CN204106737U - Multifunction infusion alarm - Google Patents

Multifunction infusion alarm Download PDF

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Publication number
CN204106737U
CN204106737U CN201420609672.8U CN201420609672U CN204106737U CN 204106737 U CN204106737 U CN 204106737U CN 201420609672 U CN201420609672 U CN 201420609672U CN 204106737 U CN204106737 U CN 204106737U
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CN
China
Prior art keywords
transfusion
chip microcomputer
alarm
heater
buzzer
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420609672.8U
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Chinese (zh)
Inventor
刘伯颖
朱天曈
曹丽鹏
李玲玲
李洋
邢磊
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Hebei University of Technology
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Hebei University of Technology
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Publication date
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Priority to CN201420609672.8U priority Critical patent/CN204106737U/en
Application granted granted Critical
Publication of CN204106737U publication Critical patent/CN204106737U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

This utility model relates to a kind of Multifunction infusion alarm, its main feature is: the photogate comprising single-chip microcomputer and be connected, temperature sensor, gravity sensor, keyboard, buzzer, heater, LCD display is connected, described single-chip microcomputer, temperature sensor, buzzer is arranged on alarm casing internal, described LCD display, keyboard is arranged on the front panel of alarm casing, gravity sensor and heater and infusion bottle are installed together, this alarm casing is sleeved on tube for transfusion extra heavy pipe, this tube for transfusion extra heavy pipe is connected with infusion bottle by tube for transfusion tubule.This utility model is reasonable in design, add predict transfusion required time function, blood backflow warning function, for the instant heating function of medicinal liquid and remote alarming function, ensure that the safety and reliability of transfusion, alleviate the pressure of entourage, there is feature richness, the feature such as safe and reliable, with low cost.

