickness of thin slice 2 should be controlled in certain range, can either be fitted closely with partition, and mechanical deformation is less likely to occur, when The thickness of thin slice 2 is more than or equal to 0.1 millimeter, when being less than or equal to 0.2 millimeter, can reach preferable sealing effect.

As shown in Fig. 2, Fig. 2 shows another kind automatic liquid-stoppings provided by a kind of specific embodiment of this case utility model The structural schematic diagram of the dropping funnel of infusion apparatus.Dropping funnel 1 includes exhaust apparatus 5.When starting infusion, flow regulator is closed, the row of opening Device of air 5, liquid enter dropping funnel 1, and thin slice 2 rises with liquid level, float on liquid surface；When liquid level rises to exhaust apparatus lower end When, liquid level is not rising, and liquid stops flowing, and in the process, the control in dropping funnel 1 all passes through exhaust apparatus 5 and is discharged, whole Bubble-free is mixed into a infusion apparatus.Flow regulator is opened, liquid starts to flow to full of entire infusion apparatus.

Further, the gas deflation assembly 5 further includes air-filtering membrane 6, and air-filtering membrane 6 can be filtered through exhaust group Part 5 enters the air in infusion apparatus, prevents bacterium or virus pollution infusion apparatus.

The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.Current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model Claimed range is defined by the appending claims and its equivalent thereof.

Claims

1. a kind of automatic liquid-stopping transfusion apparatus, including needle for inserting bottle, dropping funnel, transfusion catheter, liquid medicine filter, intravenous infusion needle, flow Adjuster, it is characterised in that: have a partition in the dropping funnel, there is a through-hole, the partition and dropping funnel among the partition The space that top is formed seals the infusion apparatus when having a liquid level for the liquid in the dropping funnel lower than the partition Thin slice, the density of the thin slice are less than the density of liquid.

2. automatic liquid-stopping transfusion apparatus according to claim 1, which is characterized in that the through-hole is circle, and the thin slice is It is round.

3. automatic liquid-stopping transfusion apparatus according to claim 2, which is characterized in that the diameter of the thin slice is more than or equal to described The radius of the radius of through-hole and the partition and, less than the diameter of the dropping funnel.

4. any automatic liquid-stopping transfusion apparatus according to claim 1 or in 3, which is characterized in that the partition is located at described Below the half of dropping funnel.

5. automatic liquid-stopping transfusion apparatus according to claim 1 or 3, which is characterized in that the thin slice is hydrophobic material.

6. automatic liquid-stopping transfusion apparatus according to claim 5, which is characterized in that the thickness of the thin slice is more than or equal to 0.1 Millimeter is less than or equal to 0.2 millimeter.

7. automatic liquid-stopping transfusion apparatus according to claim 1 or 3, which is characterized in that the dropping funnel further includes exhaust apparatus (5).

8. automatic liquid-stopping transfusion apparatus according to claim 7, which is characterized in that the exhaust apparatus 5 includes air filtration Film (6).