CN103751883B - A kind of Portable intelligent transfusion management device - Google Patents
A kind of Portable intelligent transfusion management device Download PDFInfo
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- CN103751883B CN103751883B CN201310551091.3A CN201310551091A CN103751883B CN 103751883 B CN103751883 B CN 103751883B CN 201310551091 A CN201310551091 A CN 201310551091A CN 103751883 B CN103751883 B CN 103751883B
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Abstract
A kind of Portable intelligent transfusion management device provided by the invention, comprises an infusion hub manager, multiple infusion monitor and multiple nurse's manual terminal; Infusion monitor, nurse's manual terminal are connected with infusion hub manager respectively; Adopt grooved Photoelectric infrared switch as tube for transfusion liquid level detecting sensor, do not contact with medicinal liquid; Infusion hub manager is taken the whole situation into account and plan accordingly, scientific management; Intelligent, human oriented design, when there is infusion alarming, from trend infusion hub manager reporting conditions, smart allocation nurse processes, and improves the order of work of nurse's nursing efficiency and hospital; After transfusion terminates, automatically block transfusion, anti-return blood, safe and reliable; Without place restriction, without the need to wiring, simple to operate; There is the function that information stores, can information inquiry be supplied; Simple to operate, with low cost, capacity of resisting disturbance is strong, can be widely used in the transfusion room of medical and health industry.
Description
Technical field
The present invention relates to a kind of medical infusion management device, is that one can wireless receiving patient fluid infusion and warning message, and can according to transfusion and warning message, and intelligent scheduling nurse carries out a kind of Portable intelligent transfusion management device processed.
Background technology
At present, known infusion alarm is all after patient fluid infusion terminates, and send alarm signal to nurse station or nurse's handheld terminal in a wired or wireless fashion by infusion monitor, nurse processes accordingly according to the alarm signal received again.This mode is all the process of passive type.Centered by nurse station, reception is reported to the police, and each nurse needs to get back to nurse station just can learn do not have new warning, and cannot process next situation immediately after processing a situation.Centered by nurse's handheld terminal, reception is reported to the police, and sometimes several nurse may all go process situation simultaneously, and a certain nurse can not be specified to go process.Nurse's nursing efficiency is not all made to maximize in above-mentioned two situations.
Summary of the invention
For above-mentioned deficiency, the invention provides a kind of Portable intelligent transfusion management device.
A kind of Portable intelligent transfusion management device provided by the invention comprises an infusion hub manager, multiple infusion monitor and multiple nurse's manual terminal; Infusion monitor, nurse's manual terminal are connected with infusion hub manager respectively; Infusion hub manager is placed in nurse station, is placed on the tube for transfusion in ward when infusion monitor uses, every nurse one when nurse's manual terminal uses;
Infusion monitor comprises the abbreviation that a MCU(MCU is MicroControlUnit, and Chinese is single-chip microcomputer) and connected liquid level detecting sensor, tube for transfusion block device, the first wireless communication module, acousto-optic warning unit, the first keyboard unit, the first low voltage test unit and the first power supply.First keyboard unit is placed in infusion monitor machine box surface, and remaining is installed in infusion monitor machine box, and the side of infusion monitor machine box has a draw-in groove block tube for transfusion and machine box is also fixed on tube for transfusion;
The preferred Atmega16L single-chip microcomputer of one MCU;
Liquid level detecting sensor adopts grooved Photoelectric infrared switch as tube for transfusion liquid level detecting sensor, be arranged on tube for transfusion that tube for transfusion drips between kettle and infusion bottle, the slanted angle of the horizontal liquid level in the Infrared of Photoelectric infrared switch and tube for transfusion is 45 °, when utilizing direct projection, printing opacity is strong, and whether the liquid level that the principle that during refraction, printing opacity dies down detects in tube for transfusion arrives warning liquid level, the signal that liquid level detecting sensor detects is as the negative pole input signal of the analog comparater of a MCU, the positive pole input of the analog comparater of the one MCU is as detection threshold, when tube for transfusion liquid level is higher or lower than warning liquid level, the output of the analog comparater of the one MCU is high level, when tube for transfusion liquid level equals warning liquid level, due to liquid level just in time cutting liquid level detection sensor launch light, light reflects, liquid level detecting sensor receiving terminal light intensity is died down, the output of the analog comparater of the one MCU is low level, the analog comparater trailing edge triggered interrupts of the one MCU is set, obtain infusion-completed information,
