MICRONEEDLE ROLLER NOT APPLY ELECTRIC CURRENT

摘要

An easy assembly micro-needle roller is provided to facilitate assembly and disassembly of a roller part and a handle part and to prevent falling of micro-needles and injury on skin. An easy assembly micro-needle roller(100) comprises: a roller part(110) having multiple laminated discs with radial shaped grooves on its one side; micro-needles(115) inserted into the radial shaped grooves; pogo pins piercing the central part of the disc to make the disc rotate; and a handle part(120) to fix both ends of the pogo pin.