CN104147661A - Infusion control system and method based on physiological information feedback - Google Patents
Infusion control system and method based on physiological information feedback Download PDFInfo
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- CN104147661A CN104147661A CN201410428162.5A CN201410428162A CN104147661A CN 104147661 A CN104147661 A CN 104147661A CN 201410428162 A CN201410428162 A CN 201410428162A CN 104147661 A CN104147661 A CN 104147661A
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Abstract
The invention provides an infusion control system with a physiological information feedback function. The infusion control system comprises an upper computer, a coordinator, a first wireless communication module, a second wireless communication module, an infusion terminal and a heart rate sensor, wherein the upper computer and the first wireless communication module are both connected with the coordinator, the first wireless communication module and the second wireless communication module are communicated through a wireless network, the second wireless communication module is mounted on the infusion terminal, and the heart rate sensor is connected with the infusion terminal. According to the infusion control system with the physiological information feedback function, the function that the dripping speed is automatically adjusted through triggering of feedback heart rate signals, the sensor and a stepping motor, two layers of intervention measures executed by the infusion terminal and the upper computer are set, high flexible adaptability and promptness are achieved, and the working efficiency of medical staff is greatly improved while infusion safety is ensured.
Description
Technical field
The present invention is specifically related to the control technology of infusing, particularly a kind of transfusion control system and method based on physiologic information feedback.
Background technology
Infusion reaction mean transfusion general name that cause or that infuse relevant untoward reaction, although probability of happening only has 3.74% clinically, affect larger, if can not find in time processing, mortality rate is higher.Find in time and process infusion reaction, can reduce the harm that infusion reaction causes safely patient body health and lives.Traditional infusion reaction is processed the healthcare givers of employing more and is maked an inspection tour and doctor's advice mode, only proposes after discomfort patient, and medical personnel just slow down or stopping infusion.Under this mode, because patient lacks corresponding knowledge, often can not find in time to process infusion reaction, cause serious consequence, meanwhile, the workload that medical personnel make an inspection tour is also larger.Therefore, a lot of transfusion control devices are there are at present, these device major parts are by depositing suitable gear transfusion speed at single-chip microcomputer in advance, medical personnel are by after the suitable gear of key-press input, realize transfusion speed by Single-chip Controlling steering wheel and adjust to the transfusion that this gear is corresponding, solve medical personnel's situation inaccurate to transfusion speed control, lowered the probability of occurrence of infusion reaction; In addition, some automatons have also been realized transfusion speed measuring ability, and realized that, transfusion abnormal to transfusion speed finishes or tube for transfusion in there is the warning function of the emergencies such as foaming, this can remind patient to notify medical personnel to process in time, has certainly reduced the probability of happening of infusion reaction.But still there is following several problem in existing transfusion control device:
1, the periodical inspection that does not improve medical personnel is checked the large situation of workload of sufferer situation.
2, cause that because some reasons in infusion process are rocked tube for transfusion the detection of transfusion speed or tube for transfusion bubble situation is inaccurate, cause transfusion situation to be grasped and forbidden to cause to control inefficacy.
3, the discovery of infusion reaction is normally informed after sufferer does not feel like oneself, medical personnel are in passive state, and seldom before infusion reaction occurs, some somatic reactions by sufferer are initiatively found in advance, and promptness and accuracy that infusion reaction is found are not high.
4, to finding that infusion reaction or transfusion complete and occur after bubble, conventionally need to wait for after medical personnel arrive and carrying out.For the sufferer in distant ward or occur at one time the sufferer of infusion reaction when more because medical personnel's staff is limited, all may there is delay disposal.
To sum up, design a kind of new transfusion control system, be necessary for alleviating medical personnel's workload and solving in time the safety problem that infusion reaction brings.
Summary of the invention
For above-mentioned problems of the prior art, the object of the invention is to, a kind of transfusion control system based on physiologic information feedback is provided.
To achieve these goals, the present invention adopts following technical scheme to be solved:
A kind of transfusion control system with physiologic information feedback function, comprise host computer, coordinator, the first wireless communication module, the second wireless communication module, transfusion terminal and heart rate sensor, wherein: host computer is all connected coordinator with the first wireless communication module, the first wireless communication module is communicated by letter by Wi-Fi with the second wireless communication module; The second wireless communication module is arranged in transfusion terminal; Heart rate sensor is connected with transfusion terminal.
Further, the mode that described transfusion terminal is communicated by letter with host computer is: in transfusion terminal, the second wireless communication module is installed, transfusion terminal is directly communicated by letter with the first wireless communication module by wireless network; Or, in transfusion terminal, the second wireless communication module being installed, infusion segment terminal is directly communicated by letter with the first wireless communication module by wireless network, and all the other transfusion terminals are communicated by letter with the first wireless communication module indirectly by the router with wireless communication module.
Further, described transfusion terminal comprises infusion controller and the transfusion controlling organization of integrative-structure; Wherein:
Described infusion controller comprises housing, and control chip and the second wireless communication module are installed in this housing, and display screen, button and terminal alarm are installed on housing; Wherein, the second wireless communication module, display screen, button and terminal alarm are connected with control chip respectively; Described transfusion controlling organization comprises base plate, Maufee type dropper fixture is set on this base plate and drips velocity modulation engagement positions.
