CN1052656C

CN1052656C - Infusion monitoring reporter

Info

Publication number: CN1052656C
Application number: CN 95117884
Authority: CN
Inventors: 张胜杰
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-12-11
Filing date: 1995-12-11
Publication date: 2000-05-24
Anticipated expiration: 2015-12-11
Also published as: CN1143745A

Abstract

The present invention relates to an electronic device for monitoring an infusion process and reporting medical care personnel, which is composed of an electronic infusion device and a computer monitoring and reporting device, wherein the electronic infusion device is used for placing an infusion bottle and can emit high-frequency signals, and the computer monitoring and reporting device is arranged in a medical care room and is used for receiving and processing the signals. The electronic infusion device monitors the liquid level in the infusion bottle in a non-contact mode by using a liquid inducing sheet arranged outside the infusion bottle; when the liquid level reaches an alarm level, the high-frequency signals are sent out. Under the programmed control of a microcomputer system, the computer monitoring and reporting device processes the received signals in time and reports the medical care personnel in three modes comprising producing sounds by a buzzer, lighting up a bed indicator light, playing speech by a loudspeaker, etc. The electronic device carries out radio communication and microcomputer processing with micropower and has the advantages of advanced design and reliable operation.

Description

A kind of infusion monitoring reporter

The present invention relates to medical apparatus and instruments, particularly a kind of in order to the supervision infusion process, and circular medical personnel's electronic installation.

Venous transfusion (be commonly called as and have an intravenous drip) is a kind of treatment means of generally using.Because transfusion time is long, the transfusion concluding time is difficult to grasp, and can not in time dispose.CN8710913U " transfusion finishes alarm device " detects liquid level with the detection head that is sleeved on the transfusion sebific duct, send monitoring place acousto-optic to show by antenna one wired switching signal.Can realize automatic monitor alarm.But this invention remains in each transfusion and needs artificial cartridge clip detection head; Low frequency signal after the conversion needs wire transmission; Shortcomings such as the control level is low.

Purpose of the present invention will provide a kind of exactly can monitor infusion process automatically, can circulate a notice of the device that medical personnel in time handle again when the infusion bottle inner liquid medicine will be use up.

For finishing infusion monitoring reporter that goal of the invention designs by placing infusion bottle, and can launch the electronic infusion device of high-frequency signal and the computer monitoring report instrument two that is arranged on the reception medical personnel office in and handles high-frequency signal compositions partly, electronic infusion device has one to make infusion bottle be inverted its interior container, hook is arranged at container top, establish liquid sensing chip and microswitch in the container bottom, electronic box on liquid sensing chip and microswitch and the container constitutes the electronics part of electronic infusion device, electronics partly has the level sensing circuit, adjust circuit launch time, the digital coding modulation circuit, high frequency transmission circuit, supply voltage monitoring circuit and power supply; The computer monitoring report instrument receives amplification and rectification circuit by high frequency, decoding circuit, and microsystem and voice report circuit, sick bed label indicator light circuit, buzzer circuit and D.C. regulated power supply are formed.The operation principle of this device is: the liquid sensing chip of each sick bed electronic infusion device is with liquid level situation in the noncontact mode continuous detecting bottle during transfusion, when liquid level is reduced to the warning liquid level, electronic installation sends digital coding wireless pulse signal automatically to protecting the computer monitoring report instrument of doing the chamber, do under the indoor computer monitoring report instrument microsystem programme-control within it and protect, constantly scan the interface circuit relevant with sick bed label, in case receive the signal that the electronic infusion device of certain sick bed sends, then move in three kinds of modes: 1, buzzer sounding reminding medical personnel note; 2, the display lamp of corresponding bed item is lighted; 3, the loudspeaker plays voice specifically indicate the sick bed transfusion to finish, and require to handle.

Infusion monitoring reporter of the present invention is the full-automatic wireless transmission system, and is safe and reliable, and patient is without any mental burden during transfusion, and nobody handles not worry being totally lost medicinal liquid; Medical personnel also can reduce labor intensity and psychological burden greatly, avoid malpractice to take place.

