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9034023 Dynamic colorectal PDT application  
Dynamic colorectal PDT methods, devices and photosensitizer compositions to treat abnormal cell growth in anal tissue such as perianal and intra-anal intraepithelial neoplasia grade III are...
9028415 Blood flow monitor with visual display  
A blood flow monitor with a visual display. The monitor may include a probe monitoring circuit configured to be associated with a blood vessel. The probe monitoring circuit may transmit a burst...
9031640 Laser doppler blood flow measuring method and device  
[Subject] To provide laser Doppler blood flow measuring method and device which achieve multi-dimensional measurement efficiently at a high degree of accuracy over a wide range with a simple...
9031641 Quantifying laser-doppler perfusion signal for arrhythmia detection and disease monitoring  
A medical device system and associated method to control a laser Doppler unit to emit light from a coherent laser light source and collect a photodetector signal produced by the laser Doppler unit...
9002440 System and method for characterizing circulatory blood flow  
A computer-implemented method for characterizing circulatory blood volume and autoregulatory compensatory mechanisms to maintain circulatory blood volume is disclosed. A biological signal that...
8977348 Systems and methods for determining cardiac output  
A system is provided including a thoracic bio-impedance or bio-reactance (TBIR) analysis module, a photoplethysmograph (PPG) analysis module, and a cardiac output module. The TBIR module is...
8977347 Video-based estimation of heart rate variability  
What is disclosed is a video-based system and method for estimating heart rate variability from time-series signals generated from video images captured of a subject of interest being monitored...
8971985 Minute ventilation estimation based on depth maps  
What is disclosed is a system and method for estimating minute ventilation by analyzing distortions in reflections of structured illumination patterns captured in a video of a thoracic region of a...
8965472 Method and apparatus for spectrophotometric based oximetry  
A near infrared spectrophotometric (NIRS) sensor assembly for non-invasive monitoring of blood oxygenation levels in a subject's body is provided that includes a pad, at least one light source, a...
8954135 Portable biometric monitoring devices and methods of operating same  
The present inventions, in one aspect, are directed to portable biometric monitoring device including a housing having a physical size and shape that is adapted to couple to the user's body, at...
8929974 System and method for examining an illuminated object  
In a system and a method for examining an object containing a fluid liquid, the object is illuminated with measuring light and images are temporarily shortly subsequently recorded. The images are...
8923950 System for identifying the location of a device within a patient's body in order to locate the fossa ovalis for trans-septal procedures  
A system and method for identifying the location of a medical device within a patient's body may be used to localize the fossa ovalis for trans-septal procedures. The systems and methods measure...
8897522 Processing a video for vascular pattern detection and cardiac function analysis  
What is disclosed is a non-contact system and method for determining cardiac function parameters from a vascular pattern identified from RGB and IR video signals captured simultaneously of a...
8880155 Hypovolemia diagnosis technique  
Embodiments of the present disclosure relate to a system and method for determining a risk, onset, or presence of hypovolemia based on one or more features of a plethysmographic waveform during a...
8862204 Reducing mechanical stress on conductors and connection points in a position determinable interventional medical device  
A medical device configured for diagnosis or treatment of tissues within a body is provided. The device includes an elongate, deformable member configured to be received within a lumen in the body...
8855751 Multidirectional scan and algorithmic skin health analysis  
Technologies generally applicable to detecting skin conditions are disclosed. A computer graphics scanning apparatus may be configured to capture skin image data, and use the captured skin image...
8774905 Methods for detection of vulnerable plaque with quantitative colorimetry during angioscopy  
Methods are provided for detecting lipid cores underneath thin fibrous caps (LCTC) and thin-cap fibroatheromas (TCFA) in a subject in need of diagnosis for having a vulnerable plaque, a plaque at...
8758239 Biological information detector and biological information measuring device  
A biological information detector includes a light-emitting part subjected to emit a first light directed at a detection site of a test subject and a second light directed in a direction other...
8750586 Method and apparatus for quantitative imaging of blood perfusion in living tissue  
Embodiments provide methods and systems for quantitative imaging of blood perfusion in living tissue. A method provides for obtaining an optical microangiography (OMAG) image of a sample, wherein...
8750970 Micro vein enhancer  
The present invention is a Miniature Vein Enhancer that includes a Miniature Projection Head. The Miniature Projection Head may be operated in one of three modes, AFM, DBM, and RTM. The Miniature...
8743362 Optical measurement apparatus and optical measurement system  
An optical measurement apparatus, to which a base end portion of a measurement probe introduced into a subject is connected so that scattering light from the subject through the measurement probe...
8718743 Methods for single-pass volumetric bidirectional blood flow imaging spectral domain optical coherence tomography using a modified hilbert transform  
The present subject matter relates to in vivo volumetric bidirectional blood flow imaging using single-pass flow imaging spectral domain optical coherence tomography. This technique uses a...
8694071 Image stabilization techniques and methods  
Direct optical imaging of anatomical features and structures from within a biological organ in a dynamic environment (where the tissue being imaged is in motion due to cardiac rhythms,...
8591426 Self-luminous sensor device  
A light-emitting sensor device is provided with a substrate (110); an irradiating part (120), disposed on the substrate, for applying light to a specimen; a light receiving part (150), disposed on...
8532751 Laser self-mixing sensors for biological sensing  
According to embodiments, systems, devices, and methods for biological sensing with laser self-mixing sensors are disclosed. In one embodiment, one or more self-mixed laser Doppler signals may be...
