Search Results
169 Results for 'Medical Devices'
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Technology
Algorithm for Selective Enhancement of Speech Signals
Hearing impairment rarely extends across the entire frequency range of hearing. Commonly, hearing loss is most severe at higher frequencies, although listeners can have selective losses at frequencies...
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Rick Jenison, Keith Kluender, Joshua Alexander | P100334US01
Technology
Algorithm Improves Resolution of Time-Frequency Analysis for Medical Diagnostics, Telecommunications
Time-frequency analysis involves detecting when oscillations of certain frequencies turn on and off. This kind of analysis is useful in nearly every field of science and engineering. The traditional a...
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David Hsu, Murielle Hsu, Gregory Worrell | P100227US01
Technology
Layer-by-Layer Covalent Assembly of Reactive Ultrathin Films
Methods that allow reactive polymer films to be deposited or assembled on topologically complex substrates are useful for the patterning or chemical modification of surfaces in a broad range of applic...
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David Lynn, Maren Buck, Jingtao Zhang | P08130US
Technology
Microtube Scaffold for Sensing and Stimulating Nerve Cell Connections
Studying how neurons and other cells work may require stimulating individual or small clusters of cells. The cells conventionally are stimulated through the use of fine electrodes inserted into or nea...
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Robert Blick, Justin Williams, Minrui Yu, Yu Huang | P100158US01
Technology
Multilayered Film for Delivering Proteins and Other Small Molecules into Cells
The ability to deliver proteins into cells has many therapeutic and research applications. However, peptide drugs and therapeutic proteins are notoriously difficult to administer, in part because of t...
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David Lynn, Ronald Raines, Christopher Jewell, Stephen Fuchs, Ryan Flessner | P07251US
Technology
Biodegradable, Biocompatible Tannin-Chitosan Composites for Therapeutic Applications
Chitosan is a soluble biopolymer derived from chitin, which is a structural element in the shell of marine arthropods. Chitosan is used in water processing and agriculture. It also is used...
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Jess Reed, Christian Krueger, Sergio Madrigal-Carballo | P09128US02
Technology
Implantable Intracranial Neural Interface System
One of the frontiers in biomedical science is the development of brain-computer interface (BCI) systems. A need exists for small-scale neurological interfaces that can potentially transmit information...
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P. Charles Garell, Justin Williams, Daryl Kipke, Jaimie Henderson, Jamille Hetke | P04169US
Technology
Nanoscale and Microscale Wireless Stimulating Probes Precisely Deliver Electrical Current to Cells
Studying how neurons and other cells work may require stimulating individual or small clusters of cells. The cells conventionally are stimulated through the use of fine electrodes inserted into ...
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Robert Blick, Max Lagally | P07076US
Technology
Improved Endovascular Aneurysm Occlusion Device
Cerebral aneurysms develop when the wall of a cerebral artery or vein become weakened and the blood vessel begins to balloon. To avoid this type of complication, procedures have been developed to prev...
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Kristyn Masters, Wendy Crone, Roham Moftakhar, Fangmin Xu, Beverly Aagaard-Kienitz | P08088US
Technology
Bone Tissue Regeneration System That Provides Spatial and Temporal Control Over the Release of Growth Factors
A fracture requiring orthopedic treatment occurs approximately every 14 seconds in the United States. Musculoskeletal conditions cost an estimated $254 billion each year in the United States, an...
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William Murphy, Mark Markel, Ben Graf, Yan Lu, Jae Sung Lee | P09200US
Technology
Monitoring Consciousness for Improved Anesthesia Delivery
Anesthetics are a critical part of modern surgical practice. Unfortunately, once in every 1000 to 2000 operations a patient may temporarily regain consciousness or even remain conscious during surgery...
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Giulio Tononi | P09238US02
Technology
Microneedle-Based Device for Steady, Autonomous Delivery of Liquid Drugs Like Insulin
Oral ingestion of pharmaceuticals currently is considered the safest, most convenient and most economical method of drug administration. However, oral delivery of many pharmaceuticals is not possible ...
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David Beebe, Benjamin Moga, Kent Chase, Garrick Smith, Jake Myre | P100100US01
Technology
Training Device for Muscle Activation Patterns
Movement of human limbs requires the coordination of multiple muscles. Such coordination is learned through extensive practice but can be disrupted by injuries or diseases such as traumatic brain inju...
