CN104689420A - Dependable ward transfusion dripping-speed monitor - Google Patents
Dependable ward transfusion dripping-speed monitor Download PDFInfo
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- CN104689420A CN104689420A CN201510110524.0A CN201510110524A CN104689420A CN 104689420 A CN104689420 A CN 104689420A CN 201510110524 A CN201510110524 A CN 201510110524A CN 104689420 A CN104689420 A CN 104689420A
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- power supply
- kettle
- circuit
- dripping
- transfusion
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16886—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body for measuring fluid flow rate, i.e. flowmeters
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- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Fluid Mechanics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a dependable ward transfusion dripping-speed monitor. The dependable ward transfusion dripping-speed monitor comprises a shell and a circuit part; the shell is provided with a dripping cup cavity; the upper end of the dripping cup cavity is provided with a limiting plate; two sides of the dripping cup cavity are provided with two routes of detecting devices consisting of a helium-neon laser and a phototriode; the collector electrode of the phototriode is connected to the reverse input end of an operational amplifier by a resistor R5, and the reverse input end of the operational amplifier is connected with a power supply by a potentiometer R6; the base electrode and the collector electrode of a triode Q1 are respectively connected with the transmitting electrode and the collector electrode of the phototriode; and the output end of the operational amplifier is connected with the input end of a first single chip. The transfusion dripping-speed monitor is capable of, through installing two routes of detecting devices, effectively and accurately measuring the transfusion dripping-speed, ensuring the accuracy of the measuring data. The monitor has novel, scientific and rational detection principle, reliable and accurate detection result, strong dependability, and obvious beneficial effect, and is promoted and applied conveniently.
Description
Technical field
The present invention relates to a kind of credible type ward transfusion drip speed monitor, in particular, particularly relate to and a kind ofly realize the effectively fixing of monitor and ensure the credible type ward transfusion drip speed monitor of testing result reliability by arranging two-way checkout gear.
Background technology
In clinical medicine, although venous transfusion is widely used, the transfusion instrument generally used at present remains traditional luxuriant Fei Shi transfusion device, and based on manual monitoring.To need infusion bottle (bag) to be suspended on during transfusion on drip stand or higher than the site of puncture of patient, potential difference is utilized to input in patient body by medicinal liquid, nurse relies on the drop in perusal Murphy type tube and estimates transfusion drip speed, and the pulley rule of thumb on manual adjustments transfusion device controls transfusion speed.In infusion process, nurse needs ceaselessly to patrol and examine, and observes residue amount of liquid medicine by patient or entourage, when medicinal liquid is about to be totally lost or drip speed appearance exception, notifies that nurse on duty comes to process in time.Which not only adds the labor intensity of medical personnel, cause error rate greatly to rise, and be unfavorable for the rest of patient, have impact on therapeutic quality.If medicinal liquid occurs to be totally lost or the situation such as tube for transfusion blocking and nurse fail process in time, then likely can there is blood back or other are dangerous, cause suffering to patient, even cause malpractice.
For the patient of Different Individual situation, different transfusion objects and flow of infusate, required transfusion speed is different.Generally, the transfusion speed of adult is everlasting 40 ~ 60 droplets/minute, and the transfusion speed of child is 20 ~ 40 droplets/minute; Needs are limited to body fluid or maintain blood pressure person transfusion speed is 20 droplets/minute, and the transfusion speed as cardiopulmonary, renal insufficiency patient is no more than 30 droplets/minute; And massive hemorrhage serious dehydration patient will input rapidly medicine, transfusion speed controls at about 90 droplets/minute.In infusion process, if transfusion speed is too fast, the drug dose entered in the unit interval in human body is excessive, circulation volume can be made to increase suddenly, and cardiac load increases the weight of, and may cause a lot of side effect or untoward reaction, such as acute heart failure and pulmonary edema, even can be in peril of one's life.Infusing then may cause dose to extend transfusion time not or unnecessarily slowly, affects therapeutic effect, increases unnecessary burden to patient and nursery work.For the venous transfusion of some specific drugs, as anesthetics, depressor, oxytocin etc., need strictly to control transfusion speed, manual adjustment is difficult to reach required required precision.Therefore, be very necessary to the accurate detection and control of transfusion speed in infusion process.
