CN201701577U - Intelligent transfusion alarming system - Google Patents

Intelligent transfusion alarming system Download PDF

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Publication number
CN201701577U
CN201701577U CN2010202406680U CN201020240668U CN201701577U CN 201701577 U CN201701577 U CN 201701577U CN 2010202406680 U CN2010202406680 U CN 2010202406680U CN 201020240668 U CN201020240668 U CN 201020240668U CN 201701577 U CN201701577 U CN 201701577U
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China
Prior art keywords
signal
module
computer
detection module
kettle
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Expired - Fee Related
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CN2010202406680U
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Chinese (zh)
Inventor
于会山
高全喜
马玲军
王孟孟
武磊
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Liaocheng University
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Liaocheng University
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Abstract

The utility model discloses an intelligent transfusion alarming system, which comprises a signal detection module, a signal processing module, a main control processing module, a system power supply module and a computer real-time monitoring module. The intelligent transfusion alarming system adopts a photoelectric sensor at a position of a drip bulb to monitor fluid dripping speed and adopts a spring portion to detect fluid surplus at real time, utilizes a displaying device to display, and realizes man-machine interaction with the computer by means of serial port communication. Signals processed in the transfusion alarming system are obvious for observation, and medicine fluid is not polluted in the system, thereby really achieving convenience and efficiency.