Further, described Maufee type dropper fixture comprises two parallel clamps, one side of clamp is provided with the opening in order to one end of Maufee type dropper is blocked, the bottom of this opening is that semi arch and top are rectangle, the width of rectangle is the diameter of semi arch, the radius of semi arch is identical with the section radius of Maufee type dropper, two parallel sensor fixation plates are installed between two clamps, two sensor fixation plates are provided with and drip fast installation of sensors hole, two drip the line in fast installation of sensors hole perpendicular to the circle center line connecting of two openings, the first infrared emission pipe is arranged on sensor fixation plate by dripping fast installation of sensors hole.
Further, described velocity modulation engagement positions comprises cam, motor and tube for transfusion baffle plate; Between tube for transfusion baffle plate and cam, there is space in order to place tube for transfusion; The first infrared emission pipe connects the control chip of infusion controller.
Further, on described base plate, be also provided with bubble detection device, this bubble detection device comprises two parallel minim pipette clamps, one side of minim pipette clamp is provided with the minim pipette bayonet socket in order to one end of minim pipette is blocked, this bayonet socket bottom is that circular arc and top are rectangle, circular arc is to be greater than the circular arc of semicircle and the radius of circular arc is identical with minim pipette section radius, and the width of rectangle is less than the diameter of minim pipette; Between two minim pipette clamps, there are two parallel fixing heads, two fixing heads are provided with air bubble sensor installing hole, the line of two air bubble sensor installing holes is perpendicular to the circle center line connecting of two bayonet sockets, the second infrared emission pipe is arranged on fixing head by air bubble sensor installing hole, and the second infrared emission pipe connects the control chip of infusion controller.
Further, described cam border width be greater than 1/2 of tube for transfusion section girth.
Further, the back side of the base plate 7 of described transfusion controlling organization is provided with clamping part 5, and transfusion terminal is fixed on drip stand by clamping part.
Another object of the present invention is, a kind of transfusion control method based on physiologic information feedback is provided, and the method comprises the steps:
Step 1: the startup of transfusion terminal powers on, and completes initial work, sets up network be connected with host computer, then waits for that user inputs initial target and drips speed;
Step 2: the control chip of transfusion terminal, in real time to heart rate sensor and the first infrared emission pipe acquired signal, obtains respectively heart rate information, drips fast information, and send in real time host computer;
Step 3: control chip is relatively surveyed and dripped speed and drip speed with a target for input, drips speed when being less than target and dripping speed when actual measurement, and control chip control step driven by motor camming movement is loosened the clamping to tube for transfusion; Otherwise control chip control step driven by motor cam rotates the clamping strengthening tube for transfusion;
Step 4: control chip makes the following judgment according to dripping fast information and heart rate information in real time: if compared with the average rhythm of the heart in initial time interval, the variation of current heart rate exceedes changes in heart rate threshold value, think doubtful infusion reaction, now control chip motor motion makes to drip prompt drop and is low to moderate target and drips a certain ratio of speed, in observation a period of time, whether recover the average heart rate in initial time section, if do not recover, think infusion reaction, control chip control electric machine rotation, to stopping infusion warning, sends to host computer by warning message simultaneously; If compared with the average rhythm of the heart in initial time interval, current changes in heart rate exceedes infusion reaction threshold value, and control chip control step motor rotation, to stopping infusion warning, sends to host computer by warning message simultaneously.
Step 5: what the real-time infusion monitoring terminal of host computer sent drips fast information, heart rate information, bubble information and warning message, and shows on display in real time; Whether host computer real-time judge receives the real-time new target of inputting of medical personnel drips fast information, is the control chip that sends it to transfusion terminal;
Step 6: control chip receives that new target is dripped speed and control step motor rotation drips speed to new target, then performs step 3, the target described in step 3 is dripped speed and is updated to new target and drips speed.
Further, said method also comprises the steps:
The port voltage of control chip Real-time Collection the second infrared emission pipe, if port voltage changes, think in tube for transfusion and have bubble or liquid to be totally lost, control chip control terminal alarm equipment alarm is notified host computer simultaneously, otherwise dropping speed gathers as usual.
Compared with existing transfusion control device and control method, the beneficial effect of the transfusion control system feeding back based on information of the present invention and method is as follows:
1, by the radio communication at medical care center host computer and sufferer place, realized without periodical inspection can be accurately, infusion monitoring situation automatically, improved the large situation of medical and nursing work amount.
2, transfusion controlling organization detection part, a speed control member made are set to one, realize the manual control of transfusion terminal and automatically controlled, and fix by the fixing and integral type respectively to Maufee type dropper and tube for transfusion, solve owing to rocking the situations such as speed and bubble of dripping that cause and detected inaccurate problem, effectively improved the monitoring accuracy of infusion reaction and other transfusion burning issues.
3, also inform in time host computer by heart rate information and other emergencies of Sensor monitoring sufferer in real time, realized before infusion reaction generation prerequisite and initiatively found infusion reaction and emergency, improved real-time and the accuracy found.
4, transfusion controlling organization is monitored in real time to heart rate information and scarce liquid and bubble information, by transfusion terminal automatic start-stop infusion process, and automatically controls the speed of transfusion speed, has realized in time and having processed automatically, waits as long for after avoiding sufferer to inform.
5, control method of the present invention has realized by the heart rate signal feeding back and has triggered, drips fast automatic regulation function by sensor and motor, is provided with the two-layer intervention means of being carried out by transfusion terminal and host computer.First, in the time finding that heart rate is abnormal, control and observe recovery situation in the very first time to dripping speed by the control chip of the terminal of infusing; The second, host computer is in infusion process and receive after warning message, all can, according to practical situation, send the new speed of dripping in real time to transfusion terminal, and control chip can drip speed and regulate according to new, has the higher flexible suitability and promptness.