Tube for transfusion block device adopts minisize dc reducing motor as servo control mechanism; The J930 type of the preferred 2-9V of minisize dc reducing motor, L9110S type DC motor Driver chip is selected in the driving of minisize dc reducing motor, minisize dc reducing motor is positioned at below liquid level detecting sensor, after one MCU obtains infusion-completed alarm signal, send command signal and control the rotation of minisize dc reducing motor, when the rotating disk of minisize dc reducing motor rotates counterclockwise, promote to block cutter with the gantry column that the driven by rotary disc rotating disk that minisize dc reducing motor axle is fixed protrudes to be moved to the left, close tube for transfusion, stopping infusion; On the contrary, when minisize dc reducing motor rotates clockwise, and the gantry column that the driven by rotary disc rotating disk fixed of minisize dc reducing motor axle protrudes promotes to block cutter and moves right, and opens tube for transfusion, continues transfusion;
Wireless communication module adopts GFSK modulation system module; The SRW1012 module that Luo Ni Electronics Co., Ltd. of wireless communication module preferred Shenzhen produces, operating frequency is 435MHZ, GFSK modulation system;
Infusion monitor is communicated with the second wireless communication module of infusion hub manager by the first wireless communication module; The transfusion that infusion monitor sends to infusion hub manager and warning message have: ward number, sick bed number, transfusion signal, change a bottle signal, pluck a bottle signal, call signal, under-voltage signal; Infusion hub manager sends answer signal to infusion monitor; Information is stored in the flash storage of infusion hub manager;
First keyboard unit comprises numeral method unit and push-button unit; Numeral method unit preferably adopts common cathode type charactron, and 74HC138 drives as charactron; Numeral method unit comprises the 3 Digital sum pipes of row and the 2 Digital sum pipes of lower row, and 3 figure places of the 3 Digital sum pipe compositions of upper row are as ward number, and 2 figure places of the 2 Digital sum pipe compositions of lower row are as sick bed number;
First keyboard unit push-button unit is provided with " setting " key, " putting a number " key, " pluck and a change " key, " calling " key, wherein " setting " key, " putting number " key and " calling " key adopt Independent keys form, and " pluck and change " key adopts self-locking button form;
First acousto-optic warning unit comprises a LED and buzzer;
First low voltage test unit adopts two series resistances to receive lithium battery both positive and negative polarity, the middle A/D detection signal exported as a MCU, and voltage, lower than being that electricity is not enough during 3.3V, charge;
First power acquisition 3.7V lithium battery, discharge cut-off voltage is 2.7V, and charging saturation voltage is 4.2V, and after the voltage stabilizing of XC6206P332MR voltage stabilizing chip, exporting 3.3V voltage is system power supply.
Infusion hub manager comprises the 2nd MCU and connected clock module, flash storage, the second wireless communication module, a LCD display unit, first sound light vibration alarm unit, the second keyboard unit, the second low voltage test unit and second source; The LCDs of the one LCD display unit, the second keyboard unit are all placed in the casing surface of infusion hub manager, and remaining is installed in the casing of infusion hub manager;
The preferred Atmega16L single-chip microcomputer of 2nd MCU;
Clock module is made up of DS1302 clock chip and connected external button battery; Clock module for marking transfusion and the date and time of warning message so that query history record;
Flash storage is for storing transfusion and warning message; 32M × 8 bit memory of the K9F5608U0C that preferred Sumsung company produces;
One LCD display unit is LCDs; Corresponding information can show at a LCD display unit;
Second keyboard unit adopts Independent keys form, is provided with " above a turning over " key, " under a turn over " key, " function " key and " determination " key;
First sound light vibration alarm unit comprises a LED, a buzzer and a vibrating motor;
One MCU of the 2nd MCU, the second wireless communication module, the second low voltage test unit, second source and infusion monitor, the first wireless communication module, the first low voltage test unit are identical respectively with the first power supply;
Second wireless communication module of infusion hub manager and nurse's manual terminal the 3rd wireless communication module with communicate; The data that infusion hub manager sends to nurse's manual terminal have: nurse's manual terminal address, ward number, sick bed number, transfusion signal, change a bottle signal, pluck a bottle signal, call signal, under-voltage signal, alert process suggestion signal, cancel alarm signal; The data that nurse's manual terminal sends to infusion hub manager have: nurse's manual terminal address, on-off state, just at processing signals, the signal that is disposed, be in idle signal, answer signal; Information is stored in the flash storage of infusion hub manager.
