Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Using the cavitation collapse time to indicate the extent of histotripsy-induced tissue fractionation.

Physics in medicine and biology·2018

Same author

Monozygotic twins discordant for primary aldosteronism: a case report.

Journal of human hypertension·2017

Same author

Monozygotic twins discordant for primary aldosteronism: a case report.

Journal of human hypertension·2017

Same author

Angiotensin II Type 1 Receptor Binding Molecule ATRAP as a Possible Modulator of Renal Sodium Handling and Blood Pressure in Pathophysiology.

Current medicinal chemistry·2015

Same author

In vivo transcostal histotripsy therapy without aberration correction.

Physics in medicine and biology·2014

Same author

First successful case of non-invasive in-utero treatment of twin reversed arterial perfusion sequence by high-intensity focused ultrasound.

Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology·2013

Search research articles

Related Experiment Video

Updated: Jul 7, 2026

Real-time Monitoring of High Intensity Focused Ultrasound (HIFU) Ablation of In Vitro Canine Livers Using Harmonic Motion Imaging for Focused Ultrasound (HMIFU)

Real-time Monitoring of High Intensity Focused Ultrasound (HIFU) Ablation of In Vitro Canine Livers Using Harmonic Motion Imaging for Focused Ultrasound (HMIFU)

Published on: November 3, 2015

The sector-vortex phased array: acoustic field synthesis for hyperthermia.

S Umemura¹, C A Cain

¹Hitachi Ltd., Tokyo.

IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control

|January 1, 1989

Summary

A novel sector-vortex phased array generates annular acoustic foci without secondary foci. This technology allows for precise control over power deposition patterns, potentially enabling targeted tumor heating.

More Related Videos

A Computational Modeling Approach to Investigate the Influence of Hyperthermia on the Tumor Microenvironment

A Computational Modeling Approach to Investigate the Influence of Hyperthermia on the Tumor Microenvironment

Published on: December 1, 2023

Synthesis of Phase-shift Nanoemulsions with Narrow Size Distributions for Acoustic Droplet Vaporization and Bubble-enhanced Ultrasound-mediated Ablation

Synthesis of Phase-shift Nanoemulsions with Narrow Size Distributions for Acoustic Droplet Vaporization and Bubble-enhanced Ultrasound-mediated Ablation

Published on: September 13, 2012

Related Experiment Videos

Last Updated: Jul 7, 2026

Real-time Monitoring of High Intensity Focused Ultrasound (HIFU) Ablation of In Vitro Canine Livers Using Harmonic Motion Imaging for Focused Ultrasound (HMIFU)

Real-time Monitoring of High Intensity Focused Ultrasound (HIFU) Ablation of In Vitro Canine Livers Using Harmonic Motion Imaging for Focused Ultrasound (HMIFU)

Published on: November 3, 2015

A Computational Modeling Approach to Investigate the Influence of Hyperthermia on the Tumor Microenvironment

A Computational Modeling Approach to Investigate the Influence of Hyperthermia on the Tumor Microenvironment

Published on: December 1, 2023

Synthesis of Phase-shift Nanoemulsions with Narrow Size Distributions for Acoustic Droplet Vaporization and Bubble-enhanced Ultrasound-mediated Ablation

Synthesis of Phase-shift Nanoemulsions with Narrow Size Distributions for Acoustic Droplet Vaporization and Bubble-enhanced Ultrasound-mediated Ablation

Published on: September 13, 2012

Area of Science:

Acoustic physics
Medical imaging and therapy
Phased array technology

Background:

Conventional phased arrays often produce undesirable secondary foci, complicating precise energy delivery.
The need for controlled acoustic field generation is critical for therapeutic applications like hyperthermia.

Purpose of the Study:

To analyze a sector-vortex phased array for generating directly annular-shaped foci.
To investigate the control of acoustic field characteristics, specifically focal patterns and power deposition.
To evaluate the potential for targeted heating of biological tissues, such as nonsuperficial tumors.

Main Methods:

Theoretical analysis of a sector-vortex phased array.
Driving array sectors with phase-modulated signals (M rotations).
Computer simulations of acoustic fields and power deposition patterns using a dual-track array.

Main Results:

The sector-vortex array successfully generated annular foci in the focal plane, free from secondary foci.
Focal annulus diameter is controllable by the mode number (M) and array track configuration.
Simulations demonstrated achievable power deposition patterns for heating peripheral and central tumor regions.

Conclusions:

The analyzed sector-vortex phased array offers precise control over acoustic focal patterns.
This technology enables the generation of secondary-foci-free annular sound fields.
The dual-track configuration shows promise for targeted hyperthermia treatment of tumors.