CN101837154B - Transfusion monitoring system based on ZigBee technology - Google Patents
Transfusion monitoring system based on ZigBee technology Download PDFInfo
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- CN101837154B CN101837154B CN 201010179306 CN201010179306A CN101837154B CN 101837154 B CN101837154 B CN 101837154B CN 201010179306 CN201010179306 CN 201010179306 CN 201010179306 A CN201010179306 A CN 201010179306A CN 101837154 B CN101837154 B CN 101837154B
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Abstract
The invention discloses a transfusion monitoring system based on a ZigBee technology, comprising transfusion bottles, remaining liquid sensors of the transfusion bottles, a sensing signal preprocessing circuit, a management terminal positioned at a nurse station, and a client terminal positioned in a sickroom. The management terminal comprises an embedded host machine and a ZigBee network coordinator connected with the embedded host machine. The client terminal comprises a plurality of transfusion monitoring modules, and the transfusion monitoring modules comprise ZigBee modules, the transfusion bottles and the remaining liquid sensors of the transfusion bottles. The ZigBee modules and the ZigBee network coordinator of the management terminal form a wireless cellular network. In the system, collected data are sent back to the embedded management host machine to be processed through the network coordinator by the wireless ZigBee modules, and processing results are displayed in a real-time mode on a touch display screen in the mode of patterns. The system can realize the functions of recording and inquiring transfusion information and nurse visits, data statistics, and remaining liquid alarming very conveniently, can be widely applied in hospital transfusion rooms, and can greatly improve the transfusion management level.
Description
Technical field
The present invention relates to a kind of medical facilities, more particularly relate to a kind of transfusion monitoring system based on the ZigBee technology.
Background technology
Various places hospital major part is not all used transfusion monitoring system at present, and infusion process will rely on patient or guardian to carry out the personal monitoring, handles through wired mode nurse call when treating the transfusion end.Sometimes patient falls asleep, or nurse's processing speed waits accidental situation slowly, causes the blood back incident to take place easily, all brings very big mental pressure for like this patient and nurse.And the manual monitoring mode of this transfusion owing to can not carry out record to patient's transfusion situation, can't provide more effective data for issuable doctor-patient dispute in the future.
Existing scientific and technical literature also discloses some transfusion solutions; Mostly be to adopt wired mode or simple wireless data transmission, receive mode; But the construction of its whole system and more newly built construction is comparatively complicated; Autgmentability is poor, and the infusion alarm that is installed in sick bed also is difficult to freedom, moves neatly and inserts; Simultaneously, owing to can't realize networking monitoring, can't write down patient's infusion information.In addition, existing solution does not have nurse's writing function of making the rounds of the wards.
Summary of the invention
The object of the invention, promptly be to provide a kind of can solve above-mentionedly insufficiently can monitor infusion process, sound spectrogram reports to the police, and can write down the patrol transfusion monitoring system based on the ZigBee technology of information of patient's calling, patient information and nurse.
Each monitoring infusion module based on the technological transfusion monitoring system of ZigBee has low-power consumption, the characteristics of wireless penetration, and networking has quickly and easily solved the difficult problem that wired networking mode exists effectively.Owing to do not need loaded down with trivial details installation work, the networking time can significantly reduce, and reduces the interference time to normal medical work; Wireless network particularly during multiuser interface, does not have problems such as the wiring of cable network is mixed and disorderly, and maintenance is simple and fast very; Efficient is higher, can bring higher returns of investment to the user.The more important thing is that native system possesses data recording function, can be for historical data statistics, inquiry, printing function need be provided in the future.So just can improve the management level of hospital greatly.
