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534 results about "Imaging study" patented technology

Devices, systems and methods for diagnosing and treating sinusitus and other disorders of the ears, nose and/or throat

Sinusitis, enlarged nasal turbinates, tumors, infections, hearing disorders, allergic conditions, facial fractures and other disorders of the ear, nose and throat are diagnosed and / or treated using minimally invasive approaches and, in many cases, flexible catheters as opposed to instruments having rigid shafts. Various diagnostic procedures and devices are used to perform imaging studies, mucus flow studies, air / gas flow studies, anatomic dimension studies, endoscopic studies and transillumination studies. Access and occluder devices may be used to establish fluid tight seals in the anterior or posterior nasal cavities / nasopharynx and to facilitate insertion of working devices (e.g., scopes, guidewires, catheters, tissue cutting or remodeling devices, electrosurgical devices, energy emitting devices, devices for injecting diagnostic or therapeutic agents, devices for implanting devices such as stents, substance eluting devices, substance delivery implants, etc.
Owner:ACCLARENT INC

System and method for conditioning animal tissue using laser light

InactiveUS20100049180A1Promote wound repairEnhances surgical wound healingSurgical instrument detailsLight therapyLaser lightHsp70 expression
Systems and methods for prophylactic measures aimed at improving wound repair. In some embodiments, laser-mediated preconditioning would enhance surgical wound healing that was correlated with hsp70 expression. Using a pulsed laser (λ=1850 nm, Tp=2 ms, 50 Hz, H=7.64 mJ / cm2) the skin of transgenic mice that contain an hsp70 promoter-driven luciferase were preconditioned 12 hours before surgical incisions were made. Laser protocols were optimized using temperature, blood flow, and hsp70-mediated bioluminescence measurements as benchmarks. Bioluminescent imaging studies in vivo indicated that an optimized laser protocol increased hsp70 expression by 15-fold. Under these conditions, healed areas from incisions that were laser-preconditioned were two times stronger than those from control wounds. Our data suggest that these methods can provide effective and improved tissue-preconditioning protocols and that mild laser-induced heat shock that correlated with an expression of Hsp70 may be a useful therapeutic intervention prior to or after surgery.
Owner:LOCKHEED MARTIN CORP +2

Devices, systems and methods for treating disorders of the ear, nose and throat

Sinusitis, mucocysts, tumors, infections, hearing disorders, choanal atresia, fractures and other disorders of the paranasal sinuses, Eustachian tubes, Lachrymal ducts and other ear, nose, throat and mouth structures are diagnosed and / or treated using minimally invasive approaches and, in many cases, flexible catheters as opposed to instruments having rigid shafts. Various diagnostic procedures and devices are used to perform imaging studies, mucus flow studies, air / gas flow studies, anatomic dimension studies and endoscopic studies. Access and occluding devices may be used to facilitate insertion of working devices such asendoscopes, wires, probes, needles, catheters, balloon catheters, dilation catheters, dilators, balloons, tissue cutting or remodeling devices, suction or irrigation devices, imaging devices, sizing devices, biopsy devices, image-guided devices containing sensors or transmitters, electrosurgical devices, energy emitting devices, devices for injecting diagnostic or therapeutic agents, devices for implanting devices such as stents, substance eluting or delivering devices and implants, etc.
Owner:ACCLARENT INC

Devices, Systems and Methods For Diagnosing and Treating Sinusitis and Other Disorders of the Ears, Nose and/or Throat

Sinusitis, enlarged nasal turbinates, tumors, infections, hearing disorders, allergic conditions, facial fractures and other disorders of the ear, nose and throat are diagnosed and / or treated using minimally invasive approaches and, in many cases, flexible catheters as opposed to instruments having rigid shafts. Various diagnostic procedures and devices are used to perform imaging studies, mucus flow studies, air / gas flow studies, anatomic dimension studies, endoscopic studies and transillumination studies. Access and occluder devices may be used to establish fluid tight seals in the anterior or posterior nasal cavities / nasopharynx and to facilitate insertion of working devices (e.g., scopes, guidewires, catheters, tissue cutting or remodeling devices, electrosurgical devices, energy emitting devices, devices for injecting diagnostic or therapeutic agents, devices for implanting devices such as stents, substance eluting devices, substance delivery implants, etc.
Owner:ACCLARENT INC

Devices, systems and methods for diagnosing and treating sinusitis and other disorders of the ears, nose and/or throat