Nurse's manual terminal comprises the 3rd MCU and connected 3rd wireless communication module, the 2nd LCD display unit, rising tone light vibration alarm unit, the 3rd keyboard unit, the 3rd low voltage test unit and the 3rd power supply.2nd LCD display unit, the 3rd keyboard unit are installed in the portable casing surface of nurse's manual terminal, and remaining is installed in the portable casing of nurse's manual terminal;
The preferred Atmega16L single-chip microcomputer of 3rd MCU;
3rd keyboard unit is provided with " above a turning over " key, " under a turn over " key, " state " key and " determination " key; Wherein " above turn over " key, " under turn over " key and " determination " key and adopt Independent keys form, " state " key adopts self-locking button form;
2nd MCU of the 3rd MCU, the 3rd wireless communication module, the 2nd LCD display unit, rising tone light vibration alarm unit, the 3rd low voltage test unit, the 3rd power supply and infusion hub manager, the second wireless communication module, a LCD display unit, first sound light vibration alarm unit, the second low voltage test unit are identical respectively with second source.
the using method of a kind of Portable intelligent transfusion management device of the present invention is introduced in conjunction with the embodiments.
beneficial effect:a kind of Portable intelligent transfusion management device of the present invention has following characteristics: 1. infrared detection transfusion condition, does not contact with medicinal liquid; 2. reasonable in design, practical, be applicable to the infusion bottle (bag) of all size model and various liquid; 3. infusion hub manager is taken the whole situation into account and plan accordingly, command scheduling, scientific management; 4. intelligent, human oriented design, when there is infusion alarming, from trend infusion hub manager reporting conditions, smart allocation nurse processes, and improves the order of work of nurse's nursing efficiency and hospital; After infusion alarming, nurse can learn ward, sick bed number, infusion alarming type immediately, and nurse can grasp all transfusion condition; After transfusion terminates, automatically block transfusion, anti-return blood, safe and reliable; 5. alleviate patient and family members mental burden; 6. without place restriction, without the need to wiring, simple to operate; 7. there is the function that information stores, can information inquiry be supplied; 8. easy to manufacture, easy to use, simple to operate, with low cost, function is advanced, and capacity of resisting disturbance is strong, can be widely used in the transfusion room of medical and health industry.
Accompanying drawing explanation
Fig. 1 is a kind of block diagram of Portable intelligent transfusion management device structural representation.
Fig. 2 is a kind of block diagram of infusion monitor structural representation of Portable intelligent transfusion management device.
Fig. 2-1 is a kind of scheme of installation of liquid level detecting sensor of infusion monitor of Portable intelligent transfusion management device.
Fig. 2-2 is structural representation enlarged drawings of a kind of tube for transfusion block device of infusion monitor of Portable intelligent transfusion management device.
Fig. 2-3 is site plans of a kind of first keyboard unit of infusion monitor of Portable intelligent transfusion management device.
Fig. 3 is a kind of block diagram of infusion hub manager structural representation of Portable intelligent transfusion management device.
Fig. 3-1 is a kind of structural representation of the second keyboard unit of infusion hub manager of Portable intelligent transfusion management device.
Fig. 4 is a kind of block diagram of nurse's manual terminal structural representation of Portable intelligent transfusion management device.
Fig. 4-1 is a kind of structural representation of the 3rd keyboard unit of nurse's manual terminal of Portable intelligent transfusion management device.
Detailed description of the invention
embodiment 1as shown in Figure 1, a kind of Portable intelligent transfusion management device provided by the invention comprises an infusion hub manager, multiple infusion monitor and multiple nurse's manual terminal; Infusion monitor, nurse's manual terminal are connected with infusion hub manager respectively; Infusion hub manager is placed in nurse station, is placed on the tube for transfusion in ward when infusion monitor uses; Each nurse one when nurse's manual terminal uses.
