How do I use a syringe to suck medicine out of a sealed bottle of medicine? How come I can't pull the syringe and it always sucks backwards?

There is a blue dot around the neck of the bottle, use a small button sized grinding wheel to make a circle along the blue dot, and it's much easier to break it off at that location. If you don't have a grinding wheel, you can use something else instead. In fact, sometimes we do not scratch, directly along the blue point to break open. If you are afraid of scratching your hand, you can wrap it with a cloth, which also prevents the glass from splashing.

Some bottles have a red dot, thumb hold it down, right hand pinch the upper part of the bottle, left hand pinch the bottle, to concave in the bottle as a point of force, and then break the hand, do not have to be afraid of, really afraid to find a paper package and then break.

At the same time, the drug should usually be placed in a cool place, and children can not touch the place. After the use of good to deal with the bottle, can not be discarded. Pollution of the environment. It should be wrapped in a garbage bag and indicate on the surface that there are fragile items inside.

Expanded Information

Ampoules are glass bottles, similar to bowling ball bottles, used for injections.

The jugs are generally thin and have a small capacity, but have a good seal. The top of the glass is sealed with a heat treatment. It is often scratched at its neck and can be opened by scratching the outside with a hard object.

Syringes are a common medical device. As early as the 15th century, the principle of the syringe was introduced by the Italian Catinel. A needle is used to inhale or inject a gas or liquid.

Syringes are also used in medical devices, containers, and some scientific instruments for chromatography injected through a rubber septum.

The emergence of needleless syringes was an epoch-making revolution in the field of medical devices. The advent of syringes was an epoch-making revolution in the field of medical devices, using needles to extract or inject gases or liquids in a process known as injection.

A small hole in the front end of the syringe barrel and a matching piston mandrel are used to inject small amounts of liquid or other methods of hard to reach areas or places, the mandrel is drawn when the liquid or gas is inhaled through a cylindrical hole, the mandrel is fashioned to squeeze the liquid or gas.

According to the history of medicine, the earliest form of syringe was the enema. In his Treatise on Typhoid Fever (219 A.D.), Zhang Zhongjing, a Chinese medical doctor of the Han Dynasty, wrote: "Yangming disease is self-sweating. If a person sweats and urinates for his own benefit, this is the exhaustion of bodily fluids. Although stools are difficult to attack, there must be a desire for self-laxation, and a decoction of sweet water is advisable. If soil melon root and large pig's bile, it can be guided."

In this book, "pig bile formula" article also clearly states that "pig bile a little bigger, laxative juice and a little bit of vinegar, to fill the Valley Road (anus), such as eating the essence of the stool, in the stool, in the place of eating the evil is very effective." How to "canyon"?

He wrote: "With a small bamboo tube into the valley." This bamboo tube is a prototype for an enema or syringe.

References:

Baidu Encyclopedia-An Anatomical Vase