To sum up, the present invention can solve current medical industry problem demanding prompt solution, has future in engineering applications.
Brief description of the drawings
Fig. 1 is the functional block diagram of the transfusion control system based on physiologic information feedback of the present invention.
Fig. 2 is the structured flowchart of host computer.
Fig. 3 is the structured flowchart of infusion controller.
Fig. 4 is the structural representation of transfusion controlling organization.
Fig. 5 is the schematic diagram that the transfusion control system based on physiologic information feedback of the present invention is installed on drip stand.
Fig. 6 drips speed to detect and the scarce liquid of liquid containing bottle, aneroid testing circuit figure.
Fig. 7 is stepper motor driving circuit.
Fig. 8 is key circuit figure.
Fig. 9 is liquid containing bottle aneroid or has bubble alarm flow figure.
Figure 10 is that flow chart is extracted in heart rate collection.Wherein, Figure 10 (a) is that heart rate extracts flow chart, and Figure 10 (b) is that DMA interrupts process chart.
Figure 11 is heart rate abnormality detection and process chart.
Figure 12 is that control chip is to dripping the flow chart of speed control system.
Figure 13 is button setting and display module flow chart.
Number in the figure implication: 1, cam; 2, drip fast installation of sensors hole; 3, opening; 4, motor; 5, clamping part; 6, air bubble sensor installing hole; 7, base plate; 9, clamp; 10, sensor fixation plate; 11, tube for transfusion baffle plate; 12, minim pipette clamp; 13, fixing head; 14, bayonet socket; 15, heart rate sensor; 16, infusion controller; 17, transfusion needle; 18, transfusion bottle/bag; 19, drip stand.
The present invention is described in further detail for the embodiment providing below in conjunction with accompanying drawing and inventor.
Detailed description of the invention
Clinically common infusion reaction main clinic symptoms many with uncomfortable in chest, breathe hard, the performance such as arteries and veins is fast, the whole body is uncomfortable, heart rate is fast, compare other physiologic informations, the change of heart rate is the most representative and be easier to monitoring, and the present invention controls as the feedback information whether infusion reaction occurs Heart Rate information to transfusion.Thus, the present invention realizes a set of transfusion control system based on physiologic information feedback, effectively to alleviate medical personnel's workload and infusion process is controlled automatically.
Need the key issue solving to comprise: the heart rate information of Real-time Collection transfusion outpatient, design heart rate extraction algorithm, extracts the heart rate information for judging infusion reaction; Extract by sensor the fast information of dripping, and by infusion controller and transfusion controlling organization, transfusion speed is controlled in real time; Design infusion reaction Processing Algorithm, controls transfusion speed in real time according to heart rate information, stops or slowing down transfusion speed in the time that infusion reaction occurs; By network, patient's detection information is passed to host computer, medical personnel are at host computer Real-Time Monitoring; Warning function is provided.When alert event occurs, host computer and slave computer real-time prompting warning message (as having air, doubtful infusion reaction generation etc. in infusion-completed, tube for transfusion); Except above key issue, system also should have the essential information (as transfusion specification, initial target drip the information such as speed) of infusing by key-press input patient, and by showing in real time the basic functions such as transfusion speed and heart rate essential information.
System functional block diagram of the present invention is shown in Fig. 1, and wherein, transfusion terminal realizes the connected mode of communicating by letter with host computer two kinds: the first: transfusion terminal is directly communicated by letter with the first wireless communication module by wireless network.This mode is applicable to all situations in the communication range of wireless communication module of all transfusion terminals.The second: infusion segment terminal is directly communicated by letter with the first wireless communication module by wireless network, all the other transfusion terminals are communicated by letter with the first wireless communication module indirectly by the router with wireless communication module.This mode is applicable to infusion segment terminal in the communication range of wireless communication module, and remaining transfusion terminal has exceeded the communication range of wireless communication module, need to realize by router the situation of communication.
Because the cam of existing transfusion controlling organization usually flattens tube for transfusion adjusting while dripping speed, if the width of cam edge is less, after cam pressing tube for transfusion, also in tube for transfusion, leave space, make to drip speed and detect inaccurate and the speed control system of dripping is inaccurate; The border width of cam of controlling organization of infusing in the present invention is greater than 1/2 of tube for transfusion section girth.
Using method and the operation principle of native system are as follows:
Transfusion terminal is arranged on drip stand 19 by the clamping part 5 at base plate 7 back sides, after transfusion bottle/bag 18 is installed, the two ends of Maufee type dropper are stuck in the opening 3 of two clamps 9, the minim pipette of Maufee type dropper rear end is stuck between cam 1 and tube for transfusion baffle plate 11, then tube for transfusion is stuck in two minim pipette bayonet sockets 14.
The startup of transfusion terminal powers on, and completes initial work, sets up network and is connected, then in waiting for the state of user's input of control commands with host computer.Transfusion terminal adds the transfusion terminal of network, can be by wireless network and route or coordinator transmission detection data; Medical personnel are dripped speed and transfusion specification by key-press input initial target, and control chip is sampled and obtained sufferer heart rate information heart rate sensor in real time, and sample frequency is 100Hz; The first infrared emission pipe and the second infrared emission pipe fast information that Real-time Collection sufferer is infused respectively and liquid level, bubble information, Maufee type dropper is fixed between two clamps 9, the liquid falling drips fast installation of sensors hole 2 and air bubble sensor, the detection of a realization fast detection and liquid level, bubble through two just.Control chip drips fast size according to the target of initial setting controls a speed., change if control chip judges the second correlation sensor port voltage meanwhile, think in tube for transfusion and have bubble or liquid to be totally lost, control chip control terminal alarm equipment alarm, otherwise dropping speed gathers as usual.
