CN1736498B - Center monitoring infusion method and infusion monitoring and managing system - Google Patents
Center monitoring infusion method and infusion monitoring and managing system Download PDFInfo
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- CN1736498B CN1736498B CN 200510096914 CN200510096914A CN1736498B CN 1736498 B CN1736498 B CN 1736498B CN 200510096914 CN200510096914 CN 200510096914 CN 200510096914 A CN200510096914 A CN 200510096914A CN 1736498 B CN1736498 B CN 1736498B
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Abstract
The invention discloses a central monitoring fluid infusion method and control system, which comprises the following steps: A. coding the state conditional data of each fluid infusion device to form a data package and sending the data package by wireless transmission pattern; B. decoding the data information and displaying the conditional data; C. sending the answering signal without false from fluid infusion center; D. receiving the control data from the fluid infusion monitoring device to amend the control parameters and coding the control data to form the data package then sending the datapackage to finish monitoring fluid infusion.
Description
Technical field
The present invention relates to armarium, relate in particular to a kind of central host that passes through---the method for a plurality of monitoring infusion equipment of monitoring infusion center monitoring (comprising two kinds of infusion pump and syringe pumps) and be used for the monitoring infusion management system of this method.
Background technology
At present, infusion pump and syringe pump (being referred to as infusion pump) that hospital uses are the unit independent operation, its device structure and workflow are shown in Figure 1A, Figure 1B, and infusion pump generally comprises CPU, pick off, display device, man-machine interface such as keyboard or knob, motor and driver module, alarm device etc.CPU receives input information according to the program of setting by man-machine interface, as: control instruction, transfusion speed, preset amount of infusion etc. and on display, dynamically show with form; And handle the method for operation and the speed that " motor and driver module " controls motor according to control instruction, drive mechanical transmission mechanism pushing syringe or extruding tube for transfusion, reach the purpose of transfusion.In running, data such as the pressure that the continuous pick-up transducers of CPU is sensed, bubble, displacement are judged image data, and make startup alarm device or corresponding processing such as the shutdown of cutting off the electricity supply, continuation operation, thus guarantee human body safe infusion.But this infusion pump is in the nursing actual use in lesion, because the patient of transfusion is more, the nurse needs to check the duty that can know certain infusion pump or syringe pump in person before each sick bed, nurse's labor intensity strengthens like this, work efficiency is not high yet, especially when sick bed quantity was many, the nurse will have to run around all the time wears him out.
For the labor intensity that alleviates the nurse with increase work efficiency, people have proposed some control system and devices that carry out venous transfusion control and report to the police by wireless transmission, as: publication number is that CN2631517, denomination of invention are the application for a patent for invention of venous transfusion controlled in wireless and alarm device, and publication number is that CN2569357, denomination of invention are the application for a patent for invention of the wireless transfusion monitoring system of a kind of infrared type.Though these applications for a patent for invention can realize wireless transmission infusion parameter, the unusual and wireless remote alarming of teleprocessing transfusion theoretically,, ubiquitous problem is: do not have the data transmission safety safeguard measure!
Because hospital's electromagnetic interference source complexity, as: medical apparatus and instruments generally has stronger electromagnetic interference, the interference of mobile phone signal, the electric spark that the start-stop of consumer such as electric light, air-conditioning switch produces and then the electromagnetic interference of generation etc., all might constitute electromagnetic interference, influence the safety that data transmit the data of wireless transmission.And the transfusion monitoring system that does not have the data transmission security safeguard measure is to be difficult to satisfy hospital---a this special monitoring requirement that critical patient's application scenario is often all arranged!
Summary of the invention
Purpose of the present invention is intended to overcome above-mentioned the deficiencies in the prior art, proposing a kind of is not only for the work efficiency that improves the nurse, the workload that alleviates the nurse, the more important thing is and want to transmit infusion data safely and reliably, to satisfy the special monitoring requirement of hospital patient, particularly critical patient.