Describe the present invention in detail below in conjunction with embodiment.

Fig. 1 is the electronic infusion device part sketch map of infusion monitoring reporter of the present invention.

Fig. 2 is an electronic infusion device electronics circuit block diagram partly.

Fig. 3 reports the only circuit block diagram of part for infusion monitoring reporter computer prison of the present invention.

Fig. 4 is a partly electrical schematic diagram of electronic infusion device electronics.

Fig. 5 is that the computer monitoring report instrument partly receives the amplification and rectification circuit electrical schematic diagram.

Fig. 6 is a partly decoding circuit of computer monitoring report instrument, microsystem and voice report circuit, sick bed label indicator light circuit, buzzer circuit electrical schematic diagram.

Fig. 7 is a partly D.C. regulated power supply electrical schematic diagram of computer monitoring report instrument.

As shown in Figure 1, hook 4 is arranged at electronic infusion device container 3 tops, and infusion bottle is inverted in the container 3, establishes liquid sensing chip 1 in container 3 bottoms and contacts with bottle with microswitch 6, and electronic installation 2 and battery 5 are arranged on the container 3.

As shown in Figure 2, liquid level sensor, launch time adjustor, the digital coding manipulator, HF transmitter is linked in sequence, and is battery-powered, also is connected to the cell voltage monitoring circuit in the circuit.

As shown in Figure 3, receiving circuit, amplification and rectification circuit, decoding circuit connects microsystem, computer system interface and buzzer circuit, sick bed label indicator light circuit, voice report circuit links to each other, and D.C. regulated power supply is to microsystem and each circuit supply.

As shown in Figure 4, in the level sensing circuit, base stage connecting resistance R1, the R2 of audion T1, liquid sensing chip C ₀And capacitor C ₄₃With diode D1, its colelctor electrode connection electrical resistance R3, capacitor C 3, coil L1, liquid sensing chip capacitor C ₀, capacitor C ₂, C ₄₃, its emitter stage connects resistance R 4, capacitor C 4, and by capacitor C 3 and connect capacitor C 1, above element is common to constitute a capacitance three-point type sine-wave oscillator between its colelctor electrode and the emitter stage.The colelctor electrode connecting resistance R5 of audion T2, base stage meets capacitor C 5 and diode D2, and emitter stage connects the base stage of audion T3, the colelctor electrode connecting resistance R6 of audion T3, grounded emitter, above element constitutes a composite amplifier.This agitator carries out non-contact detecting to the liquid level in the infusion bottle, and when liquid level was higher than alert locations in the infusion bottle, liquid level sensor C0 value was bigger, the agitator starting of oscillation; When liquid level is reduced to alarm bit, when a medium disappeared in the bottle, liquid level sensor C0 value diminished, and makes the blocking of oscillator, and signal is through audion T2, T3 amplification, by the colelctor electrode output low level of audion T3.Mainly constitute and adjust circuit launch time by the schmidt door circuit, integrated package CD4093 is the foot 5 connecting resistance R7 of IC1B, R8, capacitor C 6 and diode D3, the foot 6 of ic chip 1B is by capacitor C 7 ground connection, constitute one " Schmidt's multivibrator of EDM Generator of Adjustable Duty Ratio ", to adjust signal transmission time and emission duration, the foot 14 of coding chip VD5026 in the digital coding modulation circuit connects the outfan foot 4 of ic chip 1B, the positive pole of power supply connects the foot 18 of coding chip VD5026 by resistance R 17 and capacitor C 9, and foot 15,16 span connecting resistance R19, foot 17 connects the base stage of audion T6, form an electrical switch, when coding chip is worked, but modulation transmitter.Foot 1 ground connection of coding chip V05026, foot 2,3,4,5,6 is designed to lesion coding side foot, can compile 32 groups by binary coding, can distinguish 32 lesiones.The foot 7,8,10,11,12,13 of coding chip VD5026 is designed to disease bed label coding side foot, by binary coding, can compile 64 groups, to distinguish 64 sick beds, inductors connected in parallel L3, capacitor C 11 and resistance R 20 between the colelctor electrode of ultrahigh frequency triode T7 in the high frequency transmission circuit and the base stage, colelctor electrode also meets capacitor C 12 and transmitting antenna L, and the emitter stage of audion T7 has coil L2, capacitor C 13 ground connection, colelctor electrode has capacitor C 14 ground connection, constitute one " high frequency generator " jointly, have the radio wave of coded pulse string to aerial radiation.Supply voltage monitoring circuit is made of audion T4 and two schmidt door IC circuit 1C and IC1D, base stage connecting resistance R11, the R12 of audion T4, colelctor electrode connecting resistance R13, grounded emitter, the foot 9 of ic chip 1C, foot 10 connecting resistance R14 and capacitor C 8 constitute one " multivibrator ", the outfan foot 11 of ic chip 1D through current-limiting resistance R15 sending and receiving optical diode D6 to monitor supply voltage.

