CN2397937Y

CN2397937Y - Infusion alarm device

Info

Publication number: CN2397937Y
Application number: CN 99207079
Authority: CN
Inventors: 高太平
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-04-04
Filing date: 1999-04-04
Publication date: 2000-09-27
Anticipated expiration: 2009-04-04

Abstract

The utility model relates to a transfusion alarm device, which belongs to an accessory of a medical device. The utility model can prompt a user the completion of transfusion. The utility model comprises a cavity (8) which can be connected in series in a transfusion pipeline. Blind pipes (16, 13) which are used for fixing control switches (14, 15, 17) of an alarm circuit are arranged on the top of a cavity wall. A float in the cavity is connected with end movable ends (5) of the switches. Paralleled liquid inlet pipes (18, 19) of a containing cavity are provided with a needle head (21) of a three-way transfusion bottle, and alarm circuits (IC1, IC2, BG4). The utility model has the advantages of simple structure, reliable operation, convenient operation, and easy manufacture. Once the utility model is used, a user user's worry to oversight when transfusion finishes can be relieved.

Description

Infusion alarm

Infusion alarm belongs to the medical apparatus and instruments adnexa, relates generally to the warning structure in the transfusion.

The operation receiveing person infuses and finishes in time to pull out infusion needle in the known health care, and artificial guard monitors and can determine to execute art constantly, also is the way that extensively adopts at present; But need to increase the nurse personnel, concrete outcome is subject to the subjective factors influence.The scheme of being carried out by apparatus also has what is heard, and situation can be accurately pointed out in monitoring as photoelectricity, but dislikes cost higher, uses maintenance requirement also higher.The weight metering scheme can provide signal according to liquid measure, and technology is simple, but the numerous and jumbled fraud of structure is arranged.Although solution layer goes out, yet there are no actual application in use occasion.

This utility model purpose be propose to realize infusion alarm, simple in structure, be easy to practical technical scheme.

The purpose of this utility model is to realize like this, infusion alarm comprises the warning circuit casing, be fixed on the warning circuit on the casing, the signal input part of warning circuit is the gauge tap of control circuit break-make, the drive disk assembly that links with gauge tap, link, can experience the parts that controlled input liquid is about to use up with drive disk assembly, connect the parts of experiencing parts and transfusion liquid road, and the parts of fixing above-mentioned parts.Wherein, the parts that parts and transfusion liquid road are experienced in described connection are the sealed volume formula passages that can be series in the transfusion liquid road, and cavity volume is provided with and is positioned at upper chambers wall, cecum at upper shed blind pipe down when the use location; Described experience parts be positioned at cavity volume, its vertical rigging position can be by the float of intracavity level control; Described gauge tap is the mechanical type contactor that is fixed in the blind pipe top, and the line between switch and out-cavity electro road passes the tube wall place and keeps the tube wall sealing; Described drive disk assembly is the coupling components of float and switch room.Like this, float itself is by the intracavity liquid surface height controlling, through drive disk assembly by described on-off control warning circuit, when used transfusion liquid is about to use up, the intracavity liquid level must reduce, when causing switch motion, warning circuit just can reflect the variation of liquid level position synchronously, plays the report effect that monitors.Blind pipe can make liquid and circuit isolate trouble free service; Directly experience liquid level position by float, but simplified structure.Thereby the purpose of this utility model is achieved.

Cavity volume formula passage upper chambers wall described in the utility model is provided with connected chamber inside and outside opening and obstruction thereof, can guarantee cavity volume except that blind pipe charge into capacity can make the float operate as normal liquid, reach the sealing of opening part after this.

Cavity volume formula passage inlet described in the utility model is associated with two parallel pipelines, and cavity volume is stretched in the pipeline outlet, places position low than the blind pipe opening but the assurance float-controlled switch, and pipeline is held in user mode places the infusion bottle bottleneck in addition; Cavity volume was not established and was communicated with cavity volume inside and outside opening and obstruction thereof this moment.Like this, when medicinal liquid began to enter cavity volume, the intracavity air can enter infusion bottle by in the feed tube, and liquid is so incensed that with shunting, therefore no longer needed to be communicated with cavity volume inside and outside opening and obstruction thereof; When treating that the intracavity liquid level rises to the feed tube outlet, the passing away of intracavity air is blocked, and air is closed, stops to discharge, liquid level no longer raises the tube for transfusion operate as normal.

It is slightly variant that the use location is vertically assembled in two imports of feed tube in parallel described in the utility model, and wherein the import of a pipe is low slightly.Like this, entrance location is low is more convenient for the bottle herb liquid is imported described cavity volume.