In order to address the above problem preferably, the transfusion monitoring system that the present invention is based on ZigBee technology includes transfusion bottle and all the other liquid measure pick offs, and, be positioned at the management end of nurse station and be positioned at the client in ward; Its special feature is: said management end includes embedded host, and, the ZigBee network coordinator that adopts electric routine techniques to link to each other with this embedded host; Said each client respectively includes one or several monitoring infusion modules; Said each monitoring infusion module includes the ZigBee module, said transfusion bottle and all the other liquid measure pick offs, and, with said surplus liquid measure pick off and the transducing signal pre-process circuit of said ZigBee module to be electrically connected; The ZigBee network coordinator of said each ZigBee module and said management end is formed wireless cellular network.Said ZigBee network coordinator and ZigBee module can adopt chip such as the CC2430 that is built-in with RF transceiver and single-chip microcomputer, and setting works in two-way communication mode.CC2430 is a real System on Chip/SoC (SoC) CMOS solution, and can improve systematic function and satisfy with ZigBee is the 2.4GHz ISM wave band application on basis, and to low cost, the requirement of low-power consumption.
As the improvement to the transfusion monitoring system that the present invention is based on ZigBee technology, said each client includes at least one ward card reader module; Said ward card reader module includes the ward card reader, and, adopt the ZigBee module that is electrically connected with this card reader.
As another improvement to the transfusion monitoring system that the present invention is based on ZigBee technology, said each monitoring infusion module also includes a sick bed card reader; This sick bed card reader links to each other with electric means with ZigBee module in the monitoring infusion module of place.
In the such scheme, the present invention is based on the surplus liquid measure pick off that transfusion monitoring system adopted of ZigBee technology, both capacitance type sensor, also can be infrared sensor or LOAD CELLS, but preferably adopt diplopore beam type LOAD CELLS.And further; In the transducing signal pre-process circuit in the monitoring infusion module; Make full use of the characteristics of SOC; The digital band-pass filter that adopts 64 rank FIR bandpass filtering algorithms to generate is handled the medicinal liquid weight data, and the ability filtering due to illness movable perhaps other factors of people causes the interference that infusion bottle swing or vibrations cause.
As the further optimization to above-mentioned transfusion monitoring system based on ZigBee technology, said each monitoring infusion module also includes transfusion Radix Dipsaci unit, the automatic control of the Radix Dipsaci that is used to realize to infuse; This transfusion Radix Dipsaci unit includes the pinch off motor, receives the motor-driven worm screw of this pinch off, the worm gear that is meshed with this worm screw, and, be positioned at the tube for transfusion side and be used to control transfusion liquid in pipe break-make, with the co-axial cam of this worm gear; Said pinch off motor adopts motor, and the ZigBee module in passing through drive circuit and belonging to the monitoring infusion module links to each other with electric means.Said pinch off motor, worm screw, worm gear, cam all place in the box-like housing; Wherein one section of tube for transfusion is through being located at lower box wall and near the upper and lower draw-in groove of a side shell wall, being embedded in this housing.When transfusion finishes or need artificial end to infuse; The ZigBee module is according to the relevant input instruction or the signal that send from management end or ward/sick bed card reader or surplus liquid measure pick off; Drive circuit to the pinch off motor sends control signal, drives said pinch off motor, worm screw, worm gear and cam and rotates, when cam turns over certain angle; Block tube for transfusion, can realize stopping transfusion; Start the situation of transfusion, in like manner can push away.
In the above-mentioned transfusion monitoring system based on ZigBee technology, said nurse station embedded host adopts PC or is the main frame of processor with ARM.
In the above-mentioned transfusion monitoring system based on the ZigBee technology, the embedded host of said management end includes the data receiving processing module, data memory module, and; And/or, touch-screen display module, and/or, communication module; And dispose card reader, and/or, touch display screen.Said touch display module includes infusion bottle and all the other liquid measure analogue display units, and, surplus liquid alarm indicator unit.The network topology architecture of the ZigBee of said management end comprises Physical layer, data link layer and application layer from the bottom up.
In the above-mentioned transfusion monitoring system, also include call button in said each monitoring infusion module based on the ZigBee technology; Said call button links to each other with electric means with ZigBee module in the monitoring infusion module of place.
