Measurement of elastic properties of blood vessels.
This paper is related to the measurements of the modulus of elasticity of an artery by studying the deformations due to the inflation of an angioplasty balloon catheter used for Interventional Radiology (IR) procedures. Various types of balloons are studied in order to characterize and compare their behaviors at the time of inflation. A test bench, consisting of an angioplasty balloon, a Polyvinyl alcohol model and an actuator used to inflate a balloon, is developed for the realization of the experiments. The pressure-volume curve during the inflation of a balloon is observed. Elasticity modulus are derived with an analytical model of the measurement system. The results are then analyzed and compared to existing data from literature.
Ilic
D
D
Laboratoire de Systemes Robotiques, Ecole Polytechnique Fèdèrale de Lausanne, 1015 Lausanne, Switzerland. dejan.ilic@epfl.ch.
Moix
T
T
Lambercy
O
O
Sache
L
L
Bleuler
H
H
Ohta
M
M
Augsburger
L
L