CN2810616Y

CN2810616Y - Transfusion device

Info

Publication number: CN2810616Y
Application number: CN 200520009699
Authority: CN
Inventors: 周先川
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-07-29
Filing date: 2005-07-29
Publication date: 2006-08-30
Anticipated expiration: 2015-07-29

Abstract

The utility model discloses a medical automatic control transfusion device, which comprises a transfusion drip tube (1), a transfusion inlet guide tube (11a) and a transfusion outlet guide tube (12a), wherein the transfusion inlet guide tube (11a) and a transfusion outlet guide tube (12a) are respectively communicated with a liquid inlet opening (11) and a liquid outlet (12) of the transfusion drip tube (1). The utility model is characterized in that a float (2) is arranged in a cavity of the transfusion drip tube (1), and a drip tube opening (13) is arranged on the top of the transfusion drip tube (1) and is provided with an alarm device (3). The transfusion device of the utility model can automatically cut off medicine liquids when the medicine liquids is going to be transfused up, and the medicine liquids in the transfusion drip tube can be blocked and can not flow, thus preventing the blood of a transfusion person from refluxing into the transfusion guide tube. Simultaneously, when the medicine liquids in the transfusion bottle are going to be transfused up, the level of the medicine liquids in the transfusion drip tube is lowered to a fixing position. The utility model can automatically alarm to remind patients or nursing staffs to do treatment in advanced. The utility model has the advantages of simple structure, reasonable design and convenient operation and can be used in the medical field.

Description

A kind of transfusion device

Technical field

This utility model relates to a kind of therapeutic medical transfusion device, particularly a kind of automatic control transfusion device.

Background technology

At present, used transfusion device in medical treatment, its transfusion drip tube can only show the speed of medicinal liquid flow velocity, when patient need infuse, patient and nursing staff always constantly watch transfusion drip tube attentively, go into transfusion catheter in order to avoid medicinal liquid has flowed the backflow of blood that makes in the patient's blood vessel, thereby cause adverse consequences, be unfavorable for patient's rehabilitation; In addition, the medicinal liquid in infusion bottle is totally lost, and when the medicinal liquid in the transfusion drip tube reduces gradually, can not report to the police automatically and remind patient and nursing staff early.

Summary of the invention

The purpose of this utility model is to provide a kind of energy automatic-diversion closure, prevents that patient blood is back to the transfusion device of transfusion catheter.

The transfusion device of reporting to the police automatically when another purpose of the present utility model is to provide a kind of medicinal liquid in infusion bottle to be totally lost.

The purpose of this utility model is achieved in that a kind of transfusion device, it comprise transfusion drip tube, respectively with the inlet of this transfusion drip tube, the transfusion import and export conduit that liquid outlet is connected, it is characterized in that: in the cavity of described transfusion drip tube, be placed with float.

Above-mentioned float is spherical.

Adopt the transfusion device of said structure, when the medicinal liquid in the infusion bottle is totally lost, medicinal liquid in the transfusion drip tube can constantly reduce, liquid level descends, thereby the intravital float in transfusion drip tube chamber is sunk, up to " funnel-form " mouth of pipe or the liquid outlet that fall into the transfusion drip tube bottom, because the weight of spherical float self and the effect of external atmosphere pressure, make float be close to the mouth of pipe or liquid outlet flows downward to block medicinal liquid, reach automatic-diversion closure, prevent that patient blood is back to the purpose of transfusion catheter.

The top of above-mentioned transfusion drip tube has the dropper mouth, and this dropper mouth is provided with seal cover.

In order to realize another purpose of the present utility model: this utility model is equipped with alarm device at the dropper mouth place of described transfusion drip tube, this alarm device comprises shell, warning circuit, connecting rod, floating block, sheet metal, wherein, described shell is fixed on the described transfusion inlet ducts by the clamp on it, described warning circuit places in the described shell, described floating block places in the cavity of described transfusion drip tube and with an end of described connecting rod and is connected, the other end of described connecting rod passes the guide that is arranged at described outer casing bottom and is connected with described sheet metal in the shell, and described sheet metal moves up and down with described floating block and connecting rod.

