The needle handle or needle end of the needle is provided with an air filtering apparatus and a back flowing preventing apparatus.

In Germany and other countries eggs used for cooking were not broken, but the contents were removed by making a hole from the end of each egg with a needle and blowing the contents into a bowl.

At the end of the procedure, the needle electrode will be removed and pressure will be applied to stop any bleeding and the opening in the skin is covered with a dressing.