CN2827394Y - Medical automatic monitoring device for transfusion - Google Patents

Abstract

The utility model relates to a medical automatic monitor for transfusion, which relates to a medical monitor for transfusion. The utility model needs to solve the technical problems that a monitor is provided and the monitor has the advantages that the operation is simple, the utility model can operate for more than twenty hours and is melted in a wired alarm system of a hospital. The utility model has the technical scheme that the utility model comprises an alarm display system and a signal acquisition system. The utility model is characterized in that the signal acquisition system is composed of an infrared transmission pipe, an infrared reception pipe, a phase inverter, an encoder, and a transmitter, and the signal acquisition system transmits signals through an antenna. An alarm system is composed of a microporocessor system, a decoder, a receiver, a blockage and evacuation alarm, a timer and a sound editor, and the sound editor is connected to a sickroom calling system. The utility model is suitable for the monitor for transfusion.

Description

Medical automatic infusion monitor

Technical field:

This utility model relates to the medical infusion monitor.

Background technology

Infusion treatment is the conventional means of doctor to patient, present infusion treatment mode, and except that the critical illness people adopts the infusion pump treatment, most gravity infusion treatment modes that adopt.Infusion pump is not popularized owing to cost an arm and a leg, and the gravity transfusion is the main mode of infusion treatment.Yet this infusion treatment mode needs patient, the people that accompanies and attends to, the nurse often monitors or make an inspection tour, and prevents medicinal liquid emptying and obstruction, because medicinal liquid emptying and to stop up patient all be dangerous.For guaranteeing that patient is in the infusion treatment process safe, existing a kind of monitoring infusion device of forming by digital circuit and single chip microcomputer, record gravity infusion process Chinese medicine drop speed by optoelectronic induction, calculate through single chip microcomputer, how long obtain whole infusion process needs, then with this data storage in monitor, need change the time input information of liquid by patient, then monitor send chimes of doom and show patient the bed item, the nurse with the monitor band at one's side, the prompting nurse change liquid to patient.But present monitor exists chimes of doom to disturb patient, monitor can not adopt the speed of dripping of cable power, demonstration to change greatly, and show value instability, infusion process problem such as false alarm phenomenon and complex operation occurs and influence its clinical practice.

The utility model content

This utility model technical issues that need to address provide a kind of simple to operate, can continuous operation more than 20 hours, and incorporate the monitor of the wired alarming system of hospital.

