A MICRO NEEDLE UNIT HAVING CONTROLLING FUNCTION OF FLUID DELIVERY

摘要

PURPOSE: A microneedle unit is provided, which can transfer fluid to the skin simply and repetitively without an additional device. CONSTITUTION: A microneedle unit comprises: a case(1) which comprises a space accepting fluid and in which a flow path is formed so that the fluid can be exhausted; a microneedle(2) combined with the lower part of the case; a base cover(3) which locates in the lower part of the case and is movable to top and bottom and in which a hole is formed to pass a microneedle; a guide pin which is combined with the base cover and performs an opening and closing role of the flow path; and a spring(5) providing restoring force.