Realize the technical scheme of above-mentioned purpose:
A kind of method of CSRC transfusion is characterized in that may further comprise the steps:
A, detect the status data of each infusion monitor, described status data is encoded and form state data packets, send described state data packets with wireless transmission method again;
B, receive the state data packets that each infusion monitor sends and decode by the monitoring infusion center and obtain the status data of each infusion monitor, more described status data input and display device is shown;
C,, the monitoring infusion center sends answer signal after errorless when receiving described status data and verify;
D, after the infusion monitor of correspondence receives described answer signal, issue the voice messaging that described status data is successfully received by the monitoring infusion center by sound prompt device.
Further, described method also comprises the steps:
The control data that the user makes amendment to infusion monitor control parameter is accepted by input equipment in E, described monitoring infusion center;
Encoding described control data and form the control data bag in F, described monitoring infusion center, sends described control data bag with wireless transmission method again;
The described control data bag that G, infusion monitor will receive is decoded, and obtains described control data, and regulates and control the duty of described infusion monitor;
H,, infusion monitor sends answer signal after errorless when receiving described control data and verify.
The content of described status data comprises: the bed item, stop or amount of infusion that operation, type of alarm, syringe specification, user are set, transfusion speed, current accumulative total amount of infusion.The content of described control data comprises: transfusion speed, preset amount of infusion, stop, starting, remove, get express developed, off signal.
A kind of monitoring infusion management system is made up of a plurality of infusion monitoies and a monitoring infusion center; Described infusion monitor comprises first CPU, and first wireless communication module that is connected with described first CPU, described first CPU is with the oneself state data coding and the formation state data packets that collect, and described state data packets sends through first wireless communication module; Described monitoring infusion center comprises second CPU, and second wireless communication module and the display device that are connected with described second CPU, the state data packets of each infusion monitor that described second wireless communication module will receive is presented in the described display device through second CPU decoding output.
Described first and second wireless communication modules are to have receipts/sends out the wireless data communication module of function, and described monitoring infusion center also comprises an input equipment that is connected with second CPU; Described second CPU is encoded to the control data of importing through described input equipment, and the control data bag after will encoding sends by second wireless communication module; Described first wireless communication module receives described control data bag, and obtains described control data through the decoding of first CPU, controls the duty of described infusion monitor.
Further, also comprise sound prompt device, described sound prompt device is connected with first CPU, when first wireless communication module receives the answer signal that the monitoring infusion center sent when successfully receiving status data, successfully received pairing voice messaging to sound prompt device input state data by the monitoring infusion center by first CPU.
Adopt technique scheme, beneficial technical effects of the present invention is:
1, each infusion monitor adopts the mode transmit status supplemental characteristic of wireless transmission to the monitoring infusion center, therefore, the nurse both can check the duty of infusion pump before each sick bed, can save the inspection of each sick bed again, as long as before being sitting in the monitoring infusion center of nurse station, just can monitor the state parameter data of each infusion monitor by display screen real-time dynamicly, grasp the duty of each infusion pump.
2, adopt the mode of packet to transmit the oneself state data of each infusion monitor and the control data at monitoring infusion center, greatly avoided the electromagnetic interference of various electromagnetic interference sources to wireless transmission data, guaranteed the safety that data transmit, can satisfy special monitoring requirement fully various patients of hospital even critical patient!
3, adopt the mode reply to transmit packet, avoid receiving wrong data, cause misoperation, and avoid loss of data, cause misoperation or be failure to actuate, guaranteed the safety that data transmit further.
4, by on each infusion monitor, sound prompt device being set, the state parameter data that abnormal conditions infusion monitor occurred are sent to the information at monitoring infusion center safely and/or the result at monitoring infusion center are in time informed patient, can in time eliminate patient and entourage thereof worry, eliminate people's psychological burden abnormal conditions.
5, because the monitoring infusion center can change certain infusion monitor control parameter control data by the input equipment input at this center, and control data packing sent to specified infusion monitor, adjust and control the control parameter of this infusion monitor, therefore realized control to infusion monitor, thus realized to each infusion monitor in real time, monitor all sidedly and control.
