Title :
Development of A Shape Memory Alloy Actuator for Transanal Endoscopic Microsurgery
Author :
Wang, Zhigang ; Hewit, Jim ; Abel, Eric ; Slade, Alan ; Steele, Bob
Author_Institution :
Div. of Mechanical Eng., Dundee Univ.
Abstract :
This paper describes problems in traditional transanal endoscopic microsurgery (TEM), and proposes a mechatronics approach in new design. As one of several actuation mechanisms to expose rectal cavity, a compression coil spring made of shape memory alloy (SMA) has been studied. A custom SMA spring actuator was designed to displace 12 mm with 45 N driving force. This actuator was embedded with our new TEM tubular structure and can be used to expose a rectal site up to 60 mm wide and 80 mm long. This exposure is considered to be sufficient for treating many tumors
Keywords :
actuators; endoscopes; mechatronics; medical control systems; shape memory effects; surgery; tumours; 60 mm; 80 mm; TEM; compression coil spring; mechatronics; rectal cavity; shape memory alloy actuator; transanal endoscopic microsurgery; tumors; Actuators; Coils; Mechatronics; Microsurgery; Resistance heating; Shape memory alloys; Springs; Steel; Surgery; Temperature distribution;
Conference_Titel :
Engineering in Medicine and Biology Society, 2005. IEEE-EMBS 2005. 27th Annual International Conference of the
Conference_Location :
Shanghai
Print_ISBN :
0-7803-8741-4
DOI :
10.1109/IEMBS.2005.1615426
