Heating/Solvent Responsive Shape‐Memory Polymers for Implant Biomedical Devices in Minimally Invasive Surgery: Current Status and Challenge

2020 ◽  
Vol 20 (8) ◽  
pp. 2000108 ◽  
Author(s):  
Rui Xiao ◽  
Wei Min Huang
Keyword(s):  
Minimally Invasive Surgery ◽  
Minimally Invasive ◽  
Shape Memory ◽  
Invasive Surgery ◽  
Shape Memory Polymers ◽  
Current Status ◽  
Biomedical Devices

scholarly journals Current status of minimally invasive surgery for gastric cancer: A literature review to highlight studies limits

2015 ◽  
Vol 17 ◽  
pp. 34-40 ◽  
Author(s):  
Amilcare Parisi ◽  
Ninh T. Nguyen ◽  
Daniel Reim ◽  
Shu Zhang ◽  
Zhi-Wei Jiang ◽  
...  
Keyword(s):  
Gastric Cancer ◽  
Minimally Invasive Surgery ◽  
Literature Review ◽  
Minimally Invasive ◽  
Invasive Surgery ◽  
Current Status

scholarly journals Chitosan scaffolds with a shape memory effect induced by hydration

2014 ◽  
Vol 2 (21) ◽  
pp. 3315-3323 ◽  
Author(s):  
Cristina O. Correia ◽  
João F. Mano
Keyword(s):  
Minimally Invasive Surgery ◽  
Minimally Invasive ◽  
Shape Memory ◽  
Shape Memory Effect ◽  
Memory Effect ◽  
Invasive Surgery ◽  
Porous Scaffolds ◽  
Chitosan Scaffolds

Chitosan-based porous scaffolds exhibit a shape memory effect triggered by hydration, and they are candidates for applications in minimally invasive surgery.

Minimally Invasive Surgery of Rectal Cancer: Current Evidence and Options

2012 ◽  
pp. 214-218 ◽  
Author(s):  
Atthaphorn Trakarnsanga ◽  
Martin R. Weiser
Keyword(s):  
Rectal Cancer ◽  
Colon Cancer ◽  
Minimally Invasive Surgery ◽  
Minimally Invasive ◽  
Invasive Surgery ◽  
Oncologic Outcomes ◽  
Current Status ◽  
Current Evidence ◽  
Short Term ◽  
Invasive Approach

Overview: Minimally invasive surgery (MIS) of colorectal cancer has become more popular in the past two decades. Laparoscopic colectomy has been accepted as an alternative standard approach in colon cancer, with comparable oncologic outcomes and several better short-term outcomes compared to open surgery. Unlike the treatment for colon cancer, however, the minimally invasive approach in rectal cancer has not been established. In this article, we summarize the current status of MIS for rectal cancer and explore the various technical options.

A novel variable-stiffness flexible manipulator actuated by shape memory alloy for minimally invasive surgery

2018 ◽  
Vol 232 (11) ◽  
pp. 1098-1110 ◽  
Author(s):  
Yanfei Cao ◽  
Feng Ju ◽  
Lei Zhang ◽  
Dongming Bai ◽  
Fei Qi ◽  
...  
Keyword(s):  
Minimally Invasive Surgery ◽  
Shape Memory Alloy ◽  
Minimally Invasive ◽  
Shape Memory ◽  
Invasive Surgery ◽  
Variable Stiffness ◽  
Flexible Manipulator ◽  
Phase Transformation Temperature ◽  
Shape Memory Alloy Wire ◽  
Alloy Wire

This article presents a novel variable-stiffness flexible manipulator for minimally invasive surgery. Each module of the proposed manipulator contains a variable-stiffness mechanism actuated by proactive deformation of shape memory alloy. Due to low driving current, apparent mechanical deformation, suitable phase transformation temperature and biocompatibility of shape memory alloy wire actuation, it is well suited for the manipulator applied in minimally invasive surgery, where variable stiffness is urgently required. In this article, the conceptual design, elastic modulus model, thermo-electric model, stiffness controlling method and finite element method simulation for a single module of the proposed variable-stiffness flexible manipulator are presented. Moreover, the memory shape setting experiment of shape memory alloy wire and fabrication of the single module are carried out. Finally, stiffness characterizations of the mechanism and the single module are studied separately, theoretically and experimentally.

Sign in / Sign up

Export Citation Format

Share Document