In recent years, many Chinese scholars and medical institutions are devoted to the research of medical intelligent infusion monitoring system, and have developed polytype transfusion monitoring device.But these infusion sets are existing defects or potential safety hazard more or less, and because volume is large, cost is high, precision is low, the not high reason of frequent false alarm, intelligence degree, adds the burden of hospital and patient, be not widely used.At present at our local hospital, also Wei Youyijia hospital adopts transfusion monitoring system on the market to realize safe and reliable transfusion.Through investigation and analysis, not have universal reason to be dare not the reliability of certainty annuity, and if worry in use components and parts occur that abnormal conditions are undiscovered, and produce maloperation, may cause malpractice, medical events is without minor matter after all, and life-and-death matter.So based on this present situation, propose a kind of two pass and detect and the reliability transfusion drip speed liquid surface detector of display, and when system malfunctions, can and alarm.
Summary of the invention
The present invention, in order to overcome the shortcoming of above-mentioned technical problem, provides a kind of credible type ward transfusion drip speed monitor.
Credible type ward of the present invention transfusion drip speed monitor, comprise housing and the circuit part being positioned at housing, circuit part comprises the first single-chip microcomputer and coupled control button, danger warning circuit and the first LCD MODULE; It is characterized in that: described housing is provided with a kettle chamber of matching with a kettle of infusion set, the upper end of dripping kettle chamber is provided with the limiting plate spacing to the kettle put into wherein; The both sides in described kettle chamber are provided with two-way from top to bottom and detect in a kettle checkout gear under whether having medicine to drip, each checkout gear is by the helium neon laser be oppositely arranged and phototriode composition, and checkout gear is connected with the first single-chip microcomputer through dropping speed testing circuit;
The input of helium neon laser provides electric energy by voltage stabilizing chip, and dropping speed testing circuit can be made up of by potentiometer R6 operational amplifier, audion Q1; The colelctor electrode of phototriode is connected to the reverse input end of operational amplifier through resistance R5, the reverse input end of operational amplifier is connected through potentiometer R6 and power supply, and the emitter stage of phototriode is connected through resistance R1 and power supply; The base stage of audion Q1, colelctor electrode are connected with the emitter stage of phototriode, colelctor electrode respectively, and emitter stage is connected to power supply on the ground through resistance R2; The positive input of operational amplifier is connected with the emitter stage of audion Q1, and the outfan of operational amplifier is connected with the input of the first single-chip microcomputer.
Credible type ward of the present invention transfusion drip speed monitor, comprise for by dripping, kettle is spacing is dripping the position-limit mechanism in kettle chamber, position-limit mechanism comprises the guide rail and holddown groove that are separately fixed at and drip both sides, kettle chamber, be provided with the limiting plate that can slide along its length in described guide rail, can be entrapped in holddown groove by mobile limiting plate.
Credible type ward of the present invention transfusion drip speed monitor, comprise the main station system that each monitor is monitored, main station system is made up of second singlechip and coupled operation push-button and the second LCD MODULE, and second singlechip and the first single-chip microcomputer pass through I
2c bus communicates.
Credible type ward of the present invention transfusion drip speed monitor, described kettle chamber is positioned at the central authorities of housing, and the both sides of dripping kettle chamber are respectively circuit chamber and battery cavities, and circuit intracavity is provided with control circuit board, is provided with accumulator in battery cavities; Harm warning circuit comprises audion Q2, light emitting diode D1 and speaker, the emitter stage of audion Q2 is just connected with power supply, the colelctor electrode of audion Q2 is connected through light emitting diode D1 and resistance R9 and power supply, and the both ends of power of speaker is connected to the colelctor electrode of audion Q2 and power supply on the ground respectively; Light emitting diode and speaker are arranged on housing, and the housing that battery cavities is corresponding is provided with charging inlet.
Credible type ward of the present invention transfusion drip speed monitor, comprise the cut-offing alarming circuit be made up of relay K A, diode D3, transformator T and speaker, an input of transformator is just being connected to power supply through the normally closed point of electric capacity C4, resistance R10, relay K A, diode D3 and bulb EL successively, and the other end is connected with power supply ground; The coil of relay K A be connected to power supply just with power supply on the ground.
The invention has the beneficial effects as follows: ward of the present invention transfusion drip speed monitor, dripping kettle chamber by arranging on housing, by being embedded in a kettle chamber by the kettle that drips on infusion set, achieving whole monitor fixing on infusion set.By arranging the checkout gear of two route helium neon lasers and phototriode composition from top to bottom in the both sides of dripping kettle chamber, the stop to helium neon laser institute isolychn is dripped according to the medicine dripped in kettle, the measurement to transfusion drip speed can be realized efficiently and accurately, ensure that the accuracy of measurement data, even if lost efficacy by a road checkout gear, also ensured the accuracy of measurement result by another road checkout gear.By arranging the amplifying circuit be made up of audion Q1 and operational amplifier in phototriode side, the measurement to phototriode output signal effectively can be realized by the first single-chip microcomputer.Ward of the present invention transfusion drip speed monitor, Cleaning Principle novelty, science, rationally, testing result is reliable, accurately, credible strong, beneficial effect is remarkable, easy to utilize.