Sinusitis, enlarged nasal turbinates, tumors, infections, hearing disorders, allergic conditions, facial fractures and other disorders of the ear, nose and throat are diagnosed and / or treated using minimally invasive approaches and, in many cases, flexible catheters as opposed to instruments having rigid shafts. Various diagnostic procedures and devices are used to perform imaging studies, mucus flow studies, air / gas flow studies, anatomic dimension studies, endoscopic studies and transillumination studies. Access and occluder devices may be used to establish fluid tight seals in the anterior or posterior nasal cavities / nasopharynx and to facilitate insertion of working devices (e.g., scopes, guidewires, catheters, tissue cutting or remodeling devices, electrosurgical devices, energy emitting devices, devices for injecting diagnostic or therapeutic agents, devices for implanting devices such as stents, substance eluting devices, substance delivery implants, etc.
Owner:ACCLARENT INC

Devices, Systems and Methods for Treating Disorders of the Ear, Nose and Throat

Sinusitis, mucocysts, tumors, infections, hearing disorders, choanal atresia, fractures and other disorders of the paranasal sinuses, Eustachian tubes, Lachrymal ducts and other ear, nose, throat and mouth structures are diagnosed and / or treated using minimally invasive approaches and, in many cases, flexible catheters as opposed to instruments having rigid shafts. Various diagnostic procedures and devices are used to perform imaging studies, mucus flow studies, air / gas flow studies, anatomic dimension studies and endoscopic studies. Access and occluding devices may be used to facilitate insertion of working devices such asendoscopes, wires, probes, needles, catheters, balloon catheters, dilation catheters, dilators, balloons, tissue cutting or remodeling devices, suction or irrigation devices, imaging devices, sizing devices, biopsy devices, image-guided devices containing sensors or transmitters, electrosurgical devices, energy emitting devices, devices for injecting diagnostic or therapeutic agents, devices for implanting devices such as stents, substance eluting or delivering devices and implants, etc.
Owner:ACCLARENT INC

Medical Imaging Method and System

A computerized method and system for detection and quantification of changes in color on skin or internal tissue or organs within the human body. Digital images of the skin or tissue containing an area of interest are analyzed using the software of the invention, based on at least one channel of the LAB color system. The invention calculates the intensity and distribution of color present within the predetermined area of interest, and results in display of at least one color information attribute. The invention allows color calibration of the image to be performed in relation to a reference label having predetermined colors which surrounds the area of interest, prior to the analysis. The invention allows a threshold analysis to be performed, which graphically depicts the size and location of areas exhibiting significant change in color, which is a determinant factor in medical diagnosis.
Owner:YISSUM RES DEV CO OF THE HEBREWUNIVERSITY OF JERUSALEM LTD

Automated ultrasound system for performing imaging studies utilizing ultrasound contrast agents

An ultrasound system that has transmit and receive circuitry that, pursuant to a plurality of image settings, transmits ultrasound signals into a patient, receives echoes from a patient and outputs a signal representative of the echo. Control circuitry is provided that sequentially adjusts the image settings so as to cause the transmit and receive circuitry to have a sequence of imaging configurations during an ultrasound imaging study. A memory may be provided that stores a plurality of state diagrams, each defining a sequence of imaging configurations for a particular imaging study, which are accessible by the control circuitry, wherein the control circuitry accesses a selected state diagram to conduct an imaging study. Such a system is particularly useful for imaging studies that utilize contrast agents.
Owner:KONINKLIJKE PHILIPS ELECTRONICS NV

Gesture-based reporting method and system

InactiveUS20060007188A1Image-enhancing productivityImage-enhancing workflowMedical automated diagnosisCharacter and pattern recognitionProgramming languageDisplay device
The present invention is directed to gesture-based reporting system and method, which includes a client computer with high-resolution image displaying device, and an input device which is a programmable stylus, where the predetermined information contained within the report is defined by a series of symbols or gestures, which are drawn directly onto the image displayed on the image displaying device, using the programmable stylus. The gestures or symbols used, utilize an economy of symbols that are diverse in nature and have broad based appeal to the population of end users. At the same time, they can be made applicable to a variety of different specific situations, modalities, pathologies, etc., in order to interpret the imaging study. Therefore, unlike a traditional text report (where the image and text report are distinct and separate from one another), the informational content contained within the image and the gesture-based report are inseparable.
Owner:GESTURERAD

Tissue site markers for in vivo imaging

The invention is directed biopsy site markers and methods of marking a biopsy site, so that the location of the biopsy cavity is readily visible by conventional imaging methods, particularly by ultrasonic imaging. The biopsy site markers of the invention have high ultrasound reflectivity, presenting a substantial acoustic signature from a small marker, so as to avoid obscuring diagnostic tissue features in subsequent imaging studies, and can be readily distinguished from biological features. The several disclosed embodiments of the biopsy site marker of the invention have a high contrast of acoustic impedance as placed in a tissue site, so as to efficiently reflect and scatter ultrasonic energy, and preferably include gas-filled internal pores. The markers may have a non-uniform surface contour to enhance the acoustic signature. The markers have a characteristic form which is recognizably artificial during medical imaging. The biopsy site marker may be accurately fixed to the biopsy site so as to resist migration from the biopsy cavity when a placement instrument is withdrawn, and when the marked tissue is subsequently moved or manipulated.
Owner:SENORX