6, adopt the method for circulation reads status data, the one, can effectively avoid the interference each other of each infusion monitor; The 2nd, can avoid the wrong of individual packet effectively or lose the loss that is caused, improved the functional reliability of system further.
In sum, the present invention is owing to adopt the method and system of unique wireless transmission method, both guaranteed safe and reliable monitoring is carried out in patient's transfusion, eliminated patient and entourage's thereof psychological burden, reduced simultaneously nurse's workload again, improve work efficiency, liberated nurse's labour force.
Description of drawings
Figure 1A and Figure 1B are the block diagram and the flow chart of existing infusion pump.
Fig. 2 is a system block diagram of the present invention.
Fig. 3 is an infusion pump workflow of the present invention.
Fig. 4 is a monitoring infusion central task flow process of the present invention.
Workflow when Fig. 5 adopts host computer as display for the monitoring infusion center.
The wireless communication module XE1201 block diagram that Fig. 6 adopts for the present invention.
The specific embodiment
With embodiment the present invention is described in further detail with reference to the accompanying drawings below:
Referring to Fig. 2, a kind of monitoring infusion management system is made up of a plurality of infusion monitoies 1 and a monitoring infusion center 2, and infusion monitor 1 comprises monitoring infusion and injects two kinds of monitoring, is referred to as infusion monitor.Described infusion monitor is except that comprising the part identical with existing infusion pump: pick off, display screen, man-machine interface such as keyboard or knob, motor and driver module, mechanical transmission mechanism, alarm device and first CPU, also comprise first wireless communication module and the sound prompt device that are connected with first CPU.Infusion monitor in running, status datas such as the pressure that the continuous pick-up transducers of first CPU is sensed, bubble, displacement, and judge and make and start the alarm device or shutdowns of cutting off the electricity supply, continue corresponding processing such as operation; Simultaneously, first CPU, the current oneself state data that will collect are earlier encoded according to certain data format, then, for fear of electromagnetic interference, improve the safety that data transmit, status data after will encoding again adopts and is packaged into state data packets, again state data packets is become radiofrequency signal after antenna sends by first wireless communication module, state data packets after the described packing can be by certain hour timed sending at interval, also can be to send at random when the infusion monitor duty changes; Described monitoring infusion center 2 comprises power supply, second CPU, reaches second wireless communication module that is connected with described second CPU and is connected display device and input equipment with second CPU; Second wireless communication module is reduced into status data and verification by reception antenna with the state data packets that receives after the decoding of second CPU (data are surrounded by set form, the check code of having an agreement, this packet is invalid if the check code of packet is incorrect, also having machine models in addition and have one-to-one relationship ID number, also is invalid if do not meet.) after, send the answer signal of receiving status data to first wireless communication module on the one hand, on the other hand status data is shown in display device.Display device has multiple, adopts display usually, promptly on display the status data of each infusion monitor is shown correspondingly with figure and digital mode.When the status data interval that sends very short, for example first wireless communication module is when send a packet second, bag dynamically change constantly transmits and receive data, therefore the status data of each infusion monitor that shows on display can be thought dynamic real-time, has realized real-time monitoring to each monitor by the monitoring center.
In system of the present invention, first and second wireless communication modules adopt to have receipts/sends out the wireless data communication module of function, and the monitoring infusion center also increases the input equipment as man-machine interface, as keyboard or knob.The control data that the user makes amendment to a certain infusion monitor control parameter is accepted by this input equipment in the monitoring infusion center, for example, changes the control data of infusion pump transfusion speed by the keyboard input.Second CPU at monitoring infusion center, earlier to encoding according to certain data format through the control data of input equipment input, then, for fear of electromagnetic interference, improve the safety that data transmit, the control data after will encoding again adopts the mode of packing and will receive that the answer signal of state data packets sends by second wireless communication module; Specify first wireless communication module of platform infusion monitor to receive described control data bag and above-mentioned answer signal by antenna, convert the control data bag that receives to described control data through the decoding of first CPU on the one hand, appointment platform infusion monitor is according to the control data adjustment and control its working status parameter, for example adjust and control the motor speed of service of infusion pump, make transfusion speed accelerate or slow down; On the other hand, first CPU is imported described status data according to the above-mentioned answer signal that receives to sound prompt device and is successfully received pairing information of voice prompt by the monitoring infusion center, so that in time eliminate whether patient and entourage thereof send to the monitoring infusion center to the information of status data, particularly abnormal conditions worry.Adopt sound prompt device to alleviate people's psychological burden dexterously.
