CN2482428Y - Blood and liquid warming-up device - Google Patents

Blood and liquid warming-up device Download PDF

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Publication number
CN2482428Y
CN2482428Y CN 01241213 CN01241213U CN2482428Y CN 2482428 Y CN2482428 Y CN 2482428Y CN 01241213 CN01241213 CN 01241213 CN 01241213 U CN01241213 U CN 01241213U CN 2482428 Y CN2482428 Y CN 2482428Y
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CN
China
Prior art keywords
circuit
led
housing
fixed
power supply
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Expired - Fee Related
Application number
CN 01241213
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Chinese (zh)
Inventor
赵洪玲
赵华
冷广秀
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Guangen Medical Apparatus & Instrument Inst Shenyang
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Guangen Medical Apparatus & Instrument Inst Shenyang
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Priority to CN 01241213 priority Critical patent/CN2482428Y/en
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Publication of CN2482428Y publication Critical patent/CN2482428Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a blood and liquid warmer, which comprises a casing body, two electric heating rods, a circuit board and a circuit part. A separation plate is arranged inside the casing body, the separation plate divides the casing body into an electrical room and a heating chamber, the circuit board is fixed inside the electrical room, the two electric heating rods are arranged at the bottom part of the heating chamber, an insulation net is horizontally arranged at the lower middle part inside the heating chamber, the heating chamber is filled with water, and the casing body is provided with an inlet hole and an outlet hole of a blood transfusion tube, and a plurality of air holes. The circuit part comprises a warming up circuit, a temperature controlling circuit and an alarming circuit. The utility model has the advantages of simple structure, strong practical performance, reliable operation, and accurate alarming.

