Three-dimensional micro spike and method of manufacturing the same

A micro spike comprising:

• a main body part capable of being insertion-mounted to a medical device and inserted into the body along with said medical device for picking a tissue sample from an organ in a body;
• at least two pairs of extension parts inserted into a tissue of the organ in the body when picking the tissue sample and integrally extended from upper and lower parts of one side of the main body part, wherein a pair of extension parts consists of two extension parts, one of which is extended from a left part of the one side of the main body part, and the other of which is extended from a right part of the one side of the main body part;
• and
• protrusion parts integrally protruded from opposing side surfaces of each of the pair of the extension parts and inserted into the tissue to pick the tissue sample together with the extension parts when picking the living tissue sample.