Native system has not only been realized real-time monitoring and the safe transferring status data to every infusion monitor by the monitoring infusion center, also realized simultaneously by the monitoring infusion center to any infusion monitor status data of receiving reply and to the adjustment and the control of some control parameter of infusion monitor.
The wireless data communication module that first and second wireless communication modules are adopted with receipts/function, its transmitting power is less than 10mW, and transmission speed is 19200bps.Because the 10mW power that its power limits less than the Radio Management Commission, use need not the Radio Management Commission be ratified, and radiation is little, but also can reach 100 meters in the transmission range of open ground, can cover general lesion, satisfies the user demand of general hospital.Adopt wireless mode Data transmission between infusion pump and the monitoring infusion center, both can realize goal of the invention, again can be between the lesion/interior random setting and move each infusion monitor, and be not subjected to the restriction of position.
The infusion monitor operating state data that sends of regularly packing comprises: the bed item, stop or amount of infusion that operation, type of alarm, syringe specification, user are set, transfusion speed, current accumulative total amount of infusion, wherein type of alarm comprises: whether infusion pump or syringe pump occur blocking, whether infusion pump bubble occurs, perhaps operation mistake etc. whether occurs in the operation setting process that infusion pump is being opened the door/closed the door.The form of packet can be various, and the data packet format of a specific embodiment of the present invention is as follows:
Data packet length is 10 bytes, wherein:
The 1st byte: bed item
The 2nd byte: instrument number, the type of infusion pump/syringe pump
The 3rd byte: the high byte of speed is annotated: speed=1-5000
The 4th byte: the low byte of speed
The 5th byte: the high byte of cumulative amount is annotated: cumulative amount=1-9999
The 6th byte: the low byte of cumulative amount
The 7th byte: state byte: BIT7-----0=does not have 1=and blocks
It is approaching that BIT6-----0=does not have 1=
BIT5-----0=does not have 1=to be finished
It is in service that BIT4-----0=stops 1=
It is low that BIT3-----0=does not have the 1=cell voltage
BIT2-----0=does not have 1=and does not have
BIT1-----0=exchanges the 1=battery powered
BIT0-----keeps
The 8th byte: the high byte of preset value is annotated: preset value=1-9999
The 9th byte: the low byte of preset value
The 10th byte: keep
The primary sign of packet is set to 02, and terminal is set to 03.
In the packet of above-mentioned form, information combination by the 1st and the 2nd byte, determine a certain in a plurality of infusion monitoies, because of the situation that a sick bed limit is provided with two infusion monitoies occurring in actual applications, must could embody the uniqueness of infusion monitor by the information combination of byte 1 " bed item " and byte 2 " instrument number, the type of pump "; In the 7th byte the 0th and the 10th byte are reserve bytes, can be bubble, operation mistake etc. in the type of alarm according to circumstances, and other information that needs.
The control data that monitoring infusion center packing sends generally comprises: transfusion speed, preset amount of infusion, stop, starting, remove, get express developed, shutdown etc., the form of control data bag can be various, and the control data packet format of a specific embodiment of the present invention is as follows:
Data packet length is 10 bytes, wherein:
The 1st byte: bed item
The 2nd byte: instrument number, the type of pump
The 3rd byte: the high byte of speed, this byte is if 0XFF is then invalid
The 4th byte: the low byte of speed, if the 3rd byte is 0XFF, then this byte is invalid
The 5th byte: preset the high byte of amount of infusion, this byte is if 0XFF is then invalid
The 6th byte: preset the low byte of amount of infusion, if the 5th byte is 0XFF then this byte is invalid
The 7th byte:
The BIT7:1-shutdown
BIT6:1-starts
BIT5:1-stops
BIT4:1-removes
The BIT5:1-flushing
As BIT2, BIT1, when BIT0 is 111, the 7th byte is effective
The 8th byte: keep
The 9th byte: keep
The 10th byte: keep
In like manner, in the control data bag of above-mentioned form,, determine a certain in a plurality of infusion monitoies by the information combination of the 1st and the 2nd byte.