Description

Blood, fluid warmer
This utility model relates to a kind of medical instruments, particularly relates to a kind of blood, fluid warmer that can the input intravital blood of patient or liquid heating.
In operation process, when particularly rescuing critical patients such as significant wound hemorrhagic shock, medical personnel need low temperature blood and liquid are imported in patient's body by vein in a large number fast, because cold stimulation, patient's shiver with cold, incompatible and defeated cold liquid reaction have been caused, not only increase the weight of the state of an illness, reduced cure rate, more increased patient's convalescence.
The purpose of this utility model is to provide a kind of at the problems referred to above can avoid the patient to produce blood, the fluid warmer that feels cold because of transfusing blood or infusing input patient's blood or liquid heating.
The purpose of this utility model realizes by following technical scheme, that is:
Blood, fluid warmer comprise housing, fixed mount and circuit part; Circuit part comprises heater circuit, temperature control circuit and power supply circuits, electrical equipment digital thermometer, ammeter, on and off switch K 1, temperature detect switch (TDS) K 2, emergency button K 3, alarm switch K 4, fan switch K 5, power supply indicator LED 1, three temperature control display lamp LED 2, LED 3, LED 4, two alarm lamp LED 5, LED 6Be installed on the housing front console, other electrical equipment is installed on the circuit board, stand in the housing and establish a dividing plate, dividing plate will be separated into electric panel room and heating clamber in the housing, and the bottom of heating clamber is provided with a plurality of electrical bars, middle and lower part in the heating clamber is horizontally disposed with a separation net, aqueous medium is housed in the heating clamber, and the outer wall of heating clamber is provided with blood transfusion tube and enters the hole and portal, and is equiped with blower fan and circuit board in the electric panel room, housing is arranged on the fixed mount, and fixed mount is fixed on the drip stand.
Described fixed mount comprises pallet, riser, positioning seat and iron hoop, iron hoop is fixed on the rear end end face of housing, the upper end of riser can be inserted in the iron hoop, its lower end is fixed on the pallet, positioning seat is made of two box bodys that can fasten, the upper and lower end face of two box bodys is respectively equipped with a semi-circular recesses on the corresponding position, one side of two box bodys connects by folding, opposite side can be fastened togather, positioning seat is fixed on the riser, wear a jackscrew on its front end face, positioning seat can be fixed on the drip stand by screwing jackscrew.
This utility model can be imported the blood and the liquid heat of low temperature (4 ℃) in patient's body behind body temperature, avoided because of blood or the low symptomatic reactions such as the patient shivers with cold, discomfort that cause of temperature of liquid, accelerated the rehabilitation of patients phase, alleviate patient's the state of an illness and improved cure rate, the utlity model has simple in structure, advantages such as practical, reliable, warning is accurate have higher using value and development prospect.
Fig. 1 is the front perspective view of a kind of embodiment of this utility model.Fig. 2 is this utility model rear perspective sketch map.Fig. 3 is circuit theory diagrams of the present utility model.The utility model is described in further detail below in conjunction with accompanying drawing.
Blood, fluid warmer comprise housing 1, fixed mount 2, blower fan 3, circuit board 4, two electrical bars 5, digital thermometer 6 and circuit parts.Vertically be provided with a dividing plate 8 in the housing 1, this dividing plate 8 will be separated into electric panel room 9 and heating clamber 10 in the housing 1, two electrical bars 5 are fixed on the bottom of heating clamber 10, middle and lower part level in heating clamber 10 is installed a separation net 12 for blood transfusion tube 11 placements, in the heating clamber 10 aqueous medium is housed, be drilled with on the outer wall of heating clamber 10 that blood transfusion tube enters hole 13 and the outer wall of 14 electric panel rooms 9 that portal on be drilled with a plurality of air-vents 22, fixed mount 2 is by pallet 15, riser 16, iron hoop 21, and positioning seat 21 constitutes, iron hoop is fixed on the housing 1 rear end outside wall surface, riser 16 upper ends can be inserted in the iron hoop 21, and its lower end is fixed on the pallet 15.Positioning seat is made of two square box bodys that are interlocked 17,18, dig respectively on the corresponding position, upper and lower end face of two square box bodys 17,18 and be provided with a semi-circular recesses 19, one side of two box bodys 17,18 connects by folding, opposite side can be fastened togather, the rear end face of wherein square box body 17 is fixed on the riser 16, one jackscrew 23 that penetrates in the box body 18 is installed on the front end face of square box body 18, and positioning seat can be positioned on the drip stand 20 by screwing jackscrew 23.
Circuit part comprises and adds circuit temperature, temperature control circuit, warning circuit and power supply circuits.Add circuit temperature and comprise two electrical bars 5, on and off switch K 1, emergency button K 2, after the series connection, the one end is through ammeter 7, K switch mutually for bidirectional triode thyristor BCR and ammeter 7, two electrical bars 5 1Reach electric fuse and be connected with the L end of power supply, its other end is respectively through controllable silicon BCR and K switch parallel with one another 3After connect the N end of power supply.K closes a switch 1The trigger electrode of back controllable silicon SCR can be controlled the break-make of heater circuit automatically under the effect of the triggering signal that control circuit produced.Temperature control circuit comprises electrochemical capacitor C 1, three-terminal voltage-stabilizing pipe LM 1, potentiometer W 1, critesistor R T1Linear resistance R F1, resistance R 0, R 1, R 2, R 3, R 4, R 5, R 6, 4 diode D 1, D 2, D 3, D 4, three LEDs 2, LED 3, LED 4, operational amplifier DF 1, time base circuit IC1, capacitor C 2And K switch 2Diode D wherein 1-D 4Form bridge rectifier, K 2Be serially connected on the input circuit of bridge rectifier bridge rectifier and LM1, potentiometer W 1, electrochemical capacitor C 1And resistance R 1Form regulated power supply.The N end of one termination power of sedan-chair formula rectifier output end, 2 feet of its another