CN2187466Y

CN2187466Y - Radio reporting device for medical transfusion

Info

Publication number: CN2187466Y
Application number: CN 93247311
Authority: CN
Inventors: 钱金龙
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-12-02
Filing date: 1993-12-02
Publication date: 1995-01-18
Anticipated expiration: 2003-12-02

Abstract

The utility model relates to a radio reporting device for medical transfusion, which comprises at least one transfusion device which comprises a machine body and an insulator cradle which is arranged on the machine body and is used for holding a transfusion bottle, a level detecting device which is arranged in the machine body, which comprises an infrared emitter, an infrared receiver, an electronic switch, an audio generator, an FM generator, a transmitting antenna and a first power supply circuit, an alarm device which comprises a receiving antenna, an FM receiver, an audio amplifier, an acoustics annunciator and/or an alarm display, and a second power supply circuit. The utility model has the advantage that nursing personnel can monitor the critical level of the transfusion device in a long distance.

Description

Radio reporting device for medical transfusion

This utility model relates to medical monitoring device, relates in particular to a kind of medical transfusion wireless indicator.

The medical infusion indicator is used for the monitoring of ward to transfusion patient, and when the liquid in the infusion bottle nearly used up, this alarm function in time sent warning signal, thereby reminds the timely fluid infusion of nursing staff or stop transfusion.

The 560 type transfusion devices of producing as American I VAC company are a kind of device that can monitor the transfusion situation automatically, though its automaticity is very high, function is more, but because it is bulky, fetch long price and need be equipped with special drip stand, infusion bottle and transfusion catheter and the monitoring probe of a cover when using, so in fact be difficult to generally promote, especially be not suitable for numerous middle and small hospitals as conventional infusion set.At this situation, domesticly once manufactured experimently several infusion alarms that are easy to popularize, for example utilize the liquid inductosyn to monitor the position of liquid level in the infusion bottle as probe.But this pick off is with respect to the liquid of different electrolyte concentrations, and the reaction rather unstable often has phenomenons such as reporting by mistake or fails to report to take place, so be difficult to be put to practicality for a long time always.Especially, the infusion alarm of domestic trial-production is generally unit, and alarm and transfusion device are arranged at one, and its alarm range is limited, as nursing staff during away from patient, handles with regard to can not in time finding alarm signal.And the unit infusion alarm is not easy to hospital and carries out automated management, thereby medical personnel's work efficiency is difficult to improve.

The purpose of this utility model be to provide a kind of can at least one infusion set of remote monitoring, in time indicate the medical transfusion wireless indicator of the critical liquid level of infusion set.

Another purpose of the present utility model is to provide a kind of responds to sensitivity, dependable performance, cost is low and can be in conjunction with the medical transfusion wireless indicator that utilizes ready-made drip stand, infusion bottle and transfusion catheter to infuse and guard.

To achieve these goals, medical transfusion wireless indicator of the present utility model comprises:

At least one infusion set, described infusion set comprise body and be arranged on the described body, in order to the bottle supporting frame of an infusion bottle of holding;

Liquid level detection device, described liquid level detection device comprises infrared transmitter and infrared remote receiver; The electrical switch that is connected with described infrared remote receiver; Be connected with described electrical switch, in order to when described infrared remote receiver receives infrared signal, produce the audio-frequency generator of the audio signal of a fixed frequency; In order to described audio signal is amplified, and in order to produce the frequency-modulated generator by the synthetic FM signal of described audio signal; The transmitting antenna that is connected with described frequency-modulated generator and first power circuit; Described infrared transmitter and infrared remote receiver comprise respectively and are arranged on the described body, are positioned at locational infrared emission component of infusion bottle riding position two offsides and infrared receiver component on the described body;

Alarm device, described alarm device comprise in order to receive the reception antenna of described FM signal; Be connected with described reception antenna, height is put in order to described FM signal is finished, frequency-selecting and in put, and export the fremodyne of described audio signal; The audio frequency amplifier that is connected with described fremodyne; The sound equipment annunciator and/or the attention display that are connected with described audio frequency amplifier; And second source circuit.

Medical transfusion wireless indicator of the present utility model can further comprise: be connected the audio decoder between described audio frequency amplifier and described sound equipment annunciator and/or the attention display.