8521260 Characterization of arteriosclerosis by optical imaging  
A method and system for detecting abnormalities in the properties of the walls of a subject's blood vessels by observing the characteristics of blood flow in vessels which are optically...
8509879 Apparatus and method for widefield functional imaging (WiFI) using integrated structured illumination and laser speckle imaging  
An apparatus for wide-field functional imaging (WiFI) of tissue includes a spatially modulated reflectance/fluorescence imaging (SI) device capable of quantitative subsurface imaging across...
8478384 Intravascular optical coherence tomography system with pressure monitoring interface and accessories  
An optical coherence tomography system and method with integrated pressure measurement. In one embodiment the system includes an interferometer including: a wavelength swept laser; a source arm in...
8449469 Two-part patch sensor for monitoring vital signs  
A two-component monitoring device and system for monitoring blood pressure from a patient is disclosed herein. The two-component monitoring device includes a disposable component and a main...
8449470 System for repetitive measurements of cardiac output in freely moving individuals  
A system for evaluating the cardiovascular system parameters using indicator dilution and non-invasive or minimally invasive detection and calibration methods are disclosed. Intravascular...
8419613 Tissue visualization device  
Tissue visualization device having a fluid barrier is described herein where an imaging hood is temporarily sealed against a region of tissue to be treated while under direct visualization. Such a...
8417321 Flow reduction hood systems  
Flow reduction hood systems are described which facilitate the visualization of tissue regions through a clear fluid. Such a system may include an imaging hood having one or more layers covering...
8412312 Apparatus, systems, and methods of in-vivo blood clearing in a lumen  
In one aspect, the invention relates to a computer-implemented method of triggering optical coherence tomography data collection. The method includes collecting optical coherence tomography data...
8369932 Optical methods of identifying the location of a medical device within a patient's body in order to locate the fossa ovalis for trans-septal procedures  
A system and method for identifying the location of a medical device within a patient's body may be used to locate or identify the fossa ovalis for trans-septal procedures. The systems and methods...
8353842 Portable patient monitor  
Embodiments of the present disclosure includes a portable pulse oximeter, such as a handheld pulse oximeter, that provides a user with intuitive key navigation for device operation, which reduces...
8343062 Digital control method for measuring blood pressure  
A system and method of digital control for a blood pressure measurement system is provided. According to at least one embodiment, a photo-plethysmographic (PPG) system produces a frequency signal...
8285353 System for analyzing tissue perfusion using concentration of indocyanine green in blood  
The present invention relates, in general, to a system for analyzing tissue perfusion using the concentration of indocyanine green and a method of measuring the perfusion rate using the system...
8273029 Pressure recovery index to assess cardiac function  
Determining an index for assessing cardiac function. In an embodiment, a method includes receiving ventricular pressure data during an invasive cardiac procedure, wherein the received pressure...
8275450 Multiple images, multiple exposure times, optical imaging of blood circulation velocities  
A method of measuring blood velocity includes obtaining a first velocity image by illuminating a tissue surface with a light source for a first exposure time, obtaining a second velocity image by...
8214023 Microcirculation imaging  
An image is created of blood circulation deep (e.g. a plurality of millimeters) below the surface of living tissue to aid in evaluating a patient. A first beam (26) of circularly polarized light...
8208997 Non-invasive method to monitor microcirculation  
This invention relates to the non-invasive determination of the degree of vasoactivity in the microcirculation in a tissue caused by a drug, disease, injury normal or pathological regulation. More...
8180437 Optical pulse wave velocity obtaining apparatus and method thereof  
A biological-information obtaining apparatus includes a light-emitting unit, an image sensor configured to capture images, in a time sequence, relating to a living body, and a lens. The apparatus...
8175685 Process, arrangements and systems for providing frequency domain imaging of a sample  
Apparatus, arrangement and method are provided for obtaining information associated with an anatomical structure or a sample using optical microscopy. For example, a radiation can be provided...
8162834 Hemoglobin contrast in ultrasound and optical coherence tomography for diagnosing diseased tissue, cancers, and the like  
A novel contrast mechanism for diagnosing diseased tissue using Ultrasound, Doppler Ultrasonography, Optical Coherence Tomography, or optical Doppler tomography coupled with an externally applied...
8145291 Extended optical range reflective system for monitoring motion of a member  
A garment and system includes a monitoring fabric that exhibits a light reflection property and substantially no light transmission property when the fabric is illuminated with light having...
8126531 Miniature spectrometer  
A miniaturized spectrometer is adapted for placement within a body near tissue to be characterized. The spectrometer includes a light source and a plurality of light detectors. The light source...
8078266 Flow reduction hood systems  
Flow reduction hood systems are described which facilitate the visualization of tissue regions through a clear fluid. Such a system may include an imaging hood having one or more layers covering...
8070684 Method and system for evaluating valvular function  
A method and apparatus for enhancing evaluation of valvular function in terms of regurgitation is described. The techniques include a method and apparatus for monitoring flow across a valve and...
8050746 Tissue visualization device and method variations  
Tissue visualization device and method variations are described herein where an imaging hood is temporarily sealed against a region of tissue to be treated while under direct visualization. Such a...
8047989 Medical imaging diagnosis apparatus and medical imaging diagnosis method  
A medical imaging diagnosis apparatus for measuring the composite thickness of the tunica intima and the tunica media of a blood vessel of a subject by acquiring image data on the blood vessel. In...

Matches 1 - 50 out of 309 1 2 3 4 5 6 7 >