CN2505110Y - Infusion tube - Google Patents

Abstract

The utility model relates to a medical device, in particular to an infusion tube, the burette of the infusion tube is provided with a sphere inside, the diameter of the sphere is slightly larger than the inner diameter of a thin tube on the lower part of the burette, and the gravity of the sphere is smaller than that of the drug liquid inside the infusion tube. The sphere descends along with the liquid surface in the burette when the infusion is ending, thereby obstructing the mouth of the thin tube below, and preventing the air from being pushed into the blood vessel.

Description

A kind of novel perfusion tube

Affiliated technical field

This utility model relates to a kind of armarium, refers in particular to a kind of fluid delivery apparatus.

Background technology

Transfusion is an important means of guaranteeing clinical treatment, and transfusion device is to use the high medical supplies of frequency, needs higher safety.Yet existing disposable infusion equipment but exists some potential safety hazards.During pressure transfusion, when medicinal liquid had flowed, air can be pressed into blood vessel, and aeroembolism takes place, and gave people's life security work the mischief (degree is according to the air admission amount).Therefore, must there be the nursing staff to nurse, like this, have not only wasted the labour force, also strengthen nursing staff's workload.And, also make before medicinal liquid has flowed, to stop transfusion from medicine bottle, caused the waste of medicinal liquid.

Summary of the invention

There is potential safety hazard in order to overcome existing transfusion device, wasting manpower and material resources's shortcoming, this utility model provides a kind of tube for transfusion, makes to cut off automatically in the time will having flowed at medicinal liquid, and air can not be pressed into blood vessel.

This utility model is achieved in that and is placed with a spheroid in the dropper of tube for transfusion, and the diameter of described spheroid is greater than the internal diameter of the tubule of dropper bottom, and spheroid proportion is less than the proportion of tube for transfusion inner liquid medicine.

When the end of infusion process convergence, spheroid descends along with the decline of the liquid level of dropper herb liquid, thereby the tubule mouth below stopping up avoids air to be pressed into blood vessel.

Description of drawings

Below in conjunction with drawings and Examples this utility model is described further.

Fig. 1 is the structural principle sketch map of this utility model in infusion process.

Fig. 2 is the structural principle sketch map of this utility model when the transfusion convergence finishes.

The specific embodiment

As shown in Figure 1, in the dropper of tube for transfusion, be placed with a spheroid (1), because spheroid (1) proportion so spheroid swims in above the medicinal liquid, does not influence the dirty of medicinal liquid less than the proportion of tube for transfusion inner liquid medicine (3).

As shown in Figure 2, when the transfusion convergence finishes, spheroid (1) descends along with the decline of the liquid level of dropper herb liquid, because the diameter of spheroid (1) is greater than the internal diameter of the tubule (2) of dropper bottom, spheroid (1) mouth of pipe inwall driving fit below dropper, thereby the tubule mouth below stopping up avoids air to be pressed into blood vessel.

Claims (1)

1. A kind of novel perfusion tube is characterized in that, is placed with a spheroid (1) in the dropper of tube for transfusion, and the diameter of described spheroid (1) is greater than the internal diameter of the tubule (2) of dropper bottom, and spheroid (1) proportion is less than the proportion of tube for transfusion inner liquid medicine (3).

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