Shape memory polymer variable stiffness magnetic catheters with hybrid stiffness control
Michael Mattmann,Quentin Boehler,Xiang-Zhong Chen,Salvador Pané,Bradley J. Nelson,Michael Mattmann,Quentin Boehler,Xiang-Zhong Chen,Salvador Pané,Bradley J. Nelson
Variable stiffness catheters typically rely on thermally induced stiffness transitions with a transition temperature above body temperature. This imposes considerable safety limitations for medical applications. In this work, we present a variable stiffness catheter using a hybrid control strategy capable of actively heating and actively cooling the catheter material. The proposed catheter is made...
