1. Fabrication of a micro needle for a trace blood test;Oka;Sens. Actuators,2002
2. Development of a micro lancet needle made of biodegradable polymer for low-Invasive medical treatment;Aoyagi,2005
3. Biodegradable polymer needle having a trench for collecting blood by capillary force;Aoyagi,2006
4. Laser fabrication of polymer and its application to microneedle;Izumi,2006
5. Biodegradable polymer needle with various tip angles and effect of vibration and surface tension on easy insertion;Aoyagi,2007