CN112043903A

CN112043903A - Air pressure type intelligent transfusion system

Info

Publication number: CN112043903A
Application number: CN201910489698.0A
Authority: CN
Inventors: 杨佳熹
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-12-08

Abstract

The invention provides an air pressure type intelligent infusion apparatus, which comprises an emitting part and a receiving part, and is technically characterized in that the core of the emitting part and the core of the receiving part are both single-chip microcomputers, and the emitting part consists of a single-chip microcomputer, a dripping speed detection module, a display module, a wireless emitting module, an air pump and start, pressure increase, pressure reduction, switching and alarm keys; the receiving part consists of a singlechip, a wireless receiving module, an upper computer and an alarm device. The two parts are connected by a circuit, wherein the transmitting part and the receiving part adopt a wireless transmission mode, and the whole device adopts a 5V 20000mAh charger or a battery with the same voltage to provide electric energy. Its advantages are use of air pressure to push liquid, adjustable position, no need of infusion frame, and no influence to normal movement. The system has the function of monitoring the name, the dropping speed and the remaining time of the medicine. The monitoring data may be displayed simultaneously at the patient and nurse station. Has the functions of changing medicine and finishing transfusion and has the function of manual one-key alarm.

Description

Air pressure type intelligent transfusion system

Technical Field

The invention relates to an infusion apparatus, in particular to an intelligent infusion apparatus which is applicable to adjustment and visualization of dropping speed.

Background

The current common infusion mode is to use the liquid gravity to push the liquid into the blood. The position of the patient is fixed and the movement is limited during the transfusion process. In addition, China has clear regulation on the infusion dripping speed of patients. For example, the regulation of 'nursing technical operation standard' of the hygienic hall of Hubei province: the dripping speed of the adult venous transfusion is 40-60 drops/min, and the dripping speed of the children and the old is 20-40 drops/min; 10 drops/min above this standard is too fast; 10 drops/min below this standard is too slow. However, due to the lack of related detection and monitoring devices, nurses are regulated by working experience, and the end time of infusion cannot be predicted, so that a certain psychological pressure is brought to patients.

Disclosure of Invention

The invention aims to provide a pneumatic intelligent infusion set aiming at the defects in the technology. Not only can accurately adjust the dripping speed, but also can synchronously display the dripping speed and the residual time in a patient and a nurse station.

The invention is realized by the way that the device comprises a transmitting part and a receiving part, and is characterized in that the core of the transmitting part and the core of the receiving part are both single-chip microcomputers. The transmitting part consists of a singlechip, a dripping speed detection module, a display module, a wireless transmitting module, an air pump and start, pressure boost, pressure reduction, switching and alarm keys; the receiving part consists of a singlechip, a wireless receiving module, an upper computer and an alarm device. The two parts are connected by a circuit, wherein the transmitting part and the receiving part adopt a wireless transmission mode, and the whole device adopts a 5V 20000mAh charger or a battery with the same voltage to provide electric energy.

The invention has the advantages that the liquid is pushed by air pressure, the gear is adjustable, and an infusion support is not needed

Can be carried about without affecting normal activities.

The system has the function of monitoring the name, the dropping speed and the remaining time of the medicine. The monitoring data may be displayed simultaneously at the patient and nurse station. Has the functions of changing medicine and finishing transfusion and has the function of manual one-key alarm.

Drawings

FIG. 1 is an overall structural view of the present invention

FIG. 2 is a diagram of the structure of the transmitting part of the present invention

FIG. 3 is a diagram showing a structure of a receiving section

FIG. 4 is a schematic view of an air pump according to the present invention

Detailed Description

The present embodiment will be further explained with reference to the accompanying drawings

As shown in fig. 1, the middle part of the infusion apparatus of the drip cup 1 is used for storing liquid medicine, the dripping speed detection module 2 comprises a transmitting tube and a receiving tube, the control module of the liquid medicine dripping speed control module 3 for detecting the dripping speed of the liquid medicine in the drip cup is an STC89C52 single chip microcomputer and a peripheral circuit thereof, and the display module 4 is an LCD 12864. Used for displaying the name of the medicine, the dripping speed and the remaining time, and the wireless transmitting module 5 transmits the transfusion data and the alarm signal. The air pump 6 pressurizes and depressurizes the upper part of the liquid medicine. The air pump is connected to blast pipe 7, starts button 8 and starts the power, and pressure boost button 9 that begins to work adjusts the air pump, increases medicine bottle top atmospheric pressure, and decompression button 10 adjusts the air pump, reduces medicine bottle top atmospheric pressure, and switching button 11 switches big bottle, little bottle liquid medicine, and warning button 12 is changed dressings and is reminded or a key alarming function

The air pump 6 is connected with an exhaust hole 7 on the infusion apparatus through a hose, the air pump 6 is connected with the control module 3 through a circuit, and the dripping speed detection module 2 is a peripheral circuit and is connected with the control module 3 through a lead; the starting key 8, the pressure increasing key 9, the pressure reducing key 10, the switching key 11, the alarm key 12, the display module 4 and the wireless transmitting module 5 are connected through circuits and stacked on the control module 3.

