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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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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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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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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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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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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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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A system employs an interventional tool (30), ultrasound imaging system and a multi-planar reformatting module (40). The interventional tool (30) has one or more image tracking points (31). The ultras...
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Measuring muscle and ligament stress is crucial in rehabilitative medicine and medical research. Using this data, clinicians and researchers can develop treatment plans and new technologies to improve...
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Advance warning of some of the main causes of maternal and/or neonatal problems can prevent death and long term health complications. These causes include bleeding (e.g., from placenta previa over the...
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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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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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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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Elastography is an imaging technique that uses ultrasound to assess tissue stiffness by comparing the displacement of the tissue under deformation.  When tissue is compressed, stiffer tissue will dis...
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Elastography is a medical procedure analogous to conventional palpation.  It is commonly used to detect tumors and other abnormalities that cause changes in local tissue stiffness.  Quasi-static ela...
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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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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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Tissue stresses and strains are important measures of biomechanical function. Tissue stiffness aids in determining whether tissue is healthy, damaged, healing or pathological in some other way. Ultras...
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The HYPR method, as described in WARF reference number P06088US, reconstructs a composite image from acquired data to provide a priori knowledge of the subject being imaged. This composite image then ...
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Elastography is an acoustical imaging method used to estimate the elastic properties of soft tissue by assessing the tissue in different states of compression. Tissue that exhibits less strain under c...
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Ultrasound-based elasticity imaging is used in medicine for non-invasive analysis of tissue movement and displacement. These types of techniques determine how tissue moves in response to pressure, muc...
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Elastography is a new ultrasound imaging technique that detects and images the stiffness properties, or strain, of tissues under compression. This new modality can reveal disease properties of tissue ...
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Ultrasound scanners transmit an ultrasonic signal into a patient and then receive and analyze an echo signal from the patient’s tissue. In conventional gray scale imaging, the most widely used mode,...
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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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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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