The present invention is based on the transfusion monitoring system of ZigBee technology; Modes such as employing weight method detect the residue medicinal liquid through pick off in real time;, send the embedded management main frame back to and handle the data process network coordinator that collects through the ZigBee wireless module, result shows the residue situation of medicinal liquid in real time on touch display screen with graphics mode; This system also has surplus liquid and reports to the police, infuses and finish the pinch off function on the basis that remains with traditional patient's call function; In conjunction with relevant software; But the utmost point realizes that easily infusion information and nurse patrol record and the inquiry in room, data statistics, printing function (like patient name; Transfusion beginning, concluding time, nurse patrol the ward time etc.); Each section office ward of hospital, Transfusion Room can be widely used in, the transfusion management level can be improved greatly.With advancing,, and help to significantly reduce the infuse workload of inspection of nurse because native system can effectively be realized the automatic monitoring of infusing; Thereby, can conveniently build the bad border of infusing easily, help improving doctor-patient relationship; Reduce doctor-patient dispute, thereby improve the work efficiency of ward medical monitoring.
The present invention is based on the technological transfusion monitoring system of ZigBee compared with prior art, have following advantage and effect:
A. system wirelessization, microminiaturization: adopt the ZigBee wireless technology to have multiple spot access capability and MANET function, capacity of resisting disturbance is strong, favorable expandability, and reliability is high, and topology property is good, and is low in energy consumption, cost is low;
B. utilize the networking degree of depth and the routing iinformation of monitoring infusion module and network coordinator MANET, but the real time record topology of networks change, and change into patient's change in location and berth transposing information monitored;
C. adopt weight method that the residue medicinal liquid is detected in real time, do not influence the property of medicine;
D. easy and simple to handle, have good interactive interface, can show the residue medicinal liquid in real time;
E. can inquire about historical data, have nurse ward record of patrol function.
F. can gather each patient's transfusion real time data, patient's call data in real time; Ward/sick bed card reader data; And with ZigBee technology wirelessly transmitting data; The nurse station embedded host receives data in real time, and effectively handles, controls, thereby realizes the patient infusion process is carried out Centralized Monitoring.
G. the present invention is provided with the function of automatic identification medicine bottle specification, promptly no matter adopts the bottle of the sort of specification, for example: and 100ml, 250ml, 500ml, discerned by the monitoring infusion module.
Description of drawings
Fig. 1 is the composition structural principle sketch map that the present invention is based on an embodiment of the technological transfusion monitoring system of ZigBee.
Fig. 2 is the composition structural principle sketch map that the present invention is based on an embodiment of the technological transfusion monitoring system of ZigBee.
Fig. 3 is the ZigBee honeycomb texture networking diagram that the present invention is based on an embodiment of the technological transfusion monitoring system of ZigBee.
Fig. 4 is the network structure optimization figure that the present invention is based on an embodiment of the technological transfusion monitoring system of ZigBee.
Fig. 5 is the hierarchical chart of nurse station management end of an embodiment that the present invention is based on the transfusion monitoring system of ZigBee technology.
Fig. 6 is the infusion set sketch map of sick bed side of an embodiment that the present invention is based on the transfusion monitoring system of ZigBee technology.
Fig. 7 is the unitary composition structural representation of transfusion Radix Dipsaci that the present invention is based on an embodiment of the technological transfusion monitoring system of ZigBee.
Description of reference numerals:
1-pinch off motor 2-housing 3-worm screw 4-worm gear 5-worm-wheel shaft 6-cam 7-tube for transfusion
8-call button 9-transfusion Radix Dipsaci unit 10-ZigBee module 11-battery 12-LOAD CELLS
The last draw-in groove 14-of 13-lower bayonet slot 15-ZigBee module controls box box body
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the transfusion monitoring system that the present invention is based on the ZigBee technology is done explanation further.