Medical transfusion wireless indicator of the present utility model, because of alarm device and infusion set branch are arranged, it effectively receives radius is about 50 meters, so the nursing staff can monitor the critical liquid level of a certain infusion set in certain range of activity.When monitoring a plurality of infusion set with an alarm device, this alarm device can be arranged on nurses' office or other occasion, any one infusion set that is monitored is as long as its liquid level arrives critical localisation, alarm device can send alarm signal like clockwork, and show the numbering of this infusion set, improve the automated management degree of hospital thus, and alleviated nursing staff's burden greatly.In addition, medical transfusion wireless indicator of the present utility model is owing to utilize the infrared detection principle to detect the transfusion liquid level, and can utilize ready-made infusion bottle, apparatuses such as drip stand and transfusion catheter are used, so have characteristics such as detection sensitivity height, low cost of manufacture, use be flexible.

Below in conjunction with drawings and Examples this utility model is further described.

Fig. 1 is the front view of an infusion set of this utility model medical transfusion wireless indicator;

Fig. 2 is the side view of infusion set shown in Figure 1;

Fig. 3 is the vertical view of the bottle supporting frame of infusion set shown in Figure 1;

Fig. 4 is the vertical view of the bottle supporting ring of infusion set shown in Figure 1;

Fig. 5 is the circuit block diagram of first embodiment of this utility model medical transfusion wireless indicator;

Fig. 6 is the circuit diagram of a liquid level detection device 60 of indicator shown in Figure 5;

Fig. 7 is the circuit diagram of an alarm device 70 of indicator shown in Figure 5;

Fig. 8 is the circuit diagram of the alarm device 701 of second embodiment of this utility model medical transfusion wireless indicator;

Fig. 9 is the circuit diagram of the alarm device 702 of the 3rd embodiment of this utility model medical transfusion wireless indicator.

Referring to Fig. 1 to Fig. 4, medical transfusion wireless indicator of the present utility model comprises at least one infusion set, and this infusion set comprises body 10 and in order to the bottle supporting frame 20 of holding infusion bottle.Wherein, bottle supporting frame 20 comprises ring 21, encircles 22 and encircle connecting portion 23 up and down down.Bottle supporting frame 20 for example is arranged on the top of body 10 by fixed strip 31 and bolt 32, its down ring 22(or go up ring 21) both sides for example by torsionspring (not shown) be provided with two to ring 22(or encircle 21) center contraction and bottle gripper 24, have the infusion bottle of different capabilities with clamping.Last ring 21 both sides for example are provided with two joint hinges 26 by welding, and movable suspension rod 27 is set on the joint hinge 26.

Liquid level detection device 60(is set in body 10 sees Fig. 5 and shown in Figure 6), in its bottom bottle supporting ring 17 is set.The inboard of bottle supporting ring 17 is provided with the infrared components with inclined-plane 173 in a grommet 171 is installed, have on 171 two pairs of side positions of grommet and 174 through holes 172 at the bottom of the bottle supporting ring, in order to infrared emission component VD1 and infrared receiver component VD2(to be installed as shown in Figure 5) with an angle.The through hole 172 of above-mentioned two pairs of side positions is provided with to such an extent that make when liquid level in the infusion bottle drops to predetermined warning position, and the infrared light that is sent by the infrared emission component VD1 that is arranged in the side through hole 172 is refracted to the infrared receiver component VD2 that is arranged in another through hole 172 through liquid level just.The front of body 10 is provided with on and off switch K1, LED 1, voltage tester button K2 and voltage indicator lamp L.Above-mentioned bottle supporting frame 20, bottle gripper 24 and suspension rod 27 for example adopt stainless steel strip to constitute, and the housing of body 10 is for example made with the ABS engineering plastics, and grommet 171 is for example made with polyphenyl alkene.

Fig. 5 is the circuit block diagram of first embodiment of this utility model medical transfusion wireless indicator, and it comprises liquid level detection device 60 and alarm device 70.Wherein, liquid level detection device 60 comprises infrared transmitter 61, infrared remote receiver 62, electrical switch 63, audio-frequency generator 64, frequency-modulated generator 65, first power circuit 66 and transmitting antenna 67; Alarm device 70 comprises fremodyne 71, audio frequency amplifier 72, audio decoder 73, digital encoder 74, digital decoder 75, character display 76, sound equipment annunciator 77, second source circuit 78 and reception antenna 79.

