CN203507221U

CN203507221U - Infusion apparatus

Info

Publication number: CN203507221U
Application number: CN201320594862.2U
Authority: CN
Inventors: 李新奇
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-09-25
Filing date: 2013-09-25
Publication date: 2014-04-02
Anticipated expiration: 2023-09-25

Abstract

The utility model discloses infusion apparatus which comprises a puncture device, a dropper, an infusion tube, an air inlet part and a venipuncture needle, wherein the air inlet part and the venipuncture needle are connected with the puncture device, the puncture device, the dropper and the venipuncture needle are communicated sequentially through the infusion tube, an infusion channel and an air inlet channel are formed inside the puncture device, the air inlet channel is communicated with the air inlet part, a floating ball is arranged in the infusion channel, and the diameter of the floating ball is smaller than the diameter of the middle of the infusion channel and larger than the diameter of the two ends of the infusion channel. The infusion apparatus has the advantages of being simple in structure, low in cost and capable of controlling the optimum infusion bottom replacing timing.

Description

Transfusion device

Technical field

This utility model relates to a kind of medical device, specially refers to a kind of transfusion device.

Background technology

Transfusion device applies to the places such as hospital, clinic widely, and it is generally used for carrying medicinal liquid into patient infusion.The transfusion device of prior art when being patient infusion, the liquid level that requirement must have people constantly to observe medicinal liquid bottle inner liquid medicine, and change medicinal liquid bottle opportunity in the best replacing.Particularly for some patients with severe symptoms, need entourage observe for a long time and look after, sometimes because entourage's fatigue or busy, missed the opportunity of changing infusion bottle, cause air to enter into tube for transfusion, now entourage often needs the air in tube for transfusion that excludes bothering very much, again injects to patient, therefore can bring extra work amount to entourage, to patient, bring misery simultaneously.

Utility model content

The technical problems to be solved in the utility model be to provide a kind of simple in structure, cost is low and can control the best replacing of the infusion bottle transfusion device on opportunity.

According to an aspect of the present utility model, a kind of transfusion device is provided, comprise perforator, dropping funnel, tube for transfusion, the air inlet part and the venipuncture needle that are connected with perforator, wherein tube for transfusion is communicated with perforator, dropping funnel and autoamtic venipuncture appts successively, the inside of this perforator is provided with infusion channel and inlet channel, this inlet channel is communicated with air inlet part, in this infusion channel, be provided with ball float, the diameter of this ball float is less than the diameter of the passage at infusion channel middle part, is greater than the diameter of the passage at infusion channel two ends.

The beneficial effect of this utility model transfusion device is: owing to having added ball float in the infusion channel of traditional perforator, and the diameter of this ball float is less than the diameter of the passage at infusion channel middle part, be greater than the diameter of the passage at infusion channel two ends, ball float is along with the height of liquid level in infusion channel can move up and down in infusion channel.While therefore also having medicinal liquid dirty in infusion bottle, ball float floats, and infusion channel is in conducting state; When infusion bottle herb liquid flows to end, ball float declines, and blocks the flow export of infusion channel lower end, stops the dirty of medicinal liquid continuation, and the medicinal liquid that can effectively control in tube for transfusion stops at the best opportunity of changing infusion bottle.In sum, this utility model transfusion device have advantages of simple in structure, cost is low and can control the best replacing of infusion bottle opportunity.

In some embodiments, the liquid feeding end of infusion channel can be located at the side of perforator, and liquid feeding end is the circumferential notch being communicated with infusion channel top, and the diameter of liquid feeding end and the diameter of ball float match.Owing to liquid feeding end being located to the side of perforator, and liquid feeding end is made as with ball float and matches, the diameter that is about to liquid feeding end is designed to be slightly less than the diameter of ball float, therefore resilient ball float can be tucked into infusion channel from liquid feeding end, and ball float can from liquid feeding end out, therefore not the utlity model has the simple in structure and low advantage of cost yet.

In some embodiments, the middle part diameter of infusion channel from liquid outlet to infusion channel can increase gradually.Due to infusion channel is designed to, liquid outlet diameter is little, the large structure of infusion channel middle part diameter, and can realize ball float can move up and down in infusion channel, and when stopping infusion, ball float also can be blocked infusion channel completely simultaneously.Therefore the utlity model has the simple in structure and low advantage of cost.

In some embodiments, infusion channel can be cylindrical structure, and the liquid outlet of infusion channel is provided with the screens matching with ball float.Because the liquid outlet in infusion channel is provided with the screens matching with ball float, meeting equally ball float can move up and down in infusion channel, and when stopping infusion, ball float also can be blocked infusion channel completely simultaneously.Therefore the utlity model has the simple in structure and low advantage of cost.

