Summary of the invention
Technical problem to be solved by this invention is: at the above-mentioned shortcoming of existing separate unit operation infusion pump, provide a kind of by a monitoring infusion center monitoring multichannel monitoring infusion equipment method and be used for the monitoring infusion management system of this method, make the nurse can just can check and grasp the duty of each infusion pump at the monitoring infusion center of nurse station, improve nurse's work efficiency, alleviate nurse's workload.
The present invention solves the problems of the technologies described above the technical scheme that is adopted to be:
A kind of method of CSRC transfusion comprises a plurality of infusion monitoies and a monitoring infusion center, said method comprising the steps of:
A, described each infusion monitor form state data packets after the oneself state data are encoded, and send described state data packets with wireless transmission method then;
The state data packets of each infusion monitor that B, described monitoring infusion center will receive is decoded, and shows the status data of described each infusion monitor in the display device at described monitoring infusion center.
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 C, described monitoring infusion center;
D, described monitoring infusion center form the control data bag after described control data is encoded, and send described control data bag with wireless transmission method;
The described control data bag that E, described infusion monitor will receive is decoded, and obtains described control data, and regulates and control the duty of described infusion monitor.
Described method, wherein: 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.
Described method, wherein: described each infusion monitor sends a packet every a second; The length of described state data packets is 10 bytes.
Described method, wherein: described control data comprises: transfusion speed, preset amount of infusion, stop, starting, remove, get express developed, shut down; The length of described control data bag is 10 bytes.
Described method, wherein: described infusion monitor comprises first CPU, and first wireless communication module that is connected with described first CPU; Described monitoring infusion center comprises second CPU, and second wireless communication module, display device and the input equipment that are connected with described second CPU.
Described method, wherein: described steps A may further comprise the steps:
A1, described first CPU are encoded the oneself state data that collect; And the encoding state data are put into BUFFER;
A2, write the encoding state data among the described BUFFER in described first wireless communication module and send;
Described step B may further comprise the steps:
The described encoding state data in described second wireless communication module are read in the circulation of B1, described second CPU, and described encoding state data are decoded obtain described status data;
B2, described status data are presented in the described display device with figure and digital mode;
Described step D also comprises: send answer signal after described status data is received at described monitoring infusion center; Described step D comprises following concrete steps:
The control data bag and the answer signal that form after the described control data that D1, described second CPU will receive is encoded write second wireless communication module;
D2, described second wireless communication module send described control data bag and answer signal;
Described step e may further comprise the steps:
E1, described first CPU read described control data bag and decode from first wireless communication module, be reduced into described control data;
E2, described first CPU are regulated and control the duty of described infusion monitor according to described control data.
A kind of monitoring infusion management system that is used for said method 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 sends the state data packets that the oneself state data coding back that collects forms 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 system, wherein: 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.
Described system, wherein: described second CPU and second wireless communication module constitute a receiver; Described display device and input equipment are by computer realization, and described computer is connected with described second CPU by the RS232 communication interface.
Beneficial effect of the present invention is: adopted above-mentioned method and monitoring infusion management system, because each infusion monitor adopts packing manner transmit status supplemental characteristic 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; Simultaneously, because the monitoring infusion center can also 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.Method and system of the present invention had both guaranteed that patient safety carried out transfusion operation reliably, had reduced nurse's workload again simultaneously, had improved work efficiency, had liberated nurse's labour force; And because wireless transmission method is adopted in the data transmission between infusion pump and the monitoring infusion center, the position of each infusion pump is moved unrestricted.
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 that is connected with first CPU.Infusion monitor in running, data 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, the current oneself state data that first CPU will collect are encoded according to certain data format, state data packets behind the coding becomes radiofrequency signal after antenna sends by first wireless communication module, described state data packets 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 with the state data packets that receives by reception antenna after the decoding of second CPU, and shows 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 is encoded according to certain data format to the control data through input equipment input, and the control data bag after will encoding and 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 by antenna, and convert described control data to through first CPU decoding, 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.Therefore, native system has not only been realized the real-time monitoring to every infusion monitor by the monitoring infusion center, has also realized simultaneously by the adjustment and the control of monitoring infusion center to some control parameter of any 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 OXFF is then invalid
The 4th byte: the low byte of speed, if the 3rd byte is OXFF, then this byte is invalid
The 5th byte: preset the high byte of amount of infusion, this byte is if OXFF is then invalid
The 6th byte: preset the low byte of amount of infusion, if the 5th byte is OXFF 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 the encoding state data are put into BUFFER; Again the encoding state data among the BUFFER are 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; Then in display device with the status data of each infusion monitor with figure and digital mode dynamic real-time show; When the user revised certain infusion monitor control parameter control data by input equipment input, CPU2 was the packing of control data coding, write second wireless communication module and sent.
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, status data 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 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.