CN202478327U - Medical infusion heater - Google Patents
Medical infusion heater Download PDFInfo
- Publication number
- CN202478327U CN202478327U CN201220070347XU CN201220070347U CN202478327U CN 202478327 U CN202478327 U CN 202478327U CN 201220070347X U CN201220070347X U CN 201220070347XU CN 201220070347 U CN201220070347 U CN 201220070347U CN 202478327 U CN202478327 U CN 202478327U
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- CN
- China
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- chip microcomputer
- feet
- bridge rectifier
- output end
- cathode output
- Prior art date
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- External Artificial Organs (AREA)
Abstract
The utility model provides a medical infusion heater. The medical infusion heater comprises a casing pipe and a control box which are mutually connected, a heating wire and a thermal resistor are arranged in the pipe wall of the casing pipe, the heating wire is mounted in the pipe wall of the casing pipe in a helical shape around a central through hole of the casing pipe, and a control circuit and a power supply circuit are arranged in the control box. The medical infusion heater has the advantages that an outside heating method is utilized, the temperature of infused liquid is increased, the temperature of a liquid subjected to an intravenous infusion corresponds to the human body temperature, and thereby the ice-cold sense or acupuncture pain of the patient during the infusion can be relieved.
Description
Technical field
This utility model belongs to technical field of medical instruments, is specifically related to a kind of medical infusion heater.
Background technology
Venous transfusion is one of modal administering mode in the present medical treatment, owing to all be lower than human body temperature by transfusion temperature majority, and existing common transfusion device has no the heating measure.Therefore, the people can feel ice-cold when being got into vein by transfusion, and long-time transfusion can let patient not feel well, and the acupuncture pain is arranged, and can cause hypothermia, patient's malaise symptoms such as shiver.
Summary of the invention
This utility model provides a kind of medical infusion heater, to overcome existing infusion set to had no the problem of heater by transfusion.
The technical scheme that this utility model adopted is that a kind of medical infusion heater comprises the sleeve pipe and the control box that are connected; Be provided with heating wire and critesistor in the telescopic tube wall; Heating wire round the central through hole of pipe box in the shape of a spiral shape be arranged in the tube wall of pipe box; Be provided with control circuit and power circuit in the control box.
Wherein, power circuit comprises transformator, bridge rectifier and second electric capacity parallelly connected with bridge rectifier, two termination 220V alternating voltages of the former limit of transformator winding, two inputs of two termination bridge rectifiers of transformator secondary winding.
Wherein, control circuit comprises single-chip microcomputer, bidirectional triode thyristor, first regulator potentiometer and second regulator potentiometer; The model of single-chip microcomputer is the NE555 integrated circuit; 2 feet of single-chip microcomputer connect the cathode output end of bridge rectifier successively through the critesistor and first regulator potentiometer, 2 feet of single-chip microcomputer connect the cathode output end of bridge rectifier through second regulator potentiometer; 4 feet of single-chip microcomputer and 8 feet connect the cathode output end of bridge rectifier, and 1 foot of single-chip microcomputer connects the cathode output end of bridge rectifier; 6 feet of single-chip microcomputer are connected with 7 feet, and 6 feet of single-chip microcomputer connect the cathode output end of bridge rectifier through the 3rd resistance, and 7 feet of single-chip microcomputer connect the cathode output end of bridge rectifier through first electric capacity; 3 feet of single-chip microcomputer connect bidirectional triode thyristor through the 4th resistance; 3 feet of single-chip microcomputer also connect the cathode output end of bridge rectifier successively through first light emitting diode and first resistance, 3 feet of single-chip microcomputer also connect the cathode output end of bridge rectifier successively through second resistance and second light emitting diode; Heating wire and bidirectional triode thyristor polyphone, this branch road is parallelly connected with bridge rectifier.
The beneficial effect of this utility model is that the employing outside heating method improves by the temperature of transfusion, the temperature of liquid and the human body temperature of vein input is adapted, thereby alleviate patient's when infusing ice-cold sense or acupuncture pain.
Description of drawings
Fig. 1 is that this utility model medical infusion heater is applied in the structural representation on the infusion set;
Fig. 2 is that heating wire and critesistor are arranged on the structural representation in the sleeve pipe;
Fig. 3 is the circuit theory diagrams of this utility model medical infusion heater.