Transfusion terminal sends the infusion information of collection, heart rate information, bubble information to host computer by wireless network in real time.The control chip of transfusion terminal detects transfusion speed and heart rate detection in real time, and whether heart rate is judged extremely.If the average rhythm of the heart in more initial 5 minutes, current changes in heart rate exceedes 30% and be less than 50%, think doubtful infusion reaction, now control chip control electric machine rotation drips speed 50% until reduce target, in observing 10 minutes, whether recover the average rhythm of the heart in initial 5 minutes, if do not recover, think infusion reaction, control chip control electric machine rotation stopping infusion is also reported to the police; If the average rhythm of the heart in more initial 5 minutes, current changes in heart rate exceedes 50%, thinks infusion reaction, and stopping infusion is also reported to the police, and warning message is sent to host computer simultaneously.What the real-time infusion monitoring terminal of host computer sent drips fast information, heart rate information, bubble information and warning message, and on display, shows in real time, medical personnel think to need to adjust according to the information receiving in infusion process drips speed or drips speed in the informational needs adjustment that receives the report for police service, according to dripping fast information and heart rate information, utilize keyboard to input new target to host computer and drip speed, whether host computer real-time judge receives new target drips speed, by coordinator by new target drip fast information send to transfusion terminal control chip, control chip turns round according to the new speed control motor band processed moving cam that drips, drip speed until reach new target, subsequently, heart rate information and target that control chip continues relatively to survey are dripped speed, control dripping speed.
Under this mode, medical personnel can not make an inspection tour by medical treatment or notify discovery infusion reaction by patient, and when medical personnel find, can automatically adjust and drip speed or directly cut off transfusion, make this emergency can be controlled in time.
In the time that the control chip in infusion controller judges that according to the information of the second infrared emission pipe collection bubble appears in the minim pipette of Maufee type dropper rear end, control chip control terminal alarm equipment alarm is to remind sufferer; Meanwhile, control chip control step motor 4 driving cams 1 rotate, and the tube for transfusion between cam 1 and tube for transfusion baffle plate 11 is clamped, thereby interrupt transfusion.The controller judgement of host computer occurs after bubble information that the host computer alarm equipment alarm of host computer reminds medical personnel to process.Under this mode, medical personnel can be not maked an inspection tour and be found air bubble problem by medical treatment, and find front or can directly cut off transfusion medical personnel simultaneously, make this emergency can be controlled in time.
Embodiment:
According to technical scheme of the present invention; the design of the present embodiment as shown below; it should be noted that, the object that inventor provides this embodiment is the design in order to be illustrated more clearly in structure of the present invention and control method, and the present invention's scope required for protection is not limited to this embodiment.
The structured flowchart of host computer is shown in Fig. 2, and host computer adopts the computer with ZigBee wireless module.Transfusion terminal realizes communicating by letter with host computer takes the above-mentioned second way; The structured flowchart of infusion controller is shown in Fig. 3, taking control chip CC2530 as core.
One, the hardware designs of system
1, transfusion speed testing circuit
The first infrared emission pipe adopts 940nm infrared emission diode, receiving tube and transmitting tube optical axis conllinear, and when work, transmitting tube sends the received pipe reception of light modulated, becomes the signal of telecommunication.In the time that dripless is dripped, receiving tube is accepted infrared light, output high level; While having drop to drip, the drop of whereabouts has certain scattering process to infrared light, the light intensity decreasing that receiving tube is received, and receiving tube both end voltage changes.The signal of receiving tube collection is amplified by audion, compare by comparison circuit subsequently, by test and Selection compare threshold, while making drop drippage, can produce the square-wave signal declining, finally output signal is delivered to control chip CC2530 port P0_4 and detected, its circuit theory diagrams are shown in Fig. 6.
2, lack liquid and bubble alarm detection circuit
The scarce liquid of liquid containing bottle is similar to dropping speed testing circuit to aneroid testing circuit, and realizing principle is all because infrared light is different with airborne absorptance at liquid, cause by liquid differently with the light intensity after air, receiving tube both end voltage also be there are differences.Side circuit is connected to output signal fracture in the P00 of CC2530, in actual pcb board, we by dropping speed measuring module and liquid containing bottle lack liquid, aneroid detection module is incorporated in its schematic diagram in same circuit and sees Fig. 6.
3, transfusion speed control circuit
Native system is selected the power source of motor as transfusion speed control.Pulse signal of the every input of motor, rotor just rotates an angle or takes a step forward, and the angular displacement of its output or linear displacement are directly proportional to the umber of pulse of input, and rotating speed is directly proportional to pulse frequency.Adopt four phases four that 5V voltage drives to clap formula decelerating step motor, speed reducing ratio is 1:64, and stepping angle is 5.625/64 degree.If need to rotate 1 circle, need so 360/5.625*64=4096 pulse signal.This motor drives by ULN2003, and driving port is P1_2, P1_3, P1_4, P1_5.In actual applications, ULN2003 will drip fast information and feed back to motor, drip the fast rotating that whether carrys out control step motor within normal range by judgement.Stepper motor driving circuit is shown in Fig. 7.
