Search Results - medical devices

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A Parametric Mapping Method for Correction of Noise-based Systematic Bias of DTI Metrics, Using a DTI Mapping Phantom
This invention describes the apparatus and data processing technique for correcting the noise based systematic bias within MRI diffusion tensor image (DTI) sequences. The specific claim requested in this IP document is for coverage of 1) the phantom design, 2) the concept of the parametric remapping technique, and 3) the use of the phantom to deter...
Published: 10/13/2015   |   Inventor(s): Nathan Yanasak, Tom Hu
Keywords(s):  
Category(s): Medical Devices
Use of Novel Gradient Directions with Diffusion to MRI to Synthesize Complex Diffusive Geometrics
This invention provides a phantom, or a test object, which includes anisotropic structures, which can be used to monitor DTI measures. The anisotropic structures include a plurality of water-filled capillaries, arranged in a predefined configuration. In addition to using the phantom for providing quality assurance (QA) measurements of DTI in a conv...
Published: 12/27/2013   |   Inventor(s): Nathan Yanasak
Keywords(s):  
Category(s): Medical Devices
Rescaling of Image Intensities with Diffusion MRI to Synthesize Complex Diffusive Geometries
This invention is composed of a phantom and DTI bench marking that allows DTI to proceed, applicable to tissue structures found throughout the body. Bench marking of DTI data will allow for a host of benefits, including 1) appropriate comparison of DTI data within multi-center trials; 2) appropriate ranges of uncertainty that could be presented wit...
Published: 12/27/2013   |   Inventor(s): Nathan Yanasak, Tom Hu
Keywords(s):  
Category(s): Medical Devices
Recombination of K-space Data with Two Different Applied Diffusion Gradients with DTI MRI, To Synthesize Complex Diffusive Geometrics
This invention describes a unique phantom and the mathematics of image recombination for data acquired in an MRI scanner during a diffusion tensor imaging (DTI) sequence, to synthesize more complicated data using simple structures with a known geometry. During a DTI sequence, a series of images are generated by applying gradient magnetic fields alo...
Published: 12/26/2013   |   Inventor(s): Nathan Yanasak
Keywords(s):  
Category(s): Medical Devices
Method and System for Measuring Dynamic Changes of Cardiac Pulse and Respiration Throughout Day/Night Cycle
TitleLight-Independent Measuring Dynamic Changes of Cardiac Pulse and Respiration Current State of the ArtBreathing or pulse monitoring of a baby in danger of Sudden Infant Death Syndrome (SIDS) or a sleep apnea patient typically employs a camera system (e.g., Close View Monitor System) or a movement/sound system (e.g., Angelcare Movement Sensor w....
Published: 3/26/2013   |   Inventor(s): Joseph Tsien, Meng Li, Fang Zhao, Yi Qian
Keywords(s):  
Category(s): Medical Devices
Surgical Apparatus for Cutting Tissue
Title: Single surgical instrument uses unique design for cutting membranes covering tissue. Current State of the Art: There are several surgical procedures that require the cutting and re-positioning of a membrane in order to access the underlying tissues. These include but are not limited to the dura mater of the brain and spinal cord. To per...
Published: 1/14/2013   |   Inventor(s): Cargill Alleyne
Keywords(s): Spinal, Surgery, Tissue
Category(s): Medical Devices
GA Tech has lead - Microirradiator for Treatment of Skin Tumors
Current State of the Art: The incidence of cancer is rising worldwide, with more than 11 million cases recorded annually. Incidence is expected to increase further, driven by rising life expectancy rates and aging global population. This is expected to increase the demand in the radiation therapy market which is currently experiencing techno...
Published: 12/6/2012   |   Inventor(s): Jiri Janata, Jennifer Steeb, Miraslawa Josowicz, William Dynan, Wendy Kuhne
Keywords(s): Radiation, Targeting
Category(s): Medical Devices
Use of Integrating Sphere Technology To Provide Uniform, High-intensity Light and Wavelength Mixing from Light Emitting Diodes
Current State of the Art: Since 2000, photoactive composites material used in fillings have become widespread in restorative dentistry. Cosmetically appealing, these white fillings have become the standard, increasing from approximately 68 million composite fillings in 1999 to close to an estimated 100 million procedures in 2011. Crowns re...
Published: 11/7/2012   |   Inventor(s): Frederick Rueggeberg
Keywords(s): Dental, LED
Category(s): Medical Devices
Method and Apparatus for Light-Curing Resin Adhesives for Orthodontics Brackets
Title: Method and Apparatus for Light-Curing Resin Adhesives for Orthodontics Brackets Current State of the Art: Hardening of dental resins through light curing is a commonplace procedure when bonding materials including the dental brackets associated with braces, to the teeth of dental patients. Braces are used to correct dental flaws and im...
Published: 11/7/2012   |   Inventor(s): Frederick Rueggeberg, Thomas Whaley
Keywords(s): Dental, Orthodontics, Resin
Category(s): Medical Devices
Development of H295R Adrenal Cancer Cell Clones as Potentially Improved Cell Culture Model Systems to Study Steroidogenesis
Title:  Human Adrenal Carcinoma Cell Line Clones: Improved Models for Steroidogenesis.  Current State of the Art: Steroidogenesis is the production of hormones from cholesterol including aldosterone (regulates potassium in the blood) and corticosteroids (stress reponse). These hormones are primarily produced in the adrenal gland. Diseases and disor...
Published: 11/7/2012   |   Inventor(s): William Rainey, Jeniel Parmar
Keywords(s):  
Category(s): Medical Devices
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