As shown in Figure 5, the high frequency of computer monitoring report instrument receives in the amplification and rectification circuit, be connected to coil L5 between the colelctor electrode of audion T8 and the base stage, capacitor C 17, C18 and resistance R 22, connect capacitor C 15 between colelctor electrode and the emitter stage, be connected in series capacitor C 16 between emitter stage and ground, resistance R 21 and coil L4, be connected in series capacitor C 19 between base stage and ground, resistance R 22 connects the base stage of audion T8, dc point is provided, form one " Armstrong circuit ", and the base stage of audion meets ac coupling capacitor C20, the colelctor electrode of audion T9 and integrated package LM324 and foot 12, the 13 formation amplification and rectification circuits that communicate, the signal shaping that receives is returned to the coded pulse string state of 17 output waveforms of foot of coding chip VD5026, foot 14 through integrated package LM324, E flows to decoding circuit, decoding circuit is by decoding chip VD5027 and be connected across its foot 15,16 resistance R 28 constitutes, and the foot 1 of decoding chip VD5027 is identical to the connection of foot 8 with the foot 1 of coding chip VD5026 to the connection of foot 8.The foot 7 of decoding chip VD5027 and foot 8 meet phase inverter audion T15 respectively, the colelctor electrode of T16, audion T15, the base stage of T16 connects the foot 5 of single-chip microcomputer 8031 respectively, foot 6, the foot 10 of decoder VD5027 to foot 13 links to each other with the base stage of phase inverter audion T11 to T14 respectively, the colelctor electrode of audion T11 to T14 joins with foot 1 to the foot 4 of single-chip microcomputer 8031 respectively, the foot 17 of decoding chip VD5027 joins through resistance R 29 and the base stage of audion T10, the colelctor electrode of audion T10 connects the foot 12 of single-chip microcomputer 8931, like this, decoding by chip VD5027, each foot state of coding chip VD5026 is reappeared out, for the microcomputer retrieval.Microsystem is by single-chip microcomputer 8031, memory under program EPROM2764, latch 74LS373A constitutes, the foot 39 of single-chip microcomputer 8031 to foot 32 respectively with the foot 3 of latch 74LS373A, 4,7,8,13,14,17,18 link, and respectively with the foot 11 of memory under program EPROM2764,12,13,15,16,17,18,19 link, to carry low eight or the data signal of address, the foot 21 of single-chip microcomputer 8031 to foot 25 connects the foot 2 of memory under program EPROM2764 respectively, 21,23,24,25 to carry the high eight-bit of address, the foot 29 of single-chip microcomputer 8031 connects the foot 22 of memory under program EPROM764, as chip selection signal, the foot 30 of single-chip microcomputer 8031 connects the foot 11 of latch 74LS373A as latch signal, the foot 18 of single-chip microcomputer 8031, foot 19 also meets crystal oscillator J and capacitor C 25, C26 is to provide standard clock