Fig. 6 is the electrical schematic diagram of a liquid level detection device 60 of medical transfusion wireless indicator shown in Figure 5.The concrete formation and the work process thereof of this liquid level detection device 60 are described now in conjunction with Fig. 5 and Fig. 6.Wherein, infrared transmitter 61 comprises the anti-phase RC agitator of the two-stage OSC that is made up of phase inverter F1 and F2, potentiometer W1 and capacitor C1, the phase inverter F3 that is connected with this agitator, and infrared emission component (for example the using infrared-emitting diode) VD1 that is connected phase inverter F3 outfan.Infrared remote receiver 62 comprises infrared receiver component (for example the using infrared receiving diode) VD2 that is connected in series and resistor R 2 and the warning indicating circuit that is composed in series by phase inverter F4, F5 and LED 1 and current-limiting resistor R3 thereof, and the input of this warning indicating circuit is connected on above-mentioned infrared emission component VD1 and the contact that resistor R 2 is connected by capacitor C21.Electrical switch 63 comprises the phase inverter F6 that is connected above-mentioned warning indicating circuit outfan, the diode D1 that is connected with phase inverter F6, with diode D1 capacitor connected in series C18, with and base stage and emitter stage be connected across the transistor BG1 at capacitor C18 two ends.The collector contact B of transistor BG1 is connected to the earth terminal B ' of audio-frequency generator 64 and frequency-modulated generator 65.First power circuit 66 comprises battery DC1, K switch 1 and be connected across the positive and negative two ends of battery DC1 is for example used light emitting diode by voltage tester button K2, current-limiting resistor R10, diode D2 and voltage indicator lamp L() circuit for testing voltage being connected in series and forming.Above-mentioned phase inverter F1 to F6 for example uses a kind of Low-Power CMOS hex inverter.

Audio-frequency generator 64 comprises that audio signal generation ic chip 2(for example uses the SL3909 audio signal generator) and peripheral cell.Wherein, capacitor C2 is connected across between the 2nd end and the 8th end of ic chip 2, and potentiometer W2 is connected across between the 4th end and the 8th end of ic chip 2.Capacitor C2 is in order to determine the audio frequency range of audio-frequency generator 64, and the operating frequency of audio-frequency generator 64 can be regulated continuously by potentiometer W2.In addition, the 5th end of ic chip 2 is connected to first power circuit, 66, the 4 end ground connection.Frequency-modulated generator 65 comprises that FM signal generation ic chip 3(for example uses the BA1404 FM signal generator) and peripheral cell (comprise resistor R 5-R8, capacitor C5-C15 and inducer L1, L2, wherein, the 18th end of ic chip 3 is coupled to the 2nd end of ic chip 2 by capacitor C4, the 15th end is connected to power circuit 66, the 3rd end is connected to earth terminal, and the 7th end is coupled to transmitting antenna 67 by capacitor C17.

As previously mentioned, liquid level detection device 60 is arranged in the body 10 of infusion set, after on and off switch K1 closes, the two poles of the earth anti-phase RC agitator OSC produces intermittently square-wave signal, this square-wave signal is arranged at through hole 172(through the anti-phase rear drive of phase inverter F3 and sees Fig. 2) in infrared emission component VD1 produce acclivitous incident illumination, this incident illumination sees through the infusion bottle (not shown) be nested in the bottle supporting frame 20 and projects on wherein the liquid, because the liquid level of liquid is equivalent to a minute surface that refractivity is very strong, therefore, when the liquid level in the infusion bottle dropped to the precalculated position, the incident illumination that element VD1 is produced was refracted on the infrared receiver component VD2 that is arranged on its offside just via liquid level.

Infrared receiver component VD2 receives conducting behind the light pulse signal, and the input of phase inverter F4 becomes electronegative potential by original high potential, and phase inverter F5 is output as low level, and LED 1 energising is lighted.Meanwhile, phase inverter F6 is output as high level, transistor BG1 conducting, and the earth terminal of audio-frequency generator 64 and frequency-modulated generator 65 is connected to by transistor BG1 on the negative pole of battery DC1 of power circuit 66, makes them get electric and works.Audio-frequency generator 64 produces the audio signal of a fixed frequency, this audio signal is delivered to the 18th end of the ic chip 3 of frequency-modulated generator 65, after the preposition amplification and signal modulation of IC3 inside, by transmitting antenna 67 one is launched by the synthetic radiofrequency signal of audio signal (FM signal) by its 7th end.

Medical transfusion wireless indicator of the present utility model for example can comprise No. 0 to No. 7 eight infusion sets that number in order, and the liquid level detection device 60 that is arranged in each infusion set can outwards send a synthetic FM signal of the audio signal with different frequency respectively.

