Patent ID: 8540678

Claim:
A device for delivery of a biodegradable micro-needle across a biological barrier, wherein the micro-needle comprises a therapeutically active ingredient and a biodegradable polymer, the device comprises a micro-needle strip comprising one or more biodegradable micro-needles, a housing ( 7 ), a roll( 1 ), a main piston ( 2 ), an auxiliary piston ( 4 ) and a cutter ( 8 ), and a mechanism to select the number of biodegradable micro-needles to be delivered; the device is characterized in that it comprises a mechanism to cut, position and discharge on to the skin, a selected portion of biodegradable micro-needle corresponding to a selected dose of the therapeutic active ingredient to be delivered; said mechanism comprises the cutter ( 8 ) and auxiliary piston ( 4 ) directly attached to the main piston ( 2 ).