Description

Multifunction infusion alarm
Technical field
This utility model belongs to technical field of medical equipment, especially a kind of Multifunction infusion alarm.
Background technology
In today of social high speed development, the rhythm of life of people is accelerated greatly; In hospital, the patient hanging bottle transfusion does not often have household or nurse's moment to accompany at one's side, and due to everybody carelessness, the consequence that may bring does not pull out in time after the medicinal liquid in patient's transfusion bottle is totally lost, the blood backflow phenomenon caused because of transfusion fault, causes unnecessary danger.In addition, because transfusion required time is longer, do not know when what emergency situations may appear in infusion-completed and infusion process, bring certain burden to patient and the people that stays in the ward to look after the patient night and day.
At present, existing infusion alarm is all detected transfusion dose by sensing equipment, and generates corresponding signal and process, thus reaches the object of the alarm that to be near completion in transfusion.The photogate that the sensing equipment that infusion alarm uses can be divided into photoelectric non-contact type sensor, weight sensor, detect dynamic water droplet of not stopping transport.Existing infusion alarm ubiquity detection method is single, error information detection is comparatively large, function is less, is difficult to meet actual needs.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of reasonable in design, safe and reliable and multiple functional Multifunction infusion alarm.
This utility model solves its technical problem and takes following technical scheme to realize:
A kind of Multifunction infusion alarm, comprise photogate, temperature sensor, gravity sensor, keyboard, single-chip microcomputer, buzzer, heater and LCD display, described single-chip microcomputer respectively with photogate, temperature sensor, gravity sensor, keyboard, buzzer, heater, LCD display is connected, single-chip microcomputer is to photogate, temperature sensor, gravity sensor, the data of input through keyboard carry out processing and controlling buzzer, heater, LCD display works, described single-chip microcomputer, temperature sensor, buzzer is arranged on alarm casing internal, described LCD display, keyboard is arranged on the front panel of alarm casing, gravity sensor and heater and infusion bottle are installed together, this alarm casing is sleeved on tube for transfusion extra heavy pipe, this tube for transfusion extra heavy pipe is connected with infusion bottle by tube for transfusion tubule.
And described single-chip microcomputer also connects a wireless transceiver, this wireless transceiver is arranged in alarm casing and also wirelessly sends warning message to nurse station.
And described wireless transceiver adopts NRF24L01 radio receiving transmitting module.
Advantage of the present utility model and good effect are:
1, gravity sensor, temperature sensor and photogate are combined by single-chip microcomputer by this infusion alarm, add and predict transfusion required time function, blood backflow warning function and for the instant heating function of medicinal liquid: detect medicinal liquid by photogate and drip, realize the function estimating transfusion time and alarm of having infused; By the weight of the medicinal liquid in gravity sensor Real-Time Monitoring medicine bottle, detect medicinal liquid in conjunction with photogate and drip, judge whether blood backflow phenomenon occurs; Detect fluid temperature by temperature sensor, control heater changes the temperature of medicinal liquid, ensure that the safety and reliability of transfusion, has feature richness, the feature such as safe and reliable, with low cost.
2, this infusion alarm wirelessly can also send warning to long-range nurse station, thus realizes remote alarming function, is conducive to medical personnel and processes in time, also mitigates the pressure of entourage.
Accompanying drawing explanation
Fig. 1 is circuit block diagram of the present utility model;
Fig. 2 is scheme of installation of the present utility model;
Fig. 3 is circuit diagram of the present utility model (part 1);
Fig. 4 is circuit diagram of the present utility model (part 2);
Fig. 5 is the wireless connections schematic diagram of this utility model and nurse station.
Wherein, 1: tube for transfusion extra heavy pipe, 2: alarm casing, 3 gravity sensors, 4: heater, 5: infusion bottle, 6: tube for transfusion tubule.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model embodiment is further described:
A kind of Multifunction infusion alarm, as shown in Figure 1, comprise photogate, temperature sensor, gravity sensor, keyboard, single-chip microcomputer, buzzer, wireless transceiver, heater and LCD display, described single-chip microcomputer respectively with photogate, temperature sensor, gravity sensor, keyboard, buzzer, wireless transceiver, heater, LCD display is connected, single-chip microcomputer is to photogate, temperature sensor, gravity sensor, the data of input through keyboard are carried out process and logical judgment and are driven buzzer, wireless transceiver, heater, LCD display works.Single-chip microcomputer adopts wireless mode and nurse station to carry out communication by wireless transceiver and realizes remote alarming function.
As shown in Figure 2, the single-chip microcomputer in this infusion alarm, wireless transmitter, temperature sensor, buzzer are arranged on alarm casing 2 inside.LCD display, keyboard are arranged on the front panel of alarm casing, this LCD display be used for information displaying (such as show remaining liq capacity, flow rate of liquid, transfusion required time etc.), this keyboard comprise for infusion fluid capacity numeral keys 0-9 and stopping buzzer warning stop key.Gravity sensor 3 is arranged on the bottom of infusion bottle 5 for measuring the weight of infusion bottle, heater 4 and infusion bottle are installed together for heating the medicinal liquid in infusion bottle, and gravity sensor is connected by the single-chip microcomputer of data wire with alarm casing internal with heater.Alarm casing is sleeved on tube for transfusion extra heavy pipe 1, and this tube for transfusion extra heavy pipe is connected with infusion bottle by tube for transfusion tubule 6.
The physical circuit of this infusion alarm is formed as shown in Figures 3 and 4, and single-chip microcomputer adopts AT89C51 single-chip microcomputer.A port ground connection of photogate, another port meets the P1.0 of single-chip microcomputer.A port ground connection of temperature sensor, another port meets the P1.1 of single-chip microcomputer.A port ground connection of gravity sensor, another port meets the P0.2 of single-chip microcomputer.Buzzer Single port ground connection, another port is through 8550PNP transistor collector, and the emitter stage of audion meets VCC, and the base stage of audion meets the P0.0 of single-chip microcomputer through 10K Ω resistance.Heater is one 10 Ω resistance, and a termination 5V power supply, the other end meets single-chip microcomputer P0.2.Keyboard comprises 11 keyboard buttons, be respectively as S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, their port one end meets P2.0, P2.1, P2.2, P2.3, P2.4, P2.5, P2.6, P2.7, P0.7, P0.6, P0.1 of single-chip microcomputer respectively, and the other end is all received on 5V power supply through 1K Ω resistance.What LCD display adopted is that LCD12864, RS and P1.2 are connected, and R/W and P1.3 is connected, E and P1.4 is connected, and DB0 and P1.5 is connected, and DB1 and P1.6 is connected, DB2 and P1.7 is connected, and DB3 and P3.0 is connected, and DB4 and P3.1 is connected, DB5 and P3.2 is connected, DB6 and P3.3 is connected, and DB7 and P3.4 is connected, and DB7 and P3.5 is connected, PSB and P3.6 is connected, and RST and P3.7 is connected.GND ground connection, VCC connects high level, and VO connects slide rheostat, and LEDA connects high level, LEDK ground connection.XTAL1, XTAL2 of single-chip microcomputer form the crystal oscillating circuit of single-chip microcomputer together with GND interface.Wireless transceiver adopts NRF24L01 radio receiving transmitting module, this module is the ISM band monolithic wireless transceiver chip of 2.4GHz ~ 2.5GHzz, and the D1 of wireless receiver connects the P10 of single-chip microcomputer, and D2 connects the P11 of single-chip microcomputer, D3 connects the P12 of single-chip microcomputer, and D4 connects the P13 of single-chip microcomputer.
This infusion alarm is arranged in ward, and the infusion alarm in each ward all adopts wireless mode and nurse station to carry out data transmission, realizes remote alarming function, as shown in Figure 5.
Operation principle of the present utility model is: the data of the data that data acquisition unit (photogate, temperature sensor, gravity sensor) gathers and input through keyboard send single-chip microcomputer to, single-chip microcomputer is to above-mentioned data analysis and transfusion required time is estimated in calculating, during infusion-completed and alarm (comprise local buzzer warning and long-range nurse station report to the police), in addition, single-chip microcomputer can also by the instant heating function of heater realization to medicinal liquid.Respectively the control principle of single-chip microcomputer is described below:
(1) transfusion required time is predicted: the cumulative volume V being inputted transfusion liquid before transfusion by nurse by keyboard to infusion alarm, photogate is positioned at tube for transfusion extra heavy pipe place, measure the number n that liquid unit time drips, after collecting data by inquiry, calculating mean value obtains the volume v of each drop of liquid.The required time t=V/nv of transfusion estimated by single-chip microcomputer; And by LCD display, acquired results is shown.
(2) blood backflow warning function: what photogate measured that the unit interval drips drips number n, calculates speed v under fluid drips by corresponding; Single-chip microcomputer carries out logical relation judgement: first, and weight measured by gravity sensor is not less than warning weight M1, and secondly, photogate can't detect medicinal liquid and drips in 5 seconds; Finally, if meet above two conditions simultaneously, infusion alarm carries buzzer and can give a warning, the backflow of prompting blood samples of patients.
(3) infusion-completed instant alarming function: what photogate measured that the unit interval drips drips number n, calculates speed v under fluid drips by corresponding; Single-chip microcomputer carries out logical relation judgement: first, weight measured by gravity sensor is less than warning weight M1, and secondly, the photogate tracer liquid speed of dripping is less than alarm velocity v1 and the volume of liquid is less than V1; If meet above-mentioned condition, infusion alarm sends the wireless signal of characteristic frequency to nurse's platform, nurse's platform receptor Received signal strength, and needs to change liquid according to the specific berth of different frequency voice message, and buzzer can give the alarm, prompting patient notes.
(4) the instant heating function of medicinal liquid: the temperature t1 being obtained transfusion liquid by temperature sensor; Single-chip microcomputer carries out logical relation judgement: t1 is less than transfusion liquid human body optimum temperature t2; If when condition meets, start infusion heating device, liquid is heated; When fluid temperature reaches t2, heating stops.
Above principle illustrates and is only used to carry out careful explanation to this infusion alarm, and the interpretation software of single-chip microcomputer inside is conventional software, is not summary of the invention of the present utility model.
It is emphasized that; embodiment described in the utility model is illustrative; instead of it is determinate; therefore this utility model comprises the embodiment be not limited to described in detailed description of the invention; every other embodiments drawn according to the technical solution of the utility model by those skilled in the art, belong to the scope of this utility model protection equally.