4, heart rate detection circuit
The pulsesensor photo-electric heart rate sensor that native system adopts, this sensor is integrated amplifying circuit and noise suicide circuit, the output of sensor die analog signal, operating voltage range is between 3.3-5V.Can be directly inputted to CC2530 port, carry out AD sampling.When actual detection, sensor adopts 3.3v power supply, is close to finger abdomen, and the output port of sensor is connected to the P0_5 port of CC2530, samples by 14 AD in sheet, by heart rate extraction algorithm, finally calculates patient's heart rate information.The heart rate information that system utilization calculates carries out infusion reaction judgement, and transfusion speed control.
5, display screen
0.96 cun of display module employing, the OLED display screen that blue, SPI communicates by letter, in practical application liquid specifications and initial target drip speed with adjusted value all in OLED screen display, this screen control only needs 4 I/O mouths, connects respectively P0_1, P1_6, P1_7, the P2_0 port of CC2530.
6, button
Because the I/O mouth resource of CC2530 is practical nervous, therefore button adopts simulation game handle type button, by an independence, by the entering of key control external interrupt, the difference of corresponding outfan partial pressure value is called different interrupt handling routines when pressing four sub-buttons of difference.This scheme only need take two I/O connection jaws of CC2530, and interface circuit and programming comparatively simple, it is convenient to control.As shown in Figure 8, the output of key circuit and input connect respectively P0_6 and the P0_7 port of CC2530 for the schematic diagram of key-press module and interface schema.P0_7 port adopts external interrupt trailing edge trigger mode, partial pressure value corresponding to difference when S5, S4, S2, S1 are pressed, approximately be followed successively by 3/4Vcc, 1/2Vcc, 1/4Vcc and 0Vcc, therefore system is carried out AD sample conversion to P0_6, the voltage range obtaining according to sampling, judges in four buttons, which key is pressed.
7, terminal alarm
The use buzzer of native system is reported to the police to abnormality, because the I/O mouth driving force of control chip is inadequate, therefore adopted an audion as driving, controls by the P22 pin of CC2530.
8, serial communication circuit
Coordinator is communicated by letter with host computer and is used PL-2303 serial ports to turn USB Design Mode, and this chip has automatic handshake mode, installs after driving, can directly carry out serial port protocol RS232 communication with USB and computer.This module is connected with P02, the P03 pin of CC2530.
Two, the design of systems soft ware
Corresponding with hardware circuit, the software design of whole system is divided into several subroutine modules, comprise that ZigBee wireless networking, transfusion speed detect, aneroid lacks liquid, heart rate detection, motor driving, button demonstration etc., realize the collection, setting, demonstration, adjustment, monitoring etc. of data with this.
1, ZigBee wireless networking module
Zigbee protocol stack all gathers together the agreement of PHY (physical layer), MAC (media access layer), NWK (Internet), APS (application program support sublayer), each layer of definition of APL (application layer) exactly, form with function realizes, for user provides API, user can directly call.In the time of an application of exploitation, the beneath layer of agreement is separate with application, only need to change accordingly in application layer.ZigBee 2007 protocol stacks that native system selects TI to release, also claim Z-Stack, and it adopts the method operation of task poll.ZigBee equipment application layer software flow chart below.
After the startup of transfusion terminal powers on, first complete terminal and Zigbee protocol stack initial work, then in waiting for the state of user's input of control commands.Access network after order in input, terminal node is found the network that coordinator is set up, and joins in network.Add the terminal node of network, can send detection data to route or coordinator, thereby realize the remote monitoring to patient heart rate information and transfusion speed.
Zigbee regulation has two kinds of addresses, and one is the physical address of Eight characters joint, and this is the unique identity card number of node, all must have the physical address of a uniqueness in network; Another is in the network address, rejoins different that network all can be with path, and changes.Add after network at node, immediately the node that need to know is matched and issued in the network address and physical address.We only need to know physical address like this, just can find out the network address, thereby carried out communication according to physical address.Therefore terminal and route, before linking network, need to arrange its physical address.
2, transfusion speed detects
Transfusion speed testing circuit output signal is delivered to CC2530 port P0_4 and is detected, and utilize intervalometer Timer3 timing, P0_4 is set to external interrupt, trailing edge triggers, utilize the interval of measuring adjacent drops whereabouts to determine dropping speed, process function by external interrupt and calculate transfusion speed.Timer3 is initialized as 128 frequency divisions, is set to automatically reset 00->0xff, and down trigger is about a second 508 times.
3, liquid containing bottle aneroid, have bubble report to the police
This subprogram is mainly used in measuring in liquid containing bottle whether lack in liquid and dropper whether enter air, definition poll event, when system operation, P0_0 port is carried out to poll, in the time that P0_0 port voltage changes, think and have bubble in tube for transfusion, or liquid is totally lost, send alarm signal, otherwise dropping speed gathers as usual.Its alert program flow chart as shown in Figure 9.
4, heart rate extraction algorithm
Rhythm of the heart extraction algorithm flow chart is shown in Figure 10 (a), and DMA interrupts process chart sees Figure 10 (b).Utilize intervalometer Timer1, carry out pulsesensor photo-electric heart rate sensor to sample with DMA, sample frequency is 100Hz, utilizes the dual pathways, and the mode of single buffer memory is processed.PValue and pUpValue are pointer variable, and pValue points to DMA data acquisition buffer memory, and pUpValue points to DMA data acquisition and completes buffer memory.AdcValues preserves sensors A D transforming numerical.