As shown in Figure 2, infusion monitor comprises the abbreviation that a MCU(MCU is MicroControlUnit, and Chinese is single-chip microcomputer) and connected liquid level detecting sensor, tube for transfusion block device, the first wireless communication module, acousto-optic warning unit, the first keyboard unit, the first low voltage test unit and the first power supply.First keyboard unit is placed in infusion monitor machine box surface, and remaining is installed in infusion monitor machine box, and the side of infusion monitor machine box has a draw-in groove block tube for transfusion and machine box is also fixed on tube for transfusion.
One MCU adopts Atmega16L single-chip microcomputer.
As shown in Fig. 2-1, liquid level detecting sensor adopts grooved Photoelectric infrared switch 204 as tube for transfusion liquid level detecting sensor, be arranged on tube for transfusion that tube for transfusion drips between kettle 205 and infusion bottle 201, the Infrared 206 of Photoelectric infrared switch 204 is 45 ° with the slanted angle of the horizontal liquid level in tube for transfusion, when utilizing direct projection, printing opacity is strong, and whether the principle that during refraction, printing opacity the dies down liquid level detected in tube for transfusion arrives warning liquid level 203, the signal that liquid level detecting sensor detects is as the negative pole input signal of the analog comparater of a MCU, the positive pole input of the analog comparater of the one MCU is as detection threshold, when tube for transfusion liquid level is higher or lower than warning liquid level 203, the output of the analog comparater of the one MCU is high level, when tube for transfusion liquid level equals warning liquid level 203, due to liquid level just in time cutting liquid level detection sensor launch light, light reflects, liquid level detecting sensor receiving terminal light intensity is died down, the output of the analog comparater of the one MCU is low level, the analog comparater trailing edge triggered interrupts of the one MCU is set, infusion-completed information can be obtained.
As shown in Fig. 2-2, tube for transfusion block device adopts minisize dc reducing motor as servo control mechanism, minisize dc reducing motor selects the J930 type of 2-9V, L9110S type DC motor Driver chip is selected in the driving of minisize dc reducing motor, minisize dc reducing motor is positioned at below liquid level detecting sensor, after one MCU obtains infusion-completed alarm signal, send command signal and control the rotation of minisize dc reducing motor, when the rotating disk 207 of minisize dc reducing motor rotates counterclockwise, the gantry column 208 promotion blocking-up cutter 209 that rotating disk protrudes is driven to be moved to the left with the rotating disk 207 that minisize dc reducing motor axle is fixed, close tube for transfusion, stopping infusion, on the contrary, when minisize dc reducing motor rotates clockwise, and the rotating disk 207 that minisize dc reducing motor axle is fixed drives the gantry column 208 promotion blocking-up cutter 209 that rotating disk protrudes to move right, and opens tube for transfusion, continues transfusion.
Wireless communication module adopts GFSK modulation system module; The SRW1012 module that wireless communication module selects Luo Ni Electronics Co., Ltd. of Shenzhen to produce, operating frequency is 435MHZ, GFSK modulation system.
Infusion monitor is communicated with the second wireless communication module of infusion hub manager by the first wireless communication module; The transfusion that infusion monitor sends to infusion hub manager and warning message have: ward number, sick bed number, transfusion signal, change a bottle signal, pluck a bottle signal, call signal, under-voltage signal; Infusion hub manager sends answer signal to infusion monitor; Information is stored in the flash storage of infusion hub manager.
As Figure 2-3, the first keyboard unit comprises numeral method unit and push-button unit; Numeral method unit adopts common cathode type charactron, and 74HC138 drives as charactron.Numeral method unit, comprises the 3 Digital sum pipes of row and the 2 Digital sum pipes of lower row, and 3 figure places of the 3 Digital sum pipe compositions of upper row are as ward number, and 2 figure places of the 2 Digital sum pipe compositions of lower row are as sick bed number.First keyboard unit push-button unit is provided with " setting " key, " putting a number " key, " pluck and a change " key, " calling " key, wherein " setting " key, " number " key and " calling " key adopt Independent keys form, and " pluck and change " key adopts self-locking button form.
First acousto-optic warning unit comprises a LED and buzzer.
First low voltage test unit adopts two series resistances to receive lithium battery both positive and negative polarity, the middle A/D detection signal exported as a MCU, and voltage, lower than being that electricity is not enough during 3.3V, charge.