Fig. 7 is the electrical schematic diagram of an alarm device 70 of medical transfusion wireless indicator shown in Figure 5.The concrete formation and the work process thereof of this alarm device 70 are described now in conjunction with Fig. 5 and Fig. 7.Wherein, fremodyne 71 comprises that FM reception ic chip 4(for example uses MC3372 narrow-band FM receiving circuit) and peripheral cell (comprise capacitor C22-C35, resistor R 21-R33, inducer L3, L4, rheostat W3, crystal oscillator CZ1-CZ2 and intermediate-frequenkcy ceramic filter CFU.The 4th end and the 12nd end of ic chip 4 are connected respectively to second source circuit 78; The 15th end ground connection also is connected to reception antenna 79 by inducer L3 and the capacitor C22 that is connected in series; The 16th end is coupled to above-mentioned the 15th end by capacitor connected in series C23 and resistor R 21, and the contact that capacitor C23 is connected with resistor R 21 then is connected on above-mentioned inducer L3 and the contact that capacitor C22 is connected.The 14th end of ic chip 4 is coupled to next stage audio frequency amplifier 72 as outfan.

Audio frequency amplifier 72 comprises that audio frequency amplification integrated block IC 5(for example uses the LM386 audio amplifier circuit) and peripheral cell capacitor C36.The 2nd end of ic chip 5 and the 4th end ground connection; The 3rd end is coupled by the resistor R 37 that is connected in series and the outfan of capacitor C37 and previous stage fremodyne 71, and by capacitor C38 ground connection; The 5th end is connected to next stage audio decoder 73 as outfan via coupling capacitor C39.

Audio decoder 73 can comprise (maximum eight) with different center frequency fo that number in order, and audio decoder (for simplicity's sake, the first via audio decoder 731 that only draws among Fig. 7, it is coupled to the outfan of previous stage audio frequency amplifier 72 via capacitor C411.All the other the second road to the eight road audio decoders can be coupled to the outfan of above-mentioned audio frequency amplifier 72 respectively by capacitor C412 to C418), each audio decoder comprises that an audio coding ic chip 6(for example uses LM567 phaselocked loop tone decoder) and peripheral cell resistor R 41, potentiometer W41 and capacitor C42-C44.The 3rd end of ic chip 6 connects above-mentioned capacitor C411, the 7th end ground connection, and the 8th end is connected to next stage digital encoder 74 as outfan.Wherein, potentiometer W41 is in order to change the mid frequency fo of ic chip 6 internal voltage controlled oscillator, like this, the first to the eight road audio decoder can be by regulating potentiometer W41 separately, make its mid frequency fo separately, respectively with FM signal that aforementioned No. 0 to No. 7 liquid level detection device 60 sends in the frequency of modulating signal of frequency modulation corresponding one by one.

Digital encoder 74 comprises that address selection switch ic chip 7(for example selects a two-way analog switch with CD4051 eight); Counter ic IC8(for example uses the CD4516 enumerator); 9(for example uses 555 time base circuits by the time base circuit ic chip) and the rest-set flip-flop 741 formed of peripheral cell resistor R 63, R64 and capacitor C63; And for example use 555 time base circuits by time base circuit ic chip 10() and the astable multivibrator 742 formed of peripheral cell resistor R 71, R72 and capacitor C71, C72.Wherein, the 13rd, 14,15,12,1,5,2 and 4 ends of ic chip 7 are connected with the outfan of the aforementioned first via to the eight road audio decoders 731 successively as No. 0 input to No. 7 signaling switch circuits; Its 3rd end (outfan) is connected to low triggering of 2(of ic chip 9) end.The 6th, 11 and 14 ends of ic chip 8 are connected to the 11st, 10 and 9(address of ic chip 7 successively respectively as Q1, Q2 and three data terminals of Q3) end.The 3(output of ic chip 10) end is connected to the 15(CP of ic chip 8) end.The 3(of ic chip 9 output) end is connected to the 6th end of ic chip 7 and the 5th end of IC8, and its 6(is high to be triggered) end is connected to second source circuit 78 via SR AN1.

Digital decoder 75 is for example used CD4511 seven-segment decoder IC11, and character display 76 is for example used the LSE547LED display.Wherein, the 7th of decoder IC11 the, 1 and 2(binary signal input) end is connected respectively to the Q1-Q3 end of ic chip 8; Its 4(blanking) end is connected to the outfan of ic chip 9, and its seven decadic signaling outfans are connected with display 76 via resistor R 81-R87 respectively.

