CN201596178U - Intelligent medical infusion pump - Google Patents

Abstract

The utility model provides an intelligent medical infusion pump. An alarm circuit, a signal collection circuit and a control panel for inputting the parameter are connected with a CPU; an electric quantity detection circuit, a door open detector, a bubble detector and an output end of a pressure sensor are connected with the signal collection signal; a control end of an electric machine is connected with an output end of the CPU and the electric machine controls the action of a creeping slice. The intelligent medical infusion pump has various alarm functions and stops the infusion process at the emergency state and ensures the patient safe.

Description

A kind of Intelligent medical infusion pump

Technical field

This utility model belongs to field of medical, relates to a kind of intelligent infusion pump in medical application.

Technical background

Existing medical infusion pumping unit such as infusion pump and syringe pump, is taked by the information of parameter setting, running status, processes through the CPU micro computer, reaches purpose safe, effective, controlled transfusion.In order to reach this purpose, each fluid delivery apparatus all is provided with security alerting system.As there are bubble warning, door to open warning, infuse and finish warning, the not enough warning of battery electric quantity or the like in infuse obstruction (pressure) warning, the pipe.The alarm method that adopts be buzzer " dripping ... " bright or the flicker warning of acoustic alarm and LED light lamp.And literal shows on liquid crystal display.The infusion pump infusion process often the time long, therefore infusion process is monitored extremely importantly, it is a kind of important monitoring means that infusion process is reported to the police.

Existing alarm method can tell medical personnel's infusion process to go out situation, must process at once, but can not tell the reason that medical personnel report to the police.Therefore medical personnel must go to check liquid crystal display or infusion pump, just can process after finding reason, the time lag of processing procedure obviously occurred, and simultaneously, the infusion pump display screen is little, and literal shows littler, shows often not bery clear.And the fluid delivery apparatus installation site is limited by the place, often is not easy to observe, and it is even more serious that processing is lagged behind.Because the processing time is incured loss through delay, and malpractice may take place.Therefore need a kind of Intelligent medical infusion pump that behind infusion alarming, can reduce lag of processing time.

The utility model content

The purpose of this utility model is to propose a kind of Intelligent medical infusion pump, and this Intelligent medical infusion pump has multiple warning function, and in case of emergency, can the stopping infusion process, ensure patient safety.

Technical solution of the present utility model is as follows:

A kind of Intelligent medical infusion pump, warning circuit, signal acquisition circuit and the control panel of importing for parameter all are connected with CPU; Electric quantity detecting circuit, door are driven detector, gas bubble detection and pressure sensor and are connected output and all are connected with signal acquisition circuit; The output of the control termination CPU of motor, the action of Electric Machine Control peristaltic tablet.Peristaltic tablet is arranged on the transfusion device, and the rotating speed of motor is more fast, and the action of peristaltic tablet is more fast, and then the flow of transfusion device is more big, and during motor stalling, peristaltic tablet is static, the transfusion device stopping infusion.

Described warning circuit comprises that alarm control circuit and lamp dodge alarm, phonetic alarm and buzzer siren; The input of alarm control circuit is connected with CPU, and lamp dodges alarm, phonetic alarm all is connected with the outfan of alarm control circuit with buzzer siren.

Beneficial effect:

The function that the utility model realization supplies warning and links with the transfusion control circuit, warning has various ways, particularly can really report alarm content and transfusion situation by the term accuracy in pitch, improve the quality of reporting to the police, medical personnel process behind the raising alarm accuracy, promptness, testing circuit can improve infusion safety with the technical scheme of transfusion control circuit interlock.

Description of drawings

Fig. 1 is the theory diagram of Intelligent medical infusion pump;

Fig. 2 is the outline drawing of Intelligent medical infusion pump.

The specific embodiment

Below with reference to figure and specific implementation process this utility model is described in further details:

Such as Fig. 1 and 2, a kind of Intelligent medical infusion pump, warning circuit, signal acquisition circuit and the control panel of importing for parameter all are connected with CPU; Electric quantity detecting circuit, door are driven detector, gas bubble detection and pressure sensor and are connected output and all are connected with signal acquisition circuit; The output of the control termination CPU of motor, the action of Electric Machine Control peristaltic tablet.Described motor adopts motor.Peristaltic tablet is arranged on the transfusion device, and the rotating speed of motor is more fast, and the action of peristaltic tablet is more fast, and then the flow of transfusion device is more big, and during motor stalling, peristaltic tablet is static, the transfusion device stopping infusion.

Described warning circuit comprises that alarm control circuit and lamp dodge alarm, phonetic alarm and buzzer siren; The input of alarm control circuit is connected with CPU, and lamp dodges alarm, phonetic alarm all is connected with the outfan of alarm control circuit with buzzer siren.

Liquid stopping clamp: purposes is to guarantee automatically to block the transfusion device pipeline when the pump door is opened, can leakage when the pump door is opened; And after the pump door was closed, liquid stopping clamp was opened automatically, made infusion pipeline unimpeded, by the running of driven by motor peristaltic tablet, and the liquid in the peristaltic tablet extruding transfusion device, thereby control transfusion.