After this utility model is set up above-mentioned alarm device, when normal infusion, medicinal liquid in the transfusion drip tube make the floating block in it be subjected to the dropper inner liquid medicine to it buoyancy and swim in the medicinal liquid, sheet metal and warning circuit disconnect, when the medicinal liquid in the infusion bottle is totally lost, medicinal liquid in the dropper also reduces gradually, at this moment, the buoyancy that floating block in the transfusion drip tube is subjected to is more and more littler can not to be subjected to buoyancy until the liquid level that breaks away from medicinal liquid, realizes reporting to the police because the weight of floating block self makes sheet metal and warning circuit connect.

Above-mentioned warning circuit is electrically connected mutually by power supply, tone generator, spring leaf and forms, wherein said spring leaf contacts with the button that is arranged at described cover top portion, the described spring leaf of Push button is connected circuit when using, it is the via hole that described connecting rod is connected with described sheet metal that the connecting line disconnection of the described warning circuit relative with the bottom guide of described shell has a breach, this breach.

The length of above-mentioned connecting rod is provided with like this with the assurance alarm device and can reports to the police less than the length of described transfusion drip tube.

Above-mentioned floating block is a cylinder, adopts its best results of tubular floating block.

The density of above-mentioned float, floating block adopts this density can make float, floating block that enough buoyancy is arranged in medicinal liquid less than the density of transfusion drip tube inner liquid medicine.

In sum, when adopting this utility model transfusion device, energy automatic-diversion closure when medicinal liquid is totally lost soon, stop the medicinal liquid in the transfusion drip tube to continue to flow, prevent that transfusion person's blood is back in the transfusion catheter, simultaneously, the medicinal liquid in infusion bottle is totally lost, when the medicinal liquid liquid level in the transfusion drip tube dropped to certain position, this utility model also can be reported to the police automatically to remind patient, nursing staff to handle in advance; This utility model is simple in structure, and is reasonable in design, easy to operate, is applicable to medical field.

Description of drawings

Fig. 1 is the structural representation of this utility model embodiment;

Fig. 2 is the structural representation of institute's employing alarm device among Fig. 1;

Fig. 3 is a kind of user mode sketch map of this utility model embodiment;

Fig. 4 is the another kind of user mode sketch map of this utility model embodiment.

The specific embodiment

Referring to Fig. 1, a kind of transfusion device of this utility model, it comprise transfusion drip tube 1, respectively with the inlet 11 of this transfusion drip tube 1, transfusion import and export conduit 11a, the 12a that liquid outlet 12 is connected, it is characterized in that: in the cavity of described transfusion drip tube 1, be placed with spherical float 2.

The top of above-mentioned transfusion drip tube 1 has dropper mouth 13, and this dropper mouth 13 is provided with seal cover.

Further referring to Fig. 2, in this example, dropper mouth 13 places at described transfusion drip tube 1 are equipped with alarm device 3, this alarm device 3 comprises shell 31, warning circuit 32, connecting rod 33, cylindrical float 34, sheet metal 35, wherein, described shell 31 is fixed on the described transfusion inlet ducts 11a by the clamp 31a on it, described warning circuit 32 places in the described shell 31, described cylindrical float 34 places in the cavity of described transfusion drip tube 1 and with an end of described connecting rod 33 and is connected, the other end of described connecting rod 33 passes the guide 31b that is arranged at described shell 31 bottoms and is connected with described sheet metal 35 in the shell 31, and described sheet metal 35 moves up and down with described cylindrical float 34 and connecting rod 33.

Above-mentioned warning circuit 32 is electrically connected mutually by power supply 32a, tone generator 32b, spring leaf 32c and forms, wherein said spring leaf 32c contacts with the button 31c that is arranged at described shell 31 tops, it is the via hole that described connecting rod 33 is connected with described sheet metal 35 that the connecting line disconnection of the described warning circuit 32 relative with the bottom guide 31b of described shell 31 has a breach 32d, this breach 32d.

The length of above-mentioned connecting rod 33 be described transfusion drip tube 1 length 1/2nd.

The density of above-mentioned spherical float 2, cylindrical float 34 is 0.5 * 1000 kilograms per cubic meter.

