CN2737368Y

CN2737368Y - Device for venous transfusion

Info

Publication number: CN2737368Y
Application number: CN 200420078066
Authority: CN
Inventors: 熊辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-07-22
Filing date: 2004-07-22
Publication date: 2005-11-02
Anticipated expiration: 2014-07-22

Abstract

The utility model relates to a device for venous transfusion, belonging a mode of the transfusion, and is an instrument which leads the medium into the body, in particular to an instrument for the transfusion by the gravity method. The device for the venous transfusion is composed of a needle, a transfusion tube, a flow controller, a dropper, a drainage device, an air intake tube and a filter, and is characterized in that an air inlet and a transfusion hole are arranged in the drainage device; and the positions of the opening at the upper end thereof are in different height; two conductors in different lengths are embedded; the position of the opening of the air inlet is higher than the position of the highest liquid level in the liquid medicine bottle; the opening of the transfusion hole corresponds to the lowest liquid level; the bare end of the long conductor is slightly higher than the lowest liquid level; the bare end of the short conductor corresponds to the lowest liquid level; the lower parts of the two conductors are connected to the electric contact point fixed on the base of the drainage device, and are connected to a signal converter, via a conducting wire. The utility model has the advantages that the liquid medicine is prevented from being mixed directly with the air; so the pollution of the dust and the bacterium brought by the air to the liquid medicine is reduced, which is favorable for the health of the patient; the whole process of the transfusion can be alarmed to prompt the medical care personnel, which not only reduces the workload, but also is favorable for the patient to have a rest; and the damages and pains brought by liquid medicine running out to the patient are avoided.

Description

A kind of novel intravenous transfusion device

Technical field:

This utility model belongs to introduces intravital apparatus in the intravenous injection mode with medium, relates in particular to the gravitational method infusion apparatus.。

Background technology:

Adopting gravitational method venoclysis medicine is the effective ways of treatment disease.At present, the disposable transfusion device that hospital uses is made up of hollow needle, tube for transfusion, flow controller, dropper, drainage device, air inlet pipe, filter.Air inlet and infusion hole are set in the drainage device, and the upper end open of air inlet and infusion hole is located at the outside of drainage device, and its lower ending opening is connected with air inlet pipe and tube for transfusion respectively.During transfusion, drainage device is inserted in the inverted medicinal liquid bottle, and air constantly enters in the medicinal liquid bottle, and medicinal liquid injects intravenous continuously under action of gravity.Though this apparatus can carry out venous transfusion, has shortcoming, drainage device is short and small, and the height of the upper end open of air inlet and infusion hole is consistent or close, all is immersed in the medicinal liquid.Along with the carrying out of transfusion, air is constantly entered in the medicinal liquid bottle by air inlet.In the gas uphill process, micronic dust that air is brought into and antibacterial fully mix with medicinal liquid, have polluted medicinal liquid, and patient is easily infected.Transfusion device does not have alarming device again, and defeated empty for preventing medicinal liquid, patient and medical personnel get and often observe liquid level in the bottle.Be unfavorable for that like this patient has a rest, also increase medical personnel's workload.Particularly when medicinal liquid defeated to the greatest extent after, untimely processing, the air admission infusion pipeline, the blood outflow has brought injury with painful to patient.

Summary of the invention:

In order to overcome the defective that prior art exists, this utility model provides a kind of air that prevents directly to enter medicinal liquid, and novel intravenous transfusion device that can the monitoring transfusion overall process.

A kind of novel intravenous transfusion device is made up of hollow needle, tube for transfusion, flow controller, dropper, drainage device, air inlet pipe, filter; Establish air inlet and infusion hole in the drainage device, the upper end open of air inlet and infusion hole is located at the drainage device outside, its lower end is connected with air inlet pipe and tube for transfusion respectively, it is characterized in that being provided with in elongated drainage device air inlet and infusion hole, and the position height of its upper end open is different; Bury two conductors different in size underground; The upper end open of air inlet is positioned at the top of drainage device, the highest liquid level when being higher than the inversion of medicinal liquid bottle, and the infusion hole upper end open is positioned at the bottom of drainage device, and is corresponding with minimum liquid level in the bottle; The upper end of two conductors exposes on the sidewall of drainage device, and the upper end of short conductors is corresponding with medicinal liquid bottle minimum liquid level; The a little higher than minimum liquid level of the upper end of long conductor, the bottom of two conductors respectively be fixed on the drainage device base on electric contact be connected, be wired on the signal adapter, signal adapter and medicinal liquid bottle are hung on the support in the lump.

During transfusion, air enters in the medicinal liquid bottle through filter, air inlet pipe, because the air inlet opening is higher than liquid level, air and separating liquid medicine avoid air directly to mix with medicinal liquid, and micronic dust that the minimizing air is brought into and antibacterial are to the pollution of medicinal liquid.