Simultaneously, by arranging the position-limit mechanism be made up of guide rail, holddown groove and limiting plate, be embedded in after in a kettle chamber when dripping kettle, snapped in in holddown groove by promoting limiting plate, can realize dripping the spacing fixing of kettle, effectively can avoiding dripping kettle from dripping kettle chamber, having carried out fixing whole transfusion drip speed monitor.By arranging the main station system be made up of second singlechip, can monitor multiple slave station simultaneously.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of transfusion drip speed monitor of the present invention;
Fig. 2 is the sectional view of transfusion drip speed monitor of the present invention;
Fig. 3 is the circuit theory diagrams of transfusion drip speed monitor of the present invention;
Fig. 4 is the laying schematic diagram of two-way checkout gear of the present invention;
Fig. 5 is the circuit diagram of drop velocity checking circuits in the present invention;
Fig. 6 is the circuit diagram of danger warning circuit in the present invention;
Fig. 7 is the circuit diagram controlling button in the present invention;
Fig. 8 is the circuit diagram of cut-offing alarming circuit in the present invention.
In figure: 1 housing, 2 circuit chambeies, 3 battery cavities, 4 kettle chambeies, 5 limiting plates, 6 control circuit boards, 7 accumulator, 8 kettles, 9 guide rails, 10 limiting plates, 11 holddown grooves, 12 buttons, 13 first helium neon lasers, 14 first phototriodes, 15 second helium neon lasers, 16 second phototriodes, 17 light emitting diode D1, 18 speakers, 19 charging inlets, 20 first single-chip microcomputers, 21 danger warning circuit, 22 dropping speed testing circuits, 23 first LCD MODULE, 24 infusion sets, 25 control button, 26 second singlechips, 27 second LCD MODULE, 28 operation push-buttons.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the invention will be further described.
As shown in Figure 1, Figure 2 and Figure 3, sets forth the structure principle chart of transfusion drip speed monitor of the present invention, sectional view and circuit theory diagrams, it circuit part comprising housing 1 and be arranged in housing 1, the central authorities of shown housing 1 offer drips a kettle chamber 4, the upper end of dripping kettle chamber 4 is provided with carries out spacing limiting plate 5 to dripping kettle, during use, the kettle 8 that drips on infusion set is embedded in a kettle chamber, by limiting plate 5 to the position-limiting action dripping kettle upper surface, whole transfusion drip speed monitor can be fixed on and drip on kettle.
The both sides of dripping kettle chamber 4 are disposed with the checkout gear of two route helium neon lasers and phototriode composition from top to bottom, the checkout gear of top is made up of the first helium neon laser be oppositely arranged and the first phototriode, and the checkout gear of below is made up of the second helium neon laser be oppositely arranged and the second photosensitive three laser.As shown in Figure 4, two-way checkout gear drips detection principle to a kettle Chinese medicine is given.The Cleaning Principle of each road checkout gear is: the time difference of being dripped by adjacent two medicines detected, calculates transfusion drip speed, ensure that accuracy and the reliability of measurement result.Even if there is a road checkout gear to break down, also by the work of another road checkout gear, ensure the accuracy of transfusion drip speed side face.
Set up an office drip unit for drip (d), checkout gear detects that the time that the first dropping liquid drips is T1, detects that the time that the second dropping liquid drips is T2, then the computing formula of dropping speed (unit is d/min) is:
Because this computational methods are the time differences fallen between detection two dropping liquid drips, be the starting point using first drips as timing, within the time of 1 minute, grand total drop is N+1, so the result finally calculated will deduct one.
In order to avoid dripping kettle 8 from dripping kettle chamber 4, the surface of shown housing 1 is also provided with the position-limit mechanism be made up of guide rail 9, limiting plate 10 and holddown groove 11, limiting plate 10 is arranged on also can be movable along its length in guide rail 10, by movable limiting plate 10, the top of limiting plate 10 being entrapped in holddown groove 11, can being securely fixed in dripping kettle 8 in a kettle chamber 4.The both sides of dripping kettle chamber 4 are respectively circuit chamber 2 and battery cavities 3, be provided with control circuit 6, store accumulator 7 in battery cavities 3 in circuit chamber 2, the body wall of battery cavities 3 are provided with the charging inlet 19 charged to accumulator 7.