Warning circuit described in the utility model contains two signal generating circuits and make-and-break control switch separately thereof, to increase the reliability of circuit working.

The arrival end of cavity volume feed tube described in the utility model is made and is had three-aisled cone, and wherein two link with described cavity volume feed tube in parallel, and another communicates with atmosphere by the road.Increase a pipeline position that communicates with the outer atmosphere of bottle, to satisfy needs that replenish air in the bottle when infusion bottle is infused, three-channel cone shape has been taken into account needs of the present utility model again.

This utility model is by the control of float to contactor, the parallel two-tube feed pathway, and dual signal generation circuit, the conical entrance of three paths has been set up monitoring, prompting structure to medical infusion liquid road.Can when guaranteeing normal infusion, remove the worry of user, accurate service is provided infusing and neglecting one's supervisory duties the finish time.Its simple in structure, easy to operate, reliable operation.

Accompanying drawing has provided the structural representation of this utility model embodiment.

Fig. 1 is single liquid pipe infusion alarm configuration diagram down;

Fig. 2 is two liquid pipe infusion alarm configuration diagram down;

Fig. 3 is a triple channel infusion bottle needle fits sketch map;

Fig. 4 is Fig. 3 triple channel infusion bottle syringe needle vertical view

Fig. 5 is the warning circuit schematic diagram.

Among the figure: 1. the single liquid pipes down 4. of infusion bottle 2. air inlet pipe 3. stop up 5. exhaustors, 6. medicinal liquids, 7. floats 8. report to the police jar 9. former tube for transfusion hypomeres 10. is it possible that in 14. times fixed contact 15. movable contacts 16. switch gear rooms 17. of kettle 11. warning circuit casees 12. connecting rods, 13. thin connection pipes fixed contact 18. lower-left liquid pipes 19. bottom right liquid pipe plug 20. feed tubes export 21. infusion bottle syringe needle AB-the go up contact K-on and off switch of the contact CD-following fixed contact of fixed contact

The utility model is described in further detail below in conjunction with embodiment.

First embodiment is single liquid pipe infusion alarm down, as Fig. 1,5, in the warning jar 8 of an imitative transfusion doleiform, place float 7, tank deck is provided with three

passages

3,13,5 that communicate with the external world, respectively with the infusion bottle list under the contactor chamber 16 and the exhaustor 5 of liquid pipe 3, sealing link, exhaust outlet is provided with and stops up 4.Switch gear room 16 is the sealing blind pipe, and the

switch

14,15,17 of control signal generation circuit is equipped with on indoor top, links with the operating circuit that has acoustic signal generation circuit through contact A BCD, and the lead place of drawing of switch gear room should seal.The float 7 of the movable contact 15 of switch in bar 12 and jar links, and the caliber of the passage 13 that bar 12 is passed through is thinner.Tank bottomsly be provided with outlet and contain that drop shows is it possible that the import of kettle 10 infusion pipeline hypomeres 9 links.Warning circuit such as Fig. 5 are made up of two NE555 of IC1, IC2 and related device thereof and speaker, power supply etc., the signal input part ABCD of two circuit respectively with the switch gear room in corresponding contacts link.It more than is description to this routine primary structure.

During use, assemble each parts by said structure relation and instructions for use, open the obstruction 4 of air vent then earlier, treat that jar inner liquid medicine 6 liquid levels rise, when being enough to make float 7 to break away from fixed contacts 14, the connection down fixed contact 17, to stop up the outlet of 4 shutoff exhaustors 5, tank level must not be higher than the under shed that the switch gear room carefully joins pipe 13 rapidly.After this conventional transfusion operation can continue.Treating needs to monitor when reporting after the transfusion beginning, promptly connects the electric former K switch of circuit, makes this example enter the follow-up work state.At this moment because of most of spaces in the jar 8 are full of medicinal liquid 6, float 7 forces switch 15,14 to be in to open circuit, 15,17 states that are in path.Promptly go up two contact A B conductings of fixed contact 17, BG3 conducting, the IC2 failure of oscillations; The CD contact of lower contact 14 disconnects, BG2 conducting, the IC1 failure of oscillations.Speaker operation, silent are sent.Begin to descend near end, tank level when infusing, when treating that float also descends thereupon, switch 15,17 separation of interlock with it disconnect, contact A B is disconnected, and BG3 ends, the IC2 starting oscillation, signal is sent into BG4, promotes speaker and sends sound, and prompting transfusion person note.Switch 15,14 closed conductings subsequently, promptly CD is connected, BG1 conducting, BG2 end, IC1 starting oscillation then, oscillator signal is sent into BG4 once more, promotes speaker once more and sends sound.Because of the major parameter difference of circuit that ABCD joins, as the sign among Fig. 5, then this moment warning circuit composite signal also change to some extent, point out transfusion person or nurse to finish transfusion once more.Until user active shut-off circuit, signal takes place just to stop ending, and finishes the full Cheng of the mistake journey of this example work.Because have two signal generating circuits always successively to devote oneself to work successively, play the effect of the collaborative insurance of two-way: circuit can monitor the overall process of transfusion again simultaneously, and this routine functional reliability is greatly improved.

