Infusion warning device

Abstract

The invention discloses an infusion warning device capable of reminding people to replace liquid or pull up infusion needles in time. According to the infusion warning device, a spring is arranged in a spring case, a dividing rule is arranged on one side of the spring case, scale holes are formed in the dividing rule, scale inserting heads are inserted in the scale holes, the scale inserting heads are in an inverted L shape, and fixed contacts are connected to the lower ends of the scale inserting heads in an insulated mode; a connecting rod between the spring case and a lifting hook is connected with a transverse rod, a movable contact which is connected with the transverse rod in an insulated mode is arranged at the right end of the transverse rod, and the movable contact and the fixed contacts are oppositely arranged. The movable contact and the fixed contacts are electrically connected with a warning device body, and the movable contact and the fixed contacts are electrically connected with a calling device. When liquid in a bottle is totally infused, the movable contact is in contact with the fixed contacts, the warning device body or the calling device can be connected, and accompanying relatives or nurses or patients can be reminded to replace liquid or pull up infusion needles in time.

Description

technical field [0001] The invention relates to an alarm device, in particular to a transfusion alarm device. Background technique [0002] When the patient is infusion, he needs to accompany, nurse or patient himself often check how much liquid there is in the infusion bottle, and decide whether to change the liquid or pull out the infusion needle according to the amount of liquid. Sometimes due to untimely inspection, especially during infusion late at night, escorts, nurses or patients are prone to doze off. The pressure in the tube is balanced, and the infusion will stop automatically. At this time, the liquid level in the infusion set is below the drip pot on the infusion set, and blood return often occurs. When changing the liquid, the air under the drip pot needs to be exhausted before the infusion, which brings unnecessary troubles to the infusion. Contents of the invention [0003] The technical problem to be solved by the invention is to provide an infusion a...

AI Technical Summary

Problems solved by technology

Sometimes due to untimely inspection, especially during infusion late at night, escorts, nurses or patients are prone to doze off. The pressure in the tube is balanced, and the infusion will stop automatically. At this time, the liquid level in the infusion set is below the drip pot on the infusion set, and blood return often occurs

When replacing the liquid, the air under the drip pot needs to be exhausted before the infusion, which brings unnecessary troubles to the infusion

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