CN2221418Y - Medical intelligent infusion air pump - Google Patents
Medical intelligent infusion air pump Download PDFInfo
- Publication number
- CN2221418Y CN2221418Y CN 95216520 CN95216520U CN2221418Y CN 2221418 Y CN2221418 Y CN 2221418Y CN 95216520 CN95216520 CN 95216520 CN 95216520 U CN95216520 U CN 95216520U CN 2221418 Y CN2221418 Y CN 2221418Y
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- air pump
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Abstract
The utility model discloses an intelligent infusion air pump, which uses the microelectronic technique to control and monitor the infusion process, and comprises a detecting part, a computer part and a driving execution, wherein, the detecting part comprises (1) a liquid drop detector, (2) a liquid lever detector and (3) a liquorrhea detector, and in the mechanism of the driving execution, the devices that an electromagnet, a micro air pump, a three-way valve, etc. are all arranged in an aluminum cast iron case with dividing the driving execution into an upper and a lower layers. The upper layer is of a light current part with a computer circuit, etc., and the lower layer is of strong current part with a machine, a drive, an electric source, etc. All the components adopt paster type minisize encapsulating components, and a connector connected with the detecting device adopts a high quality minitype aviation connector.
Description
This utility model relates to imports the intravital apparatus of people with medium, specifically be a kind of utilize pico computer and sensing technology to infusion process carry out comprehensive and lasting control and monitoring the intelligent infusion air pump.
In the clinical care, venous transfusion is the important means that treatment gives emergency treatment to a patient, and transfusion speed depends on patient's the basic state of an illness and the needs of treatment fully, so transfusion speed is the major issue that concerns patient's final and decisive juncture.In recent years, the medical science technology is developing rapidly.But, infuse this tradition and what progress is ancient method do not have basically.Its ultimate principle remains utilizes pressure differential to carry out.The control of transfusion speed realizes usually in two ways clinically: the one, utilize the bore of the pressure control tube for transfusion of clip; The 2nd, by the height of adjusting drip stand and infusion bottle to change pressure differential.When said method does not prove effective, just feel at a loss what to do.As want pick up speed, and only take some to render a service very low way, as removing to push infusion rubber tubing with hands, or with transfusion device imbitition vasopressing injection.Occurred infusion pump in the last few years abroad, ultimate principle also is to be similar to hands to push leather hose, only replaces finger with a motor.This import pump costs an arm and a leg, and about more than 5000 dollars one, a provincial large hospital also can only be bought one or two, and middle and small hospital is not then dared to inquire.Domestic also have Counterfeit Item, but matter price difference height is difficult to promote the use of.
The purpose of this utility model provides a kind of rational in infrastructure, and is easy to operate, function admirable, and control is accurate, and cheap medicinal intelligent transfusion air pump.
This utility model adopts the infrared emission receiving unit, and (MTR-C) signal is accurately detected, (this assembly is applied for a patent to Patent Office of the People's Republic of China by the inventor, and number of patent application is: 95106185.2).
Below in conjunction with an accompanying drawing and an embodiment shown in the drawings, content of the present utility model is described in detail, but content of the present utility model is not limited to shown in the accompanying drawing.
Fig. 1 is the sketch map of this utility model panel;
Fig. 2 is this utility model machinery operating part sketch map;
Fig. 3 is clipping drop detector operation principle sketch map;
Fig. 4 is clipping drop detector structural representation;
Fig. 5 is a snap ring-type liquid level detector sketch map;
The pick off sketch map is surveyed in the omission of Fig. 6 liquid;
Fig. 7 is that circuit of the present utility model connects block diagram;
Fig. 8 is the interface sketch map between drive circuit and the relay;
Fig. 9 is this utility model drive circuit schematic diagram.