Rhythm of the heart extraction algorithm is that the sensors A D transforming numerical that the collection by adcValues is preserved completes is processed.First find the peak value in these data, judging that these peak values are that noise causes, are finally saved in rhythm of the heart real peak time parameter in array according to threshold value.By array calculated to rhythm of the heart value.
5, drip speed control system
CC2530 arranges poll event, every a transfusion speed of 5ms inquiry, carries out heart rate abnormality detection one time.Heart rate abnormality detection flow chart is shown in Figure 11, each inquiry, whether heart rate is judged extremely, if the average rhythm of the heart in more initial 5 minutes detects in real time changes in heart rate and exceedes 30% and be less than 50%, think doubtful infusion reaction, reduce target and drip speed 50%, observe within 10 minutes, whether can recover, if can not recover, think infusion reaction, stopping infusion is also reported to the police; Exceed 50% if detect in real time changes in heart rate, think infusion reaction, stopping infusion is also reported to the police.
Drip fast control flow chart and see Figure 12, the actual speed of contrast and target are dripped the difference between speed, if difference is greater than 1, carry out speed governing.In the time that actual transfusion speed is less than target and drips speed, control chip control driven by motor camming movement is loosened the clamping of tube for transfusion to accelerate transfusion speed; Otherwise driven by motor cam rotates and strengthens the clamping of tube for transfusion to slow down transfusion speed.
6, button setting and demonstration
Button arranges mainly and transfusion specification to be dripped to speed with initial target sets, and the main reality of display subroutine is welcome interface, button parameter setting interface, and drip speed and the real-time display interface of heart rate, its program flow diagram is as shown in figure 13.
In system design of the present invention, needing design to drip fast detection algorithm, heart rate extraction algorithm, transfusion speed detection algorithm and infusion reaction detection algorithm etc., is below the application example of main algorithm:
1, dripping speed detects
Utilize infrared emission pipe, grooved photogate to gather the signal of liquid drop speed and liquid level decline, liquid drop speed is presented on OLED screen.Artificial stopwatch drips speed simultaneously to be measured, and whether the structure that observation OLED screen display is shown is consistent with artificial counting result.Test result sees the following form 1, and table 1 is for dripping the comparison of number setting value and actual value.
Table 1 droplet number setting value and actual value record
| Experiment numbers | 1 | 2 | 3 | 4 | 5 |
| Set and drip number | 40 | 60 | 80 | 100 | 120 |
| Show and drip number | 40 | 60 | 80 | 100 | 120 |
| The actual number that drips | 42 | 61 | 80 | 102 | 119 |
| Error | 0 | 1 | 0 | 2 | 1 |
| Relative error | 0 | 1.67％ | 0 | 2％ | 0.83％ |
Can see from measurement result, range estimation is dripped speed and detection of the present invention and is dripped and between speed, have certain deviation, mainly to estimate while dripping speed, by opening manual time-keeping and stopping the time of manual time-keeping and there is deviation time that drop produces pulse by dropper, therefore think that in measurement error allowed band it is accurately that drop drips fast demonstration.
2, heart rate detection
Sinusoidal signal is replaced to sensor signal input with waveform generator, contrast with the heart rate value extracting by algorithm of heart rate.Detect and contrast by 5 groups, heart rate test the results are shown in Table 2.
Table 2 heart rate test value record
| Experiment numbers | 1 | 2 | 3 | 4 | 5 |
| Show heart rate | 67 | 86 | 80 | 69 | 76 |
| Actual heart rate | 65 | 87 | 78 | 67 | 77 |
| Error | 2 | 1 | 2 | 2 | 1 |
| Relative error | 2.99％ | 1.16％ | 2.5％ | 2.90％ | 1.32％ |
In experimentation, pulsesensor photo-electric heart rate sensor access DS 5022M type oscillograph is monitored, the heart rate value calculating from oscillograph, contrasts with the heart rate value extracting by algorithm of heart rate.Detect and contrast by 5 groups, heart rate test the results are shown in Table 3.
Table 3 heart rate test record
| Experiment numbers | 1 | 2 | 3 | 4 | 5 |
| Show heart rate | 76 | 89 | 80 | 77 | 69 |
| Actual heart rate | 80 | 87 | 78 | 75 | 71 |
| Error | 4 | 2 | 2 | 2 | 2 |
| Relative error | 5.26％ | 2.25％ | 2.5％ | 2.59％ | 2.90％ |
3, drip speed control system
Before setting, transfusion speed is very fast, and by the initial transfusion speed setting value of key-press input, motor, according to goal setting value, is controlled transfusion speed.Set with speed governing and detect contrast by 4 groups, transfusion speed control module test result is in table 4.
Table 4 droplet speed setting value and actual value record
| Experiment numbers | 1 | 2 | 3 | 4 |
| Set and drip number | 80 | 100 | 120 | 140 |
| Number is dripped in speed governing | 78 | 96 | 118 | 144 |
4, infusion reaction
Sinusoidal signal is replaced to sensor signal input with waveform generator, original frequency is 1.2Hz, after waiting for that transfusion speed is stable, changes the sinusoidal signal frequency of waveform generator into 1.6Hz, 2Hz, observe the stable rear transfusion speed of transfusion speed, infusion reaction is processed experimental results in table 5.
