CN2066746U - Infusion drop stopping alarm device - Google Patents

Abstract

The utility model belongs to a medical monitoring device, which is named infusion drop stopping alarm device. The infusion drop stopping alarm device is composed of a photoelectric sensor, an operational amplifier, a music integrated device and a calling trigger. When the photoelectric sensor is covered and clamped on the position of a transfusion Murphy pipe, the red indicator pipe on the alarm device is lighted or extinguished as the liquid drop synchronously. When the liquid stops dropping for ten seconds, the alarm device alarms by using the clear music sound; simultaneously, a call display of a nurse station can be started to alarm that transfusion stops dropping of a sickbed, and the situation is needed to be processed in time. Through the clinical use, the utility model is proved to be a monitoring apparatus which has the advantages of simplicity, utility, ingenious body type, small power consumption and low cost.

Description

Infusion drop stopping alarm device

This utility model belongs to medical monitor device, is called transfusion and stops dripping alarm device.

No matter in hospital is that internal medicine, surgery, first aid etc. are treated patient, often adopts intravenous drip infusion.In the infusion process, in order to prevent to cause malpractice because of stopping liquid, medical personnel need to note especially meticulously, stop droplet all needing medical personnel in time to handle because of lacking liquid or stifled pin.More need the special messenger to guard especially for obnubilation or critical patient transfusion, increased labor intensity to medical personnel.

In order to solve medical transfusion safety, alleviate medical personnel's labor intensity.This utility model development and design a kind of transfusion stop dripping an alarm device.Use this alarm device very convenient, promptly after medical personnel operate transfusion device, only need the photoelectric sensor cover of alarm device is stuck in the Murphy tube place, turn on the power switch, observe red indicator tube bright synchronously with drop, go out and flash, be working properly, medical personnel just can leave.When transfusion stops dripping and continued for ten seconds because of lacking liquid or stifled pin, the call display of nurse station is promptly reported, can start simultaneously to alarm device with music sound clearly, report certain number sick bed transfusion and stop dripping, and need medical personnel in time handle.

An embodiment of the present utility model sees Fig. 2, and it is by two parts: photoelectric sensor (Fig. 2 a) and alarm device (Fig. 2 b) constituted.Its pick off is constituted (seeing Fig. 1 b) by an infrared light emission pipe LED1 and an infrared ray light-receiving tube LED2, and two pipes are fixed on relatively that (see Fig. 2 a), it can overlap easily and be stuck in transfusion Murphy tube place on the pincerlike cutting ferrule.Its circuit of its alarm device is to adopt a slice high-gain, the big device of low-power consumption double operational (seeing Fig. 1 C), be assembled in the compact housing (seeing Fig. 2 b) with resistance in music-integrating block (seeing Fig. 1 d) and the circuit, electric capacity, potentiometer element etc., it can hang on the transfusion system support, also can hang on patient's head of a bed or the wall.

Electric key wiring diagram of the present utility model as shown in Figure 1a, it is by photoelectric sensor (LDE1, LDE2), operation amplifier circuit (its main element: A1, A2, BG1, LED3 and C), music integrated circuit (its main element: DK9300, Y, BG2) and notify from a phone call circuits for triggering (main element: BG3) form.

Work process of the present utility model is: when not having drop to pass through, light-receiving tube LED2 is subjected to the Infrared irradiation conducting of luminous tube LED1, the output loop of forming with R2 (1) is everywhere in low level, in the time of between drop is by infrared emission tube LED1 and light-receiving tube LED2, blocked a part of infrared ray, the infrared light that light-receiving tube LED2 is received weakens, be tending towards ending, output (1) is located level and is raise, after drop passes through, output (1) is located and is recovered low level, locate the variation of level along with (1), operational amplifier A 1(2) negative pulse of foot output, make diode D conducting once, BG1 ends once, thereby the current potential of capacitor C integration is discharged once rapidly, and red indicator tube LED3 is extinguished once, the current potential of capacitor C is by adjustable resistance W3 and fixing electricity group R5 charging, with long rising of charging interval, because the control of drop, A1 successively exports negative pulse, electric charge among the C is put accumulation not while filling, A2 is connected into voltage comparator, and at this moment, low level is kept in A2 output, music circuit is being closed, in case after dropping liquid stopped for ten seconds continuously, the current potential of C had been raised to A2 upset level, making A2 output is high level by low transition, drive BG2, the BG3 conducting, then BG2 opens music integrated circuit DK-9300, and speaker Y promptly sends sound equipment, and BG3 just triggers the signal element of reporting of nurse station.

The utility model is repeatedly to design, test, improve preferred scheme, and on probation through hospital clinical, proves a kind of simple, practical, compact, power consumption is little and cost is low monitor.

Fig. 1 a: transfusion stops dripping the alarm device electrical schematic diagram.

Wherein:

LED1, the LED2-photoelectric sensor.

A1-first order operational amplifier.

A2-second level operational amplifier.

LED3-red semiconductor luminous tube.

BG1, BG2, BG3-transistor.

The C-capacitor.

The DK-9300-music integrated circuit.

The Y-speaker.

The BK-hand switch.

The BATT-dc source.

R1～R9-resistance.

W1～W3-potentiometer.

Fig. 1 b: sensor element figure.

The LED1-luminous tube.

The LED2-light-receiving tube.

Fig. 1 c: the external line chart of the big device LM358 of double operational.

Fig. 1 d: the external line chart of music-integrating block.

Fig. 2 a: photoelectric sensor embodiment.

201-pincers type cutting ferrule.

202-infrared light emission pipe.

203-infrared ray light-receiving tube.

Fig. 2 b: alarm device embodiment axle sectional view.

204-double operational large circuit board.

The 205-music-integrating block.

The 206-speaker.

The 207-hand switch.

The 208-battery,

The 209-shell.

Claims (3)

1, a kind of medical monitor device--transfusion stops dripping alarm device, its key wiring diagram is shown in accompanying drawing 1a, it is characterized in that: it is by photoelectric sensor (LED1, LED2), operation amplifier circuit (its main element: A1, A2, BG1, LED3 and C), music integrated circuit (its main element: DK9300, Y, BG2) and notify from a phone call circuits for triggering (main element: BG3) form, when not having drop to pass through, light-receiving tube LED2 is subjected to the infrared ray irradiation conducting of luminous tube LED1, the output loop of forming with R2 (1) is everywhere in low level, in the time of between drop is by infrared emission tube LED1 and light-receiving tube LED2, blocked a part of infrared ray, the infrared light that light-receiving tube LED2 is received weakens, be tending towards ending, output (1) is located level and is raise, after drop passes through, output (1) is located and is recovered low level, locate the variation of level along with (1), negative pulse of operational amplifier A 1 (2) foot output, make diode D conducting once, BG1 ends once, thereby the current potential of capacitor C integration is discharged once rapidly, and red indicator tube LED3 is extinguished once, the current potential of capacitor C is by adjustable resistance W3 and fixed resistance R5 charging, with long rising of charging interval, because the control of drop, A1 successively exports negative pulse, and the electric charge among the C is put while filling, can not accumulate, A2 is connected into voltage comparator, and at this moment, low level is kept in A2 output, music circuit is being closed, in case after drop stopped for ten seconds continuously, the current potential of C had been raised to A2 upset level, making A2 output is high level by low transition, drive BG2, the BG3 conducting, then BG2 opens music integrated circuit DK-9300, and speaker Y promptly sends sound equipment, and BG3 just triggers the signal element of reporting of nurse station.

2, transfusion according to claim 1 stops dripping alarm device, its circuit diagram is seen Fig. 1, it is by photoelectric sensor (LED1, LED2), operation amplifier circuit (its main element: A1, A2, BG1, BG3 and C), music integrated circuit (its main element: DK9300, Y, BG2) and notify from a phone call circuits for triggering (main element: BG3) form, it is characterized in that: its photoelectric sensor is constituted (seeing Fig. 1 b) by an infrared light emission pipe LED2 and an infrared ray light-receiving tube LED2, and two pipes relatively overlap and are stuck in transfusion Murphy tube place (see figure 2).

3, transfusion according to claim 1 stops dripping alarm device, its circuit diagram is seen Fig. 1, it is by photoelectric sensor (LED1, LED2), operational amplification circuit (its main element: A1, A2, BG1, LED3 and C), music integrated circuit (its main element: DK9300, Y is BG2) with call circuits for triggering (main element: BG3) form, it is characterized in that: its operation amplifier circuit is the big device of a slice high-gain low-power consumption double operational (seeing Fig. 1 c), the resistance in it and music-integrating block (seeing Fig. 1 d) and the circuit, electric capacity, potentiometer element etc. is assembled in (see figure 2) in the compact housing.

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