Method and system for rule-based comparison study matching to customize a hanging protocol

The present invention provides a method for presenting at least one medical imaging study in a Picture Archiving and Communication System (“PACS”). The method includes selecting at least one comparison imaging study from a plurality of historical imaging studies by comparing at least one image data attribute associated with a current imaging study with at least one image data attribute associated with each of the plurality of historical studies. The relevant historical studies are automatically selected as comparison imaging studies.
Owner:GENERAL ELECTRIC CO

Method and system for rule-based comparison study matching to customize a hanging protocol

The present invention provides a method for presenting at least one medical imaging study in a Picture Archiving and Communication System (“PACS”). The method includes selecting at least one comparison imaging study from a plurality of historical imaging studies by comparing at least one image data attribute associated with a current imaging study with at least one image data attribute associated with each of the plurality of historical studies. The relevant historical studies are automatically selected as comparison imaging studies.
Owner:GENERAL ELECTRIC CO

Temporal laser pulse manipulation using multiple optical ring-cavities

An optical pulse stretcher and a mathematical algorithm for the detailed calculation of its design and performance is disclosed. The optical pulse stretcher has a plurality of optical cavities, having multiple optical reflectors such that an optical path length in each of the optical cavities is different. The optical pulse stretcher also has a plurality of beam splitters, each of which intercepts a portion of an input optical beam and diverts the portion into one of the plurality of optical cavities. The input optical beam is stretched and a power of an output beam is reduced after passing through the optical pulse stretcher and the placement of the plurality of optical cavities and beam splitters is optimized through a model that takes into account optical beam divergence and alignment in the pluralities of the optical cavities. The optical pulse stretcher system can also function as a high-repetition-rate (MHz) laser pulse generator, making it suitable for use as a stroboscopic light source for high speed ballistic projectile imaging studies, or it can be used for high speed flow diagnostics using a laser light sheet with digital particle imaging velocimetry. The optical pulse stretcher system can also be implemented using fiber optic components to realize a rugged and compact optical system that is alignment free and easy to use.
Owner:NASA

Patient Specific Implants and Instrumentation For Patellar Prostheses

Patient specific implants and instrumentation for replacing a portion of a patella. Methods for producing patient specific implants and instrumentation include conducting imaging studies of the patient's native patella, deriving measurements of the patella and surrounding soft tissues from the imaging studies, manufacturing customized implants and instrumentation specific to the derived measurements, and implanting a customized implant using the customized instrumentation. Patient specific instrumentation includes: a patellar clamp ring, an anterior clamp, a restraining arm, a posterior clamping surface, a dual bore reaming collet, a reamer, a reaming depth gauge, and a resection cutting guide. Patient specific portions of a patellar implant include: topography of the posterior articular surface, facet angle, shape and dimensions of the anterior attachment surface, implant length, implant width, implant thickness and the outer perimeter shape of the implant.
Owner:RIES MICHAEL D DR

Tissue site markers for in vivo imaging

InactiveUS20100298698A1Enhance acoustical reflective signature and signalEasy to detectUltrasonic/sonic/infrasonic diagnosticsSurgeryContrast levelAcoustic signature
The invention is directed biopsy site markers and methods of marking a biopsy site, so that the location of the biopsy cavity is readily visible by conventional imaging methods, particularly by ultrasonic imaging. The biopsy site markers of the invention have high ultrasound reflectivity, presenting a substantial acoustic signature from a small marker, so as to avoid obscuring diagnostic tissue features in subsequent imaging studies, and can be readily distinguished from biological features. The several disclosed embodiments of the biopsy site marker of the invention have a high contrast of acoustic impedance as placed in a tissue site, so as to efficiently reflect and scatter ultrasonic energy, and preferably include gas-filled internal pores. The markers may have a non-uniform surface contour to enhance the acoustic signature. The markers have a characteristic form which is recognizably artificial during medical imaging. The biopsy site marker may be accurately fixed to the biopsy site so as to resist migration from the biopsy cavity when a placement instrument is withdrawn, and when the marked tissue is subsequently moved or manipulated.
Owner:SENORX

Image processing for spectral ct

A method includes estimating structure models for a voxel(s) of a spectral image based on a noise model, fitting structure models to a 3D neighborhood about the voxel(s), selecting one of the structure models for the voxel(s) based on the fittings and predetermined model selection criteria, and de-noising the voxel(s) based on the selected structure model, producing a set of de-noised spectral images. Another method includes generating a virtual contrast enhanced intermediate image for each energy image of a set of spectral images corresponding to different energy ranges based on de-noised spectral images, decomposed de-noised spectral images, an iodine map, and a contrast enhancement factor; and generating final virtual contrast enhanced images by incorporating a simulated partial volume effect with the intermediate virtual contrast enhanced images. Also described herein are approaches for generating a virtual non-contrasted image, a bone and calcification segmentation map, and an iodine map for multi-energy imaging studies.
Owner:KONINKLIJKE PHILIPS ELECTRONICS NV