First power acquisition 3.7V lithium battery, discharge cut-off voltage is 2.7V, and charging saturation voltage is 4.2V, and after the voltage stabilizing of XC6206P332MR voltage stabilizing chip, exporting 3.3V voltage is system power supply.
As shown in Figure 3, infusion hub manager comprises the 2nd MCU and connected clock module, flash storage, the second wireless communication module, a LCD display unit, first sound light vibration alarm unit, the second keyboard unit, the second low voltage test unit and second source; One LCD display unit, the second keyboard unit are all placed in the casing surface of infusion hub manager, and remaining is installed in the casing of infusion hub manager.
Clock module is made up of DS1302 clock chip and connected external button battery; Clock module for marking transfusion and the date and time of warning message so that query history record.
Flash storage is for storing transfusion and warning message; Select K9F5608U0C32M × 8 bit memory that Sumsung company produces.
One LCD display unit is LCDs; Corresponding information can show at a LCD display unit.
As shown in figure 3-1, the second keyboard unit adopts Independent keys form, is provided with " above a turning over " key, " under turn over " key, " function " key and " determination " key.
First sound light vibration alarm unit comprises a LED, a buzzer and a vibrating motor.
One MCU of the 2nd MCU, the second wireless communication module, the second low voltage test unit, second source and infusion monitor, the first wireless communication module, the first low voltage test unit are identical respectively with the first power supply.
Second wireless communication module of infusion hub manager and nurse's manual terminal the 3rd wireless communication module with communicate.The data that infusion hub manager sends to nurse's manual terminal have: nurse's manual terminal address, ward number, sick bed number, transfusion signal, change a bottle signal, pluck a bottle signal, call signal, under-voltage signal, alert process suggestion signal, cancel alarm signal; The data that nurse's manual terminal sends to infusion hub manager have: nurse's manual terminal address, on-off state, just at processing signals, the signal that is disposed, be in idle signal, answer signal; Information is stored in the flash storage of infusion hub manager.
As shown in Figure 4, nurse's manual terminal comprises the 3rd MCU and connected 3rd wireless communication module, the 2nd LCD display unit, rising tone light vibration alarm unit, the 3rd keyboard unit, the 3rd low voltage test unit and the 3rd power supply; 2nd LCD display unit, the 3rd keyboard unit are installed in the portable casing surface of nurse's manual terminal, and remaining is installed in the portable casing of nurse's manual terminal.
As shown in Fig. 4-1, the 3rd keyboard unit is provided with " above a turning over " key, " under a turn over " key, " state " key and " determination " key; Wherein " above turn over " key, " under turn over " key and " determination " key and adopt Independent keys form, " state " key adopts self-locking button form.
2nd MCU of the 3rd MCU, the 3rd wireless communication module, the 2nd LCD display unit, rising tone light vibration alarm unit, the 3rd low voltage test unit, the 3rd power supply and infusion hub manager, the second wireless communication module, a LCD display unit, first sound light vibration alarm unit, the second low voltage test unit are identical respectively with second source.
the using method of a kind of Portable intelligent infusion alarm of the present invention is as follows:
1, infusion monitor using method is as follows:
(1) infusion bottle, tube for transfusion, infusion needle are connected;
(2) fixing infusion monitor; The side of infusion monitor machine box has a draw-in groove block tube for transfusion and machine box is also fixed on tube for transfusion; Open the first on and off switch of infusion monitor;
(3) ward number, sick bed number are set: " setting " key pressing the first keyboard unit, can select hundred of ward number 3 figure places that the first numeral method unit is arranged successively, ten, 2 figure places of the sick bed of unit numbers and lower row number ten, unit numbers; When selecting certain one-bit digital, this Digital sum pipe will glimmer, and carry out its numerical value of 0 to 9 varying cyclically by " putting number " key pressing the first keyboard unit; After ward number all sets with sick bed number, then click " setting " key, ward number will be exited and arrange with sick bed number;
(4) if there is input error, " setting " key can be pressed again, can correct information be re-entered;
(5) press " pluck and change " key of the first keyboard unit, button is pressed expression and is changed a bottle type of alarm, otherwise a bottle type of alarm is plucked in button expression of upspringing;
(6), after all settings complete, infusion monitor is communicated with the second wireless communication module of infusion hub manager by the first wireless communication module automatically; Infusion hub manager can by information storage in flash storage, and infusion monitor is in automatic state on duty;
(7) if patient has special care requirement, " calling " key is pressed; After nurse station receives call signal, instruction nurse processes;
(8) when infusion monitor voltage is lower than 3.3V, be considered as electricity deficiency, now buzzer sends the tweeting sound of " dripping ", LED light quick-flashing light sparkles, infusion monitor will block transfusion automatically, and infusion monitor is communicated with the second wireless communication module of infusion hub manager by the first wireless communication module automatically, send undervoltage warning signal, after nurse station receives call signal, instruction nurse processes;