As shown in Figure 3, circuit part is made up of the first single-chip microcomputer 20, dropping speed testing circuit 22, danger warning circuit 21, control button 25, first LCD MODULE 23, second singlechip 26, second LCD MODULE 27 and operation push-button 28, the checkout gear be made up of helium neon laser and phototriode is connected with the first single-chip microcomputer 20 through dropping speed testing circuit 22, to realize the measurement to phototriode output signal.First single-chip microcomputer 20 constitutes slave station system, and the first single-chip microcomputer 20 shows through the first LCD MODULE 23 transfusion drip speed recorded at present, and the first LCD MODULE 23 is arranged on the outer wall of housing 1.Controlling button 25 is arranged on housing 1, is made up of button 12, can to input control signal in the first single-chip microcomputer 20 by controlling button 25.
Danger warning circuit 21 is connected with the outfan of the first single-chip microcomputer 20, and danger warning circuit 21 is by light emitting diode D1(17) and speaker 18 form, light emitting diode D1 and speaker 18 are all arranged on the body wall of the housing 1 corresponding to circuit chamber 2.Second singlechip 26 constitutes main station system, passes through I between second singlechip 26 and the first single-chip microcomputer 20
2c bus carries out communication, and main station system can be monitored 128 slave station systems at most simultaneously.Second singlechip 26 is connected with operation push-button 28 and the second LCD MODULE 27.
As shown in Figure 5, give the circuit diagram of dropping speed testing circuit 22, in order to ensure the accuracy that the first single-chip microcomputer 20 pairs of phototriode output signals detect, the second amplifying circuit be made up of audion Q1 and operational amplifier is provided with between phototriode and the first single-chip microcomputer 20, the colelctor electrode of phototriode is connected to the reverse input end of operational amplifier through resistance R5, the colelctor electrode of phototriode is connected with positive source simultaneously, the reverse input end of operational amplifier is connected through potentiometer R6 and power supply, the emitter stage of phototriode is connected through resistance R1 and power supply, the base stage of audion Q1, colelctor electrode are connected with the emitter stage of phototriode, colelctor electrode respectively, and emitter stage is connected to power supply on the ground through resistance R2, the positive input of operational amplifier is connected with the emitter stage of audion Q1, and the outfan of operational amplifier is connected with the input of the first single-chip microcomputer 20.
As shown in Figure 6, give the circuit diagram of danger warning circuit in the present invention, harm warning circuit 21 comprises audion Q2, light emitting diode D1(17) and speaker 18, the emitter stage of audion Q2 is just connected with power supply, the colelctor electrode of audion Q2 is connected through light emitting diode D1 and resistance R9 and power supply, and the both ends of power of speaker is connected to the colelctor electrode of audion Q2 and power supply on the ground respectively; Light emitting diode and speaker are arranged on housing, and the housing that battery cavities is corresponding is provided with charging inlet 19.In the process used, if under within the time period of setting, two-way checkout gear does not all detect medicine drippage, then show that now medicine has dripped off or fault has appearred in infusion set, then send sound and light alarm signal by light emitting diode D1 and speaker 18, to remind patient or medical personnel.
As shown in Figure 7, give in the present invention the circuit diagram controlling button, it is 4 × 4 matrix press-key, the first single-chip microcomputer 20 by scanning successively the row, column of matrix press-key, i.e. the button that is pressed of identifiable design.As shown in Figure 8, give the circuit diagram of cut-offing alarming circuit in the present invention, it is made up of relay K A, diode D3, transformator T and speaker, an input of transformator is just being connected to power supply through the normally closed point of electric capacity C4, resistance R10, relay K A, diode D3 and bulb EL successively, and the other end is connected with power supply ground; The coil of relay K A be connected to power supply just with power supply on the ground.But power supply opening and no-voltage input time, namely bulb EL and speaker send sound and light alarm.
Claims (5)
1. a credible type ward transfusion drip speed monitor, comprise housing (1) and be positioned at the circuit part of housing, circuit part comprises the first single-chip microcomputer (20) and coupled control button (25), danger warning circuit (21) and the first LCD MODULE (23); It is characterized in that: described housing is provided with a kettle chamber (4) of matching with a kettle (8) of infusion set, the upper end of dripping kettle chamber is provided with the limiting plate (5) spacing to the kettle put into wherein; The both sides in described kettle chamber are provided with two-way from top to bottom and detect in a kettle checkout gear under whether having medicine to drip, each checkout gear is by the helium neon laser be oppositely arranged and phototriode composition, and checkout gear is connected with the first single-chip microcomputer through dropping speed testing circuit (22);
The input of helium neon laser provides electric energy by voltage stabilizing chip, and dropping speed testing circuit (22) can be made up of by potentiometer R6 operational amplifier, audion Q1; The colelctor electrode of phototriode is connected to the reverse input end of operational amplifier through resistance R5, the reverse input end of operational amplifier is connected through potentiometer R6 and power supply, and the emitter stage of phototriode is connected through resistance R1 and power supply; The base stage of audion Q1, colelctor electrode are connected with the emitter stage of phototriode, colelctor electrode respectively, and emitter stage is connected to power supply on the ground through resistance R2; The positive input of operational amplifier is connected with the emitter stage of audion Q1, and the outfan of operational amplifier is connected with the input of the first single-chip microcomputer.