Blood vessel computer aided iconography evaluating system

The invention relates to a blood vessel computer aided iconography evaluating system. The system comprises the following contents: (A) transmission of CTA (Computed Tomography Angiography) from a CT (Computed Tomography) working station to a PC (Personal Computer), wherein a transmission way comprises network card connection, CD burning and CT film scanning; (B) CTA three-dimensional reconstruction, wherein a three-dimensional reconstruction method comprises shaded surface display (SSD), maximum intensity projection (MIP) and multiplane reformation (MPR), obtains various real and clear three-dimensional models and images and can be used for observing a blood vessel three-dimensional space structure anytime and anywhere and lay the foundation for the three-dimensional measurement of various blood vessel geometric parameters; (C) blood vessel structure three-dimensional measurement; and (D) aneurysm endovascular graft exclusion virtual graft. The invention provides the computer aided iconography evaluating system which is suitable for people to use at random and is more accurate. In addition, the invention plays a role in blood vessel surgical scientific research, teaching, surgery training, and the like. The system realized by the invention is stable and reliable and is suitable for being popularized and used in blood vessel surgery centers of various large, medium and small hospitals.
Owner:冯睿

Medical image data transmission and three-dimension visible sysem and its implementing method

This invention discloses a medical image transmission and 3-D visual system and a realizing method, which develops an iconography diagnosis system operated by stand-alones and single persons to expand the image data process function of a radiation section or an image working station to computer terminals of hospitals, so that, doctors in hospitals can get the image data of patients directly from the terminals in their offices to carry out 3-D display interaction operations.
Owner:RESEARCH INSTITUTE OF TSINGHUA UNIVERSITY IN SHENZHEN

Method for acquiring nerve navigation system imaging data

The invention discloses a method for acquiring the imaging data of a neuro navigation system, which comprises the following steps of: acquiring scanned images in a functional magnetic resonance imaging mode, wherein the functional magnetic resonance imaging mode comprises BOLD scan cortex functional imaging and DTI scan alba functional imaging; transmitting the scanned images according to DICOM and classifying and converting the scanned images; and according to category, and carrying out the registration and fusion of the neuro navigation structural images and the converted scanned images, wherein the registration and fusion comprises the registration mapping of BOLD activation maps and the fusion of DTI maps. Therefore, the neuro functional images are registered and fused in neuro navigation, cerebral white matter fiber tracks is carried out and used as image data of the neuro navigation system so as to provide a powerful tool for making surgical plan before a surgery and protecting normal brain functions in the surgery and to provide a platform for brain function research.
Owner:SHENZHEN ANKE HIGH TECH CO LTD

Devices, systems and methods for diagnosing and treating sinusitis and other disorders of the ears, Nose and/or throat

Various diagnostic procedures and devices are used to perform imaging studies, mucus flow studies, air / gas flow studies, anatomic dimension studies, endoscopic studies and transillumination studies. Devices and methods for visually confirming the positioning of a distal end portion of an illuminating device placed within a patient include inserting a distal end portion of an illuminating device internally into a patient, emitting light from the distal end portion of the illuminating device, observing transillumination resulting from the light emitted from the distal end portion of the illuminating device that occurs on an external surface of the patient, and correlating the location of the observed transillumination on the external surface of the patient with an internal location of the patient that underlies the location of observed transillumination, to confirm positioning of the distal end portion of the illuminating device.
Owner:ACCLARENT INC

Method of analyzing multi-sequence MRI data for analysing brain abnormalities in a subject

The present invention, referred to as Oasis is Automated Statistical Inference for Segmentation (OASIS), is a fully automated and robust statistical method for cross-sectional MS lesion segmentation. Using intensity information from multiple modalities of MRI, a logistic regression model assigns voxel-level probabilities of lesion presence. The OASIS model produces interpretable results in the form of regression coefficients that can be applied to imaging studies quickly and easily. OASIS uses intensity-normalized brain MRI volumes, enabling the model to be robust to changes in scanner and acquisition sequence. OASIS also adjusts for intensity inhomogeneities that preprocessing bias field correction procedures do not remove, using BLUR volumes. This allows for more accurate segmentation of brain areas that are highly distorted by inhomogeneities, such as the cerebellum. One of the most practical properties of OASIS is that the method is fully transparent, easy to implement, and simple to modify for new data sets.
Owner:THE HENRY M JACKSON FOUND FOR THE ADVANCEMENT OF MILITARY MEDICINE INC +2
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