Sound equipment annunciator 77 comprise be connected to ic chip 9 outfans sound generator 771(it comprise phase inverter F11 to F14, resistor R 65-R67, capacitor C61, C62 and diode D61, D62), speaker (or buzzer) Y and the volume potentiometer W6 that is connected in series with it.Second source circuit 78 comprises transformator T, diode bridge rectifier D91-D94, and filter capacitor C90, integrated package of pressure-stabilizing IC12 and on and off switch K9 and power supply indicator LED6, it provides working power for alarm device 70.

After alarm device 70 energized, the multivibrator 742 in the digital encoder 74 provides count pulse for counter ic IC8.The outfan Q1-Q3 output triad digital signal of ic chip 8 provides address code A, B, C as address selection switch ic chip 7.When the address code of A, B, C was " 000 ", the outfan of ic chip 7 is portion and No. 0 audio signal switch circuit connection within it; When the address code of A, B, C was " 001 ", the outfan of IC7 and No. 1 audio signal switch circuit were connected; By that analogy, one group of data of ic chip 8 every outputs " 000 " to " 111 ", IC7 promptly finishes single pass to No. 0 to No. 7 signaling switch circuit.This scanning process is capable of circulation carries out, and when the 5th end of counter ic IC8 is put high level, just stops counting and scanning.

Meanwhile, if the aforementioned interior liquid level detection device 60 of infusion set that is arranged on a certain numbering (for example No. 5), when outwards sending the synthetic FM signal of audio signal with a certain frequency because of detecting critical liquid level, alarm device 70 is received this FM signal via reception antenna 79.Then, by fremodyne 71 finish to the height of this FM signal put, frequency-selecting and in put, export former in synthetic audio signal.This audio signal is delivered to next stage audio decoder 73 after audio frequency amplifier 72 amplifies.As previously mentioned, because the mid frequency fo of the 6 road audio decoder 731 in the audio decoder 73 is just in time corresponding with the frequency of this audio signal, so the outfan of the ic chip 6 in the 6 road audio decoder is a low level by original high level upset promptly, the input of No. 5 signaling switch circuits of the ic chip 7 that is connected with this outfan is a low level by original high level saltus step also.Like this, ic chip 7 is when doing above-mentioned periodic scanning, and as its address code A, when B, C are " 101 ", its outfan and No. 5 signaling switch circuits are connected, and output is low level by the high level saltus step.After the 2nd termination of the ic chip 9 that is connected with this outfan was received this negative-going pulse, its outfan was a high level by original low transition, thereby made the 5th end set of counter ic IC8, made it stop counting; And make the 4th end of digital decoder 75 place high level, make it that above-mentioned binary address sign indicating number of importing on the 7th, 1 and 2 ends " 101 " is translated into decimal number " 5 " and on light-emitting diode display 76, show; Simultaneously, start sound generator 771, and send alarm sound by its driving speaker Y by this high level signal.After the nursing staff disposes according to signal, as long as click SR AN1, alarm device 70 is resetted, place monitored state again.

Figure 8 shows that the electrical schematic diagram of the alarm device 701 of second embodiment of this utility model medical transfusion wireless indicator, it comprises fremodyne 71, audio frequency amplifier 72, sound and light signal annunciator 771, battery DC2, on and off switch K3 and reception antenna 79.Among Fig. 8, with label identical among Fig. 5 and Fig. 7, the expression present embodiment in above-mentioned first embodiment in components identical.Wherein, sound and light signal annunciator 771 comprises the speaker Y that is connected with the outfan of audio frequency amplifier 72, and the LED 3(that is connected in series that is attempted by speaker Y two ends is as attention display) and resistor R 40.This alarm device 701 is suitable for monitoring an infusion set, compare with aforementioned alarm device 70, because it has reduced a large amount of components and parts, so on volume, can do very for a short time, can carry by nurse on duty or nursing staff, can in certain range of activity, receive the alarm signal.

Figure 9 shows that the electrical schematic diagram of the alarm device 702 of the 3rd embodiment of this utility model medical transfusion wireless indicator, it comprises fremodyne 712, audio frequency amplifier 72, audio decoder 73, character display 762, sound equipment annunciator 772, second source circuit 78 and reception antenna 79.Among Fig. 9 with Fig. 5 and Fig. 7 in identical label, the expression present embodiment in aforementioned first embodiment in components identical.Wherein, fremodyne 712 comprises that FM reception ic chip 41(for example uses TDA7021T FM reception circuit) and peripheral cell capacitor C201-C213 and inducer L201 and L202.The 12nd end of ic chip 41 is connected to reception antenna 79, the 14 ends via capacitor C212 and is connected to next stage audio frequency amplifier 72 through coupling capacitor C37.