Description

A kind of intelligent transfusion warning system
Technical field
This utility model relates to each small-middle hospital drop and drips the speed detection; The field especially can be carried out Realtime Alerts and be realized remote computation machine testing intelligent transfusion warning system.
Background technology
Raising along with present medical level, the development of medical treatment device also very rapidly, but still have some basic medical devices to fail to be developed fully, in the related medical field of the present invention, often have some inconvenience during patient infusion, be forced to suddenly stop as transfusion, and for example drop drips off situations such as not having discovery in time and often takes place, and the doctor is owing to look after the transfusion situation that a plurality of patients may not can observe patients timely, and this has just brought many inconvenience and trouble for patient infusion.The state of an illness to patient has a negative impact.
At this problem, each department of each hospital has also all carried out the adjustment of system, the transfusion warning system also has in each large, medium and small hospital use at present, present known transfusion warning system detects drop by the infusion bottle Gravity changer and drips severally, and by the drippage of drop, liquid bottle gravity changes, thereby carry out drop by small gravitational difference and drip the number detection, can measure the drop drippage number in a minute, but stability is not enough, error is too big.The drop that also has at present the part invention can accurately detect transfusion drips speed, do not dripped up to drop and just to have taked to pull out pin or change dressings processing, can not reach the prior notice nurse carries out and pulls out pin or change dressings preparation, the ward is many, leave that the nurse pulls out pin or time of changing dressings is few for, increased the nurse and handled the difficulty of pulling out pin or changing dressings, nurse of more impossible realization keeps an eye on a plurality of wards.
Continuous progress along with medical level, the infusion set of be badly in need of the detection technique sensitivity, reporting the transfusion situation in advance uses at various big hospital, for ease of the doctor patient's transfusion situation is observed timely, real-time detection scope also should be arranged, be convenient to the doctor patient is carried out illness analysis accurately, can improve doctors' work efficiency, also provide better service for patients easily.
Summary of the invention
Insensitive in order to overcome existing infusion alarm, can not report the shortcoming of residual liquid quantity in advance, also in order to carry out the observation of microsystem, this utility model is by this transfusion warning system, drip speed by the photoelectric sensor tracer liquid, survey the weight of bottle by the reference rounds spring arrangement, and by single-chip microcomputer detect in real time drip in speed and the infusion bottle last liquid what, and will drip in real time how much last liquid is transferred to the calculation machine in speed and the infusion bottle, can detect quickly and accurately drop drip in speed and the infusion bottle last liquid what, and real-time and compunication, as it is very few or drip that liquid does not drip suddenly in the kettle to run in the infusion bottle residual liquid quantity, in time notify the nurse to make the best use of time to handle, save the trouble of accompanying and attending to, saved the manpower of hospital greatly.
The technical scheme that this utility model adopted is: a kind of intelligent transfusion warning system comprises as lower module:
(1) signal detection module: drip fast signal by being located at the photoelectric sensor collection of dripping on the kettle, gather the surplus liquid signal of infusion bottle by standard force-measuring meter spring with attached to the photoelectric sensor on the standard force-measuring meter spring;
(2) signal processing module: the signal that collects has been carried out the signal filtering processing, amplified and the signal limiter processing, finally exported desired signal and send in single-chip microcomputer identification processing by the amplifier chip;
(3) master control processing module: mainly be that signal after by single-chip microcomputer signal processing module being handled is analyzed, adopt the buzzer real-time monitoring alarming, adopt display device to show that in real time drop drips speed, adopt heater that the dropping liquid of need heating is added thermal control, adopt preferential interruption to have or not emergency call request and in time indicate in each ward of monitoring in real time by computer end;
(4) system's power supply module: adopt low power work mode, to obtain required power supply by the voltage stabilizing chip be the whole system power supply in blood pressure lowering after the civil power power taking;
(5) computer real-time monitoring module: each ward is a slave, adopts RS485 communication protocol in real time to main frame transmission data, can monitor the transfusion situation in each ward by the computer end upper computer software when computer detects.
Aforesaid intelligent transfusion warning system, preferred scheme are that described signal detection module is also monitored the dropping liquid temperature in real time by being fixed on the temperature detecting unit that drips Hu Chu.
Aforesaid intelligent transfusion warning system, preferred scheme is that described signal detection module also is provided with patient's emergency call button.
Aforesaid intelligent transfusion warning system, preferred scheme are that the transmitter unit that is fixed in the photoelectric sensor on the standard force-measuring meter spring in the described signal detection module is established 3-5.
Aforesaid intelligent transfusion warning system, preferred scheme are, are located at the transmitter unit and the receiving element that drip the photoelectric sensor on the kettle in the described signal detection module and are symmetrically distributed in the both sides of dripping kettle, place and drip 1/3 place of kettle according to the upper end.
Aforesaid intelligent transfusion warning system, preferred scheme are, the opening of kettle in the described signal detection module.