Claims (3)

1. a Multifunction infusion alarm, it is characterized in that: comprise photogate, temperature sensor, gravity sensor, keyboard, single-chip microcomputer, buzzer, heater and LCD display, described single-chip microcomputer respectively with photogate, temperature sensor, gravity sensor, keyboard, buzzer, heater, LCD display is connected, single-chip microcomputer is to photogate, temperature sensor, gravity sensor, the data of input through keyboard carry out processing and controlling buzzer, heater, LCD display works, described single-chip microcomputer, temperature sensor, buzzer is arranged on alarm casing internal, described LCD display, keyboard is arranged on the front panel of alarm casing, gravity sensor and heater and infusion bottle are installed together, this alarm casing is sleeved on tube for transfusion extra heavy pipe, this tube for transfusion extra heavy pipe is connected with infusion bottle by tube for transfusion tubule.
2. Multifunction infusion alarm according to claim 1, is characterized in that: described single-chip microcomputer also connects a wireless transceiver, and this wireless transceiver is arranged in alarm casing and also wirelessly sends warning message to nurse station.
3. Multifunction infusion alarm according to claim 2, is characterized in that: described wireless transceiver adopts NRF24L01 radio receiving transmitting module.
CN201420609672.8U 2014-10-21 2014-10-21 Multifunction infusion alarm Expired - Fee Related CN204106737U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420609672.8U CN204106737U (en) 2014-10-21 2014-10-21 Multifunction infusion alarm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420609672.8U CN204106737U (en) 2014-10-21 2014-10-21 Multifunction infusion alarm

Publications (1)

Publication Number Publication Date
CN204106737U true CN204106737U (en) 2015-01-21

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104524668A (en) * 2015-01-27 2015-04-22 郑猛 Intelligent transfusion monitoring system
CN104707214A (en) * 2015-03-06 2015-06-17 昂科信息技术无锡有限公司 Infusion weighing monitoring method and system
CN104766441A (en) * 2015-04-19 2015-07-08 孔兵 Intelligent medical infusion alarm system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104524668A (en) * 2015-01-27 2015-04-22 郑猛 Intelligent transfusion monitoring system
CN104707214A (en) * 2015-03-06 2015-06-17 昂科信息技术无锡有限公司 Infusion weighing monitoring method and system
CN104766441A (en) * 2015-04-19 2015-07-08 孔兵 Intelligent medical infusion alarm system

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150121

Termination date: 20161021

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