Fig. 1 and Fig. 2 are respectively the composition structural principle sketch maps that the present invention is based on two embodiment of the technological transfusion monitoring system of ZigBee.
As depicted in figs. 1 and 2; The transfusion monitoring system that the present invention is based on the ZigBee technology includes management end that is positioned at nurse station and the client that is positioned at the ward, is positioned at transfusion bottle and all the other liquid measure pick offs of client, and; Said management end includes embedded host; And with the ZigBee network coordinator that this embedded host links to each other through RS232, this network coordinator adopts the chip CC2430 and the peripheral circuit thereof that are built-in with wireless radio frequency circuit to form; Corresponding each ward of said each client respectively includes several monitoring infusion modules; Said each monitoring infusion module includes the ZigBee module that is made up of chip CC2430 and peripheral circuit thereof; Transfusion bottle and all the other liquid measure pick offs; And, the transducing signal pre-process circuit (omit among the figure and do not draw) that links to each other through the I/O mouth with said surplus liquid measure pick off and said ZigBee module; The ZigBee network coordinator of all each ZigBee modules and said management end is formed wireless cellular network.
Like Fig. 1, Fig. 2, the transfusion monitoring system that the present invention is based on the ZigBee technology shown in Figure 6, employing be diplopore beam type LOAD CELLS 12.This LOAD CELLS 12 can place on the crossbeam of infusion bottle hook top, also can be as shown in Figure 6, be horizontally fixed on the control box box body 15 at ZigBee module 12 places.The transducing signal pre-process circuit that is adopted is between ZigBee module and LOAD CELLS; Can adopt routine techniques; Specifically can include pre-process circuits such as disturbing inhibition, signal filtering and amplification; But can make full use of the characteristics of SOC, the digital band-pass filter that adopts 64 rank FIR bandpass filtering algorithms to generate is with the enhanced system interference free performance.
The transfusion monitoring system that the present invention is based on the ZigBee technology shown in Figure 1, its each client is that each ward includes a ward card reader module; Said ward card reader module includes the ward card reader, and, the ZigBee module that links to each other through the I/O mouth with this card reader.This card reader can be discerned and radio-frequency identification card read and write, and is used to write down the nurse and patrols information such as room.The transfusion monitoring system that the present invention is based on the ZigBee technology shown in Figure 2 is in each monitoring infusion module, to include a sick bed card reader; This sick bed card reader links to each other through the I/O mouth with ZigBee module in the monitoring infusion module of place.Cooperate related software, this card reader not only can be used for writing down the nurse and patrols an information, also can be used for writing down nurse's transfusion management information such as plug/unplug pin.
Like Fig. 1, Fig. 2, the transfusion monitoring system that the present invention is based on the ZigBee technology shown in Figure 7, said each monitoring infusion module also includes transfusion Radix Dipsaci unit, the automatic control of the Radix Dipsaci that is used to realize to infuse; This transfusion Radix Dipsaci unit 9 places in the housing 2; Include pinch off motor 1, the worm screw 3 that driven by this pinch off motor 1, the worm gear 4 that is meshed with this worm screw 3; And, be positioned at tube for transfusion 7 sides and be used to control tube for transfusion 7 liquid break-makes, with the cam 6 of this worm gear 4 coaxial 5; Said pinch off motor 1 adopts motor, and links to each other through the I/O mouth with ZigBee module in belonging to the monitoring infusion module through drive circuit (omit among the figure and do not draw).Among Fig. 7, pinch off motor 1, worm screw 3, worm gear 4, cam 6 all place in the box-like housing 2; Wherein one section of tube for transfusion 7 is through being located at lower box wall and near the upper and lower draw-in groove 13 and 14 of a side shell wall, being embedded in this housing 2.
The present invention is based in the transfusion monitoring system of ZigBee technology, also in said each monitoring infusion module, remain with traditional call button 8; Said call button 8 links to each other through the I/O mouth with ZigBee module 10 in the monitoring infusion module of place.