This utility model drips speed by the photoelectric sensor that drips Hu Chu to drop and detects in real time by the surplus of spring section to liquid.When drop drips, carry out drop drippage situation by small voltage difference and judge, and, make the drop situation of change obtain accurately record by interfering signal is carried out suitable processing, make drop change the signal of telecommunication that is produced simultaneously and handled fast.Show by display device at last, and reach man-machine interaction by serial communication and computer.In addition, this utility model also dripping kettle place heating unit, reduces because of the cold discomfort of bringing to transfusion patient in sky.It can carry out drop fast accurately and drip remaining liq detection in speed detection and the infusion bottle, and can show clearly that drop drips speed, and has increased human-computer interaction function.It is obvious to handle the back signal in the present invention infuses warning system, and observation is obvious, and pollution-free to medicinal liquid in this device again, real having accomplished is convenient and swift.
Description of drawings
Fig. 1 is each module contact schematic block diagram of this utility model transfusion warning system.
Fig. 2 is this utility model transfusion warning system signal detection module circuit diagram.
Fig. 3 is the signal processing module circuit diagram of this utility model transfusion warning system.
Fig. 4 is system's power supply module circuit diagram of this utility model transfusion warning system.
Fig. 5 is this utility model transfusion warning master control processing module circuit diagram.
Fig. 6 constitutes sketch map for the signal detection module of this utility model transfusion warning system.
Fig. 7 is Fig. 6 A place internal structure sketch map.
Fig. 8 is the enlarged drawing at Fig. 6 B place.
Wherein, 1, button; 2, standard force-measuring meter spring; 3, infusion bottle; 4, drip kettle; 5, drip stand; 6, the light of expression optoelectronic induction pick off; 7, the transmitter unit of photoelectric sensor; 8, the receiving element of photoelectric sensor; 9,10 device wall; C, be the junction (herein for fixed point) of spring and device wall.
The specific embodiment
Describe formation of the present utility model in detail below in conjunction with embodiment, but protection domain is not limited.
Embodiment intelligent transfusion warning system is made of following module:
(1) signal detection module: drip fast signal by being located at the photoelectric sensor collection of dripping on the kettle, gather the surplus liquid signal of infusion bottle by standard force-measuring meter spring with attached to the photoelectric sensor on the standard force-measuring meter spring;
(2) signal processing module: the signal that collects has been carried out the signal filtering processing, amplified and the signal limiter processing, finally exported desired signal and send in single-chip microcomputer identification processing by the amplifier chip;
(3) master control processing module: mainly be that signal after by single-chip microcomputer signal processing module being handled is analyzed, adopt the buzzer real-time monitoring alarming, adopt display device to show that in real time drop drips speed, adopt heater that the dropping liquid of need heating is added thermal control, adopt preferential interruption to have or not emergency call request and in time indicate in each ward of monitoring in real time by computer end;
(4) system's power supply module: adopt low power work mode, to obtain required power supply by the voltage stabilizing chip be the whole system power supply in blood pressure lowering after the civil power power taking;
(5) computer real-time monitoring module: each ward is a slave, adopts RS485 communication protocol in real time to main frame transmission data, can monitor the transfusion situation in each ward by the computer end upper computer software when computer detects.
Described signal detection module is also monitored the dropping liquid temperature in real time by being fixed on the temperature detecting unit that drips Hu Chu.Described signal detection module also is provided with patient's emergency call button.The transmitter unit that is fixed in the photoelectric sensor on the standard force-measuring meter spring in the described signal detection module is established 3-5.Be located at the transmitter unit and the receiving element that drip the photoelectric sensor on the kettle in the described signal detection module and be symmetrically distributed in the both sides of dripping kettle, place and drip 1/3 place of kettle according to the upper end.Opening of kettle in the described signal detection module.
Fig. 1 is each module contact schematic block diagram of this utility model transfusion warning system.Wherein, signal detection module detection drop drips liquid remaining-amount detecting in fast signal, the infusion bottle, transfusion temperature detection.Wherein, signal processing module is necessarily handled the detected signal of signal detection module, obtains the digitized signal that single-chip microcomputer is easy to discern.Wherein, the master control processing module is calculated by single-chip microcomputer and is dripped speed, cycle detection residual liquid quantity and transfusion temperature, show in real time, if occur to drip that drop stops suddenly in the kettle, the very few horse back of residual liquid quantity thinks that room, nurse place sends an SOS in the infusion bottle, meanwhile also can report to the police in the transfusion room, prompting patient liquid is totally lost soon or is not dripped, if the doctor does not come to handle for a long time, press the SOS button at once, in addition, this module also can be sent the Temperature Treatment signal, the temperature of energy full automatic treatment transfusion liquid.System's power supply module can provide required power supply for each device.The computer real-time monitoring module, this module is made by the vb interface, and the doctor can observe from the vb interface whether concrete transfusion drip speed, the liquid in the infusion bottle are totally lost soon, the temperature of transfusion liquid.In addition, stop suddenly at drop, Realtime Alerts can be carried out in few, the vb interface when patient has SOS in the computer of residual liquid quantity in the infusion bottle, wherein reporting to the police comprises chromatic flicker and audible alarm.