signal, the foot 9 of single-chip microcomputer 8031 is connected to capacitor C 27, resistance R 43, R44 and elimination meet key F to form one " electrify restoration circuit ".Receive the interruption application of decoder VD5027 when the foot 12 of single-chip microcomputer 8031 after, under the commander of program, foot 1 to foot 6 state this moment to self is retrieved, the coded signal that retrieves is read in after computer discerns, calculates, handles, at last respectively to the buzzer circuit, sick bed label indicator light circuit and voice report circuit send instruction, the buzzer circuit connects the base stage of audion T17 by the foot 9 of the foot 8 connection not gate D of single-chip microcomputer 8031, the foot 8 of not gate D by resistance R 45, the colelctor electrode of audion T17 meets buzzer HA, constitutes.The sick bed indicator light circuit is by shift register 74LS164A, 74LS164B and 8 resistance R 49 and 64 light emitting diode D8 form, the foot 7 of single-chip microcomputer 8031 connects the foot 1 of not gate A, the foot 2 of not gate A connects the foot 9 of displacement memory 74LS164A and 74LS164B, the foot 11 of single-chip microcomputer 8031 connects the foot 8 of the foot 8 of shift register 74LS164A and shift register 74LS164B to carry shift pulse, the foot 10 of single-chip microcomputer 8031 and the foot 1 of shift register 74LS164A, foot 2 joins to carry light-emitting data, and the foot 13 of shift register 74LS164A and the foot 1 of shift register 74LS164B, foot 2 joins to carry chip content, and voice report circuit is by latch 74LS373B, speech chip ISD1402, audio power amplifies chip LM386, not gate B and C and resistance R 46 are to R48, capacitor C 28 to C34 constitutes.The foot 1 of speech chip IDS1402,2,3,4,5,6,9,10 connect the foot 2 of latch 74LS373B respectively, 5,6,9,12,15,16,19, the foot 3 of latch 74LS373B, 4,7,8,13,14,17,18 connect the foot 39 to 32 of single-chip microcomputer respectively, and the foot 17 of single-chip microcomputer 8031 connects the foot 23 of speech chip ISD1402 with the statement playback of selecting, the foot 25 of speech chip IDS1402 connects single-chip microcomputer 8031 through not gate C foot 13 interrupts the playback pulse to carry, and the foot 15 of speech chip IDS1402 connects audio power through coupling capacitance C29 and amplifies chip LM386 to promote speaker Y; D.C. regulated power supply is made up of the secondary bridge rectifier sheet Z and voltage stabilizing chip 7805C, 7806B and 7808A of connecing of mains transformer B, voltage stabilizing chip 7805C connects single-chip microcomputer 8031 through filter capacitor C39, C40, sick bed label indicator light circuit and speech chip power supply, voltage stabilizing chip 7806B receives amplification and rectification circuit and decoding circuit power supply through filter capacitor C37, C38, and voltage stabilizing chip 7808A connects buzzing circuit and audio power amplifier circuit power supply through filter capacitor C35, C36.

