Design of a tissue resonator indenter device for measurement of soft tissue viscoelastic properties
by Alireza Hariri, Jean W. Zu
International Journal of Biomechatronics and Biomedical Robotics (IJBBR), Vol. 1, No. 2, 2010

Abstract: The design of a new device called tissue resonator indenter device (TRID) for measuring soft tissue viscoelastic properties is presented. The two degrees-of-freedom device works based on mechanical vibration principles. When TRID comes into contact with a soft tissue, it identifies the tissue's viscoelastic properties through the change of its natural frequencies and damping ratios. By working in the linear viscoelastic domain, TRID is designed to identify tissue properties in the range of 0-100 Hz. Assuming Kelvin tissue model, a method is developed for determining unknown tissue parameters using input-output data from TRID. A parametric identification method using the prediction error approach is proposed for identifying the unknown tissue parameters, which is proved to be globally identifiable, in a grey-box state-space model. The effectiveness of the identification method is demonstrated using simulation in the presence of considerable input and output noises.

Online publication date: Thu, 06-May-2010

The full text of this article is only available to individual subscribers or to users at subscribing institutions.

 
Existing subscribers:
Go to Inderscience Online Journals to access the Full Text of this article.

Pay per view:
If you are not a subscriber and you just want to read the full contents of this article, buy online access here.

Complimentary Subscribers, Editors or Members of the Editorial Board of the International Journal of Biomechatronics and Biomedical Robotics (IJBBR):
Login with your Inderscience username and password:

    Username:        Password:         

Forgotten your password?


Want to subscribe?
A subscription gives you complete access to all articles in the current issue, as well as to all articles in the previous three years (where applicable). See our Orders page to subscribe.

If you still need assistance, please email subs@inderscience.com