Patent ID: 8657761
Filing Date: 2014-02-25
Classification: A61B,A61M

Abstract:
1. An apparatus for inserting a needle comprising: a needle unit configured to be inserted into a human body; a drive unit configured to provide a drive force to the needle unit such that the needle unit reciprocates between an insertion position at which the needle unit is inserted into the human body and a withdrawal position at which the needle unit is withdrawn to the outside of the human body; and a guide unit including a plurality of guide links each having at least two links relatively rotated by the drive force of the drive unit and radially disposed around the needle unit, and configured to guide the needle unit such that the needle unit translates between the insertion position and the withdrawal position in a longitudinal direction of the needle unit; wherein the drive unit comprises: wherein the guide unit further comprises a guide ring connected to any one of at least two links included in the plurality of guide links to reciprocate in a longitudinal direction of the link.