Infusion monitoring reporter of the present invention is owing to taked non-contacting detection mode to the medicinal liquid in the infusion bottle, will not pollute medicinal liquid, also need not do any change to original infusion model, adapt to wide, be easy to promote, micropower wireless telecommunications that this device adopts and single-chip microprocessor system circuit design advanced person, practicality, strong anti-interference performance, reliable operation.

Claims

1. infusion monitoring reporter, it is characterized in that said infusion monitoring reporter is by placing infusion bottle and launching the electronic infusion device of high-frequency signal and computer monitoring report instrument two parts of being arranged on the reception in the medical personnel office and handling high-frequency signal are formed, said electronic infusion device has one to make infusion bottle be inverted its interior container, hook is arranged at container top, establish liquid sensing chip and microswitch in the container bottom, electronic box on liquid sensing chip and microswitch and the container constitutes the electronic section of electronic infusion device, electronic section has the level sensing circuit, adjust circuit launch time, the digital coding modulation circuit, high frequency transmission circuit, supply voltage monitoring circuit and power supply: in the level sensing circuit, the base stage connecting resistance (R1 of audion (T1), R2) liquid sensing chip electric capacity (C ₀), electric capacity (C ₄₃) and its colelctor electrode connection electrical resistance (R3) electric capacity (C3) of diode (D1), coil (L1) liquid sensing chip electric capacity (C0), electric capacity (C2, C ₄₃), its emitter stage connects resistance (R4), electric capacity (C4), between its colelctor electrode and the emitter stage by electric capacity (C3) and connect electric capacity (C1), the common formation of above element one capacitance three-point type sine-wave oscillator; The colelctor electrode connecting resistance (R5) of audion (T2), base stage connects electric capacity (C5) and diode (D2), emitter stage connects the base stage of audion (T3), the colelctor electrode connecting resistance (R6) of audion (T3), grounded emitter, above element constitutes a composite amplifier, adjusting circuit launch time mainly is made of the schmidt door circuit, integrated package (CD4093) the i.e. foot (6) of the foot of (IC1B) (5) connecting resistance (R7, R8) electric capacity (C6) and diode (D3) integrated package (IC1B) constitutes Schmidt's multivibrator of an EDM Generator of Adjustable Duty Ratio by electric capacity (C7) ground connection; The foot (14) of the coding chip in the digital coding modulation circuit (VD5026) connects the outfan foot (4) of integrated package (IC1B), the positive pole of power supply connects the foot (18) of coding chip (D5026) by resistance (R17) electric capacity (C9), and foot (15,16) span connecting resistances (R19), foot (17) connect the base stage of audion (T6), form an electrical switch, coding chip (VD5026) foot (1), foot (9) ground connection, foot (2,3,4,5,6) is a lesion coding side foot, and foot (7,8,10,11,12,13) is a disease bed label coding side foot; Inductors connected in parallel (L3), electric capacity (C10, C11) and resistance (R20), colelctor electrode also connect electric capacity (C12) and transmitting antenna (L) and the emitter stage of audion (T7) has coil (L2), electric capacity (C13) ground connection between the colelctor electrode of the ultrahigh frequency triode in the high frequency transmission circuit (T7) and the base stage, colelctor electrode has electric capacity (C14) ground connection, common formation one high frequency generator, supply voltage monitoring circuit is by audion (T ₄) and two schmidt door circuit (IC1C) and (IC1D) constitute the base stage connecting resistance of audion (T4) (R11, R12), colelctor electrode connecting resistance (R13) grounded emitter, the foot (9) of integrated package (IC1C), foot (10) connecting resistance (R14) and electric capacity (C8).Constitute a multivibrator, the outfan foot (11) of integrated package (IC1D) receives amplification and rectification circuit through current-limiting resistance (R15) sending and receiving optical diodes (D6) computer monitoring report instrument by high frequency, decoding circuit, microsystem and voice report circuit, sick bed label indicator light circuit, buzzer circuit and D.C. regulated power supply are formed: high frequency receives in the amplification and rectification circuit, be connected to coil (L5) between the colelctor electrode of audion (T8) and the base stage, electric capacity (C17, C18) and resistance (R22), connect electric capacity (C15) between colelctor electrode and the emitter stage, be connected in series electric capacity (C16) between emitter stage and ground, be connected in series electric capacity (C19) between resistance (R21) and coil (L4) base stage and ground, resistance (R22) connects the base stage of audion (T8), dc point