micro implement with micro payload is used for painless and safe percutaneous drug delivery . the micro • head made of maltose or saccharide contains drug and stands on micro - stem installed in orifice of stem holder . non drug micro - stem supports the payload to adjust insertion depth and reach an interest region under skin and is set to come out from the orifice just after insertion . the payload is completely bullet - like inserted into skin and the drug contained micro • head in the upper micro payload is also delivered into skin completely . the bioavailability 100 % is accomplished . the inserted payload solves in internal water and releases drug around the interest region . the implement is composed of payload and holder . the payload is unified of micro • head with drug and non - drug micro • stem . all saccharides means ecologically disposable .