(9), after in infusion bottle, medicinal liquid is totally lost, liquid level detecting sensor sends tube for transfusion liquid level lower than warning liquid level information, and the blocking vessel of infusion monitor will block transfusion automatically, anti-return blood occurs, buzzer will send the tweeting sound of " drip-drip " simultaneously, and LED light is glimmered, and remind patient; Infusion monitor is communicated with the second wireless communication module of infusion hub manager by the first wireless communication module automatically, sends change bottle or pluck a bottle alarm signal to infusion hub manager;
(10) nurse processes warning item; Nurse changes bottle in process, when plucking bottle and undervoltage warning, need press " setting " key, open tube for transfusion block device; Continue infuse, repeat by above-mentioned steps (1); No longer infuse, close monitoring infusion appliance mains switch, infusion monitor is taken off.
, infusion hub manager using method is as follows:
(1) infusion hub manager is placed in nurse station;
(2) open infusion hub manager on and off switch, the start of infusion hub manager is just in duty on duty;
(3) infusion hub manager receives transfusion and warning message, sends the prompting sound of " drip-drip-drip ", and alarm condition is transmitted to nurse's manual terminal of all on-line rapidly; Carry out sequencing display according to the warning order of priority changing bottle, pluck bottle from high to low, calling, battery undervoltage, transfusion and time order and function order, and according to the order of display, instruction nurse processes;
(4) after nurse processes instruction matters, nurse will send out the information processing instruction matters; Infusion hub manager will receive the signal that is disposed, and now can send to all online nurse's manual terminals and remove this warning message, and stored in flash storage, in order to checking;
(5) pressing the circulation of the second keyboard unit " function " key selects infusion hub manager to be in duty on duty, and check duty, date-time set condition, corresponding information can show at a LCD display unit; Press " determination " key to determine selected content;
When being in duty on duty, press " above turning over " key and " under turn over " key to check present infusion situation;
Be in when checking duty, press " above turning over " key and " under turn over " checks historical archive;
When being in date-time set condition, press " determination " key to select the year, month, day position on date and time time, minute, second position; Press " above turning over " key and " under turn over " sets date-time, press " function " key and complete setting;
(6) when having patient fluid infusion but do not have nurse's manual terminal online, infusion hub manager will send the alarm sound of long " drip-drip ", until there is nurse's manual terminal online, after accepting instruction, stop alarm;
(7) when infusion hub manager supply voltage is lower than 3.3V, will be considered as electricity deficiency, buzzer can send the alarm call of very brief " droplet " every 5 seconds, and reminding user charges in time; When infusion hub manager duty on duty, infusion hub manager can be charged always;
(8) determining without can by the power-off of infusion hub manager during patient fluid infusion.
, nurse's manual terminal using method is as follows:
(1) turn on the power switch, nurse's manual terminal is started shooting, and from trend infusion hub manager report boot-strap information, after start, nurse must carry with;
(2) the start number of nurse's manual terminal will represent nurse's number on duty;
(3), when nurse's manual terminal is started shooting at every turn, all present infusion situations that infusion hub manager is sent can be received;
(4) nurse's manual terminal receives the instruction that infusion hub manager is sent, the buzzer of rising tone light vibration alarm unit can send the auditory tone cues signal of twice " droplet-drip-drip " continuously, LED light is glimmered continuously, the vibration prompt signal that vibrating motor can send continuously " beep-beep-beep ", reminds nurse to receive warning message and processing instruction;
(5) treatment advice sent according to infusion hub manager of nurse, to send to infusion hub manager accept this processing instruction by pressing " determination " key;
(6) after nurse processes project, then press " determination " key, nurse's handheld terminal chance sends the complete signal of instruction process to infusion hub manager automatically, and now this warning message will be deleted;
(7) " above turning over " key is pressed and " under turn over " key checks infusion information, to check all infusion information in time;
(8) press " state " key and select in running order or idle condition, " state " key is pressed and is represented in running order, otherwise the expression of upspringing of " state " key is in idle condition;
(9) when the voltage of nurse's manual terminal is lower than 3.3V, be considered as electricity deficiency, now LCD can show 2 seconds " electricity is not enough; please charge " every 1 minute, with reminding user charging, if uncharged in three minutes, nurse's manual terminal is by automatic shutdown;
(10), during the shutdown of nurse's manual terminal, automatically will send power-off again after off-lined signal to infusion hub manager, infusion hub manager no longer will send information to this nurse's manual terminal.