The technical solution of the utility model comprises alarm display system and signal acquiring system, it is characterized in that signal acquiring system is made up of pick off infrared transmitting tube, infrared receiving tube, phase inverter, encoder and emitter; Pick off infrared transmitting tube positive pole connects current-limiting resistance, minus earth; The infrared receiving tube positive pole connects control current potential resistance and links to each other the infrared receiving tube minus earth with the phase inverter base stage; The grounded emitter of phase inverter, the colelctor electrode of phase inverter connects the output control pin of encoder; Encoder is made of IC2262, and TE is an encoder output control pin, encoder OSC ₁Foot and OSC ₂Foot connects the encoder oscillation resistance, and encoder OUT foot is connected with emitter 3 feet through load resistance; Transfusion capacity data gauge tap S1, S2, S3, S4 connect encoder A, B, C, D foot respectively; Encoder is by the electric current of current-limiting resistance restriction input coding device; Emitter is made of IC315A, and emitter 1 foot connects positive pole, 2 foot ground connection; When transmitter receipt promptly sends to warning system by antenna with signal after data; Warning system is made up of microprocessor system, decoder, receptor, obstruction emptying alarm, intervalometer and voice edition device; Microprocessing systems is made of IC74LS373, IC2716,8155, and its outside main input, output interface are: the microprocessor clock circuit that crystal oscillator, electric capacity are formed meets microprocessor X ₁, X ₂Foot, capacitor C ₁, resistance R ₁, R ₂Points of common connection connect the RESET foot; Drip number signal input counting T ₁, drip speed and drip number signal input counting T ₂Be connected to decoder VT foot jointly; Microprocessor interrupts the OUT foot that input port INT0 pin is connected to alarm, and microprocessor Y foot connects voice edition device Z foot; Timing microprocessor interrupts input port T2EX pin and is connected to switch S 2 feet 3, the H of microprocessor ₂Foot is connected to display G ₂Show and drip speed; The H of microprocessor ₁Foot meets display G ₁The transfusion device capacity input port P1.3 of microprocessor, P1.2, P1.1, P1.0 pin correspondence are connected to decoder pin A, B, C, D; Decoder is made of IC2272, decoder OSC ₁And OSC ₂Connect the oscillation resistance of decoder; Decoder OSC ₁And OSC ₂Foot meets oscillation resistance R ₃, produce certain frequency for decoder functions; Receptor is made of IC315B, and pin 1 is just connecing power supply, 2 ground connection, and receptor connects decoder DIN foot by 3 feet through load resistance; The display current-limiting resistance connects display and ground respectively; Alarm is made up of IC555, alarm pin A ₁, A ₂Connect resistance R ₅With capacitor C ₄Audion Q ₁Base stage through resistance R ₆Connect the VT foot of decoder, audion Q ₁Collector connecting transistor Q ₂Base stage and current-limiting resistance R ₉, current-limiting resistance R ₉Just connect power supply, current-limiting resistance R ₉With audion Q ₁The common point that colelctor electrode connects is connected to alarm pin T ₁Intervalometer is made up of IC5369, IC4017, and its RESET foot is connected with the RESET foot of microprocessor; The T of intervalometer ₁Foot meets 1 foot of switch S 2, T ₂Connect 2 feet of switch S 2; The voice edition device is made of IS22012, its X ₀, X ₁Foot is connected to ward calling system trigger switch pin T ₀, T ₁, X ₂Foot meridian capacitor is coupled to ward calling system MIC pin, the O of voice edition device ₁, O ₂Foot connects buzzer LS respectively ₁, LS ₂, alarm lamp D ₂

But the utility model has the advantages that the signal acquiring system continuous operation more than 20 hours, it is mobile in the 50m scope to make patient carry transfusion device, and does not influence the control action of monitor; Adopt transmission of wireless signals, alarm display system can adopt cable power and make monitor and the combination of the calling system of hospital.

Description of drawings

What Fig. 1 represented is the signal acquiring system circuit diagram.

What Fig. 2 represented is the warning system circuit diagram.

The specific embodiment

This utility model comprises the alarm display system and the signal acquiring system of transmission of wireless signals.Signal acquiring system circuit structure (Fig. 1) is by pick off infrared transmitting tube D ₁, infrared receiving tube D ₂, phase inverter Q ₁, encoder U ₁, emitter U ₂, form pick off infrared transmitting tube D ₁Anodal connecting resistance R ₄, minus earth, it passes through R ₄Send infrared light directive receiving tube D after the current limliting ₂, receiving tube D ₂Anodal connecting resistance R ₅And with phase inverter Q ₁Base stage links to each other, receiving tube D ₂Minus earth, phase inverter Q ₁Colelctor electrode meets encoder U ₁The TE foot, when no dropping liquid when the pick off, receiving tube D ₂Resistance is very little, phase inverter Q ₁Base potential is tending towards " 0 ", phase inverter Q ₁Be in cut-off state, phase inverter Q ₁Collector potential is a high potential; Otherwise, when dropping liquid passes through pick off, receiving tube D ₂Resistance is very big, phase inverter Q ₁Base potential is " 1 ", phase inverter Q ₁Be in conducting state, phase inverter Q ₁Collector potential is an electronegative potential, encoder work; Encoder U ₁Form encoder U by IC2262 ₁Kind coding surplus can having 500, encoder U ₁Output control pin TE low level is effective, encoder U ₁Oscillation resistance R ₂Meet the OSC of encoder ₁And OSC ₂Produce certain frequency for encoder work, output load resistance R ₁Meet emitter U respectively ₂ Foot 3 and encoder U ₁OUT, data control switch S ₁, S ₂, S ₃, S ₄Meet encoder U respectively ₁A, B, C, D; Closed S ₁～S ₄, A～D foot is " 0 ", otherwise is " 1 "; S ₁～S ₄Be expressed as the setting of transfusion capacity 100ml, 150ml, 250ml, 500ml respectively; Data edition current-limiting resistance R ₃Restriction input coding device U ₁Electric current; When the transfusion device dropping liquid passes through pick off, encoder U ₁TE be low level, data are by encoder OUT output, through resistance R ₁By emitter U ₂Output; Otherwise, when transfusion device does not have dropping liquid by pick off, encoder U ₁TE be high level, encoder U ₁Forbidden data output; Emitter U ₂Be made up of IC315A, its 1 foot connects positive pole, and 3 feet meet load resistance R ₁, receive data, 2 foot ground connection; As emitter U ₂Promptly signal is sent to warning system after receiving data by antenna;