Table 5 infusion reaction is processed experimental results
| Signal frequency | 1.2Hz | 1.6Hz | 2Hz |
| Transfusion speed | 87 | 61 | 0 |
| Heart rate | 42 | 158 | 201 |
Claims (10)
1. one kind has the transfusion control system of physiologic information feedback function, it is characterized in that, comprise host computer, coordinator, the first wireless communication module, the second wireless communication module, transfusion terminal and heart rate sensor, wherein: host computer is all connected coordinator with the first wireless communication module, the first wireless communication module is communicated by letter by Wi-Fi with the second wireless communication module; The second wireless communication module is arranged in transfusion terminal; Heart rate sensor is connected with transfusion terminal.
2. the transfusion control system with physiologic information feedback function as claimed in claim 1, it is characterized in that, the mode that described transfusion terminal is communicated by letter with host computer is: in transfusion terminal, the second wireless communication module is installed, transfusion terminal is directly communicated by letter with the first wireless communication module by wireless network; Or, in transfusion terminal, the second wireless communication module being installed, infusion segment terminal is directly communicated by letter with the first wireless communication module by wireless network, and all the other transfusion terminals are communicated by letter with the first wireless communication module indirectly by the router with wireless communication module.
3. the transfusion control system with physiologic information feedback function as claimed in claim 1, is characterized in that, described transfusion terminal comprises infusion controller and the transfusion controlling organization of integrative-structure; Wherein:
Described infusion controller comprises housing, and control chip and the second wireless communication module are installed in this housing, and display screen, button and terminal alarm are installed on housing; Wherein, the second wireless communication module, display screen, button and terminal alarm are connected with control chip respectively; Described transfusion controlling organization comprises base plate (7), Maufee type dropper fixture is set on this base plate (7) and drips velocity modulation engagement positions.
4. the transfusion control system with physiologic information feedback function as claimed in claim 3, it is characterized in that, described Maufee type dropper fixture comprises two parallel clamps (9), one side of clamp (9) is provided with the opening (3) in order to one end of Maufee type dropper is blocked, the bottom of this opening (3) is that semi arch and top are rectangle, the width of rectangle is the diameter of semi arch, the radius of semi arch is identical with the section radius of Maufee type dropper, two parallel sensor fixation plates (10) are installed between two clamps (9), two sensor fixation plates (10) are provided with and drip fast installation of sensors hole (2), two drip the line in fast installation of sensors hole (2) perpendicular to the circle center line connecting of two openings (3), the first infrared emission pipe is arranged on sensor fixation plate (10) by dripping fast installation of sensors hole (2).
5. the transfusion control system with physiologic information feedback function as claimed in claim 3, is characterized in that, described velocity modulation engagement positions comprises cam (1), motor (4) and tube for transfusion baffle plate (11); Between tube for transfusion baffle plate (11) and cam, there is space in order to place tube for transfusion; The first infrared emission pipe connects the control chip of infusion controller.
6. the transfusion control system with physiologic information feedback function as claimed in claim 3, it is characterized in that, described base plate is also provided with bubble detection device on (7), this bubble detection device comprises two parallel minim pipette clamps (12), one side of minim pipette clamp (12) is provided with the minim pipette bayonet socket (14) in order to one end of minim pipette is blocked, this bayonet socket (14) bottom is that circular arc and top are rectangle, circular arc is to be greater than the circular arc of semicircle and the radius of circular arc is identical with minim pipette section radius, and the width of rectangle is less than the diameter of minim pipette; Between two minim pipette clamps (12), there are two parallel fixing heads (13), two fixing heads (13) are provided with air bubble sensor installing hole (6), the line of two air bubble sensor installing holes (6) is perpendicular to the circle center line connecting of two bayonet sockets (14), it is upper that the second infrared emission pipe is arranged on fixing head (10) by air bubble sensor installing hole (6), and the second infrared emission pipe connects the control chip of infusion controller.
7. the transfusion control system with physiologic information feedback function as claimed in claim 1, is characterized in that, described cam border width be greater than 1/2 of tube for transfusion section girth.
8. the transfusion control system with physiologic information feedback function as claimed in claim 1, it is characterized in that, the back side of the base plate (7) of described transfusion controlling organization is provided with clamping part (5), and transfusion terminal is fixed on drip stand (19) by clamping part (5).
9. utilize system described in claim 1 method of controlling of infusing, it is characterized in that, comprise the steps:
Step 1: the startup of transfusion terminal powers on, and completes initial work, sets up network be connected with host computer, then waits for that user inputs initial target and drips speed;
Step 2: the control chip of transfusion terminal, in real time to heart rate sensor and the first infrared emission pipe acquired signal, obtains respectively heart rate information, drips fast information, and send in real time host computer;
Step 3: control chip is relatively surveyed and dripped speed and drip speed with a target for input, drips speed when being less than target and dripping speed when actual measurement, and control chip control step driven by motor camming movement is loosened the clamping to tube for transfusion; Otherwise control chip control step driven by motor cam rotates the clamping strengthening tube for transfusion;
Step 4: control chip makes the following judgment according to dripping fast information and heart rate information in real time: if compared with the average rhythm of the heart in initial time interval, the variation of current heart rate exceedes changes in heart rate threshold value, think doubtful infusion reaction, now control chip motor motion makes to drip prompt drop and is low to moderate target and drips a certain ratio of speed, in observation a period of time, whether recover the average heart rate in initial time section, if do not recover, think infusion reaction, control chip control electric machine rotation, to stopping infusion warning, sends to host computer by warning message simultaneously; If compared with the average rhythm of the heart in initial time interval, current changes in heart rate exceedes infusion reaction threshold value, and control chip control step motor rotation, to stopping infusion warning, sends to host computer by warning message simultaneously.