Among the figure, 1. sleeve pipe, 2. control box, 3. temperature control switch, 4. drop tube, 5. transfusion bag.
The specific embodiment
As shown in Figure 1, this utility model provides a kind of medical infusion heater, comprises the sleeve pipe 1 and control box 2 that are connected; As shown in Figure 2, be provided with heating wire R in the tube wall of sleeve pipe 1
LWith critesistor R
tHeating wire R
LRound the central through hole of pipe box 1 in the shape of a spiral shape be arranged in the tube wall of pipe box 1; Be provided with control circuit and power circuit in the control box 2.
As shown in Figure 3, power circuit comprises transformator T, bridge rectifier and second capacitor C parallelly connected with bridge rectifier
2, the alternating voltage of two termination 220V of the former limit of transformator T winding, two inputs of two termination bridge rectifiers of transformator T secondary winding.Control circuit comprises single-chip microcomputer IC, bidirectional triode thyristor BCR, the first regulator potentiometer RP
1With the second regulator potentiometer RP
2The model of single-chip microcomputer IC is the NE555 integrated circuit; 2 feet of single-chip microcomputer IC are successively through critesistor R
tWith the first regulator potentiometer RP
1Connect the cathode output end of bridge rectifier, 2 feet of single-chip microcomputer IC are through the second regulator potentiometer RP
2Connect the cathode output end of bridge rectifier; 4 feet of single-chip microcomputer IC and 8 feet connect the cathode output end of bridge rectifier, and 1 foot of single-chip microcomputer IC connects the cathode output end of bridge rectifier; 6 feet of single-chip microcomputer IC are connected with 7 feet, and 6 feet of single-chip microcomputer IC are through the 3rd resistance R
3Connect the cathode output end of bridge rectifier, 7 feet of single-chip microcomputer IC are through first capacitor C
1Connect the cathode output end of bridge rectifier; 3 feet of single-chip microcomputer IC are through the 4th resistance R
4Meet bidirectional triode thyristor BCR; 3 feet of single-chip microcomputer IC are also successively through first LED
1With first resistance R
1Connect the cathode output end of bridge rectifier, 3 feet of single-chip microcomputer IC are also successively through second resistance R
2With second LED
2Connect the cathode output end of bridge rectifier; Said heating wire R
LWith bidirectional triode thyristor BC polyphone, this branch road is parallelly connected with bridge rectifier.
As shown in Figure 1, during use, pipe box 1 directly is enclosed within on the drop tube 4, the medicinal liquid that is splashed into by transfusion bag 5 is arranged in the drop tube 4.
The operation principle of this utility model is, power supply is supplied power by AC220V, and AC220V voltage is through transformator T blood pressure lowering, again via the first diode VD
1, the second diode VD
2, the 3rd diode VD
3With the 4th diode VD
4The bridge rectifier of forming is rectified into direct current, again through second capacitor C
2Filtering after, the 220V alternating current is reduced to the 12V unidirectional current uses as the power supply of The whole control circuit.Critesistor R
tBe negative temperature coefficient thermistor, temperature raises, and resistance descends, and temperature descends, and resistance increases; Regulate the first regulator potentiometer RP through regulating temperature control switch 3
1With the second regulator potentiometer RP
2Resistance, set the default control temperature t, general default control temperature is arranged on 15 ℃～25 ℃; When the temperature of pipe box 1 is lower than t, critesistor R
tThe current potential that resistance increases to 2 feet that make single-chip microcomputer IC is lower than 1/3rd supply voltages, and 3 feet of single-chip microcomputer IC are output as high level, first LED
1Extinguish second LED
2Brighten, and bidirectional triode thyristor BCR conducting, heating wire R
LThe energising heating, heat is passed to the medicinal liquid in the drop tube 4 through pipe box 1 with temperature, realizes the heating of medicinal liquid, and the medicinal liquid after the heating is defeated by patient through tube for transfusion again.Simultaneously, first capacitor C
1Be recharged, voltage is started from scratch and is risen to 2/3rds of supply voltage, if the 2 foot current potentials of single-chip microcomputer IC have reached three of supply voltage/for the moment, and the single-chip microcomputer IC output low level that is reset, first LED
1Brighten second LED
2Extinguish, bidirectional triode thyristor BCR ends, heating wire R
LStop heating.Simultaneously, first capacitor C
17 foot repid discharges through single-chip microcomputer IC; The 2 foot current potentials of waiting for single-chip microcomputer IC drop to 1/3rd of supply voltage once more and restart heating when following; Make the 2 foot current potentials of single-chip microcomputer IC remain on 1/3rd supply voltages like this and fluctuate up and down, make the medicinal liquids in the drop tube 4 remain at the t temperature.Regulate the first regulator potentiometer RP through temperature control switch 3
1With the second regulator potentiometer RP
2Resistance just can change the control temperature.
