Portable Ultrasound
Portable Ultrasound - Related Videos
09:07
Sonodynamic Therapy for the Treatment of Glioblastoma Multiforme in a Mouse Model Using a Portable Benchtop Focused Ultrasound System
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Cited by 5 •
2023
Here, we describe a protocol that details how to perform sonodynamic therapy in an in vivo mouse glioblastoma model using magnetic resonance-guided focused ultrasound.
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...
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.
10:11
Portable Intermodal Preferential Looking (IPL): Investigating Language Comprehension in Typically Developing Toddlers and Young Children with Autism
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Cited by 32 •
2012
A reliable home-based way to assess the language comprehension of very young typically developing children, as well as those with autism, is described. The method analyzes children's eye gaze while viewing side-by-side images but hearing an audio that matches only one image. Stimuli are designed with young participants in mind.
07:44
Assessment of Cerebral Lateralization in Children using Functional Transcranial Doppler Ultrasound (fTCD)
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Cited by 30 •
2010
Functional transcranial Doppler sonography (fTCD) is a simple and non-invasive ultrasound technique which can be used to assess the lateralization of cognitive functions, especially language, and is suitable for use with children.
FAQs
Piezoelectric elements serve as both the acoustic transmitter and receiver within the probe. Electrical pulses make them emit high-frequency sound, while returning echoes generate signals that the system can analyze. This bidirectional conversion allows a compact handheld device to collect imaging information without requiring separate large components, a design feature central to portability and bedside use.
Using sound instead of ionizing radiation allows Portable Ultrasound to provide imaging in contexts where avoiding ionizing exposure is important. Its compact format also supports point-of-care assessment and bedside monitoring, so clinicians can obtain real-time visualization near the patient rather than relying exclusively on conventional scanners that may be difficult to access.
Echo timing and amplitude give the imaging software two complementary signal characteristics to analyze. The returning echoes are processed according to when they arrive and how strong they are, enabling construction of real-time images. For bioengineering, this signal-processing pathway links the probe’s physical response to usable visual information during assessment or monitoring.
The basic workflow starts with electrical pulses delivered to the probe’s piezoelectric elements. Those elements produce acoustic waves and detect the returning echoes, while software analyzes echo timing and amplitude to construct an image in real time. In practice, this compact sequence supports rapid bedside assessment and monitoring without depending on a full conventional scanner.
Portable Ultrasound is especially relevant for point-of-care assessment, bedside monitoring, and image-guided procedures. Its small form factor and rapid operation are valuable when conventional scanners are difficult to access, allowing imaging capabilities to be brought closer to the patient. These characteristics make the technology suitable for clinical situations requiring localized and timely physiological visualization.
Wireless systems and artificial intelligence are expanding research beyond the handheld device itself. Their potential integration supports development of more connected tools, while ongoing engineering efforts also target greater affordability. Together, these directions strengthen the relevance of portable ultrasound for clinical care and physiological measurement, particularly when researchers seek compact systems that can operate in accessible settings.