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Related Concept Videos

Ultrasonography01:17

Ultrasonography

Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
During an ultrasonography procedure, a handheld device called a...
Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
Ultrasound I: Abdominal Ultrasonography01:20

Ultrasound I: Abdominal Ultrasonography

Introduction:
Abdominal ultrasonography, commonly known as abdominal ultrasound, is a vital, non-invasive medical imaging technique widely used in healthcare.
Procedure:
This diagnostic tool allows the clinician to visually inspect internal structures within the abdomen, including vital organs such as the liver, gallbladder, pancreas, kidneys, and spleen.
The abdominal ultrasound process begins with applying a special gel to the patient's skin over the abdomen. This gel enhances the...

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Related Experiment Video

Updated: May 22, 2026

Dual Raster-Scanning Photoacoustic Small-Animal Imager for Vascular Visualization
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Published on: July 15, 2020

Acoustic imaging device with one transducer.

Nicolas Etaix1, Mathias Fink, Ros K Ing

  • 1Institut Langevin, Université Paris 7, ESPCI, CNRS Unité Mixte de Recherche 7587, 10 rue Vauquelin, 75231 Paris Cédex 05, France. nicolas.etaix@espci.fr

The Journal of the Acoustical Society of America
|May 8, 2012
PubMed
Summary
This summary is machine-generated.

This study introduces a novel low-profile imaging device. It uses a single piezoelectric transducer and microphone to locate objects via focused acoustic waves.

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Area of Science:

  • Acoustic imaging
  • Transducer technology
  • Non-regular geometry applications

Background:

  • Traditional imaging systems often require complex setups.
  • Limitations exist in achieving focused acoustic waves with single transducers.
  • Low-profile devices are desirable for specific applications.

Purpose of the Study:

  • To develop a compact imaging device utilizing a single piezoelectric transducer.
  • To demonstrate beam steering and acoustic wave focusing capabilities.
  • To enable object localization using an echographic microphone receiver.

Main Methods:

  • A single piezoelectric transducer bonded to a non-regularly shaped aluminum plate acting as an acoustic cavity.
  • Implementation of beam steering techniques for acoustic wave manipulation.
  • Utilizing a single microphone in echographic mode for signal reception.

Main Results:

  • Successful demonstration of beam steering for acoustic waves.
  • Capability to focus acoustic waves at desired locations in front of the plate.
  • Accurate object localization using the developed echographic imaging system.

Conclusions:

  • The proposed low-profile device effectively uses a single transducer for imaging.
  • Acoustic wave focusing and beam steering are achievable with this setup.
  • The system demonstrates potential for object detection and localization in various scenarios.