Epinephrine pen

Abstract

The invention discloses an epinephrine pen. The epinephrine pen comprises a pen body. A medicine storage device is arranged in the pen body, the bottom end of the medicine storage device is connected with a piston rod through a medicine sealing film, medicine storage device springs are symmetrically installed on the two sides of the medicine storage device, a medicine outlet of the medicine storage device is located below a lower needle, the lower needle is connected with an upper needle through a medicine tube, the medicine tube is sleeved with a spring and an ejection base, the spring is installed on the ejection base, and a spring chuck is arranged at the bottom end of a wedge-shaped device. The epinephrine pen is simple in structure, low in manufacturing cost and high in practicality, can be used by allergic constitution patients, more convenience is brought for the patients to inject medicine by themselves, the epinephrine pen is exactly like a pen, can be put in a pocket or a wallet, and is convenient to carry, injection is rapid and convenient, the epinephrine liquid medicine is stored in a refill, the refill and the pen body are connected, the specially-designed needles are ultrafine and ultrashort, needle points are sharp, needle tubes are smooth, no pain is generated in the injection process, the agent application amount is accurate, and production and use are promoted.

Description

technical field [0001] The present invention relates to a pen, in particular to an epinephrine pen. Background technique [0002] With the influence of the environment, various allergens are constantly increasing, such as type I allergic reactions caused by food, drugs, pollen, dust, insect bites, etc., which come very quickly, progress rapidly, and are critically ill, and may appear laryngeal edema, chest tightness, shortness of breath. Accompanied by frequent death, pale complexion, cold sweat, cyanosis, weak pulse, decreased blood pressure, restlessness, itching, urticaria, allergic purpura and other symptoms are life-threatening, and it is easy to cause death if the rescue is not timely. Anaphylactic shock is mainly manifested as dilation of small blood vessels and increased capillary permeability, decrease in circulating blood volume, decrease in blood pressure, spasm of smooth muscle of branch vessels, and difficulty in breathing. Epinephrine is an anti-shock vasoacti...

AI Technical Summary

Problems solved by technology

[0004] The present invention proposes an adrenaline pen, which solves the time delay in the prior art that adrenaline must be carried out by a professional doctor or nurse, from the onset of the disease to the hospital, and injected with a syringe. Treatment; inaccurate dose control during application will cause the problem of drug waste

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