Accompanying drawing explanation

Fig. 1 is the structural representation of a kind of embodiment of this utility model transfusion device;

Fig. 2 is the structural representation of the perforator of transfusion device in Fig. 1;

Fig. 3 is the structural representation of another kind of embodiment of the perforator of this utility model transfusion device.

The specific embodiment

Below in conjunction with accompanying drawing, this utility model is described in further detail.

Fig. 1 and Fig. 2 have provided first embodiment of this utility model transfusion device.This transfusion device comprises perforator 1, dropping funnel 2, connects tube for transfusion 3, air inlet part 4 and the venipuncture needle 5 of perforator 1 and dropping funnel 2, wherein the inside of perforator 1 is provided with infusion channel 11 and inlet channel 14, in infusion channel 11, be provided with ball float 12, the diameter of ball float 12 is greater than the diameter of the passage at infusion channel 11 two ends, is less than the diameter at infusion channel 11 middle parts simultaneously.The top of infusion channel 11 is communicated with liquid feeding end 111, and liquid feeding end 111 is located at the side of perforator 1, and liquid feeding end 111 is a circumferential notch, and the diameter of the diameter of liquid feeding end 111 and ball float 12 matches.The diameter of this utility model transfusion device liquid feeding end 111 is slightly less than the diameter of ball float 12, thus resilient ball float 12 can be tucked into infusion channel 11 from liquid feeding end 111, and ball float 12 can be from liquid feeding end 111 not out yet.The lower end of transfusion device is liquid outlet 112, and the middle part diameter of infusion channel 11 from liquid outlet 112 to infusion channel 11 increases gradually, and the diameter of liquid outlet 112 is less than the diameter of ball float 12.Ball float 12 is hollow ball, and its density is less than the density of water.Meet while also having medicinal liquid dirty in infusion bottle, ball float 12 floats, and infusion channel 11 is in conducting state; When infusion bottle herb liquid flows to end, ball float 12 declines, and blocks the lower end of infusion channel 11, stops the dirty of medicinal liquid continuation.

Air inlet part 4 is connected with the inlet channel 14 of perforator 1 inside, and it is dirty that the medicinal liquid in its assurance infusion bottle can be won.Tube for transfusion 3 is communicated with perforator 1, dropping funnel 2 and autoamtic venipuncture appts 5 successively, and the upper end of dropping funnel 2 is connected with the lower end of perforator 1 by tube for transfusion 3, and the lower end of dropping funnel 2 is connected with the afterbody of autoamtic venipuncture appts 5 by tube for transfusion 3.

Fig. 3 has provided second embodiment of this utility model transfusion device.Infusion channel 11 in the perforator 1 of this transfusion device is cylindrical structure, and the liquid outlet 112 of this infusion channel 11 is provided with the screens 13 matching with ball float 12.It meets while also having medicinal liquid dirty in infusion bottle equally, and ball float 12 floats, and infusion channel 11 is in conducting state; When infusion bottle herb liquid flows to end, ball float 12 declines, and coordinates with screens 13 lower end of blocking infusion channel 11, stops the dirty of medicinal liquid continuation.

In this embodiment, the structure of other parts and annexation are all identical with the structure in embodiment 1.

The ball float 12 of this utility model transfusion device can also be the little elasticity sphere of density ratio water of being made by nontoxic materials such as organic materials.

Below be only embodiments more of the present utility model; it should be pointed out that for the person of ordinary skill of the art, do not departing under the prerequisite of this utility model creation design; can also make some distortion and improvement, these all belong to protection domain of the present utility model.

Claims

1. transfusion device, it is characterized in that, comprise perforator (1), dropping funnel (2), tube for transfusion (3), the air inlet part (4) being connected with perforator (1) and venipuncture needle (5), described tube for transfusion (3) is successively by perforator (1), dropping funnel (2) and autoamtic venipuncture appts (5) are communicated with, the inside of described perforator (1) is provided with infusion channel (11) and inlet channel (14), described inlet channel (14) is communicated with air inlet part (4), in described infusion channel (11), be provided with ball float (12), the diameter of described ball float (12) is less than the diameter of the passage at infusion channel (11) middle part, be greater than the diameter of the passage at infusion channel (11) two ends.

2. transfusion device according to claim 1, it is characterized in that, the liquid feeding end (111) of described infusion channel (11) is located at the side of perforator (1), described liquid feeding end (111) is the circumferential notch being communicated with infusion channel (11) top, and the diameter of the diameter of described liquid feeding end (111) and ball float (12) matches.

3. transfusion device according to claim 2, is characterized in that, the middle part diameter of described infusion channel (11) from liquid outlet (112) to infusion channel (11) increases gradually.

4. transfusion device according to claim 2, is characterized in that, described infusion channel (11) is cylindrical structure, and the liquid outlet (112) of described transfusion logical (11) is provided with the screens (13) matching with ball float (12).