As can be seen from fig. 2, the emission part is that a control module 3 is respectively connected with a display module 4, a dripping speed detection module 2, an emission module 5 and an air pump 6, a dripping kettle 1 is connected with the dripping speed detection module 2, the air pump 6 is connected with an exhaust hole 7, and the control module is also connected with a start key, a pressure boost key, a pressure reduction key, a switch key and an alarm key. The wireless receiving module 13 receives infusion data and sends the infusion data to the control module, the control module 14 processes the received data and uploads the processed data to the upper computer software, the alarm device 15 is a buzzer, and the upper computer software 16 displays the name of the medicine, the dropping speed, the remaining time and the pressure level on a nurse station platform.

As can be seen from FIG. 3, the receiving part is connected with the alarm device, the wireless receiving module and the upper computer software respectively through the control module. The wireless transmitting module 5 and the wireless receiving module 13 transmit information wirelessly. The wireless transmitting module 5, the alarm device 15 and the upper computer software 16 are all connected to the control module 14 through circuits.

Working process

The dripping speed detection module 2 is cylindrical in shape, is sleeved on the dripping kettle 1 and is used for measuring a dripping speed signal in the dripping kettle 1 and transmitting the measuring signal to the control module 3 through a data line, and the control module 3 receives the signal sent by the dripping speed detection module 2, analyzes, processes, stores and displays the signal on the display module 4; the air pump 6 is connected to an exhaust hole 7 of the infusion apparatus through a hose, the start button 8 is pressed to start working, a signal is sent to the control module 3 by utilizing the pressurizing button 9 and the pressure reducing button 10, the duty ratio of the PWM signal is changed after the analysis and the processing of the control module 3, the air pump 6 is controlled to adjust the air pressure in the medicine bottle, and the purpose of changing the dripping speed is further achieved; the infusion medicine bottles are 500ml and 250ml, in order to calculate the infusion remaining time of different medicine bottles conveniently, different signals are sent to the control module 3 by the switching key 11, and the control module 3 analyzes and calculates the infusion remaining time according to the different signals and displays the infusion remaining time on the display module 4. The alarm key 12 is connected with the control module 3 through a data line, after the alarm case key 12 is pressed, the control module 3 detects a signal, the wireless transmitting module 5 is controlled to transmit a wireless signal after analysis, the wireless receiving signal 13 receives the signal and sends the signal to the control module 14 through the data line, and the control module 14 controls the alarm device 15 to give an alarm after analysis, so that the functions of dressing change reminding and one-key alarm are achieved. The infusion data collected by the control module 3 are transmitted through the wireless transmitting module 5, the wireless receiving module 13 located at the nurse station receives the data and transmits the data to the control module 14, and the control module 14 uploads the data to the upper computer software 16 to synchronously display the infusion data at the nurse station.

Working principle of dripping speed detection device 2

The dripping speed detection device 2 is an infrared correlation sensor. The working principle is that infrared rays pass through a gap between the paired tubes and are received by the receiving tube. When no water drops pass through the tube aligning gap, the infrared receiving tube is in a complete conduction state, and the output is high level; when water drops pass through the gaps between the pair of tubes, the conduction capacity of the infrared receiving tubes is reduced to different degrees, and the output irregularity is negative pulses; the passage of each water drop generates such irregular negative pulses, the number of pulses corresponding to the number of water drops. Thus, the negative pulse generated by the infrared geminate transistor sensor can be shaped into a regular positive pulse after passing through the comparator, and then the pulse is output to the singlechip, so that the dripping speed is analyzed and calculated

Operating principle of control device 3 and control device 14

The control device 3 and the control device 14 both adopt an STC89C52 single chip microcomputer to realize a control function, and the control device 3 is connected with the dripping speed detection module, the display module, the wireless transmitting module, the air pump, the starting, pressurizing, depressurizing and switching control device 14 through circuits, the upper computer, the alarm device and the wireless receiving module. The single chip, the voltage stabilizer and the serial port circuit are integrated on a circuit board, the display module and the wireless transmitting module are respectively connected with the control module 3 in a stacking mode through a single circuit board, and the alarm device and the wireless receiving module are connected with the control module 14 in a stacking mode. The control device mainly completes the functions of information fusion of some sensors and realization of a control algorithm.

Display module 4 and its principle

Because the utility model relates to a more parameter of infusion time, dropping speed need show, therefore I adopt LCD12864 to regard as display module. It has the characteristics of small volume, low power consumption and convenient use.