Warning system circuit structure (Fig. 2) is by microprocessor CPU system, decoder U ₂, receptor U ₃, stop up emptying alarm U ₄, intervalometer U ₅And voice edition device U ₆Form, microprocessing systems CPU is made of IC74LS373, IC2716,8155, and its outside main input, output interface are: (1) crystal oscillator Y, capacitor C ₁, C ₃Form the microprocessor clock circuit, capacitor C ₁And capacitor C ₂Y is connected with crystal oscillator, meets the X of microprocessor CPU respectively ₁, X ₂, produce certain frequency and get finger for microcomputer; Press button S ₁, capacitor C ₁, resistance R ₁, R ₂Formation resets, capacitor C ₁, resistance R ₁, R ₂Points of common connection connect the RESET foot of microprocessor CPU, press button S ₁Reset directly for the RESET high level, pass through capacitor C after the start ₁Reset directly for the RESET high level; (2) (ml) of microprocessor CPU drips number signal input counting T ₁, drip speed and drip number signal input counting T ₂Be connected to decoder U jointly ₂The VT foot, its signal is counted its signal respectively from the positive pulse signal that the VT foot produces; (3) INT0 of microprocessor CPU interrupts the input port, and its pin is directly to alarm U ₄The OUT foot, low level is effective; As alarm U ₄When meeting emptying, stopping state, its OUT foot can produce a negative pulse to INT0, and microprocessor CPU interrupts immediately, and produces one group of signal at the Y foot, sending voice editing machine U ₆The Z human hair combing waste go out warning message; (4) timing of microprocessor CPU is interrupted input port T2EX pin directly to switch S 2 feet 3, as intervalometer U ₅Then promptly at its T ₁Or T ₂Produce the T2EX pin of a negative pulse on the pin, microprocessor CPU is produced regularly interrupt, and calculate one group of data signal, at the H of microprocessor CPU by program to microprocessor CPU ₂Pin output, H ₂Be connected to display G ₂, by display G ₂Show and drip speed; (5) drip number signals input counting by program setting and be stored in the program storage, as enumerator T ₁When counting was expired 1ml, microprocessor CPU produced and interrupts, and at its H ₁Foot is exported one group of data, by G ₁Residue ml display subtracts 1 and shows residue ml number, judges whether simultaneously to remain 30ml, 20ml, 10ml, returns counting as "No", also will produce one group of signal at its Y foot as "Yes", send U ₆Voice edition device Z human hair combing waste goes out warning message.(6) P1.0～P1.3 of microprocessor CPU is transfusion device capacity input port, and its pin correspondence is connected to decoder pin A～D; As receptor U ₃After receiving the data signal that signal acquiring system sends, by its pin 3 through R ₄Flow to decoder U ₂Pin DIN promptly produces a positive pulse at its pin VT through decoder decode after effectively, and produces P1.0～P1.3 foot that one group of transfusion device capacity setting signal send microprocessor CPU at its pin A～D, after the microprocessor CPU routine processes promptly at G ₁Residue ml display capacity of display setting value; R ₇, R ₈Be display G ₁, G ₂Current-limiting resistance connects display and ground respectively; Decoder U ₂Constitute R by IC2272 ₃Be the oscillation resistance of decoder, its foot meets the OSC of decoder respectively ₁And OSC ₂, produce certain frequency for decoder functions; Receptor U ₃Form by IC315B, receptor with the data received through its pin 3 and R ₄Load resistance send decoder DIN, and its pin 1 is just connecing power supply, and 2 ground connection receive coverage 50m; Alarm U ₄Form resistance R by IC555 ₅With capacitor C ₄Be connected to alarm pin A ₁, A ₂, audion Q ₁Base resistance R ₆, meet decoder VT, audion Q ₁Collector connecting transistor Q ₂Base stage and current-limiting resistance R ₉, R ₉Resistance connects power supply and is just reaching audion Q ₁Colelctor electrode, resistance R ₉With audion Q ₁The common point that colelctor electrode connects is connected to alarm pin T ₁When transfusion device was in normal dropping liquid, receptor was constantly received the signal that signal acquiring system is sent here, constantly produced positive pulse at its pin VT after decoder decode is effective, and positive pulse signal is through R ₆, audion Q ₁, Q ₂Constantly at alarm pin T ₁And A ₁, A ₂The place produces positive pulse and negative pulse, makes alarm be in normal operating conditions; When transfusion device was in obstruction and emptying state, receptor can not receive the signal that signal acquiring system is sent here, and decoder VT foot is output as " 0 ", at this moment audion Q ₁, Q ₂Be in cut-off state, alarm T ₁Foot is " 1 ", its A ₁, A ₂The foot current potential is by R ₅Through C ₄Charge to " 1 " (time-delay), and in its OUT pin output " 0 ", promptly microprocessor CPU foot INT0 is that " 0 " microprocessor CPU produces interruption, the output of output alarm signal sending voice editing machine; Intervalometer U ₅Be made up of IC5369, IC4017, its RESET foot is connected with the RESET foot of microprocessor CPU, and start promptly resets; Regularly will be during intervalometer work at its T ₁, T ₂Foot produces pulse, and the cycle is 60s, 2s; Intervalometer U ₅T ₁Connect 1 foot of switch S 2; T ₂Connect 2 feet of switch S 2; When switch S 2 was allocated to 1 foot, the every 60s of intervalometer produced the T2EX pin that a negative pulse is sent microprocessor CPU, and microprocessor CPU interrupts, and exports one group of data signal by program, at the H of microprocessor CPU ₂Pin output, H ₂Be connected to display G ₂, by display show to drip speed/minute; When switch S 2 was allocated to 2 feet, the every 2s of intervalometer produced the T2EX pin that a negative pulse is sent microprocessor CPU, and microprocessor CPU interrupts, and exports one group of data signal by program, at the H of microprocessor CPU ₂Pin output, H ₂Be connected to G ₂Display, by display show to drip speed/minute; Cycle of 2s shows drips speed, is for the nurse can be adjusted as early as possible and definite transfusion drip speed, and the cycle of 60s shows and drips speed, is to be that the stable speed of dripping shows, because of the speed of dropping liquid and dropping liquid, and non-linear, the sampling period is too short a fast unstable phenomenon can to occur showing;