Claims (6)
1. a Portable intelligent transfusion management device, is characterized in that, comprises an infusion hub manager, multiple infusion monitor and multiple nurse's manual terminal; Infusion monitor, nurse's manual terminal are connected with infusion hub manager respectively; Infusion hub manager is placed in nurse station, is placed on the tube for transfusion in ward when infusion monitor uses, every nurse one when nurse's manual terminal uses;
Infusion monitor comprises a MCU and connected liquid level detecting sensor, tube for transfusion block device, the first wireless communication module, acousto-optic warning unit, the first keyboard unit, the first low voltage test unit and the first power supply; First keyboard unit is placed in infusion monitor machine box surface, and remaining is installed in infusion monitor machine box, and the side of infusion monitor machine box has a draw-in groove block tube for transfusion and machine box is also fixed on tube for transfusion;
Liquid level detecting sensor adopts grooved Photoelectric infrared switch (204) as tube for transfusion liquid level detecting sensor, be arranged on tube for transfusion that tube for transfusion drips between kettle (205) and infusion bottle (201), the Infrared (206) of Photoelectric infrared switch (204) is 45 ° with the slanted angle of the horizontal liquid level in tube for transfusion, the signal that liquid level detecting sensor detects is as the negative pole input signal of the plan comparator of a MCU, the positive pole input of the analog comparater of the one MCU is as detection threshold, when tube for transfusion liquid level is higher or lower than warning liquid level (203), the output of the analog comparater of the one MCU is high level, when tube for transfusion liquid level equals warning liquid level (203), due to liquid level just in time cutting liquid level detection sensor launch light, light reflects, liquid level detecting sensor receiving terminal light intensity is died down, the output of the analog comparater of the one MCU is low level, the analog comparater trailing edge triggered interrupts of the one MCU is set, obtain infusion-completed information,
Tube for transfusion block device adopts minisize dc reducing motor as servo control mechanism, minisize dc reducing motor is positioned at below liquid level detecting sensor, after one MCU obtains infusion-completed alarm signal, send command signal and control the rotation of minisize dc reducing motor, when the rotating disk (207) of minisize dc reducing motor rotates counterclockwise, the rotating disk (207) fixing with minisize dc reducing motor axle drives the gantry column (208) that rotating disk protrudes to promote to block cutter (209) and is moved to the left, and closes tube for transfusion; On the contrary, when minisize dc reducing motor rotates clockwise, and the rotating disk (207) that minisize dc reducing motor axle is fixed drives the gantry column (208) promotion blocking-up cutter (209) that rotating disk protrudes to move right, and opens tube for transfusion;
Wireless communication module adopts GFSK modulation system module;
Infusion monitor is communicated with the second wireless communication module of infusion hub manager by the first wireless communication module; The transfusion that infusion monitor sends to infusion hub manager and warning message have: ward number, sick bed number, transfusion signal, change a bottle signal, pluck a bottle signal, call signal, under-voltage signal; Infusion hub manager sends answer signal to infusion monitor; Information is stored in the flash storage of infusion hub manager;
First keyboard unit comprises numeral method unit and push-button unit; Numeral method unit, comprises the 3 Digital sum pipes of row and the 2 Digital sum pipes of lower row, and 3 figure places of the 3 Digital sum pipe compositions of upper row are as ward number, and 2 figure places of the 2 Digital sum pipe compositions of lower row are as sick bed number; First keyboard unit push-button unit is provided with " setting " key, " putting a number " key, " pluck and a change " key, " calling " key, wherein " setting " key, " putting number " key and " calling " key adopt Independent keys form, and " pluck and change " key adopts self-locking button form;
First acousto-optic warning unit comprises a LED and buzzer;
First low voltage test unit adopts two series resistances to receive lithium battery both positive and negative polarity, the middle A/D detection signal exported as a MCU, and voltage, lower than being that electricity is not enough during 3.3V, charge;
