Patent 8408920 was granted and assigned to Bayer Healthcare on April, 2013 by the United States Patent and Trademark Office.
A training aid for practicing inserting a needle in a vein, the aid including:a base which is resistant to penetration by a needle;a tube located on one side of the base;a covering which extends over the base and the tube, the arrangement being such that the other side of the base can be placed on the skin of a person so that a needle can then be inserted through the covering to penetrate the tube so as to simulate insertion through the skin and penetration of the vein of the person.