Voice edition device U ₆Constitute its X by IS22012 ₀, X ₁Foot is connected to ward calling system trigger switch pin T ₀, T ₁, X ₂Foot meridian capacitor C ₅Be coupled to ward calling system MIC pin, O ₁, O ₂Foot connects buzzer LS respectively ₁, LS ₂, alarm lamp D ₂With buzzer LS ₁, LS ₂Public connection; As the full 1ml of counting, microprocessor CPU sends instruction, G ₁Show that number subtracts 1, subtrahend is during to 30ml, and microprocessor CPU sends instruction by the Y mouth, and the voice edition device sends " 30ml " audio alert, send the ward calling system; 20ml when transfusion residue ml number is reduced as 10ml, sends in the instruction of " 10ml " audio alert O at microprocessor CPU successively ₁Produce low level, change liquid alarm buzzer LS ₂Send chimes of doom, alarm lamp D ₂Flicker points out this transfusion device need change liquid; When occurring stopping up the emptying phenomenon, microprocessor CPU sends interrupt instruction, and data are by the output of Y mouth, and the voice edition device sends " fault " warning and send the ward calling system, simultaneously, and O ₂Produce low level, change liquid alarm buzzer LS ₁Send chimes of doom, alarm lamp D ₂This transfusion device fault is pointed out in flicker.