This is based on the nurse station embedded host in the transfusion monitoring system of ZigBee technology, can adopt PC or is the main frame of processor with ARM.
The present invention is based in the transfusion monitoring system of ZigBee technology, the embedded host of said nurse station management end includes data processing module as shown in Figure 5, database access module, graphical human-machine interface module, network communication module; And dispose card reader, touch display screen.Said touch display module includes infusion bottle and all the other liquid measure analogue display units, and; Surplus liquid alarm indicator unit; Can be according to the signal that receives from each client, dynamic analog is drawn up the height of corresponding infusion bottle liquid level, can realize surplus liquid sound spectrogram warning easily in conjunction with related software.The network topology architecture of the ZigBee of said management end comprises Physical layer, data link layer and application layer from the bottom up, and is as shown in Figure 4, saved Internet.
The present invention is based on the transfusion monitoring system of ZigBee technology, adopt the CC2430 radio frequency chip of TI company, it is the wireless singlechip with high-performance 8051 kernels, integrated circuit such as microcontroller, ZigBee RF front end and digital-to-analogue conversion on single chip.Protocol stack is developed according to the ZigBee agreement voluntarily, and can be optimized protocol stack according to using reality.
Because monitoring infusion module and ward card reader module data quantity transmitted are less, therefore adopt the cellular network topological structure that is prone to expansion.The IEEE address of each node is distributed unitedly in the network, and message purpose short address is all known, therefore adopts static PAN ID, direct massage pattern, in order to avoid produce network conflict.Host node COORD scanning channel, if the management level entity finds appropriate channel, then utilizing the information that obtains is PAN identifier of new network selecting.After network is set up successfully; Can start that each RFD carries out successively that the MAC layer resets, scan channel, PAN identifier are selected, connection request, if obtain request affirmation and the connection response of COORD, then RFD successfully networks; In addition; Uniqueness according to each node IEEE address has been set up the length Address Mapping, in the whole network operation, all uses 16 short address patterns but not 64 location patterns longways, to improve network transmission efficiency and network performance.
The transfusion monitoring system that the present invention is based on the ZigBee technology is in use in the section office ward; Figure is as shown in Figure 3 for its networking honeycomb texture; Adopt communication; Realized nurse station embedded host and each monitoring infusion module, the real-time Communication for Power between each ward card reader module, have convenient for installation and maintenance, stability is high, capacity of resisting disturbance is strong, low in energy consumption and the utilization rate advantages of higher.System is made up of nurse station embedded host, ZigBee network coordinator, a plurality of patient infusion monitoring module, a plurality of wards card reader module.The nurse station embedded host is positioned at nurse station, manages a plurality of infusion module and ward card reader module, can monitor several patients' transfusion, call case simultaneously through wireless network nurse on duty.
The present invention is based on the work process of the transfusion monitoring system of ZigBee technology: the monitoring infusion module at first converts amount of liquid medicine to the signal of telecommunication through diplopore beam type LOAD CELLS and pre-process circuit, and disturbs pretreatment such as inhibition, signal filtering and amplification; Through the built-in ADC of CC2430 data are sampled, quantized then, the digital signal that will obtain after will changing is again sent into the RF emitter sending network coordinator based on the ZigBee technology with patient's call information.Network coordinator will receive to such an extent that data are sent to the nurse station embedded host through RS232.The nurse station embedded host is handled the data that a plurality of wireless monitoring infusion modules provide respectively, and each patient's transfusion, call case shown, reports to the police.Ward/sick bed card reader reads nurse's ID card identifying information, gives ZigBee module through RS232, and the ZigBee module is core with CC2430, and treated data are sent to the RF transceiver of ZigBee technology and give network coordinator.Network coordinator is given the nurse station embedded host with the data that receive through RS232, and the nurse station embedded host carries out record to the information of nurse's inspection.Can monitor the patient's of whole section office transfusion overall process at the nurse station embedded host, handle and call out, and can inquire about, add up, print historical data.The nurse station embedded host adopts PC or is the main frame of processor with ARM; Adopt resistive touch screen; Card reader links to each other with embedded host with RS232, and printer links to each other with embedded host with the USB mode, and embedded host has the RJ45 network interface; Can link to each other with hospital server, data query and backup are provided.
