Automatic exhaust transfusion system

Abstract

The invention relates to a sterile medical appliance for clinical transfusion, in particular to an automatic exhaust transfusion system. The automatic exhaust transfusion system comprises a bottle cork puncture outfit protective casing, a bottle cork puncture outfit, a short transfusion catheter, a short exhaust catheter, an air filter, a dropping funnel cover, an automatic exhaust component, a liquid medicament injection element, a dropping funnel, a flow rate adjuster, a long transfusion catheter, a liquid medicament filter and a disposable intravenous infusion needle, wherein the automatic exhaust component is arranged on the dropping funnel cover and consists of an exhaust needle and the air filter; the exhaust needle runs through the dropping funnel cover to cling to the inner wall of the dropping funnel and be extended into the dropping funnel; the air filter is arranged at the upper end of the dropping funnel cover and is linked with the exhaust needle; and an air filter membrane is arranged in the air filter. The automatic exhaust transfusion system can effectively prevent bubbles from being produced and entering the transfusion catheters, and has the characteristics of simple structure, safety and reliability.

Description

technical field [0001] The invention relates to a sterile medical device used for clinical infusion, in particular to an automatic exhaust infusion set. Background technique [0002] At present, the common infusion sets commonly used in the medical field are composed of a bottle stopper piercer protective cover, a bottle stopper piercer, a short infusion catheter, a short exhaust catheter, an air filter, an upper dropper, a drip funnel, a flow regulator, and a long infusion catheter. , liquid medicine filter and disposable intravenous infusion needle and other components. At the beginning of the infusion of ordinary infusion sets, the liquid medicine flows out from the dropper through the pipeline and enters the dripping funnel. The liquid easily discharges the gas in the dropping funnel downwards to form a gas-liquid mixture into the long infusion catheter, thus generating air bubbles. At the same time, Due to the surface tension of the inner wall of the infusion catheter,...

AI Technical Summary

Problems solved by technology

At the beginning of the infusion of ordinary infusion sets, the liquid medicine flows out from the dropper through the pipeline and enters the dripping funnel. The liquid easily discharges the gas in the dropping funnel downwards to form a gas-liquid mixture into the long infusion catheter, thus generating air bubbles. At the same time, Due to the surface tension of the inner wall of the infusion catheter, the inner wall of the infusion catheter is easy to absorb a small amount of air bubbles, and the process of removing the resulting air bubbles is difficult, time-consuming and cumbersome. If the generated air bubbles enter the patient's body, it is easy to cause air embolism and other hazards

Therefore, before the infusion, the medical staff must manually drain the air bubbles in the catheter of the infusion set as much as possible. The usual method of artificial exhaust is: after inserting the cork puncturer into the infusion bottle stopper, first hang the dripping funnel upside down. At the same time, squeeze the dripping funnel with your hands to make the medicine liquid enter the dripping funnel. After a certain amount of liquid is filled with the dropping funnel, put down the dropping funnel to remove most of the air bubbles. This manual air bubble removal process is cumbersome and time-consuming. , not conducive to emergency infusion and rescue patients

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