Fig. 2 is this utility model transfusion warning system signal detection module circuit diagram.Embody in Fig. 6, Fig. 7, Fig. 8 the fixed position of laying of photoelectric sensor, and by 5v DC power supply among Fig. 4, wherein light emitting diode and phototriode are signal detection sensor.After transmitting tube sends optical signal, corresponding phototriode can receive in real time, when if there is obstruction the centre, it is very faint to accept the optical signal that light-receiving arrives, and this moment, the corresponding end of receiving tube can be exported high level, if middle when without hindrance, level signal is then opposite, be the common signal of forming of AC signal and direct current signal in the checker of level signal, need carry out DC filtering and handle, pass through Fig. 3 signal processing again.
Fig. 3 is the signal processing module circuit diagram of this utility model transfusion warning system.Wherein three chips all are OP07, the small-signal that Fig. 2 obtains is not enough to drive the collecting unit of main control module, so this module has been carried out the processing again of signal, when signal passes through first integrated operatinoal amplifier OP07, signal is exaggerated, obtained stronger height variable signal, when second integrated operatinoal amplifier carries out work, by signal being compared the narrow pulse signal of the 0-5V that obtains a certain scope, next step shaping of having done signal is handled, through third level signal processing, obtain being easy to the PWM ripple of single-chip microcomputer identification.
Fig. 4 is system's power supply module circuit diagram of this utility model transfusion warning system.Wherein D1, D2 are silicon bridge, and AC signal is converted into direct current signal, and wherein the electric capacity purpose is filtering or cooperates the voltage stabilizing chip to use, and makes voltage stabilizing chip operation state more.Wherein LM7805, lm7809, lm7915, lm7905 are the three-terminal voltage-stabilizing chip.Because the signal processing requirement degree of accuracy is higher, so system power supply requires accurate, in order to improve security of system, adopt low power work mode, therefore this signal has been done step-down rectifier and has handled and obtain direct current signal, then by voltage stabilizing chip LM7805, lm7809, lm7915, lm7905 obtain+15v ,-15v ,+5v ,-power supply of 5v is the whole system power supply.
Fig. 5 is this utility model transfusion warning master control processing module circuit diagram.Wherein main control chip is stc89c52, there is main control chip stc89C52 that whole system is controlled, reported to the police as we can see from the figure, give computer and monitor signal by inter-process to signal, accomplished that drop drips the accurate demonstration of speed, and report to the police by the buzzer circuit among the figure, when patient infusion, if it is too fast or slow excessively to drip number, stop especially suddenly be, the doctor can observe also by main control computer can pass through buzzer warning, makes the effective state of an illness as early as possible and handles.Wherein also have patient's SOS button, use when flash request being arranged in order to patient.Pin place at the p1 of single-chip microcomputer mouth has also connect code switch, to distinguish each transfusion room.Wherein lamp is the drop display lamp, and when drop whenever drips one, lantern festival is dodged.In addition, use rs485 and computer to communicate.
Fig. 6 constitutes sketch map for the signal detection module of this utility model transfusion warning system.The infusion bottle that medical treatment is used generally is divided into three kinds: 100ml, 250ml, 500ml.Wherein button is directly fixed on the device wall of fixing spring as shown in the figure, and device A is directly fixed on the drip stand top or is fixed on the head of a bed in ward.Button is pressed respective keys after hanging up properly infusion bottle by the doctor among the figure, main control part can judge according to the result that the button pressed and spring section detect in the infusion bottle remaining liq what.
Fig. 7 is Fig. 6 A place internal structure sketch map.Wherein standard force-measuring meter spring can bear repeatedly flexible and stiffness factor does not change.The unit of accepting of photoelectric sensor is fixed in the device wall, and particular location is adjusted during by concrete enforcement.The photoelectric sensor transmitter unit is fixed on the standard force-measuring meter spring, 3-5 at least so that when liquid reduces in infusion bottle, can accurately measure the liquid residue what, the adjustment during of the particular location of photoelectric sensor transmitter unit by concrete enforcements.The specific implementation function is given an example: when pressing first button, illustrate and hang the 500ml infusion bottle, when liquid constantly reduces, first photoelectric sensor transmitter unit of top just in time shines photoelectricity when accepting the unit, illustrates that an interior liquid uses up 1/5, residue 4/5, master control this moment processing module can remember how many remaining liqs also transmits this information to computer in real time in the infusion bottle, in liquid residue not for a long time, remind the doctor will change liquid in advance or pull out pin, stay to the doctor and handle the time of changing liquid or pulling out pin.Inferior detection method is simple and easy to do, has saved and has detected the loaded down with trivial details and difficult of infusion bottle weight.
Fig. 8 is the enlarged drawing at Fig. 6 B place.Wherein, device wall is fixed on the drip stand, and there are temperature detecting unit and heating unit in inside, and this temperature detecting unit and heating unit are realized the full self-regulation of temperature by the control of master control processing module.Use for preventing that electromagnetism from heating in hospital's restriction, the light heating causes untoward reaction to liquid, and heating unit adopts resistance heated herein, to prevent the cold of infusing winter.Wherein, the transmitter unit of photoelectric sensor and receiving element must be symmetrically distributed in the both sides of dripping kettle, place to drip about 2/3 of kettle.When drop dripped, because drop has blocked the light that transmitting tube sends, this moment, receiving tube can not receive optical signal, produced the signal of telecommunication, was processed into digital signal by signal processing module and handled, calculates and and compunlcation for the master control processing module.In addition, this installs an opening, is convenient to patient oneself and observes.