Claims (3)
1. a medical infusion heater is characterized in that: comprise the sleeve pipe (1) and the control box (2) that are connected; Be provided with heating wire (R in the tube wall of sleeve pipe (1)
L) and critesistor (R
t); Said heating wire (R
L) round the central through hole of pipe box (1) in the shape of a spiral shape be arranged in the tube wall of pipe box (1); Said control box is provided with control circuit and power circuit in (2).
2. medical infusion heater according to claim 1 is characterized in that: said power circuit comprises transformator (T), bridge rectifier and the second electric capacity (C parallelly connected with bridge rectifier
2), two termination 220V alternating voltages of the former limit of transformator (T) winding, two inputs of two termination bridge rectifiers of transformator (T) secondary winding.
3. medical infusion heater according to claim 2 is characterized in that: said control circuit comprises single-chip microcomputer (IC), bidirectional triode thyristor (BCR), the first regulator potentiometer (RP
1) and the second regulator potentiometer (RP
2); The model of said single-chip microcomputer (IC) is the NE555 integrated circuit; 2 feet of single-chip microcomputer (IC) are successively through critesistor (R
t) and the first regulator potentiometer (RP
1) connecing the cathode output end of bridge rectifier, 2 feet of single-chip microcomputer (IC) are through the second regulator potentiometer (RP
2) connect the cathode output end of bridge rectifier; 4 feet of single-chip microcomputer (IC) and 8 feet connect the cathode output end of bridge rectifier, and 1 foot of single-chip microcomputer (IC) connects the cathode output end of bridge rectifier; 6 feet of single-chip microcomputer (IC) are connected with 7 feet, and 6 feet of single-chip microcomputer (IC) are through the 3rd resistance (R
3) connecing the cathode output end of bridge rectifier, 7 feet of single-chip microcomputer (IC) are through the first electric capacity (C
1) connect the cathode output end of bridge rectifier; 3 feet of single-chip microcomputer (IC) are through the 4th resistance (R
4) connect bidirectional triode thyristor (BCR); 3 feet of single-chip microcomputer (IC) are also successively through the first light emitting diode (LED
1) and the first resistance (R
1) connecing the cathode output end of bridge rectifier, 3 feet of single-chip microcomputer (IC) are also successively through the second resistance (R
2) and the second light emitting diode (LED
2) connect the cathode output end of bridge rectifier; Said heating wire (R
L) contact with bidirectional triode thyristor (BCR), this branch road is parallelly connected with bridge rectifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220070347XU CN202478327U (en) | 2012-02-29 | 2012-02-29 | Medical infusion heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220070347XU CN202478327U (en) | 2012-02-29 | 2012-02-29 | Medical infusion heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202478327U true CN202478327U (en) | 2012-10-10 |
Family
ID=46952793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220070347XU Expired - Fee Related CN202478327U (en) | 2012-02-29 | 2012-02-29 | Medical infusion heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202478327U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791985A (en) * | 2015-04-15 | 2015-07-22 | 中国人民解放军第150中心医院 | Iodinated oil heating device |
| CN106422004A (en) * | 2016-11-22 | 2017-02-22 | 郑州科技学院 | Infusion tube heating device with automatic temperature control function |
-
2012
- 2012-02-29 CN CN201220070347XU patent/CN202478327U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791985A (en) * | 2015-04-15 | 2015-07-22 | 中国人民解放军第150中心医院 | Iodinated oil heating device |
| CN104791985B (en) * | 2015-04-15 | 2017-10-10 | 中国人民解放军第150中心医院 | A kind of iodate oil heating unit |
| CN106422004A (en) * | 2016-11-22 | 2017-02-22 | 郑州科技学院 | Infusion tube heating device with automatic temperature control function |
| CN106422004B (en) * | 2016-11-22 | 2022-08-12 | 郑州科技学院 | Infusion tube heating device with automatic temperature control function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20130229 |