This utility model has been used receptor and encoder, data long distance is received, and transfer of data is correct; Used obstruction emptying warning system and realized stopping up the emptying warning, the delay function of warning system has been got rid of the false alarm phenomenon; Timing system realizes that display speed is more stable, and preliminary definite speed of dripping is quick; The voice edition device makes warning intelligent more, neither disturbs patient, has pointed out the medical worker again.

Claims (1)

1. medical automatic infusion monitor comprises alarm display system and signal acquiring system, it is characterized in that signal acquiring system is made up of infrared transmitting tube, infrared receiving tube, phase inverter, encoder and emitter, the infrared transmitting tube positive pole connects current-limiting resistance, minus earth, the infrared receiving tube positive pole connect control current potential resistance and link to each other with the phase inverter base stage, minus earth, phase inverter grounded emitter, colelctor electrode meet encoder output control pin, the OSC of encoder ₁With OSC ₂Foot connects oscillation resistance, encoder OUT foot is connected with emitter 3 feet through load resistance, transfusion capacity data gauge tap connects encoder A, B, C, D foot respectively, and encoder is by the current-limiting resistance input current, and emitter 1 foot connects positive pole, 2 foot ground connection, sends signal by antenna; Warning system is made up of microprocessor system, decoder, receptor, obstruction emptying alarm, intervalometer and voice edition device, and microprocessing systems input, output interface are: meet microprocessor X ₁, X ₂The microprocessor clock circuit that the crystal oscillator of foot, electric capacity are formed, electric capacity (C ₁), resistance (R ₁, R ₂) points of common connection connect the RESET foot, drip number signals input counting T ₁, drip speed and drip number signal input counting T ₂Be connected to decoder VT foot jointly, microprocessor interrupts input port INT0 pin device OUT taking alarm foot, and microprocessor Y foot connects voice edition device Z foot, and timing microprocessor interrupts input port T2EX pin and meets switch (S2) foot 3, the H of microprocessor ₂Foot meets display (G ₂), the H of microprocessor ₁Foot meets display (G ₁), the transfusion device capacity input port pin of microprocessor meets decoder pin A, B, C, D, decoder OSC ₁And OSC ₂Connect oscillation resistance, receptor pin 1 connect power supply just, 2 ground connection, 3 feet connect decoder DIN foot through load resistance, display is through current-limiting resistance ground connection, alarm pin A ₁, A ₂Connecting resistance (R ₅) and electric capacity (C ₄), audion (Q ₁) base stage connect the VT foot of decoder, audion (Q through resistance ₁) collector connecting transistor (Q ₂) meet audion (Q ₂) base stage and current-limiting resistance (R ₉), current-limiting resistance (R ₉) just connecing power supply, current-limiting resistance (R ₉) and audion (Q ₁) the common point device pin taking alarm T that connects of colelctor electrode ₁, the RESET foot of intervalometer is connected the T of intervalometer with the RESET foot of microprocessor ₁Foot meets 1 foot, the T of switch (S2) ₂Connect 2 feet of switch (S2), the X of voice edition device ₀, X ₁Foot is connected to ward calling system trigger switch pin T ₀, T ₁, X ₂Foot meridian capacitor is coupled to ward calling system MIC pin, the O of voice edition device ₁, O ₂Foot connects buzzer (LS respectively ₁, LS ₂), alarm lamp (D ₂).

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