Wisconsin Alumni Research Foundation

Technology

UW-Madison researchers are developing an ultrasound based method to provide urodynamic data in an accessible and less invasive way. The technology entails acquiring a pre-void (full bladder volume) us...
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Wade Bushman, Alejandro Roldán-Alzate | P230284US01

Technology

ACOUSTIC SUBWAVELENGTH IMAGING SYSTEM

Acoustic imaging plays a crucial role in various fields, including underwater sonar, nondestructive testing, and biomedical imaging. Ultrasound imaging, in particular, is widely used in medical diagno...
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Chu Ma, Jinuan Lin | P240132US01

Technology

ULTRASOUND PROBE HAND SHIELD

UW-Madison researchers have developed a needle stick shield for use with an ultrasound probe to protect clinicians during needle biopsy.  The design does not interfere with current biopsy needles or ...
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Alejandro Roldán-Alzate, Sylvana García-Rodríguez, Mark Kliewer, Timothy Walker | P220142US01

Technology

MONITORING AIRFLOW WITH B-MODE ULTRASOUND

UW-Madison researchers have developed a method and system for monitoring or quantifying airflow changes in a subject’s airway using B-mode ultrasound. Their approach is compatible with existing ultr...
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Guelay Bilen-Rosas, Humberto Rosas, Irene Ong | P200319WO01

Technology

Image-Guided Biopsy Techniques

A system and method for providing virtual real-time MRI-guidance for a biopsy outside of a conventional MRI scanner is described. MR images and ultrasound images of a region of a patient's body ar...
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Bryan Bednarz, James Holmes, Roberta Strigel, Thomas Foo, L Smith, Warren Lee, David Mills, Jhimli Mitra, Bo Wang | P180015US01

Technology

ULTRASONIC ELASTOGRAPHY WITH ANGULAR COMPOUNDING

Ultrasonic strain measurements, which characterize the structure of tissue, may be obtained by combining multiple echo signals acquired at different compressions and at different angles. Such angular ...
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James Zagzebski, Tomy Varghese | P03415US

Technology

Ultrasound Phantom Having A Curved Surface

A phantom used in quality assurance and performance tests and/or in pre-purchase testing of ultrasound scanners is provided. The phantom includes a container, a boundary formed within the container, a...
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Ernest Madsen, Gary Frank | P110326US01

Technology

Ultrasound System Solves Attenuation Problem

Acoustic Radiation Force Impulse (ARFI) imaging is a type of ultrasound elastography with proven diagnostic value. It works by generating a shear wave and detecting differences in attenuation (scatter...
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Timothy Hall, Ivan Rosado Mendez | P150014US01

Technology

Real-Time 3-D Elastography

Elastography is a type of imaging technique that reveals the stiffness of tissues. It commonly is used to detect tumors and other abnormalities that cause changes in local tissue stiffness. Measuremen...
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Tomy Varghese, Atul Ingle | P140237US01

Technology

Composite Images for Clearer Ultrasound

Ultrasound is a crucial diagnostic tool, capable of imaging body parts like a beating heart and measuring tissue elasticity. Modern systems can produce individual images as well as video. While video ...
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Ray Vanderby, William Sethares, Mon-Ju Wu, Sarah Duenwald-Kuehl, Joseph Karls | P130212US01

Technology

Rapid Three-Dimensional Elasticity Imaging

Elastography is a type of imaging technique that reveals the stiffness of tissues. It commonly is used to detect tumors and other abnormalities that cause changes in local tissue stiffness. Measuremen...
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Tomy Varghese, Atul Ingle | P130117US01

Technology

Cervical Probe Predicts Preterm Delivery Risk

Preterm birth affects 13 million babies every year, resulting in infant deaths, disabilities and medical conditions costing $26 billion annually in the U.S. alone. Preterm birth rates have increased i...
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Timothy Hall, Lisa Reusch, Helen Feltovich | P130172US01

Technology

Elastographic Imaging of the Cervix and Uterine Wall

Elastography is a new ultrasound imaging technique that detects and images the local stiffness properties of tissues under compression. Elastrography promises to improve the diagnosis of several uteri...
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Tomy Varghese, Mark Kliewer, James Zagzebski | P03009US

Technology

Automated Evaluation of Ultrasonic Elasticity Images

Ultrasound-based elasticity imaging uses signals from conventional diagnostic ultrasound systems to show the mechanical properties of tissue (e.g., stiffness or Poisson’s ratio). In quasi-static ela...
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Jingfeng Jiang, Timothy Hall, Amy Ettling | P04300US

WARF