Fig. 3 and Fig. 4 illustrate the workflow at infusion monitor and monitoring infusion center.As seen from Figure 3, after the infusion monitor start, first CPU (CPU1) is read keyboard or knob continuously, the appointed information that the acceptor sets, and check whether the user changes the control parameter; In running, the status data that the continuous read sensor of CPU1 is sensed, and from first wireless communication module, read the control data bag, and the decoding of control data bag is reduced into the control parameter, the motor speed of service and state are controlled, make respective handling; Meanwhile, CPU1 also encodes the status data that collects and is packaged into state data packets, again state data packets is put into BUFFER; Again the state data packets among the BUFFER is write in described first wireless communication module and timed sending is gone out.As seen from Figure 4, the state data packets of each infusion monitor that second wireless communication module receives is read in second CPU (CPU2) at monitoring infusion center circulation, and obtains described status data by the CPU2 decoding; In display device, the status data of each infusion monitor is shown with figure and digital mode dynamic real-time ground on the one hand then, received the answer signal of status data on the other hand through the transmission of first wireless communication module; After first central processing unit CPU 1 receives above-mentioned answer signal by first wireless communication module, import described status data to sound prompt device and successfully received pairing information of voice prompt, in time eliminate patient and entourage's thereof worry by the monitoring infusion center.When the user revised certain infusion monitor control parameter control data by input equipment input, CPU2 was with the control data coding and be packaged into the control data bag, and then the control data bag write second wireless communication module and sent.
The processing method that table one has provided part answer signal type and monitoring infusion center after receiving, parameter comprises described in the table: speed, preset value, bed label, caliber, medicine name, weight in patients, injector length is blocked sensitivity, sensitivities of the level etc., different processing is made at the different monitoring infusions center of each parameter of sending according to each infusion monitor.
Table one
| Sequence number | The answer signal type | Processing method after main frame is received |
| 1 | Receive correctly, parameter is revised, and instruction is normally carried out. | Control sequence is finished, update displayed |
| 2 | Receive correctly, pipeline or syringe setup error, undated parameter can not execute instruction | Update displayed, the prompting nurse goes to processing |
| 3 | Receive correctly, blocking warning, can not undated parameter | Update displayed, the prompting nurse goes to processing |
| 4 | Receive correctly, just report to the police at bubble, can not undated parameter | Update displayed, the prompting nurse goes to processing |
| 5 | Receive correctly, move, can not undated parameter | Update displayed, the prompting nurse goes to processing |
| 6 | Receive correctly, the battery supplied deficiency, undated parameter can not execute instruction | Update displayed, the prompting nurse goes to processing |
| 7 | Receive error in data, request resends | Send wait acknowledge after reconfiguring packet |
In actual applications, the monitoring infusion center can be made up of receiver and computer two parts, and Fig. 5 is the workflow diagram of this version, is receiver section in the dotted line among the figure.Receiver comprises second wireless communication module and CPU2, and a RS232 interface; Display device and input equipment are realized that by computer computer is connected with the CPU2 communication by the RS232 communication interface.The benefit of doing like this is to utilize existing resource, utilizes a computer to install a receiver additional and just can realize the monitoring infusion center.