Wireless communication module 5, 13 and working principle thereof

The wireless communication modules 5 and 13 adopt nRF24L01, and the working modes thereof are four types: a power-off mode, an idle mode, a configuration mode, a transceiving mode,

as shown in table 15. The working mode is determined by three pins of PWR _ UP, CE and CS

Table 15 wireless module working mode configuration table

Mode of operation	CE	CS	PWR_UP
				Shutdown mode	—	—	0
Idle mode	0	0	1
				Configuration modes	0	1	1
Transmit-receive mode	1	0	1

The receiving and transmitting modes comprise a direct receiving and transmitting mode and a shockburst (TM) receiving and transmitting mode, and when the direct receiving and transmitting mode is adopted, the antenna works the same as a traditional radio frequency transceiver, and certain defects exist. The design adopts a shockburst (TM) transceiving mode.

Working principle of air pump 6

As can be seen from fig. 4, the adjustment of the rotational speed of the air pump is achieved by changing the duty cycle of the PWM signal. The basic principle of the air pump is that a diaphragm inside the pump makes reciprocating motion through a mechanical device, so that air in a pump cavity with a fixed volume is compressed and stretched to form vacuum (negative pressure), pressure difference is generated between the air suction opening of the pump and the external atmospheric pressure, and gas is (sucked) into the pump cavity and then is discharged from an exhaust opening under the action of the pressure difference.

Working principle of alarm device 15

The alarm device 15 is a buzzer, the infusion speed is set according to the condition of a patient before infusion, and when the infrared correlation sensor cannot detect liquid drops for 5 seconds, the singlechip outputs high and low levels to trigger the buzzer alarm device, so that the buzzer can make a sound. If someone presses the alarm button, the single chip microcomputer outputs high and low levels to trigger the buzzer to alarm so as to remind doctors and patients to carry out related emergency measures and avoid dangerous accidents.

Upper computer software 16 function

The upper computer software is manufactured through a VB programming language, can process information sent by the single chip microcomputer, obtains dripping speed and time information sent by the single chip microcomputer through a serial port, displays the information on the upper computer software according to a fixed format, and turns red corresponding to part of fonts of the information when an alarm signal is received.

Claims

1. An air pressure type intelligent infusion apparatus comprises a transmitting part and a receiving part, and is characterized in that the core of the transmitting part and the core of the receiving part are both single-chip microcomputers, and the transmitting part consists of a single-chip microcomputer, a dripping speed detection module, a display module, a wireless transmitting module, an air pump, and a start-up button, a pressurization button, a decompression button, a switching button and an alarm button; the receiving part consists of a singlechip, a wireless receiving module, an upper computer and an alarm device,

the two parts are connected by a circuit, wherein the transmitting part and the receiving part adopt a wireless transmission mode, and the whole device adopts a 5V 20000mAh charger or a battery with the same voltage to provide electric energy.

2. The air pressure type intelligent infusion apparatus according to claim 1, wherein the emission part is that the control module is respectively connected with the display module, the dripping speed detection module, the emission module and the air pump, the drip cup is connected with the dripping speed detection module, the air pump is connected with the exhaust hole, the control module is further connected with the start button, the pressure boost button, the pressure reduction button, the switch button and the alarm button,

the wireless receiving module receives the infusion data, sends the infusion data to the control module, and the control module processes the received data, uploads the received data to the upper computer software, and the alarm device buzzer, the upper computer software displays the name of the medicine, the dripping speed, the remaining time and the grade on a nurse station platform.

3. The air pressure type intelligent infusion apparatus according to claim 1, wherein the wireless transmitting module and the wireless receiving module transmit information wirelessly, and the wireless transmitting module, the alarm device and the upper computer software are all connected to the control module through circuits.

4. The air pressure type intelligent infusion set according to claim 1, wherein the kettle is an infusion set middle part and is used for storing liquid medicine, the dropping speed detection module comprises a transmitting tube and a receiving tube and is used for detecting the dropping speed of the liquid medicine in the dropping kettle, and the control module is an STC89C52 single chip microcomputer and peripheral circuits thereof.

5. The pneumatic intelligent infusion apparatus according to claim 1, wherein the display module is an LCD12864 for displaying the name of the drug, the dropping rate and the remaining time, the wireless transmitting module transmits the infusion data and the alarm signal, and the air pump pressurizes and depressurizes the upper part of the drug solution.

6. The air pressure type intelligent infusion apparatus according to claim 1, wherein the exhaust pipe is connected with an air pump, the start button starts a power supply, the start button starts to work, the boost button adjusts the air pump, the air pressure above the medicine bottle is increased, the pressure reduction button adjusts the air pump, the air pressure above the medicine bottle is reduced, the switching button switches the medicine liquid of the big bottle and the medicine liquid of the small bottle, and the alarm button has the function of medicine changing reminding or one-key alarm.

7. The air pressure type intelligent infusion apparatus according to claim 1, wherein the air pump is connected to an exhaust hole on the infusion apparatus through a hose, the air pump is connected with the control module through a circuit, and the dripping speed detection module is a peripheral circuit and is connected to the control module through a lead; the starting key, the pressurizing key, the pressure reducing key, the switching key, the alarming key, the display module and the wireless transmitting module are connected through circuits and stacked on the control module.