公开(公告)号：US20200271624A1

公开(公告)日：2020-08-27

申请号：US16646396

申请日：2018-10-30

Applicant: UNIVERSIDAD DE LA REPUBLICA

Inventor： Nicolás BENECH ,  Gustavo GRINSPAN ,  Sofía AGUIAR ,  Carlos NEGREIRA

IPC: G01N29/07 ,  G01N29/24 ,  G01N29/42 ,  G01N29/44 ,  G01N29/52 ,  G01K13/00 ,  G01L5/00 ,  G01C3/02 ,  A61B5/00 ,  A61B5/01

Abstract: The invention comprises a device and method to estimate the elasticity of soft elastic solids from surface wave measurements. The method is non-destructive, reliable and repeatable. The final device is low-cost and portable. It is based in audio-frequency shear wave propagation in elastic soft solids. Within this frequency range, shear wavelength is centimeter sized. Thus, the experimental data is usually collected in the near-field of the source. Therefore, an inversion algorithm taking into account near-field effects was developed for use with the device. Example applications are shown in beef samples, tissue mimicking materials and in vivo skeletal muscle of healthy volunteers