In specific embodiments of the invention, first and second wireless communication modules adopt identical receipts/the send out wireless data communication module of function that has, the XE1201 of Switzerland's product for example, and the public frequency of this module is 433MHz, aerial speed can reach 64000bps, and the functional block diagram of module as shown in Figure 6.When in infusion monitor, being used as first wireless communication module, the bus control end SD end SC end DE end and the EN end of XE1201 module are connected with CPU1 with the RXTX end, state data packets behind the coding is by the TXD end input of module, behind digital frequency synthesizer and manipulator, obtain a RF signal at the outfan RFOUT of RF power amplifier, launch by antenna again; As the reception control data time, by reception antenna the RF signal that receives is imported by the RFA end and the RFB end of module, behind filtering and demodulator, export the not control data bag of decoding at the RXD end.When XE1201 is used as second wireless communication module in the heart in monitoring infusion, equally, the bus control end SD end SC end DE end and the EN end of XE1201 module are connected with CPU2 with the RXTX end, control data bag behind the coding is by the TXD end input of module, behind digital frequency synthesizer and manipulator, obtain a RF signal at the outfan RFOUT of RF power amplifier, launch by antenna again; Or by reception antenna with RFA end and the input of RFB end of the RF signal that receives by module, behind filtering and demodulator, the state data packets of not decoding in the output of RXD end.
Be understandable that, for those of ordinary skills, can be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, and all these changes or replacement all should belong to the protection domain of the appended claim of the present invention.
Claims (3)
1. the method for CSRC transfusion is characterized in that:
The step that comprises following supervision infusion monitor duty:
A, detect the status data of each infusion monitor, described status data is encoded and form state data packets, send described state data packets with wireless transmission method again;
B, read the state data packets that each infusion monitor sends, and decode and obtain the status data of each infusion monitor, more described status data input and display device is shown by monitoring infusion center circulation.
C,, the monitoring infusion center sends answer signal after errorless when receiving described status data and verify;
D, after the infusion monitor of correspondence receives described answer signal, issue the voice messaging that described status data is successfully received by the monitoring infusion center by sound prompt device;
And the step of following control infusion monitor duty:
The control data that the user makes amendment to infusion monitor control parameter is accepted by input equipment in E, described monitoring infusion center;
Encoding described control data and form the control data bag in F, described monitoring infusion center, sends described control data bag with wireless transmission method again;
The described control data bag that G, infusion monitor will receive is decoded, and obtains described control data, and regulates and control the duty of described infusion monitor;
H,, infusion monitor sends answer signal after errorless when receiving described control data and verify.
2. method according to claim 1 is characterized in that: the content of described status data comprises: the bed item, stop or amount of infusion that operation, type of alarm, syringe specification, user are set, transfusion speed, current accumulative total amount of infusion; The content of described control data comprises:
Transfusion speed, preset amount of infusion, stop, starting, remove, get express developed, off signal.
3. a monitoring infusion management system is characterized in that: be made up of a plurality of infusion monitoies and a monitoring infusion center; Described infusion monitor comprises first CPU, and first wireless communication module that is connected with described first CPU, described first central authorities handle the oneself state data coding that will collect and form state data packets, and described state data packets sends through first wireless communication module; Described monitoring infusion center comprises second CPU, and second wireless communication module and the display device that are connected with described second CPU, the state data packets of each infusion monitor that described second wireless communication module will receive is presented in the described display device with second CPU decoding output; Described monitoring infusion center also comprises an input equipment that is connected with second CPU; Described second CPU is encoded to the control data of importing through described input equipment, and the control data bag after will encoding sends by second wireless communication module; Described first wireless communication module receives described control data bag, and obtains described control data through the decoding of first CPU, controls the duty of described infusion monitor; Described infusion monitor also comprises sound prompt device, be connected with first CPU, when first wireless communication module receives the answer signal that the monitoring infusion center sent when successfully receiving status data, successfully received pairing voice messaging to sound prompt device input state data by the monitoring infusion center by first CPU.
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| CNA2004100512720A CN1586643A (en) | 2004-08-27 | 2004-08-27 | Central control transfusion method and transfusion monitoring and managing system |
| CN 200510096914 CN1736498B (en) | 2004-08-27 | 2005-08-24 | Center monitoring infusion method and infusion monitoring and managing system |
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| CN101785885A (en) * | 2009-01-23 | 2010-07-28 | 深圳市深科医疗器械技术开发有限公司 | Method and system for monitoring and managing infusion |
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