Second embodiment such as Fig. 2 are two liquid pipe infusion alarms down, and structure is identical substantially with example one, be the pipeline that links with infusion bottle be two

alternate paths

18,19, wherein path 19 positions of upper end import in infusion bottle are lower.The import of this routine path 19 also can be contour with another path 18.Two positions of pipe lower end outlet 20 in jar 8 should be managed 13 under shed a little less than thin connection, and are positioned at the liquid level position that is enough to make float split circuit switch 15,14 and actuating switch 15,17.At this moment the exhaustor 5 as example one is no longer established at jar 8 tops.

When transfusion begins before the work, under the medicinal liquid effect of whereabouts, gas can enter in the infusion bottle from higher following liquid pipe 18 of tube inlet or the arbitrary liquid pipe down when contour in jar, when treating that tank level rises to down liquid pipe exit position, gases stop to enter in the infusion bottle 1 in the jar 8, and tank level no longer changes.After this working condition and example one are identical.

The 3rd embodiment and example two basically identicals, just tube for transfusion inserts the syringe needle of mouth of infusion bottle, makes the cone 21 that has three paths, and wherein two link with twice liquid pipes of this example 18,19, and whether its aperture position on syringe needle is contour all can; Another is the inlet channel position of infusion bottle routine, links with air inlet pipe 2.Other structures are all identical with last example with work.

Claims

1. infusion alarm comprises the warning circuit casing, be fixed on the warning circuit on the casing, the signal input part of warning circuit is the gauge tap of control circuit break-make, the drive disk assembly that links with gauge tap, link, can experience the parts that controlled input liquid is about to use up with drive disk assembly, connect the parts of experiencing parts and transfusion liquid road, and the parts of fixing above-mentioned parts; It is characterized in that: the parts that parts and transfusion liquid road are experienced in described connection are the sealed volume formula passages (8) that can be series in the transfusion liquid road, and cavity volume upper chambers wall is provided with cecum at upper shed blind pipe (16,13) down; Described experience parts be positioned at cavity volume, its vertical rigging position can be by the float (7) of intracavity level control; Described gauge tap is the mechanical type contactor (14,15,17) that is fixed in the blind pipe top, and the line between switch and out-cavity electro road passes the tube wall place and keeps the tube wall sealing; Described drive disk assembly is the coupling components (12) of float and switch room.

2. infusion alarm according to claim 1 is characterized in that: but the upper chambers wall of described cavity volume formula passage is provided with connected chamber inside and outside opening and obstruction (5,4) thereof.

3. infusion alarm according to claim 1, it is characterized in that: described cavity volume formula passage inlet is associated with the feed liquor pipeline (18,19) of two parallel connections, the pipeline outlet is stretched into cavity volume, is placed position low than the blind pipe opening but the assurance float-controlled switch, and feed tube is held in addition in user mode places infusion bottle bottle (1) mouth.

4. as infusion alarm as described in the claim 3, it is characterized in that: described feed tube two pipe imports in parallel use the vertical position of assembling slightly variant, and wherein the import of a pipe (19) is low slightly.

5. as infusion alarm as described in the claim 1,3 or 4, it is characterized in that: the arrival end of described cavity volume feed tube is made and is had three-aisled cone (21), wherein two link with described cavity volume feed tube (18,19), and another communicates with atmosphere through air inlet pipe (2).

6. as infusion alarm as described in the claim 1,2,3 or 4, it is characterized in that: described warning circuit contains two signal generating circuits and make-and-break control switch separately (IC1, IC2,14,15,15,17) thereof.

7. as infusion alarm as described in the claim 5, it is characterized in that: described warning circuit contains two signal generating circuits and make-and-break control switch separately (IC1, IC2,14,15,15,17) thereof.