Biopsy with Thermally-Responsive Untethered Microtools

Gultepe E; Randhawa JS; Kadam S; Yamanaka S; Selaru FM; Shin EJ; Kalloo AN; Gracias DH

Advanced Materials, Vol.25, No.4, 514-519, 2013

DOI10.1002/adma.201203348 Export Citation

Biopsy with Thermally-Responsive Untethered Microtools

Gultepe E, Randhawa JS, Kadam S, Yamanaka S, Selaru FM, Shin EJ, Kalloo AN, Gracias DH

Thermally activated, untethered microgrippers can reach narrow conduits in the body and be used to excise tissue for diagnostic analyses. As depicted in the figure, the feasibility of an in vivo biopsy of the porcine bile duct using untethered microgrippers is demonstrated.

Keywords:actuators;stimuli responsive materials;robotics;self-assembly;self-folding;microsurgery