Patent ID: 8118753
Filing Date: 2012-02-21
Classification: A61B,A61M

Abstract:
1. A barb-wired micro needle monolithically formed from a single crystalline silicon 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, the main body part including a medicine storage formed on a portion of one surface thereof and having a recess shape for storing medicine and a fluid passage formed therein to communicate with the medicine storage and made of single crystalline silicon; plural extension parts integrally extending from a side surface of the main body part, provided with the fluid passage therein and capable of being inserted into a biopsy tissue; and plural protrusion parts integrally protruding from a side surface or both side surface of the extension parts, and capable of picking the biopsy tissue, wherein plural outflow ports of the fluid passage are formed on both side surface of each of the extension parts for injecting medicine into an organ in a body.