The use of this utility model embodiment is:

Referring to Fig. 1, at first, extruding transfusion drip tube 1, make and fill medicinal liquid (liquid level is 1/2nd places in the dropper pipe) in the dropper, at this moment, spherical float 2 in the transfusion drip tube 1 swims on the liquid level under the buoyancy of dropper inner liquid medicine, it is unimpeded to infuse, and opens the seal cover on the dropper mouth 13 again, and alarm device 3 is installed on the transfusion drip tube 1, press the button 31c at lower casing 31 tops at last, make spring leaf 32c connection circuit, because cylindrical float 34 is subjected to the medicinal liquid buoyancy function to swim in the liquid level place, support metal sheet 35 disconnecting circuits, so tone generator 32b is mute, the transfusion device normal infusion.

Referring to Fig. 3, when the medicinal liquid in the infusion bottle has flowed, medicinal liquid in the transfusion drip tube 1 also reduces gradually, liquid level descends, when the cylindrical float 34 in the medicinal liquid liquid level drops to transfusion drip tube 1 can not be subjected to buoyancy again, because the weight of cylindrical float 34 self makes sheet metal 35 and warning circuit connect and realizes reporting to the police, reminds patient or nursing staff to note changing dressings; Thereby reached the purpose of automatic warning.

Referring to Fig. 4, when the medicinal liquid in the transfusion drip tube 1 continue to reduce and patient or nursing staff when not finding the medicinal liquid in the transfusion drip tube 1 can constantly reduce, liquid level decline, thereby the intravital spherical float 2 in transfusion drip tube 1 chamber is sunk, up to " funnel-form " mouth of pipe or the liquid outlet that fall into the transfusion drip tube bottom, because the weight of spherical float 2 self and the effect of external atmosphere pressure, making spherical float 2 be close to the mouth of pipe or liquid outlet flows downward to block medicinal liquid, reach automatic-diversion closure, prevent that patient blood is back to the purpose of transfusion catheter.

When needs are changed dressings, the Push button 31c of nursing staff elder generation disconnects circuit, pushes transfusion drip tube 1 then, makes to inject medicinal liquid in the pipe, like this, spherical float 2 is subjected to buoyancy function again and rises, and swims in the medicinal liquid, and it is unimpeded to infuse, at this moment, cylindrical float 34 also is subjected to the buoyancy of medicinal liquid and swims in the medicinal liquid, sheet metal 35 disconnecting circuits, and alarm device 3 quits work.

Claims

1, a kind of transfusion device, it comprise transfusion drip tube (1), respectively with the inlet (11) of this transfusion drip tube (1), the transfusion import and export conduit (11a, 12a) that liquid outlet (12) is connected, it is characterized in that: in the cavity of described transfusion drip tube (1), be placed with float (2).

2, transfusion device as claimed in claim 1 is characterized in that: described float (2) is for spherical.

3, transfusion device as claimed in claim 1 is characterized in that: the top of described transfusion drip tube (1) has dropper mouth (13), and this dropper mouth (13) is provided with seal cover.

4, transfusion device as claimed in claim 3, it is characterized in that: the dropper mouth (13) at described transfusion drip tube (1) locates to be equipped with alarm device (3), this alarm device (3) comprises shell (31), warning circuit (32), connecting rod (33), floating block (34), sheet metal (35), wherein, described shell (31) is fixed on the described transfusion inlet ducts (11a) by the clamp on it (31a), described warning circuit (32) places in the described shell (31), described floating block (34) places in the cavity of described transfusion drip tube (1) and with an end of described connecting rod (33) and is connected, the other end of described connecting rod (33) passes the interior described sheet metal (35) of the guide (31b) that is arranged at described shell (31) bottom and shell (31) and is connected, and described sheet metal (35) moves up and down with described floating block (34) and connecting rod (33).

5, transfusion device as claimed in claim 4, it is characterized in that: described warning circuit (32) is electrically connected mutually by power supply (32a), tone generator (32b), spring leaf (32c) and forms, wherein said spring leaf (32c) contacts with the button (31c) that is arranged at described shell (31) top, the connecting line of the described warning circuit (32) relative with the bottom guide (31b) of described shell (31) disconnects a breach (32d), the via hole that this breach (32d) is connected with described sheet metal (35) for described connecting rod (33).

6, as claim 4 or 5 described transfusion devices, it is characterized in that: the length of described connecting rod (33) is less than the length of described transfusion drip tube (1).

7, transfusion device as claimed in claim 4 is characterized in that: described floating block (34) is a cylinder.

8, as claim 1,2 or 4 described transfusion devices, it is characterized in that: the density of described float (2), floating block (34) is less than the density of transfusion drip tube (1) inner liquid medicine.