%0 Conference Paper %B Electroactive Polymer Actuators and Devices (EAPAD) 2009 %D 2009 %T Electrically-activated catheter using polypyrrole actuators: cycling effects %A Madden, Tissaphern Mirfakhrai and Tina Shoa and Niloofar Fekri and John %E Yoseph Bar-Cohen and Thomas Wallmersperger %I SPIE %P 72871I %U http://link.aip.org/link/?PSI/7287/72871I/1 %V 7287