Claims (9)
1. based on the transfusion monitoring system of ZigBee technology, include management end that is positioned at nurse station and the client that is positioned at the ward; It is characterized in that:
Said management end includes embedded host, and, adopt the ZigBee network coordinator that is electrically connected with this embedded host;
Each said client respectively includes one or several monitoring infusion modules; Each said monitoring infusion module includes the ZigBee module, transfusion bottle and all the other liquid measure pick offs, and, with said surplus liquid measure pick off and the transducing signal pre-process circuit of said ZigBee module to be electrically connected;
The ZigBee network coordinator of each said ZigBee module and said management end is formed wireless cellular network;
Said surplus liquid measure pick off adopts diplopore beam type LOAD CELLS; In the transducing signal pre-process circuit in the said monitoring infusion module, include the digital band-pass filter that adopts 64 rank FIR bandpass filtering algorithms to generate.
2. the transfusion monitoring system based on the ZigBee technology according to claim 1, it is characterized in that: each said client includes at least one ward card reader module; Said ward card reader module includes the ward card reader, and, adopt the ZigBee module that is electrically connected with this card reader.
3. the transfusion monitoring system based on the ZigBee technology according to claim 1, it is characterized in that: each said monitoring infusion module also includes a sick bed card reader; This sick bed card reader links to each other with electric means with ZigBee module in the monitoring infusion module of place.
4. according to the described transfusion monitoring system based on the ZigBee technology of one of claim 1 to 3, it is characterized in that: each said monitoring infusion module also includes transfusion Radix Dipsaci unit; This transfusion Radix Dipsaci unit includes the pinch off motor, receives the motor-driven worm screw of this pinch off, the worm gear that is meshed with this worm screw, and, be positioned at the tube for transfusion side and be used to control transfusion liquid in pipe break-make, with the co-axial cam of this worm gear; Said pinch off motor adopts motor, and the ZigBee module in passing through drive circuit and belonging to the monitoring infusion module links to each other with electric means; Said pinch off motor, worm screw, worm gear, cam all place in the box-like housing; Wherein one section of said tube for transfusion is through being located at lower box wall on it and near the upper and lower draw-in groove of a side shell wall, being embedded in this housing.
5. according to the described transfusion monitoring system based on the ZigBee technology of one of claim 1 to 3, it is characterized in that: it is the main frame of processor that said embedded host adopts with ARM.
6. according to the described transfusion monitoring system of one of claim 1 to 3, it is characterized in that the embedded host of said management end includes the data receiving processing module based on the ZigBee technology; Data memory module, touch-screen display module, and/or; Communication module, and dispose card reader.
7. the transfusion monitoring system based on the ZigBee technology according to claim 6, it is characterized in that: the network topology architecture of the ZigBee of said management end comprises Physical layer, data link layer and application layer from the bottom up.
8. the transfusion monitoring system based on the ZigBee technology according to claim 7 is characterized in that said touch-screen display module includes infusion bottle and all the other liquid measure analogue display units, and, surplus liquid alarm indicator unit.
9. according to the described transfusion monitoring system of one of claim 1 to 3, it is characterized in that, also include call button in each said monitoring infusion module based on the ZigBee technology; Said call button links to each other with electric means with ZigBee module in the monitoring infusion module of place.
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| CN 201010179306 CN101837154B (en) | 2010-05-21 | 2010-05-21 | Transfusion monitoring system based on ZigBee technology |
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| CN 201010179306 CN101837154B (en) | 2010-05-21 | 2010-05-21 | Transfusion monitoring system based on ZigBee technology |
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