Audio frequency amplifier 72 is connected to next stage audio decoder 73 via resistor R 40.As previously mentioned, audio decoder 73 comprises maximum eight audio decoders 731 to 738(for simplicity's sake, four audio decoders 731 to 734 in only drawing among Fig. 9).Character display 762 comprises that maximum eight LED, seven piece of digital display screen LED11 to LED18(are same, for simplicity's sake, four digital display screen LED11 to LED14 only draw among Fig. 9), their anode is parallel with one another and be connected to second source circuit 78 via current-limiting resistor R100, its negative electrode respectively with previous stage audio decoder 73 in the 8(output of corresponding audio decoding circuits 731 to 738) end is connected, and connect into can distinguish in order display digit " 1,2 ... 8 ".Sound equipment annunciator 772 comprises for example Figure 74 HC04 acoustics circuit of audio manifold block IC12() and peripheral cell resistor R 601-R603, capacitor C601-C602, diode D6, and the transistor BG6 that is connected in series, the speaker Y and the volume potentiometer W6 that are connected ic chip 12 first ends via resistor R 66.Wherein, an end of resistor R 603 is connected on the 8th end of ic chip 12, and the other end is connected to the contact (representing that with A, A ' be connected at these 2 among the figure) that the anode of above-mentioned digital display screen LED11-LED18 is connected with resistor R 100.

When alarm device 702 is received the FM signal of a certain voice modulation of usefulness that aforementioned a certain liquid level detection device 60 sends, corresponding audio decoder gating in the audio decoder 73, its outfan is an electronegative potential by the high potential upset, light for its digital display screen that is connected energising, show corresponding digital.Meanwhile, the A point current potential that is connected with the digital display screen anode reduces, and starts sound equipment annunciator 772 and sends alarm sound.Different is that the alarm device 702 of present embodiment has saved digital encoder 74 and digital decoder 75 with the alarm device 70 of first embodiment.And, because the alarm device 702 of present embodiment adopts the digital display screen with the infusion set respective numbers, so for example when several liquid level detection devices 60 send signal simultaneously, each digital display screen can show simultaneously accordingly.

Certainly, according to design of the present utility model, those skilled in the art can also make many variations to this, but they all belong within the scope of the present utility model.

Claims

1, a kind of medical transfusion wireless indicator comprises:

At least one infusion set, described infusion set comprise body and are arranged on the described body, in order to the bottle supporting frame of an infusion bottle of holding; It is characterized in that it also comprises:

Liquid level detection device, described liquid level detection device is arranged in the described body, and it comprises infrared transmitter; Infrared remote receiver; The electrical switch that is connected with described infrared remote receiver; Be connected with described electrical switch, in order to when described infrared remote receiver receives infrared signal, produce the audio-frequency generator of the audio signal of a fixed frequency; In order to described audio signal is amplified, and in order to produce the frequency-modulated generator by the synthetic FM signal of described audio signal; The transmitting antenna that is connected with described frequency-modulated generator and first power circuit; Described infrared transmitter and infrared remote receiver comprise respectively and are arranged on the described body, are positioned at locational infrared emission component of infusion bottle riding position two offsides and infrared receiver component on the described body;

2, medical transfusion wireless indicator as claimed in claim 1 is characterized in that described alarm device further comprises the audio decoder that is connected between described audio frequency amplifier and described sound equipment annunciator and/or the attention display.

3, medical transfusion wireless indicator as claimed in claim 2, it is characterized in that further comprising the digital encoder that carries out binary digital encoding in order to status signal to described audio decoder output, in order to described binary digital encoding is converted to the digital decoder of ten's digit signal, described attention display is for showing the character display of described ten's digit signal.

4, as claim 1 or 2 or 3 described medical transfusion wireless indicators, it is characterized in that described infrared remote receiver further comprises the warning indicating circuit that is connected with described infrared receiver component.

5, as claim 1 or 2 or 3 described medical transfusion wireless indicators, it is characterized in that the circuit for testing voltage that described first power circuit comprises dc source and is attempted by described dc source two ends.

6, medical transfusion wireless indicator as claimed in claim 2 is characterized in that, described attention display is seven sections LED digital display screens.