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Kreg Gruben, Matthew Schmidt | P05358US
Technology
Electromechanical Force-Magnitude, Force-Angle Sensor
UW-Madison researchers previously described a piece of exercise equipment for rehabilitation of stroke patients and sport-specific training of athletes that allows users to measure and train the magni...
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Kreg Gruben, Matthew Schmidt | P06028US
Technology
Medical Shunt and Valve for Regulating Bodily Fluids, Especially Cerebral Spinal Fluid
No way currently exists to prevent or cure hydrocephalus, which is the abnormal accumulation of cerebral spinal fluid (CSF) in the brain. The most effective treatment involves surgical insertion of a ...
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Christopher Luzzio, Joshua Medow | P03355US
Technology
Optimizing Probes to Improve Spectroscopic Measurement in Turbid Media
Fiber optic probes can be used for spectroscopic measurement of tissue. A fiber optic tube emits light on one side of the tissue that is absorbed and measured on the other side by fiber optic detector...
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Gregory Palmer, Nirmala Ramanujam | P06032US
Technology
Bioactive and Biocompatible Copolymers for Use in Medical Implants
Many human diseases and conditions can be treated by implanting devices within the body. However, these devices may be rejected by the body’s immune system or “fouled” by the accumul...
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Kristyn Masters, Wendy Crone, Fangmin Xu | P07185US
Technology
Novel Assay for Measuring Stress-Induced CREB Phosphorylation
CREB is a transcription factor that has been implicated as a critical regulator of neuronal function and survival. Knockout mice lacking CREB exhibit a disease similar to ataxia telangiectasia, a neur...
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Randal Tibbetts, Yuling Shi | P04048US
Technology
Integrated, Miniaturized Fiber Optic Probe for Light-Based Diagnostics
Light-based diagnostics are used to create images of human tissue to detect the development of diseases like cancer. The popularity of light-based diagnostics is growing due to their non-intrusive nat...
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Thomas Kuech, Nirmala Ramanujam, Leon McCaughan | P09149US
Technology
Bioactive Device for Improved Vascular Aneurysm Occlusion and Healing
As many as one in 20 people in the United States are estimated to have some form of cerebral aneurysm. The majority of cerebral aneurysms are treated from inside the blood vessel, which is referred to...
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Kristyn Masters, Wendy Crone, Roham Moftakhar, Fangmin Xu | P07117US
Technology
Electrode Array for Radiofrequency Tissue Ablation
The liver is a common site for both primary and metastasizing cancer. Surgical resection, the preferred treatment for liver cancer, is a time consuming procedure during which the surgeon must cut thro...
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Dieter Haemmerich, David Mahvi, John Webster, David Schutt | P03367US
Technology
Fan-Beam Microwave Horn for Improved Organ Resection
Liver cancer is the fifth most common cancer in the world and is frequently fatal. Surgical resection currently is the preferred treatment for liver cancer. During the time-consuming treat...
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David Mahvi, Mark Converse, Punit Prakash, John Webster | P07328US
Technology
Biomaterial Scaffolds for the Repair and Regeneration of Intervertebral Discs and Articulating Joints
Biomaterial scaffolds for tissue engineering perform three primary functions. They provide temporary support, provide a connected porosity to enhance tissue regeneration and guide the regenerate...
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William Murphy, Chia-Ying Lin, Frank LaMarca, Stephn Feinberg, James Adox, Scott Hollister | P08447US
Technology
Computational Algorithms for Identifying, Suppressing and Reversing Epilepsy
Epileptogenesis, or the occurrence of spontaneous seizures, is considered to be a learned response due to brain plasticity. The development of the condition requires circuits in the brain to pos...
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David Hsu, Murielle Hsu, John Beggs | P08298US
Technology
Biologically Active Sutures Enhance Tissue Healing Following Surgical Procedures
Musculoskeletal conditions cost an estimated $254 billion each year in the United States, and bone and joint diseases account for half of all chronic conditions in adults over the age of 50. Bon...
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William Murphy, Jae Sung Lee, Mark Markel, Ben Graf, Geoffrey Baer, Yan Lu | P09201US