termination LM1,1 foot of LM1 is held C through the N that potentiometer 1 connects power supply 13 feet of a termination LM1, the N utmost point of another termination power, resistance R 1Two ends connect 1 foot and 3 feet of LM1 respectively.Resistance R T1, R F1, R 1Be in series, the two ends after the series connection connect respectively on the both positive and negative polarity of regulated power supply, display lamp LED 2An end through resistance R 3Connect the positive pole of regulated power supply, the negative pole of its another termination regulated power supply, operational amplifier DF 17 feet and 4 feet connect respectively on the both positive and negative polarity of regulated power supply, its two input 3 feet and 2 feet meet R respectively T1With R F1The P of line 1Point and LED 2With R 3The P of line 2Point, its outfan 6 feet are connected with 2 feet with 6 feet of IC1 respectively.4 feet of IC1 and 8 feet connect the positive pole of regulated power supply, its 5 foot meridian capacitor C 2Connect the negative pole of regulated power supply, the negative pole of the direct regulated power supply of its 1 foot.LED 3The negative pole of a termination regulated power supply, the other end is through resistance R 4Connect outfan 3 feet of IC1.LED 4Outfan 3 feet of a termination IC1, the other end is through resistance R 6Connect the positive pole of regulated power supply.The outfan of IC1 is through resistance R 5Connect the trigger electrode of controllable silicon BCR.Warning circuit comprises three-terminal voltage-stabilizing pipe LM2, potentiometer W 2, alarm switch K 4, diode D 5-D 8, critesistor R T2, linear resistance R F2, resistance R 7-R 11, two LEDs 5, LED 6, operational amplifier DF2, time base circuit IC2 and capacitor C 3, C 4, C 5, C 6, music-integrating block CL9300, speaker Y.D wherein 5-D 8, W 2, LM2, C 3, R 7Form regulated power supply, its electric elements annexation is same as described above, no longer narration.R T2, R F2, R 8Series connection back be in series with resistance R 9LED 5Parallel connection, the circuit two ends after the parallel connection connect the positive pole and the negative pole of regulated power supply respectively.Capacitor C 4An end meet R respectively F2With R 6The P of line 32 feet of point and IC2 input, the negative pole of its another termination regulated power supply.6 feet of IC2 input are through resistance R 10Connect the positive pole of regulated power supply, 4 feet of IC2 and 8 feet directly connect the positive pole of regulated power supply, its 5 foot meridian capacitor C 5Connect the negative pole of regulated power supply, its 1 foot directly connects the negative pole of regulated power supply.LED 6With R 11Series connection back and capacitor C 6Parallel connection, 3 feet of the circuit one termination IC555 outfan after the parallel connection, the negative pole of another termination regulated power supply.1 foot of music-integrating block CL9300 and 3 feet that connect the IC2 outfan after 2 feet are connected, 3 feet of CL9300 connect the positive pole of regulated power supply through speaker Y, and its 4 foot directly connects the negative pole of regulated power supply.Power supply circuits are by voltage-stabilized power supply circuit, electrochemical capacitor C 8And K switch 5Form.Voltage-stabilized power supply circuit is by diode D 9-D 12, rheostat W 3, three-terminal voltage-stabilizing pipe LM3, electrochemical capacitor C 7And resistance R 12Form.The connection of its each element is identical with above-mentioned method of attachment, so no longer narration.Electrochemical capacitor C 8Two ends connect by D respectively 9-D 12The positive pole and the negative pole of the bridge rectifier outfan of forming, and the positive pole of bridge rectifier outfan is through K switch 5Draw the positive pole of 12V power supply, the negative pole of bridge rectifier outfan is directly drawn the negative pole of 12V power supply.The 12V dc source air feed machine of drawing is used.Drawing the 1.5V dc source at the outfan of voltage-stabilized power supply circuit uses for digital thermometer.Above-mentioned digital thermometer 6, ammeter 7, on and off switch K 1, temperature detect switch (TDS) K 2, emergency button K 3, alarm switch K 4, fan switch K 5, power supply indicator LED 1, three temperature control display lamp LED 2, LED 3, LED 4, two alarm lamp LED 5, LED 6Be installed on the housing 1.Other element in the control circuit is installed on the circuit board 4, and circuit board 4 is fixed in the electric apparatus room 9 of housing 1.
Operation principle
When all switches all are in off-state, connect 22V power supply (pickup ground wire), power supply indicator LED 1(red) is bright, the power turn-on K switch 1Digital thermometer is started working after getting 1.5V voltage, indicates aqueous medium temperature in the current casing.K closes a switch 5, blower fan work.Temperature detect switch (TDS) K closes 2, display lamp LED 2(Huang) is bright, and when this moment, case medium temperature was lower than the temperature of setting, operational amplifier DE the 2nd foot voltage was higher than the 3rd foot voltage, and the 6th foot output low level, so time base circuit IC1 the 3rd foot is then exported high level.Make LED on the one hand 3(red) is luminous, has on the one hand also triggered bidirectional triode thyristor BCR, makes electrically heated rod 5 energising heating, when heated water temperature during a little more than the temperature set, and critesistor R T1Be linearity and reduce, and operational amplifier DF 1The 2nd foot voltage is lower than the 3rd foot voltage, and its 6th foot output high level makes IC1 the 3rd foot output low level, at this moment LED 3Extinguish, bidirectional triode thyristor BCR ends, ammeter is not indicated, a plurality of electrical bars 5 stop heating, when medium temperature is a little less than design temperature after a period of time, the output signal of the basic IC circuit 1 of electricity triggers bidirectional triode thyristor BCR conducting, and electrical bar 5 begins heating, makes in the case aqueous medium temperature stabilization within limits.In the course of the work, once automatic temperature controller breaks down, can use emergency button K 3, become and to be controlled to be manual control automatically, end to end-of-job.Alarm switch K closes 4, automatic alarm circuit work, LED 5(Huang) is bright, once temperature control is malfunctioning, the temperature of water constantly raises, and the critesistor R of warning circuit T2When surpassing 3 ℃ that set value, time base circuit IC2 the 3rd foot output high level, display lamp LED at this moment 6Bright, the speaker Y sound reminds the relevant personnel to note.