Battery electric quantity detects: cell voltage is carried out dividing potential drop.Detect the variation of cell voltage, cell voltage reaches 4.1V and represents that charging finishes, and battery electric quantity 3.7-4.2V shows full lattice (3 lattice), battery electric quantity 3.3-3.7V shows 2 lattice, battery electric quantity 3.0-3.3V shows full lattice 1 lattice, and is lower than the not enough warning of 3.3 beginning battery electric quantities, but motor can work on.Being lower than 3.0 warnings and motor quits work.This part does not have sensor, but the charging and discharging holding circuit is arranged, and is directly to realize by the voltage that detects battery.

Bubble detector adopts the ultrasound wave potsherd.

Peristaltic tablet is by its motion of Electric Machine Control, motor is stepper motor, when controller is sent out a pulse, by motor-drive circuit control motor movement certain angle (1.8 degree), and the motion of driven by motor peristaltic tablet, motor rotation 2 circles, peristaltic tablet running 1 circle, and peristaltic tablet forms sine wave by 12, and peristaltic tablet running 1 circle i.e. 12 peristaltic tablets pushes the liquid in the transfusion device pipeline.Liquid is flowed out from syringe needle.Realize the control of transfusion.Peristaltic tablet is the mechanism of the control fluid flow commonly used of this area employing.

Door is opened and detect to be adopted magnetic induction principle: door is driven detector and is adopted inductive switch, on the door magnet is installed, and when door was opened, inductive switch respond to less than the magnetic field on the door, and inductive switch disconnects, and when door is closed, owing to the impact in magnetic field, inductive switch is sensed magnetic field and closure.

Fig. 1 is the outline drawing of intelligent infusion pump in medical application, and the transfusion device pipeline should be vertically mounted in the infusion pump, fixes successively bybubble detector 41 → wrigglingextruding plate 40 →pressure transducer 36 →liquid stopping clamp 37, and by upper and lower card tube seat, andpump door 38 is closed by gate stop 39.Have lamp to dodge alarm lamp oncontrol key panel 33, alarm lamp is bright during warning.When the pump door left, it is bright that door is opened display lamp; During power connection, power supply indicator is bright.Digital display screen 31 shows parameters such as accumulative total amount ofinfusion.LCDs 32 shows the infusion parameter such as infusion mode, infusion rate, pressure size, and points out display alarm reason during warning when each infusion parameter arranges.Startup arranged on theoperating key panel 33, stop, the operating keys such as F.F., quiet, displacement, rise, selection, downward modulation, page turning and zero clearing, when arranging with buttons such as displacement, rise, selection, downward modulation, page turnings.The run indicator of working inaddition 34 indication normal operating conditions, when only having normal operation,work run indicator 34 just circulates and lights, the transfusion device cast that 35 indications of transfusion cast indicator lamp are selected.

By button infusion parameter is set,, realizes transfusion control patient by 40 motions of CPU control step driven by motor wriggling sheet.By the parameter information of setting and the information of sensor acquisition, handle and relevant control circuit through CPU, realize monitoring and warning to infusion process.

Fig. 2 is the theory diagram of intelligent infusion pump in medical application, by the bubble in the gas bubble detection detection transfusion device pipeline; By pressure transducer transfusion device loine pressure situation is detected, obtain pressure signal; Open detector, battery electric quantity testing circuit by door and can obtain pump door and battery electric quantity information respectively.Signal acquisition circuit is gathered above-mentioned signal, and sends above-mentioned signal to CPU.By button on the control key panel, according to information such as clinical requirement input infusion rate and infusion mode, pressure alarm threshold value, amount of infusion, the information of input is kept at memorizer, the information of signal acquisition circuit collection and the input information of setting are handled through CPU, information such as infusion rate, amount of infusion shows that on nixie display or LCDs CPU control step motor, the action of wriggling sheet are arranged.Realization is to patient's accurate transfusion control with to the monitoring of infusion process.Superthreshold, pipeline have that bubble, transfusion are blocked, the information such as door is opened, battery electric quantity deficiency, by alarm control circuit, realize lamp dodge report to the police, buzzing warning and audio alert, and warning message shown at liquid crystal display synchronously.This infusion pump can realize reporting to the police and the interlock of infusing and controlling.Automatically enter KVO[such as " transfusion is finished " warning and namely keep the vessel open state, anti-return blood], in case Hemostatic Oral Liquid flows backwards; Infusion pipeline has bubble to report to the police, and automatic stopping infusion enters the patient to avoid bubble, produces dangerous; The infusion pump door is opened warning, andliquid stopping clamp 37 is fastened transfusion device pipeline, stopping infusion automatically; Infusion pump internal cell electric weight is not enough reports to the police, and reminds to connect external power source, dangerous to avoid battery undervoltage to produce.

One of feature of the present utility model is: by the interlock of reporting to the police with transfusion control, can avoid endangering and the proceeding of undesired transfusion, and win the processing time.

Claims (2)

1. an Intelligent medical infusion pump is characterized in that, warning circuit, signal acquisition circuit and the control panel of importing for parameter all are connected with CPU; Electric quantity detecting circuit, door are driven detector, gas bubble detection and pressure sensor and are connected output and all are connected with signal acquisition circuit; The output of the control termination CPU of motor, the action of Electric Machine Control peristaltic tablet.

2. intelligent infusion pump in medical application according to claim 1 is characterized in that, described warning circuit comprises that alarm control circuit and lamp dodge alarm, phonetic alarm and buzzer siren; The input of alarm control circuit is connected with CPU, and lamp dodges alarm, phonetic alarm all is connected with the outfan of alarm control circuit with buzzer siren.

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