Rechargeable battery set (1), rectification, voltage stabilizing, charging circuit board (2), voltage transformer (3), three-way valve (4), adjusting screw(rod) (5), piston jacket (6), piston (7), piston rod (8), scale (9), movable banking stop (10), armature (11), fixedly banking stop (12), driving spring (13), iron core (14), electric magnet (15), relay (16), infrared receiving tube (17), infrared transmitting tube (18), Maufee type dropper (19), medicinal liquid face (20), locating ring card (21), metal locating rod (22), spring (23), spring latch lock (24), snap ring (25), infusion bottle (26), pressure transducer (27), venipuncture needle (28), vein blood vessel (29), micro-air pump (30), drop level detection joint (31), joint (32), air pump joint (33) are surveyed in the liquid omission.
This utility model by 1, the test section, 2, computer part, 3, driving three parts of operating part forms, test section wherein comprises 1. drop detector, 2. liquid level detector, 3. liquid leaks detector, drop detection is with a transmission-type infrared light transducer[sensor (17,18), be installed on the Maufee type dropper (19) at tube for transfusion middle part, level detection is to adopt reflection infrared sensor that the residue liquid measure in the infusion bottle is detected, and liquid omission survey is adopted resistance strain gage whether liquid is spilt blood vessel and detected outward; Wherein computer part is by chip microprocessor, keyboard, sound light alarming circuit, liquid crystal display and drive circuit, amplifying circuit and voltage/frequency translation circuit that the liquid omission is surveyed; Driving operating part wherein is by relay, drive circuit, electric magnet (15), trace air pump (30), driving spring (13), armature (11), position-arresting disk (10,12), three-way valve (4), adjusting screw(rod) (5) is formed, and two check valves (A, B) are installed on the three-way valve, and fixedly banking stop (12) and movable banking stop (10) are housed on the adjusting screw(rod), trace air pump (30) is by piston jacket (6), and piston (7) and piston rod (8) are formed.
In the embodiment shown in the figures, level detection, drop detection and liquid omission sensing are surveyed and are all adopted general superminiature infrared emission receiving unit, radiating portion is the astatic multivibrator that adopts NE555 to constitute, produce the modulating pulse of about 30 KHz, make infrared transmitting tube D1 emission infrared signal.Adopt the infrared integrated circuit CX20106 that accepts, this circuit has preposition amplification, and frequency-selecting is amplified, pulse shaper, when photosensitive tube D receives the modulated infrared optical signal of same frequency, just export a negative pulse, these assemblies all can be sent the standard computer interface signal.Single-chip microcomputer adopts 80C31, and software is worked out with MCS-51 machine language, and keyboard is a thin film switch soft-touch type button, with becoming one of panel structure.Sound light alarming circuit adopts toy, mobile telephone analog voice circuit, and it has 8 kinds of different simulated sound to use, and circuit is simple and convenient, and effect is better.Digital display portion is 7211 with 4 liquid crystal displays, drive circuit module.Drive in the actuator, electric magnet, the trace air pump, devices such as three-way valve all are contained in the aluminium cast iron shell for avoiding interference, divide two-layer up and down, the upper strata is weak current parts such as computer circuits, and lower floor is strong power parts such as machinery, driving and power supply, all components and parts all adopt the paster packaging that declines, and adopt high-quality small-sized aviation plug seat with the adapter of checkout gear.
Operation principle of the present utility model and operational approach are as follows:
Air inlet pipe on the infusion bottle is connected with the air pump joint of infusion pump, and during air pump work, liquid in the bottle is because action of gravity makes to form negative pressure in the bottle, and liquid can not flow out from tube for transfusion.Behind the venipuncture needle intravasation, open infusion pump, pump carries out work by the speed of 5 milliliters of per minutes.Rule of thumb, at present used disposable transfusion device is approximately 16-20 for 1 milliliter, and each stroke of micro-air pump injects 0.1 milliliter of air, 1 milliliter of ten injection of work, 50 times 5 milliliters.Because effusive liquid is the air capacity that equals to inject.Therefore, as long as air capacity and speed that control is injected just can be controlled transfusion speed easily, the transfusion speed of per minute can be imported easily by keyboard, and unit is a milliliter.
The drop detection device calculates the per minute amount of infusion by to droplet counting, is not inconsistent as speed and requirement, can under computer control, adjust the operating frequency of air pump, thereby adjust transfusion speed, whenever detect a drop of liquid, just provide sound and light signal, press ventil, optical signal is then only arranged.