In infusion process, the head of two conductors all is immersed in the medicinal liquid, and by the medicinal liquid conduction, signal reaches signal adapter, and the green light in night shift room is bright, the expression normal infusion.After head that medicinal liquid drops to long conductor exposed liquid level, two conductors were in off-state, and signal reaches signal adapter, bright, the buzzer call of the red light in the night shift room, and the expression medicinal liquid drops to minimum liquid level, and the prompting medical personnel come processing to finish transfusion work.

Compared with prior art, its advantage is, avoids air directly to mix with medicinal liquid, reduces the pollution to medicinal liquid of micronic dust that air brings into and antibacterial, helps patient's health; Can warn the overall process of transfusion, when transfusion closes on end, send sound and optic signal, the prompting medical personnel in time handle, and have both alleviated workload, help patient again and have a rest, and also avoid patient to produce unnecessary damages with painful.

Description of drawings:

Fig. 1 is a kind of novel intravenous transfusion device sketch map that this utility model is carried.

Fig. 2 is the drainage device structural representation of a kind of novel intravenous transfusion device carried of this utility model.

Fig. 3 is the drainage device side view of a kind of novel intravenous transfusion device carried of this utility model.

The specific embodiment:

The contrast Fig. 1, Fig. 2, the utility model is described in further detail for Fig. 3.

This utility model is to implement like this: a kind of novel intravenous transfusion device is made up of hollow needle 1, tube for transfusion 2, flow controller 3, dropper 4, drainage device 5, air inlet pipe 6, filter 7, by hollow needle 1, tube for transfusion 2 with establish flow controller 3, dropper 4 thereon and the infusion hole 10 that is located on the drainage device 5 connects into infusion pipeline, form air inlet pipeline by filter 7, air inlet pipe 6 and the air inlet 9 that is located on the drainage device.Drainage device 5 design like this is inverted the highest liquid level and the minimum liquid level of back medicinal liquids according to used medicinal liquid bottle 13, determines the length of drainage device 5 and air inlet 9, the aperture position of infusion hole 10 on drainage device 5 sides, determines the length of two conductors 11,12.Air inlet 9 upper end open are higher than the highest liquid level, the corresponding minimum liquid level of infusion hole 10 upper end open, two conductors 11,12 adopt nontoxic sheet metal (silk), an exposed a little higher than minimum level of long sheet metal (silk) 11, and short sheet metal (silk) 12 is corresponding with minimum liquid level.Give establish after, the nontoxic plastics time processing of drainage device 5 usefulness becomes to have the needle unit of air inlet 9, infusion hole 10, sheet metal (silk) 11,12, have base 8, have the cylindrical union joint that is communicated with air inlet 9, infusion hole 10 on the base 8, be connected with air inlet pipe 6, tube for transfusion 2 respectively.Also have on the base 8 two electric contacts 11 ', 12 ' respectively link to each other with sheet metal (silk) 11,12.During transfusion, with lead with signal adapter 13 and electric contact 11 ', 12 ' link to each other, display lamp and buzzer etc. is contained in medical personnel's the night shift room, is observed by medical personnel.

Claims

1, a kind of novel intravenous transfusion device, by hollow needle (1), tube for transfusion (2), flow controller (3), dropper (4), drainage device (5), air inlet pipe (6), filter (7) is formed, establish air inlet (9) and infusion hole (10) in the drainage device (5), the upper end open of air inlet (9) and infusion hole (10) is located at drainage device (5) outside, its lower end is connected with air inlet pipe (6) and tube for transfusion (2) respectively, it is characterized in that, the air inlet (9) and the infusion hole (10) that in elongated drainage device (5), are provided with, the position height of its upper end open is different, buries two conductors different in size underground:

The upper end open of air inlet (9) is positioned at the top of drainage device (5), the highest liquid level when being higher than medicinal liquid bottle (14) inversion, and the upper opening of infusion hole (10) is positioned at the bottom of drainage device (5), and is corresponding with minimum liquid level in medicinal liquid bottle (14) bottle;

The upper end of two conductors (11) exposes on the sidewall of drainage device (5), and the upper end of short conductors (11) is corresponding with medicinal liquid bottle (14) minimum liquid level, a little higher than minimum liquid level of upper end of long conductor (11); The bottom of two conductors (11), (12) respectively be fixed on drainage device base (8) on two electric contacts (11 '), (12 ') be connected, be wired on the signal adapter (13).

2, a kind of novel intravenous transfusion device according to claim 1 is characterized in that, drainage device (5) is the non-toxic plastic goods of time processing molding.

3, a kind of novel intravenous transfusion device according to claim 1 is characterized in that, nontoxic sheet metal is adopted in conductor (11), (12).

4, a kind of novel intravenous transfusion device according to claim 1 is characterized in that, nontoxic sheet metal silk is adopted in conductor (11), (12).

5, a kind of novel intravenous transfusion device according to claim 1 is characterized in that, signal adapter (13) comprises an infrared emittance.