Terumo will export painless injection needles for diabetics.These are made by Masayuki Okano's small excellent company.He says "batteries of gadgets will disappear ".
TERUMO painless needle
http://www.terumo.co.jp/mds/professionals/products/nanopass33.html
Masayuki Okano wikipedia:
http://ja.wikipedia.org/wiki/%E5%B2%A1%E9%87%8E%E9%9B%85%E8%A1%8C_(%E4%BC%9A%E7%A4%BE%E7%A4%BE%E9%95%B7)