Piezoelectric contrast materials for ultrasound imaging

Bruce C. Towe

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Piezoelectric ceramics and polymers can be used as a type of marker and contrast material for medical ultrasound imaging systems. High-frequency electrical signals are detected from surface electrodes when these materials are introduced into conducting media such as tissue and scanned by ultrasound imaging systems. Detected signals are applied to the imaging circuits of a modified ultrasound system such that they display a unique type of electrical image that shows the piezomaterial's polarization, shape, and position at arbitrarily high contrast compared to the conventional ultrasound acoustic image. The resulting piezoelectric image can be merged in real-time with conventional ultrasound acoustic imaging to form a composite image. This approach is of interest in the development of improved techniques for imaging medical devices that are implanted or otherwise introduced into the body.

Original languageEnglish (US)
Pages (from-to)1483-1488
Number of pages6
JournalIEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
Volume52
Issue number9
DOIs
StatePublished - Sep 2005

Fingerprint

Ultrasonics
Imaging techniques
Imaging systems
acoustic imaging
piezoelectric ceramics
Acoustic imaging
markers
Piezoelectric ceramics
Medical imaging
conductors
Acoustics
composite materials
electrodes
acoustics
Polarization
Tissue
polymers
polarization
Electrodes
Networks (circuits)

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Acoustics and Ultrasonics

Cite this

Piezoelectric contrast materials for ultrasound imaging. / Towe, Bruce C.

In: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, Vol. 52, No. 9, 09.2005, p. 1483-1488.

Research output: Contribution to journalArticle

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