Level detection is a safety guard, establishes the safety line of one minimum level, as detects this line, then provides alarm signal, and two effects are arranged, the one, and prompting changing liquid; The 2nd, computer slows down automatically and drips speed and be 2 milliliters of per minutes, and after finding that liquid level is reported to the police, dripless signal simultaneously illustrates that then liquid all is totally lost, and air pump quits work, and provides emergency alarm.To prevent the gas intravasation.As on the liquid level alarming line, the dripless signal illustrates that liquid stops up, and provides alarm signal, and air pump quits work immediately.
Pick off is surveyed in the liquid omission, constitute by the pressure-strain sheet, infusion needle lunge blood vessel and fixing after, at needle point proximal part skin surface, use the immobilization with adhesive tape foil gauge, computer is adjusted pressure signal at this moment.Spill as liquid level in infusion process, local skin is with swelling, and the compressing foil gauge is out of shape, and output voltage obviously increases, and after the voltage/frequency conversion, increase frequency provides alarm signal, and air pump quits work simultaneously.
Air pump of the present utility model is worked under impulse level control, computer transfusion speed according to the rules, and output pulse signal, pulse drives relay through after the power amplification, and relay makes electric magnet by the work of pulse frequency.When electric current passes through electric magnet, produce magnetic force, inhale the armature at moving micro-piston rod for air pump top, drive piston and make aspiratory action, check valve A valve cuts out, and the B valve is opened, in the air admission pump, driving spring is compressed simultaneously, when no current when the electric magnet, magnetic disappears, piston rod is subjected to driving spring etc. to rise effect, promote piston, the A valve is opened, and the B valve cuts out, and air is pushed out air pump, enter in the infusion bottle, the air tolerance of discharging of at every turn working is regulated by adjusting screw(rod), and scope is generally transferred at 0.1 or 0.2 milliliter at 0.1-0.3 milliliter, movable banking stop is again to regulate pointer, is printed on scale on the lateral lucite wall.
In the embodiment shown in the figures, level detection, drop detection and liquid omission sensing are surveyed and are all adopted general superminiature infrared emission receiving unit, radiating portion is the astatic multivibrator that adopts NE555 to constitute, produce the modulating pulse of about 30 KHz, make infrared transmitting tube D1 emission infrared signal.Adopt the infrared integrated circuit CX20106 that accepts, this circuit has preposition amplification, and frequency-selecting is amplified, pulse shaper, when photosensitive tube D receives the modulated infrared optical signal of same frequency, just export a negative pulse, these assemblies all can be sent the standard computer interface signal.Single-chip microcomputer adopts 80C31, and software is with the establishment of MCS-51 machine language, and keyboard is a thin film switch soft-touch type button, and with becoming one of panel structure, this utility model can be by wireless mode and host computer communication, and works under host computer is controlled.
Compared with prior art, the utlity model has following outstanding advantage:
1, the utility model can be to infusing owing to using micro-computer technology and sensing technology The intelligent monitoring of Cheng Jinhang comprehensive and lasting and control have solved for a long time in clinical care, People thirst for solving always, but fail all the time the technical barrier of succeeing;
2, replace mechanical extruding type with the air pressure adjusting type infusion pump, motive power of air pump is by electromagnet And the spring generation, rather than traditional motor produces; The trace air pump is with pulse high-frequency mode worker Do, accurately; Level detection, drop detection, liquid omission are surveyed and are used the sensor special assembly. This A little design features improve the utility model security reliability greatly, and antijamming capability is strong, behaviour Do easy to use;
3, this utility model is skillfully constructed, and novel structure adopts microelectronic element, and whole device volume is little, in light weight, function is strong, cheap, and price only is one of percentage of import same device, therefore has good market prospect and huge economic benefit.