2. credible type ward according to claim 1 transfusion drip speed monitor, it is characterized in that: comprise for the spacing position-limit mechanism in a kettle chamber (4) of kettle (8) will be dripped, position-limit mechanism comprises the guide rail (9) and holddown groove (11) that are separately fixed at and drip both sides, kettle chamber, be provided with the limiting plate (10) that can slide along its length in described guide rail, can be entrapped in holddown groove by mobile limiting plate.
3. credible type ward according to claim 1 and 2 transfusion drip speed monitor, it is characterized in that: comprise the main station system that each monitor is monitored, main station system is made up of second singlechip (26) and coupled operation push-button (28) and the second LCD MODULE (27), and second singlechip and the first single-chip microcomputer pass through I
2c bus communicates.
4. credible type ward according to claim 1 and 2 transfusion drip speed monitor, it is characterized in that: described kettle chamber (4) is positioned at the central authorities of housing (1), the both sides of dripping kettle chamber are respectively circuit chamber (2) and battery cavities (3), circuit intracavity is provided with control circuit board (6), is provided with accumulator in battery cavities; Harm warning circuit (21) comprises audion Q2, light emitting diode D1(17) and speaker (18), the emitter stage of audion Q2 is just connected with power supply, the colelctor electrode of audion Q2 is connected through light emitting diode D1 and resistance R9 and power supply, and the both ends of power of speaker is connected to the colelctor electrode of audion Q2 and power supply on the ground respectively; Light emitting diode and speaker are arranged on housing, the housing that battery cavities is corresponding are provided with charging inlet (19).
5. credible type ward according to claim 1 and 2 transfusion drip speed monitor, it is characterized in that: comprise the cut-offing alarming circuit be made up of relay K A, diode D3, transformator T and speaker, an input of transformator is just being connected to power supply through the normally closed point of electric capacity C4, resistance R10, relay K A, diode D3 and bulb EL successively, and the other end is connected with power supply ground; The coil of relay K A be connected to power supply just with power supply on the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510110524.0A CN104689420A (en) | 2015-03-13 | 2015-03-13 | Dependable ward transfusion dripping-speed monitor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510110524.0A CN104689420A (en) | 2015-03-13 | 2015-03-13 | Dependable ward transfusion dripping-speed monitor |
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| CN104689420A true CN104689420A (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510110524.0A Pending CN104689420A (en) | 2015-03-13 | 2015-03-13 | Dependable ward transfusion dripping-speed monitor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110170088A (en) * | 2019-06-27 | 2019-08-27 | 济南爱我本克网络科技有限公司 | A kind of multifunctional intellectual infusion alarm |
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| CN201735004U (en) * | 2010-01-29 | 2011-02-09 | 徐嘉星 | Drop alarm device capable of detecting drop speed in real time and detecting drop for completion |
| CN204484951U (en) * | 2015-03-13 | 2015-07-22 | 罗娟 | Medical have the checkout gear that two-way drips speed measurement |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4623331A (en) * | 1983-12-09 | 1986-11-18 | Siemens Aktiengesellschaft | Apparatus for the registration of drops in an infusion device |
| CN2407366Y (en) * | 2000-01-10 | 2000-11-22 | 宜昌市公安局西陵区分局 | Multifunctional power transformer and line power-off alarm |
| CN2698364Y (en) * | 2004-04-29 | 2005-05-11 | 彭顺银 | Hanging type automatic alarm device capable of displaying infusion dripping speed |
| KR20050018843A (en) * | 2005-01-19 | 2005-02-28 | 강상욱 | Device for Monitoring and Automatically Controlling Flow Rate of Ringer`s Solution for Intravenous Infusion |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110170088A (en) * | 2019-06-27 | 2019-08-27 | 济南爱我本克网络科技有限公司 | A kind of multifunctional intellectual infusion alarm |
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Application publication date: 20150610 |