Claims (6)

1. an intelligent transfusion warning system is characterized in that, comprises as lower module:
(1) signal detection module: drip fast signal by being located at the photoelectric sensor collection of dripping on the kettle, gather the surplus liquid signal of infusion bottle by standard force-measuring meter spring with attached to the photoelectric sensor on the standard force-measuring meter spring;
(2) signal processing module: the signal that collects has been carried out the signal filtering processing, amplified and the signal limiter processing, finally exported desired signal and send in single-chip microcomputer identification processing by the amplifier chip;
(3) master control processing module: mainly be that signal after by single-chip microcomputer signal processing module being handled is analyzed, adopt the buzzer real-time monitoring alarming, adopt display device to show that in real time drop drips speed, adopt heater that the dropping liquid of need heating is added thermal control, adopt preferential interruption to have or not emergency call request and in time indicate in each ward of monitoring in real time by computer end;
(4) system's power supply module: adopt low power work mode, to obtain required power supply by the voltage stabilizing chip be the whole system power supply in blood pressure lowering after the civil power power taking;
(5) computer real-time monitoring module: each ward is a slave, adopts RS485 communication protocol in real time to main frame transmission data, can monitor the transfusion situation in each ward by the computer end upper computer software when computer detects.
2. the described intelligent transfusion warning system of claim 1 is characterized in that, described signal detection module is also monitored the dropping liquid temperature in real time by being fixed on the temperature detecting unit that drips Hu Chu.
3. the described intelligent transfusion warning system of claim 1 is characterized in that, described signal detection module also is provided with patient's emergency call button.
4. the described intelligent transfusion warning system of claim 1 is characterized in that, the transmitter unit that is fixed in the photoelectric sensor on the standard force-measuring meter spring in the described signal detection module is established 3-5.
5. the described intelligent transfusion warning system of claim 1 is characterized in that, is located at the transmitter unit and the receiving element that drip the photoelectric sensor on the kettle in the described signal detection module and is symmetrically distributed in the both sides of dripping kettle, places and drips 1/3 place of kettle according to the upper end.
6. the described intelligent transfusion warning system of claim 1 is characterized in that, the opening of kettle in the described signal detection module.
CN2010202406680U 2010-06-29 2010-06-29 Intelligent transfusion alarming system Expired - Fee Related CN201701577U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9717862B2 (en) 2011-10-13 2017-08-01 Mequ Aps Infusion fluid warmer
CN111773482A (en) * 2020-08-26 2020-10-16 哈尔滨理工大学 Intelligent ward transfusion monitoring system and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9717862B2 (en) 2011-10-13 2017-08-01 Mequ Aps Infusion fluid warmer
CN111773482A (en) * 2020-08-26 2020-10-16 哈尔滨理工大学 Intelligent ward transfusion monitoring system and method

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Granted publication date: 20110112

Termination date: 20110629