is provided, form an Armstrong circuit, and the base stage of audion (T9) connects ac coupling capacitor (C20), the foot (12 of the colelctor electrode of audion (T9) and integrated package (LM324), 13) the formation amplification and rectification circuit that communicates, the foot (14) of integrated package (LM324) connects decoding circuit; Decoding circuit is made of decoding chip (VD5027) and the resistance (R28) that is connected across between its foot (15,16), and the foot (1) of decoding chip (VD5027) is identical to the connection of foot (8) with the foot (1) of coding chip (VD5026) to the connection of foot (8); The foot (7) and the foot (8) of decoding chip (VD5027) meet phase inverter audion (T15 respectively, T16) colelctor electrode, audion (T15, T16) base stage connects the foot (5) of single-chip microcomputer (8031) respectively, foot (6), the foot (10) of decoder (VD5027) to foot (13) links to each other with the base stage of phase inverter audion (T11) to (T14) respectively, the colelctor electrode of audion (T11 to T14) joins with foot (1) to the foot (4) of single-chip microcomputer (8.031) respectively, the foot (17) of decoding chip (VD5027) joins through the resistance (R29) and the base stage of audion (T10), and the colelctor electrode of audion (T10) connects the foot (12) of single-chip microcomputer (8031); Microsystem is by single-chip microcomputer (8031), memory under program (EPROM2764) latch (74LS373A) constitutes, the foot (32) of single-chip microcomputer (8031) to foot (39) respectively with the foot (3 of latch (74LS373A), 4,7,8,13,14,17,18) link, and respectively with the foot (11 of memory under program (EPROM2764), 12,13,15,16,17,18,19) link, to carry low eight or the data signal of address, the foot (21) of single-chip microcomputer (8031) connects the foot (2 of memory under program (EPROM2764) respectively to foot (25), 21,23,24,25) to carry the high eight-bit of address, the foot (29) of single-chip microcomputer (8031) connects the foot (22) of memory under program (EPROM2764), as chip selection signal, the foot (30) of single-chip microcomputer (8031) connects the foot (11) of latch (74LS373A) as latch signal, the foot (18) of single-chip microcomputer (8031), foot (19) also meets crystal oscillator (J) and electric capacity (C25, C26) so that standard clock signal to be provided, the foot (9) of single-chip microcomputer (8031) is connected to electric capacity (C27), resistance (R43), R (44) and elimination connect key (F) and form an electrify restoration circuit, the foot (8) of single-chip microcomputer (8031) connects the foot (9) of not gate (D), the foot (8) of not gate (D) connects the base stage of audion (T17) by resistance (R45), the colelctor electrode of audion (T17) connects buzzer (HA), constitutes buzzer circuit; The sick bed indicator light circuit is by shift register (74LS164A, 74LS164B) form with 8 resistance (R49) and 64 light emitting diodes (D8), the foot (7) of single-chip microcomputer (8031) connects the foot (1) of not gate (A), the foot (2) of not gate (A) connects shift register (74LS164A) and foot (74LS164B) (9), the foot (11) of single-chip microcomputer (8031) connects the foot (8) of the foot (8) of shift register (74LS164A) and shift register (74LS164A) to carry shift pulse, the foot (10) of single-chip microcomputer (8031) and the foot (1) of shift register (74LS164A), foot (2) joins with the conveying light-emitting data, and the foot (1) of the foot (13) of shift register (74LS164) and shift register (74LS164B), foot (2) joins to carry chip content; Voice report circuit is by latch (74LS373B), speech chip (ISD1402), audio power amplifies chip (LM386), not gate (B) and (C) and resistance (R46) to (R48), electric capacity (C28) to (C34) constitutes, the foot (1 of speech chip (IDS1407), 2,3,4,5,6,9,10) connect the foot (2 of latch (74LS373B) respectively, 5,6,9,12,15,16,19), the foot (3 of latch (74LS373B), 4,7,8,13,14,17,18) connect the foot (39 to 32) of single-chip microcomputer respectively, and the foot (17) of single-chip microcomputer (8031) connects the foot (23) of speech chip (ISD1402) with the statement playback of selecting, the foot (25) of speech chip (IDS1407) connects single-chip microcomputer (8031) through not gate (C) foot (13) interrupts the playback pulse to carry, and the foot (15) of speech chip (IDS1402) connects audio power through coupling capacitance (C29) and amplifies chip (LM386) to promote speaker (Y); D.C. regulated power supply connects bridge rectifier sheet (Z) and voltage stabilizing chip (7805C, 7806B) by mains transformer (B) secondary and (7808A) forms, voltage stabilizing chip (7805C) connects single-chip microcomputer (8031), sick bed label indicator light circuit and speech chip power supply through filter capacitor (C39, C40), and voltage stabilizing chip (7806B) connects buzzer circuit and audio power amplifier circuit through filter capacitor (C37, C38) reception amplification and rectification circuit and decoding circuit voltage stabilizing chip (7808A) through filter capacitor (C35, C36).