Claims (3)
1, a kind of medicinal intelligent transfusion air pump, it is characterized in that by the test section, the computer part, driving three parts of execution forms, test section wherein comprise 1. drop detector 2. liquid level detector 3. liquid leak detector, drop detection is with a transmission-type infrared light transducer[sensor (17,18), be installed on the Maufee type dropper (19) at tube for transfusion middle part, level detection is to adopt reflection infrared sensor that the residue liquid measure in the infusion bottle is detected, and liquid omission survey is adopted resistance strain gage whether liquid is spilt blood vessel and detected outward; Wherein computer part is by chip microprocessor, keyboard, sound light alarming circuit, liquid crystal display and drive circuit, amplifying circuit and voltage/frequency translation circuit that the liquid omission is surveyed; Driving operating part wherein is by relay, drive circuit, electric magnet (15), trace air pump (30), driving spring (13), armature (11), position-arresting disk (10,12), three-way valve (4), adjusting screw(rod) (5) is formed, and two check valves (A, B) are installed on the three-way valve, and fixedly banking stop (12) and movable banking stop (10) are housed on the adjusting screw(rod), trace air pump (30) is by piston jacket (6), and piston (7) and piston rod (8) are formed.
2, a kind of intelligent transfusion air pump according to claim 1, it is characterized in that level detection, drop detection and liquid omission sensing are surveyed and are all adopted general superminiature infrared emission receiving unit, radiating portion is the astatic multivibrator that adopts NE555 to constitute, the infrared integrated circuit of accepting is CX 20106, this circuit has preposition amplification, frequency-selecting is amplified, pulse shaper, and single-chip microcomputer adopts 80C31, software is worked out with MCS-51 machine language, keyboard is a thin film switch soft-touch type button, and with becoming one of panel structure, sound light alarming circuit adopts toy, mobile telephone analog voice circuit, digital display portion is 7211 with 4 liquid crystal displays, drive circuit module.
3, a kind of intelligent transfusion air pump according to claim 1 and 2, it is characterized in that driving in the actuator, electric magnet, micro-air pump, devices such as three-way valve all are contained in the aluminium cast iron shell, divide two-layer up and down, the upper strata is weak current parts such as computer circuits, and lower floor is strong power parts such as machinery, driving and power supply, all components and parts all adopt the paster packaging that declines, and adopt high-quality small-sized aviation plug seat with the adapter of checkout gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95216520 CN2221418Y (en) | 1995-07-05 | 1995-07-05 | Medical intelligent infusion air pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95216520 CN2221418Y (en) | 1995-07-05 | 1995-07-05 | Medical intelligent infusion air pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2221418Y true CN2221418Y (en) | 1996-03-06 |
Family
ID=33865590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95216520 Expired - Fee Related CN2221418Y (en) | 1995-07-05 | 1995-07-05 | Medical intelligent infusion air pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2221418Y (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100352519C (en) * | 2003-08-29 | 2007-12-05 | 广东省疾病预防控制中心 | Trace transfusion pump |
| CN100450559C (en) * | 2005-01-14 | 2009-01-14 | 杨章民 | Transfusion injection device |
| CN102641532A (en) * | 2012-04-27 | 2012-08-22 | 陈建国 | Auxiliary intelligent infusion control system |
| CN101806980B (en) * | 2006-10-27 | 2013-06-12 | 塔工程有限公司 | Liquid crystal dispensing apparatus |