First power acquisition 3.7V lithium battery, discharge cut-off voltage is 2.7V, and charging saturation voltage is 4.2V, and after the voltage stabilizing of XC6206P332MR voltage stabilizing chip, exporting 3.3V voltage is system power supply;
Infusion hub manager comprises the 2nd MCU and connected clock module, flash storage, the second wireless communication module, a LCD display unit, first sound light vibration alarm unit, the second keyboard unit, the second low voltage test unit and second source; The LCDs of the one LCD display unit, the second keyboard unit are all placed in the casing surface of infusion hub manager, and remaining is installed in the casing of infusion hub manager;
Clock module is made up of DS1302 clock chip and connected external button battery; Clock module is for marking the date and time of transfusion and warning message;
Flash storage is for storing transfusion and warning message;
One LCD display unit is LCDs;
Second keyboard unit adopts Independent keys form, is provided with " above a turning over " key, " under a turn over " key, " function " key and " determination " key;
First sound light vibration alarm unit comprises a LED, a buzzer and a vibrating motor;
One MCU of the 2nd MCU, the second wireless communication module, the second low voltage test unit, second source and infusion monitor, the first wireless communication module, the first low voltage test unit are identical respectively with the first power supply;
Second wireless communication module of infusion hub manager and nurse's manual terminal the 3rd wireless communication module with communicate; The data that infusion hub manager sends to nurse's manual terminal have: nurse's manual terminal address, ward number, sick bed number, transfusion signal, change a bottle signal, pluck a bottle signal, call signal, under-voltage signal, alert process suggestion signal, cancel alarm signal; The data that nurse's manual terminal sends to infusion hub manager have: nurse's manual terminal address, on-off state, just at processing signals, the signal that is disposed, be in idle signal, answer signal; Information is stored in the flash storage of infusion hub manager;
Nurse's manual terminal comprises the 3rd MCU and connected 3rd wireless communication module, the 2nd LCD display unit, rising tone light vibration alarm unit, the 3rd keyboard unit, the 3rd low voltage test unit and the 3rd power supply; 2nd LCD display unit, the 3rd keyboard unit are installed in the portable casing surface of nurse's manual terminal, and remaining is installed in the portable casing of nurse's manual terminal;
3rd keyboard unit is provided with " above a turning over " key, " under a turn over " key, " state " key and " determination " key; Wherein " above turn over " key, " under turn over " key and " determination " key and adopt Independent keys form, " state " key adopts self-locking button form;
2nd MCU of the 3rd MCU, the 3rd wireless communication module, the 2nd LCD display unit, rising tone light vibration alarm unit, the 3rd low voltage test unit, the 3rd power supply and infusion hub manager, the second wireless communication module, a LCD show single
Unit, first sound light vibration alarm unit, the second low voltage test unit and second source are identical respectively.
2. a kind of Portable intelligent transfusion management device as claimed in claim 1, is characterized in that, a described MCU, the 2nd MCU, the 3rd MCU all select Atmega16L single-chip microcomputer.
3. a kind of Portable intelligent transfusion management device as claimed in claim 1, it is characterized in that, the first described wireless communication module, the second wireless communication module, the equal selection work frequency of the 3rd wireless communication module are the wireless communication module of 435MHZ, GFSK modulation system.
4. a kind of Portable intelligent transfusion management device as claimed in claim 1, it is characterized in that, described tube for transfusion block device adopts the minisize dc reducing motor of the J930 type of 2-9V as servo control mechanism, and L9110S type DC motor Driver chip is selected in the driving of this minisize dc reducing motor.
5. a kind of Portable intelligent transfusion management device as claimed in claim 1, is characterized in that, the numeral method unit of the first described keyboard unit adopts common cathode type charactron, and 74HC138 drives as charactron.
6. a kind of Portable intelligent transfusion management device as claimed in claim 1, is characterized in that, described flash storage adopts 32M × 8 bit memory.
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