[LAMBERT - Fluidic and Flexible Microrobotics] - Heat Actuated Smart Materials: Study of heat transmission solutions for smart catheters | BEAMS

[LAMBERT - Fluidic and Flexible Microrobotics] - Heat Actuated Smart Materials: Study of heat transmission solutions for smart catheters

Project information
Project type: 
Master thesis
Academic year: 
2017-2018
Status: 
Proposal
Research unit: 
Micro-Bio-Mechatronics
BEAMS supervisors
Academic promoter
Supervisor

In the medical field, during minimally invasive procedures, most of the devices (endoscopes, catheters, guidewires, etc.) need to be sufficiently flexible to avoid damaging patient tissues or causing pain, but have to be stiff enough to transmit force for support or for puncture. In the case of vascular stenosis, the guidewire has to be flexible to reach the stenosis (through the blood vessels), but it requires a rigid support to pass through the occlusion for treatment, to avoid buckling or deformation due to the force application. In order to solve this duality on the rigidity, controllable stiffness mechanisms can be used. Various mechanisms to control the stiffness can be found in the literature [1]. One of the promising solutions to achieve this objective is based on the use of “smart” polymers. This research aims at studying the scaling laws of such solutions for miniaturized applications (with diameters below 3mm), the mechanical rules of design and the optimization based on the stiffness performances [...]

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