| CN103463705A (en) * | 2013-09-24 | 2013-12-25 | 巢雨 | Infusion automatic monitoring device capable of finding abnormity |
| WO2014048036A1 (en) * | 2012-09-27 | 2014-04-03 | 深圳市万聚源科技有限公司 | Intelligent infusion pump |
| CN104224537A (en) * | 2013-06-14 | 2014-12-24 | 成都工业学院 | Dispensing method used for injection powder bottle and dispensing device |
| CN104696217A (en) * | 2014-08-29 | 2015-06-10 | 北京实验工厂 | Vortex dry type vacuum pump and manufacturing method thereof as well as vacuum system |
| CN105030329A (en) * | 2015-08-20 | 2015-11-11 | 李存利 | High-frequency tumor ablation system for gynecology department |
| CN107158515A (en) * | 2017-04-25 | 2017-09-15 | 杨文平 | A kind of nursing in operating room venous transfusion leakage-resistant device and its application method |
| CN107206190A (en) * | 2014-12-02 | 2017-09-26 | 新加坡科技研究局 | Sensor patch and the sensing device further with the sensor patch |
| CN107715237A (en) * | 2017-10-23 | 2018-02-23 | 陈丽曼 | Infusion monitoring warning system |
| CN108926751A (en) * | 2018-04-19 | 2018-12-04 | 无锡市人民医院 | A kind of insulin pump special needle for preventing syringe needle from falling off |
| CN109331291A (en) * | 2018-09-20 | 2019-02-15 | 青岛市第三人民医院 | A kind of Postoperative Analgesia After is pumped with anesthesia injection |
| CN110215568A (en) * | 2019-07-11 | 2019-09-10 | 漳州市翰沅医疗器械有限公司 | A kind of automatically controlled slow row's device of remaining needle and its application method |
-
1995
- 1995-07-05 CN CN 95216520 patent/CN2221418Y/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100352519C (en) * | 2003-08-29 | 2007-12-05 | 广东省疾病预防控制中心 | Trace transfusion pump |
| CN100450559C (en) * | 2005-01-14 | 2009-01-14 | 杨章民 | Transfusion injection device |
| CN101806980B (en) * | 2006-10-27 | 2013-06-12 | 塔工程有限公司 | Liquid crystal dispensing apparatus |
| CN102641532A (en) * | 2012-04-27 | 2012-08-22 | 陈建国 | Auxiliary intelligent infusion control system |
| WO2014048036A1 (en) * | 2012-09-27 | 2014-04-03 | 深圳市万聚源科技有限公司 | Intelligent infusion pump |
| US9700667B2 (en) | 2012-09-27 | 2017-07-11 | Shenzhen Wanjuyuan Technology Co., Ltd. | Intelligent infusion pump |
| CN104224537A (en) * | 2013-06-14 | 2014-12-24 | 成都工业学院 | Dispensing method used for injection powder bottle and dispensing device |
| CN104224537B (en) * | 2013-06-14 | 2017-10-31 | 成都工业学院 | Powder pin bottle dosage |
| CN103463705A (en) * | 2013-09-24 | 2013-12-25 | 巢雨 | Infusion automatic monitoring device capable of finding abnormity |
| CN104696217A (en) * | 2014-08-29 | 2015-06-10 | 北京实验工厂 | Vortex dry type vacuum pump and manufacturing method thereof as well as vacuum system |
| CN104696217B (en) * | 2014-08-29 | 2017-09-01 | 北京实验工厂 | Vortex dry vacuum pump and its manufacture method, vacuum system |
| CN107206190A (en) * | 2014-12-02 | 2017-09-26 | 新加坡科技研究局 | Sensor patch and the sensing device further with the sensor patch |
| US10512431B2 (en) | 2014-12-02 | 2019-12-24 | Agency For Science, Technology Ano Research | Sensor patch and sensing device having the same |
| CN105030329A (en) * | 2015-08-20 | 2015-11-11 | 李存利 | High-frequency tumor ablation system for gynecology department |
| CN107158515A (en) * | 2017-04-25 | 2017-09-15 | 杨文平 | A kind of nursing in operating room venous transfusion leakage-resistant device and its application method |
| CN107715237A (en) * | 2017-10-23 | 2018-02-23 | 陈丽曼 | Infusion monitoring warning system |
| CN108926751A (en) * | 2018-04-19 | 2018-12-04 | 无锡市人民医院 | A kind of insulin pump special needle for preventing syringe needle from falling off |
| CN109331291A (en) * | 2018-09-20 | 2019-02-15 | 青岛市第三人民医院 | A kind of Postoperative Analgesia After is pumped with anesthesia injection |
| CN110215568A (en) * | 2019-07-11 | 2019-09-10 | 漳州市翰沅医疗器械有限公司 | A kind of automatically controlled slow row's device of remaining needle and its application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 |