Step 5: what the real-time infusion monitoring terminal of host computer sent drips fast information, heart rate information, bubble information and warning message, and shows on display in real time; Whether host computer real-time judge receives the real-time new target of inputting of medical personnel drips fast information, is the control chip that sends it to transfusion terminal;
Step 6: control chip receives that new target is dripped speed and control step motor rotation drips speed to new target, then performs step 3, the target described in step 3 is dripped speed and is updated to new target and drips speed.
System as claimed in claim 9 infuse control method, it is characterized in that, also comprise the steps:
The port voltage of control chip Real-time Collection the second infrared emission pipe, if port voltage changes, think in tube for transfusion and have bubble or liquid to be totally lost, control chip control terminal alarm equipment alarm is notified host computer simultaneously, otherwise dropping speed gathers as usual.
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| CN104906654A (en) * | 2015-07-03 | 2015-09-16 | 南通爱普医疗器械有限公司 | Transfusion system with information monitoring function |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201267652Y (en) * | 2008-10-17 | 2009-07-08 | 吴雷 | Medical wireless infusion monitoring apparatus |
| CN201676355U (en) * | 2010-05-21 | 2010-12-22 | 南宁同展拓电子科技有限责任公司 | Transfusion monitoring system based on ZigBee technology |
| CN102114279A (en) * | 2009-12-31 | 2011-07-06 | 北京谊安医疗系统股份有限公司 | Infusion pump |
| CN202342557U (en) * | 2011-12-05 | 2012-07-25 | 汪宏伟 | Automatic control electronic analgesia infusion pump |
| CN202446582U (en) * | 2012-01-13 | 2012-09-26 | 长春工业大学 | Remote transfusion monitoring system based on wireless communication |
-
2014
- 2014-08-27 CN CN201410428162.5A patent/CN104147661B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201267652Y (en) * | 2008-10-17 | 2009-07-08 | 吴雷 | Medical wireless infusion monitoring apparatus |
| CN102114279A (en) * | 2009-12-31 | 2011-07-06 | 北京谊安医疗系统股份有限公司 | Infusion pump |
| CN201676355U (en) * | 2010-05-21 | 2010-12-22 | 南宁同展拓电子科技有限责任公司 | Transfusion monitoring system based on ZigBee technology |
| CN202342557U (en) * | 2011-12-05 | 2012-07-25 | 汪宏伟 | Automatic control electronic analgesia infusion pump |
| CN202446582U (en) * | 2012-01-13 | 2012-09-26 | 长春工业大学 | Remote transfusion monitoring system based on wireless communication |
Cited By (18)
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|---|---|---|---|---|
| US10926029B2 (en) | 2015-03-26 | 2021-02-23 | Becton, Dickinson And Company | IV membrane attachment systems and methods |
| US11826557B2 (en) | 2015-03-26 | 2023-11-28 | Becton, Dickinson And Company | Anti-run dry membrane |
| US11744941B2 (en) | 2015-03-26 | 2023-09-05 | Becton, Dickinson And Company | IV membrane attachment systems and methods |
| US10973993B2 (en) | 2015-03-26 | 2021-04-13 | Becton, Dickinson And Company | Anti-run dry membrane |
| US11617831B2 (en) | 2015-04-01 | 2023-04-04 | Becton, Dickinson And Company | IV flow management systems and methods |
| CN104906654A (en) * | 2015-07-03 | 2015-09-16 | 南通爱普医疗器械有限公司 | Transfusion system with information monitoring function |
| CN104922767A (en) * | 2015-07-13 | 2015-09-23 | 潘烨 | Wireless infusion monitoring alarming device and system |
| CN105709298A (en) * | 2016-01-19 | 2016-06-29 | 沈益峰 | Cloud computing dropping management system |
| CN106137157A (en) * | 2016-07-26 | 2016-11-23 | 汕头大学医学院第附属医院 | A kind of transfusion adverse reaction monitoring alarm device |
| CN106178193A (en) * | 2016-07-27 | 2016-12-07 | 杭州国辰迈联机器人科技有限公司 | Cam type infusion speed automatic adjusting mechanism |
| CN106620953A (en) * | 2016-10-25 | 2017-05-10 | 广东技术师范学院 | Infusion and sign real-time monitoring system based on internet of things |
| CN106924840A (en) * | 2017-04-25 | 2017-07-07 | 盐城工学院 | A kind of medical monitoring device and system |
| CN107823754A (en) * | 2017-11-27 | 2018-03-23 | 钱昱昭 | One kind transfusion intelligent management system |
| CN108042884A (en) * | 2017-12-21 | 2018-05-18 | 王宝光 | A kind of Intelligent heart rate control blood transfusion instrument with oxygen saturation monitor |
| CN108362830A (en) * | 2018-01-15 | 2018-08-03 | 湖北民族学院 | The SCM Based infusion atmospheric monitoring system of one kind and method |
| CN110292679A (en) * | 2018-03-21 | 2019-10-01 | 合肥京东方光电科技有限公司 | Liquid transmission control unit and liquid transfer system |
| CN111588946A (en) * | 2020-07-01 | 2020-08-28 | 哈尔滨理工大学 | Intelligent infusion system with heart rate monitoring function |
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