Claims (2)

1, blood or fluid warmer comprise housing (1), fixed mount (2) and circuit part; Circuit part comprises heater circuit, temperature control circuit and power supply circuits, electrical equipment digital thermometer (6), ammeter (7), on and off switch K 1, temperature detect switch (TDS) K 2, emergency button K 3, alarm switch K 4, fan switch K 5, power supply indicator LED 1, three temperature control display lamp LED 2, LED 3, LED 4, two alarm lamp LED 5, LED 6Be installed on housing (1) front console, other electrical equipment is installed on the circuit board (4), it is characterized in that housing (1) Nei Li establishes a dividing plate (8), dividing plate (8) will be separated into electric panel room (9) and heating clamber (10) in the housing (1), the bottom of heating clamber (10) is provided with a plurality of electrical bars (5), middle and lower part in the heating clamber (10) is horizontally disposed with a separation net (12), heating clamber is equipped with aqueous medium in (10), the outer wall of heating clamber (10) is provided with blood transfusion tube and enters hole (13) and portal (14), be equiped with circuit board (4) and blower fan (3) in the electric panel room (9), the outer wall of electric panel room (9) is provided with a plurality of air-vents (22), housing (1) is arranged on the fixed mount (2), and fixed mount (2) is fixed on the drip stand (20);
2, blood according to claim 1, fluid warmer, it is characterized in that described fixed mount (2) comprises pallet (15), riser (16), positioning seat and iron hoop (21), iron hoop (21) is fixed on the rear end end face of housing (1), the upper end of riser (16) can be inserted in the iron hoop (21), its lower end is fixed on the pallet (15), positioning seat is by two box bodys that can fasten (17), (18) constitute, be respectively equipped with a semi-circular recesses (19) on the corresponding position, upper and lower end face of two box bodys (17) and (18), two box bodys (17), (18) a side connects by folding, opposite side can be fastened togather, box body (17) is fixed on the riser (16), wear a jackscrew (23) on the front end face of box body (18), positioning seat can be fixed on the drip stand (23) by screwing jackscrew (23).
CN 01241213 2001-04-17 2001-04-17 Blood and liquid warming-up device Expired - Fee Related CN2482428Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 01241213 CN2482428Y (en) 2001-04-17 2001-04-17 Blood and liquid warming-up device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 01241213 CN2482428Y (en) 2001-04-17 2001-04-17 Blood and liquid warming-up device

Publications (1)

Publication Number Publication Date
CN2482428Y true CN2482428Y (en) 2002-03-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 01241213 Expired - Fee Related CN2482428Y (en) 2001-04-17 2001-04-17 Blood and liquid warming-up device

Country Status (1)

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CN (1) CN2482428Y (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106924843A (en) * 2017-03-15 2017-07-07 吉林大学 A kind of novel children transfusion set
CN109662713A (en) * 2019-01-14 2019-04-23 张晶 A kind of audio alert equipment based on LoRa remote communication reply patient respiration exception

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106924843A (en) * 2017-03-15 2017-07-07 吉林大学 A kind of novel children transfusion set
CN109662713A (en) * 2019-01-14 2019-04-23 张晶 A kind of audio alert equipment based on LoRa remote communication reply patient respiration exception
CN109662713B (en) * 2019-01-14 2024-02-20 张晶 Voice alarm device for coping with patient breathing abnormality based on LoRa remote communication

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C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee