CN214911841U

CN214911841U - Syringe with alarming function

Info

Publication number: CN214911841U
Application number: CN202120281446.1U
Authority: CN
Inventors: 李冰; 王峰园; 潘书雅; 孙润楠; 韦琦
Original assignee: Anhui Provincial Cancer Hospital
Current assignee: Anhui Provincial Cancer Hospital
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-11-30
Anticipated expiration: 2031-02-01

Abstract

The utility model discloses an injector with alarming function, generate module, injection control module, speaker including power module, switch module, square wave and pipe the module, power module connects switch module, and switch module connects square wave and produces module, injection control module, square wave and produces module and connect injection control module, speaker and pipe the module, compares with prior art, the beneficial effects of the utility model are that: this scheme is after the switch closure, and syringe injection liquid medicine can send out to cry when not reaching 0.5ML and surpassing 3ML, and the effectual strict control dosage of using medicine of help medical personnel guarantees the suitable of using medicine, can change the switch position simultaneously and reach the liquid medicine injection volume and report to the police in different scopes.

Description

Syringe with alarming function

Technical Field

The utility model relates to an alarm field specifically is a syringe with alarming function.

Background

Syringes are a common medical device, and the principle of syringes was proposed by kathler, italian as early as the 15 th century. It is mainly used for injecting liquid medicine or extracting liquid. Syringes may also be used for injection through rubber septa in medical devices, containers, scientific instruments such as in some chromatography. Injecting gas into a blood vessel will cause air embolism. The method of removing air from the syringe to avoid embolism is to invert the syringe, tap it gently, and then squeeze out a little liquid before injecting into the bloodstream. The injector consists of a syringe with a small hole at the front end and a piston core rod matched with the syringe. Syringes are used to inject small amounts of liquid or other means of injecting it into areas that are otherwise inaccessible to the syringe or withdrawing it from those areas. When the core rod is pulled out, liquid or gas is sucked from the small hole at the front end of the needle cylinder, and when the core rod is pushed in, the liquid or gas is extruded. This process of drawing or injecting gas or liquid with a syringe and needle is called injection.

The existing syringes in the market are often direct injections, when the dosage of medicines is strictly controlled, special care is often needed, time is wasted, and the existing syringes with dosage prompts lack in the market and need improvement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injector with alarming function to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an injector with alarming function, includes power module, switch module, square wave generation module, injection control module, speaker module of whistling, power module connects the switch module, and switch module connects square wave generation module, injection control module, and square wave generation module connects injection control module, speaker module of whistling.

As a further aspect of the present invention: the power supply module comprises a battery E1 and a diode D1, the switch module comprises a switch S1, a diode D2, a resistor R1 and a capacitor C1, the square wave generation module comprises an integrated circuit U1, a resistor R3, a resistor R4, a potentiometer RP1, a capacitor C2 and a capacitor C3, the injection control module comprises a resistor R6, a switch S2, a switch S3, an AND gate U2, an AND gate U5, an NOT gate U3 and a NOT gate U4, and the SPEAKER chirping module comprises a SPEAKER SPEAKER, a resistor R5 and a resistor R2.

The positive electrode of a battery E1 is connected with the positive electrode of a diode D1, the negative electrode of a diode D1 is connected with a switch S1, the other end of a switch S1 is connected with the positive electrode of a diode D2, a capacitor C1, a pin No. 8 of an integrated circuit U1, a resistor R3, the negative electrode of a diode D2 is connected with a resistor R1, the other end of a resistor R1 is connected with the negative electrode of a battery E1, the other end of a resistor R3 is connected with a resistor R4, the other end of the resistor R4 is connected with a potentiometer RP1 and a pin No. 7 of the integrated circuit U1, the other end of the potentiometer RP1 is connected with a capacitor C2, a pin No. 2 of the integrated circuit U1 and a pin No. 6 of the integrated circuit U1, the other end of the capacitor C2 is connected with a resistor R2, the other end of the resistor R2 is connected with the negative electrode of a battery E1, a pin No. 5 of the integrated circuit U1 is connected with a capacitor C3, the other end of the capacitor C3, the other end of the capacitor R2 is connected with a resistor R1, and a pin No. 1 of the integrated circuit U1 is connected with a resistor 2.

The other end of the switch S1 is connected with a resistor R6, the other end of the resistor R6 is connected with a switch S2 and a switch S3, the other end of the switch S2 is connected with one end of an input end of an AND gate U2 and an input end of a NOT gate U3, the other end of the switch S3 is connected with the other end of an input end of the AND gate U2 and an input end of the NOT gate U4, an output end of the NOT gate U3 is connected with one end of an input end of an AND gate U5, an output end of the NOT gate U4 is connected with the other end of an output end of the AND gate U5, an output end of the AND gate U2 is connected with a pin 4 of an integrated circuit U1, an output end of the AND gate U5 is connected with a pin 4 of the integrated circuit U1, a pin 3 of the integrated circuit U1 is connected with a SPEAKER SPEAKER, the other end of the SPEAKER SPEAKER is connected with a resistor R5, and the other end of the resistor R5 is connected with a resistor R2.

As a further aspect of the present invention: the integrated circuit U1 model is a 555 timer.

As a further aspect of the present invention: the diode D1 is a current limiting diode, and the diode D2 is a light emitting diode.

As a further aspect of the present invention: the switch S2 is at the 0.5ML capacity of the syringe and switch S3 is at the 3ML capacity.

As a further aspect of the present invention: and the power supply ends of the AND gate U2, the AND gate U5, the NOT gate U3 and the NOT gate U4 are connected with the other end of the switch S1.

Compared with the prior art, the beneficial effects of the utility model are that: this scheme is after the switch closure, and syringe injection liquid medicine can send out to cry when not reaching 0.5ML and surpassing 3ML, and the effectual strict control dosage of using medicine of help medical personnel guarantees the suitable of using medicine, can change the switch position simultaneously and reach the liquid medicine injection volume and report to the police in different scopes.

Drawings

Fig. 1 is a schematic diagram of an injector with an alarm function.

Fig. 2 is a circuit diagram of an injector with an alarm function.

FIG. 3 is a pin diagram of a 555 timer.

Fig. 4 is a pictorial view of the injector.

In the figure: 10-needle cylinder, 11-hollow cylinder and 12-piston core rod.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Example 1: referring to fig. 1, an injector with an alarm function includes a power module for providing a power supply, a switch module for conducting a circuit, a square wave generating module for generating a square wave, an injection control module for controlling an injection amount, and a speaker sounding module for alarming by a speaker, where the power module is connected to the switch module, the switch module is connected to the square wave generating module, the injection control module, and the square wave generating module is connected to the injection control module and the speaker sounding module.

As shown in fig. 2, the power module includes a battery E1 and a diode D1, the switch module includes a switch S1, a diode D2, a resistor R1, and a capacitor C1, the square wave generation module includes an integrated circuit U1, a resistor R3, a resistor R4, a potentiometer RP1, a capacitor C2, and a capacitor C3, the injection control module includes a resistor R6, a switch S2, a switch S3, an and gate U2, an and gate U5, an not gate U3, and an not gate U4, and the SPEAKER chirping module includes a SPEAKER, a resistor R5, and a resistor R2.

The anode of the battery E1 is connected with the anode of the diode D1, the diode D1 is a current-limiting diode, the cathode of the diode D1 is connected with the switch S1, the switch S1 is a circuit master switch, the other end of the switch S1 is connected with the anode of the diode D1, the capacitor C1, the No. 8 pin of the integrated circuit U1 and the resistor R1, the cathode of the diode D1 is connected with the resistor R1, the diode D1 is a light-emitting diode and plays a role in prompting, the other end of the resistor R1 is connected with the cathode of the battery E1, the other end of the resistor R1 is connected with the resistor R1, the other end of the resistor R1 is connected with the potentiometer RP1 and the No. 7 pin of the integrated circuit U1, the other end of the potentiometer RP1 is connected with the capacitor C1, the pin No. 2 of the integrated circuit U1 and the pin 6 of the integrated circuit U1, the other end of the capacitor C1 is connected with the resistor R1, the other end of the resistor R1, the resistor R1 is connected with the cathode of the battery E1, the integrated circuit U1, and the capacitor C1 are connected with the other end of the capacitor C1, pin 1 of the integrated circuit U1 is connected to the resistor R2.

The other end of the switch S1 is connected with a resistor R6, the other end of the resistor R6 is connected with a switch S2 and a switch S3, the other end of the switch S2 is connected with one end of an input end of an AND gate U2 and an input end of a NOT gate U3, the AND gate outputs a high level only when the input ends are high level, otherwise, the AND gate outputs a low level, the NOT gate input end is high level, the output end is low level, the input end is low level, the output end is high level, the other end of the switch S3 is connected with the other end of an input end of an AND gate U2 and the input end of the NOT gate U4, the output end of the NOT gate U3 is connected with one end of an input end of the AND gate U5, the output end of the NOT gate U4 is connected with the other end of an output end of the AND gate U5, the output end of the AND gate U2 is connected with a pin 4 of an integrated circuit U1, the output end of the AND gate U5 is connected with a pin 4 of the integrated circuit U1, a pin 3 of the integrated circuit U1 is connected with SPEAKER, and the other end of the SPEAKER is connected with a resistor R5, the other end of the resistor R5 is connected with a resistor R2.

The utility model discloses a theory of operation is: when the injector is used for injecting medicine into a patient, the switch S1 is pressed, the diode D2 lights and displays the circuit to be conducted, medicine liquid is injected into the patient, the switch S2 (at 0.5ML medicine) and the switch S3 (at 3ML medicine) are both disconnected, the input ends of the NOT gate U3 and the NOT gate U4 are at low level, the output end of the NOT gate U4 is at high level, the two input ends of the AND gate U5 are at high level, the AND gate U5 outputs high level, the integrated circuit U1 (555 timer) is conducted, the capacitor C2 controls the voltage on the No. 2 pin and the No. 6 pin of the integrated circuit U1 through power absorption and discharge, the No. 3 pin of the integrated circuit U1 outputs square wave signals, and the SPEAKER SPEAKER prompts that the medicine injection amount is too low; when the injected medicine is 0.5ML-3ML, the switch S2 is closed due to the pushing of the injector, the switch S3 still bounces open, the AND gate U2 outputs low level, the AND gate U5 outputs low level, so that the No. 4 pin of the integrated circuit U1 is voltage input, the loudspeaker does not sound, and the normal injection medicine amount is displayed; when the injected medicine exceeds 3ML, the injector pushes to close the switch S2 and the switch S3, the AND gate U5 outputs low level, the AND gate U2 outputs high level to supply power to the No. 4 pin of the integrated circuit U1, and the capacitor C2 draws and discharges to enable a SPEAKER to sound to prompt that the medicine is over-injected.

Embodiment 2, based on embodiment 1, fig. 3 shows a 555 timer, and the 555 timer is an integrated circuit chip, and is commonly used for a timer, a pulse generator, and an oscillator circuit. 555 may be implemented as a delay device, flip-flop, or oscillation element in the circuit. 555 timers were introduced in 1971 by the company sigma-nipeck, and have been widely used in the design of electronic circuits until today due to their ease of use, low cost and good reliability. Many manufacturers produce 555 chips, including both traditional models using bipolar transistors and versions using CMOS designs. 555 is considered one of the highest yield chips in the current year, with about 10 million chips in only 2003.

FIG. 4 is a pictorial view of an injector, 11-cylinder filled with medication, injected through the 10-cylinder while pushing the 12-plunger rod, with a warning being issued when the medication does not reach 0.5ML as pushed by the plunger rod; when the injected medicine is 0.5ML-3ML, no warning is given; when the injected medicine is more than 3ML, a warning is given.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An injector with an alarm function comprises a power supply module, a switch module, a square wave generation module, an injection control module and a loudspeaker chirping module, and is characterized in that the power supply module is connected with the switch module, the switch module is connected with the square wave generation module, the injection control module and the square wave generation module and is connected with the injection control module and the loudspeaker chirping module, the power supply module consists of a battery E1 and a diode D1, the switch module consists of a switch S1, a diode D2, a resistor R1 and a capacitor C1, the square wave generation module consists of an integrated circuit U1, a resistor R3, a resistor R4, a potentiometer RP1, a capacitor C2 and a capacitor C3, the injection control module consists of a resistor R6, a switch S2, a switch S3, an AND gate U2, an AND gate U5, a NOT gate U3 and a NOT gate U4, and the loudspeaker chirping module consists of a loudspeaker 539ER, a resistor R5 and a resistor R2;

the anode of battery E1 is connected with the anode of diode D1, the cathode of diode D1 is connected with switch S1, the other end of switch S1 is connected with the anode of diode D1, capacitor C1, pin 8 of integrated circuit U1 and resistor R1, the cathode of diode D1 is connected with resistor R1, the other end of resistor R1 is connected with the cathode of battery E1, the other end of resistor R1 is connected with resistor R1, the other end of resistor R1 is connected with potentiometer RP1 and pin 7 of integrated circuit U1, the other end of potentiometer RP1 is connected with capacitor C1, pin 2 of integrated circuit U1 and pin 6 of integrated circuit U1, the other end of capacitor C1 is connected with resistor R1, the other end of resistor R1 is connected with the cathode of battery E1, pin 5 of integrated circuit U1 is connected with capacitor C1, the other end of capacitor C1 is connected with resistor R1, and pin 1 of integrated circuit U1 is connected with resistor R1;

2. The injector with alarm function of claim 1, wherein said integrated circuit is a model U1 with a 555 timer.

3. The injector with alarm function of claim 1, wherein said diode D1 is a current limiting diode and diode D2 is a light emitting diode.

4. The syringe with alarm function of claim 1, wherein switch S2 is at 0.5ML capacity and switch S3 is at 3ML capacity of the syringe.

5. The injector with alarm function according to claim 4, wherein the power terminals of the AND gate U2, the AND gate U5, the NOT gate U3 and the NOT gate U4 are connected to the other end of the switch S1.