Ultrasound Transducer
Ultrasound Transducer - Related Videos
03:26
Fixation of Ultrasound Transducers for Spinal Cord Neuromodulation in Mice
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2025
This protocol describes an ultrasound transducer fixation system specifically designed for ultrasound stimulation of the spinal cord in awake mice. The method employs a fixation system to ensure accurate positioning of the ultrasound transducer while simultaneously allowing the experimental subjects to move freely without compromising the precision of stimulation.
10:53
A Novel Application of Musculoskeletal Ultrasound Imaging
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Cited by 14 •
2013
We describe a new ultrasound-based vector tissue Doppler imaging technique to measure muscle contraction velocity, strain and strain rate with sub-millisecond temporal resolution during dynamic activities. This approach provides complementary measurements of dynamic muscle function and could lead to a better understanding of mechanisms underlying musculoskeletal disorders.
14:20
High-frequency Ultrasound Imaging of the Abdominal Aorta
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2023
Source: Amelia R. Adelsperger, Evan H. Phillips, and Craig J. Goergen, Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana High-frequency ultrasound systems are used to acquire high resolution images. Here, the use of a state-of-the-art system will be demonstrated to image the morphology and hemodynamics of small pulsatile arteries and veins found in mice and rats. Ultrasound is a relatively inexpensive, portable, and versatile method for the noninvasive...
09:00
Murine Echocardiography and Ultrasound Imaging
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Cited by 61 •
2010
This video demonstrates use of a rail-mounted high-frequency ultrasound probe to perform echocardiography on an anesthetized mouse. The methods describe both conventional two-dimensional and M-mode measurements of cardiac function in addition to newer, more powerful tools such as color Doppler, strain analysis, as well as general and targeted contrast imaging.
08:41
Ultrasound Velocity Measurement in a Liquid Metal Electrode
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Cited by 14 •
2015
Ultrasound velocimetry is used to study mixing by fluid flow in liquid metal electrodes. The focus of this manuscript is to illustrate the methods used for making precise, spatially-resolved ultrasound measurements while limiting oxidation and controlling and monitoring temperature, applied current, and the heater power being supplied.
FAQs
The element and surrounding materials help determine the transducer’s operating frequency, beam shape, and timing response. These characteristics control how acoustic energy is directed and how returning echoes are associated with locations or interfaces. Engineering the material combination therefore affects whether the device is better suited to imaging, structural inspection, distance sensing, or process monitoring.
During transmission, an alternating voltage deforms the piezoelectric ceramic or crystal, creating an acoustic pulse. When reflected waves return, they produce corresponding electrical charges in the element. The same electromechanical behavior supports both sending and sensing, allowing one device to generate pulses and capture the echoes needed for measurement or imaging.
Frequency, beam shape, and timing determine how the transducer interacts with a target and how received echoes can be interpreted. Beam shape affects where acoustic energy travels, while timing helps relate a returning signal to an interface or measured distance. Together, these parameters support focused inspection, real-time visualization, and noninvasive measurement.
Selection begins with the required measurement outcome, such as an image, structural inspection result, flow measurement, distance reading, or process-monitoring signal. Engineers then consider the frequency, beam shape, timing behavior, and surrounding materials because these characteristics govern energy delivery and echo detection. This application-based approach helps align transducer performance with the system’s sensing task.
For nondestructive testing, the transducer sends acoustic pulses into a structure and detects returning echoes from interfaces. Engineers use those responses to examine internal or structural features without physically cutting or dismantling the item. The ability to focus energy and identify reflected signals supports inspection tasks in which preserving the tested structure is important.
In distance sensing, the timing of a returning echo helps indicate the location of an interface or target. In flow measurement, the transducer supplies acoustic signals for monitoring movement within a system. These uses extend the technology beyond imaging, making it valuable for compact sensors and industrial systems that require noninvasive measurements.
Engineering applications include nondestructive testing, flow measurement, distance sensing, and industrial process monitoring, in addition to medical imaging. Across these settings, the transducer provides acoustic access to interfaces or moving conditions without direct contact with the measured feature. Its capacity for focused energy, echo detection, and compact integration supports inspection and real-time monitoring systems.