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Class 600/454 - Blood flow studies


Subclass of Class 600 - Surgery
Definition: Subject matter wherein the Doppler shift is utilized to
No. of applications: 146
Last issue date: 05/24/2012


1        
Application No.Application TitleIssue Date
20120130249PROVIDING COLOR DOPPLER IMAGE BASED ON QUALIFICATION CURVE INFORMATION IN ULTRASOUND SYSTEM
There are provided embodiments for providing a color Doppler image based on qualification curve information. In one embodiment, an ultrasound system comprises: an ultrasound data acquisition unit configured to acquire ultrasound data corresponding to a living body inclu...
05/24/2012
20120130248METHOD AND APPARATUS FOR MULTIPLE-WAVE DOPPLER VELOCITY METER
A method and system for determining a velocity of a moving object such as a body or a stream. The object is irradiated in a non-collinear configuration with multiple ultrasound waves overlapping in a region-of-interest (ROI) of the object. An response wave, resulting fr...
05/24/2012
20120016242ULTRASOUND DIAGNOSTIC APPARATUS
An ultrasonic diagnosis apparatus includes a frame data generation device configured to generate a frame data of a blood flow image based on echo signals obtained by transmissions and receptions of ultrasonic waves on a same acoustic ray, a processed frame data generati...
01/19/2012
20110319766MEASURING DEVICE, BIOLOGICAL TESTING DEVICE, FLOW VELOCITY MEASURING METHOD, AND PRESSURE MEASURING METHOD
A measuring device includes an ultrasonic sensor with ultrasonic arrays each having a linear array structure in which ultrasonic elements are arranged along a linear scanning direction with the linear scanning directions of at least two of the ultrasonic arrays being di...
12/29/2011
20110301466CARDIAC FLOW QUANTIFICATION WITH VOLUMETRIC IMAGING DATA
A method quantifies cardiac volume flow for an imaging sequence. The method includes receiving data representing three-dimensions and color Doppler flow data over a plurality of frames, constructing a ventricular model based on the data representing three-dimensions for...
12/08/2011
20110282210THREE-DIMENSIONAL DERIVATION OF A PROXIMAL ISOKINETIC SHELL OF A PROXIMAL FLOW CONVERGENCE ZONE AND THREE-DIMENSIONAL PISA FLOW MEASUREMENT
The invention relates to a device and to a method for adaptive three-dimensional derivation of a proximal isokinetic shell of a proximal flow convergence zone that forms in an observation area in a moving fluid, wherein the magnitude of the velocity of the fluid at each...
11/17/2011
20110263985Dual Path Color Doppler Imaging System and Method for Simultaneous Invasive Device Visualization and Vasculature Imaging
An ultrasound imaging system (10) is disclosed for creating simultaneous needle and vascular blood flow color Doppler imaging. A B mode image of an anatomical area of interest is created. A first set of Doppler image data optimized for the visualization of vascul...
10/27/2011
20110230764ULTRASONIC DIAGNOSTIC APPARATUS, DOPPLER MEASUREMENT APPARATUS, AND DOPPLER MEASUREMENT METHOD
According to one embodiment, an ultrasonic diagnostic apparatus comprises a Doppler processing unit which generates a Doppler spectrum from an ultrasonic signal reflected from a predetermined region in a heart, a trace waveform generation unit which generates temporal c...
09/22/2011
20110218435Prediction-Based Flow Estimation for Ultrasound Diagnostic Imaging
Flow estimation is provided. The flow is predicted. A mathematical, logic, machine learning or other model is used to predict flow. For example, the boundary conditions associated with a previous flow, the previous flow, and current boundary conditions are used to predi...
09/08/2011
20110196237ULTRASOUND PULSE-WAVE DOPPLER MEASUREMENT OF BLOOD FLOW VELOCITY AND/OR TURBULENCE
Apparatus and methods for measuring and analyzing blood flow in vessels in the bodies of living subjects are provided. The true velocity vector, or a projection thereof onto a scan plane, for blood flowing at a location in a vessel is determined from multiple Doppler ve...
08/11/2011
20110152689COLOR DOPPLER ULTRASONIC DIAGNOSIS APPARATUS
According to one embodiment, a color Doppler ultrasonic diagnosis apparatus includes an ultrasonic probe, a transmission/reception unit, a quadrature phase detection unit configured to perform quadrature phase detection of an output from the transmission/reception unit,...
06/23/2011
20110137175TRACKED ULTRASOUND VESSEL IMAGING
A medical imaging apparatus, such as including a processor circuit, can be used to construct a first image of a plane parallel to the surface of an ultrasonic imaging transducer, the plane corresponding to a locus at a specified depth within a first region of tissue. Th...
06/09/2011
20110137174ULTRASOUND COLOR DOPPLER IMAGING SYSTEM AND METHOD FOR FILTERING CLUTTER SIGNAL OF THE SAME
Disclosed is an ultrasound color Doppler image system. The ultrasound color Doppler image system includes a calculation unit that calculates a mean value associated with an I/Q signal corresponding to a pixel of a color image in an ultrasound image and generates a multi...
06/09/2011
20110137173Method and Apparatus for Hemodynamic Monitoring Using Combined Blood Flow and Blood Pressure Measurement
Combined blood flow and blood pressure measurements are used for the calculation of central vascular blood flow parameters. Blood flow measurements may be made simultaneously with arterial pressure measured either centrally or peripherally and central venous pressure fo...
06/09/2011
20110092819ULTRASONIC DIAGNOSIS APPARATUS AND ULTRASOINC DATA ACQUISITION METHOD
According to one embodiment, an ultrasonic diagnosis apparatus includes an ultrasonic probe, a transmission/reception unit, an echo signal storage unit, a reception delay addition processing unit, a Doppler signal generating unit, and a focus position decision unit. The...
04/21/2011
20110082373METHODS AND APPARATUS FOR THE DETECTION OF CARDIOPULMONARY DEFECTS
A diagnostic system for detecting a right-to-left cardiopulmonary shunt in a patient. The system includes at least one Doppler ultrasound transducer, a transducer housing, a transducer housing placement device to affix the Doppler ultrasound transducer housing over a pe...
04/07/2011
20110060224NON-INVASIVE CONTINUOUS DOPPLER MONITORING DEVICE FOR ARTERIAL BLOOD FLOW TO DISTAL BODY PARTS
A Doppler sensor for non-invasive continuous Doppler monitoring for arterial blood flow to a distal body part of a patient that employs a Doppler transducer for placement at the distal body part of the patient and an adhesive conductive gel for placement between the Dop...
03/10/2011
20110040188METHODS AND APPARATUS FOR ULTRASOUND IMAGING
Some embodiments include acquisition of color Doppler data, and detection of one or more transitions of the color Doppler data, each of the one or more transitions being between a first area representing flow velocity in a first direction and a second area representing ...
02/17/2011
20110021922MONITORING THE FLOW OF FLUID
A method of monitoring the intended injection of fluid into a blood vessel during a scanning or imaging procedure, the method including the steps of receiving an indication of the start of an injection of fluid into the blood vessel, measuring the flow velocity in the b...
01/27/2011
20110009749SYSTEM FOR DIAGNOSING MULTIPLE SCLEROSIS
A system for determining at least one index out of a blood reflux rate index and increased blood resistance index in cerebral veins in a patient including a detection source set (TCCS, ECD) for detecting: —i) a blood reflux in at least one of the deep cerebral veins, ...
01/13/2011
20100331684Method and Apparatus For Determining The Absolute Value Of Intracranial Pressure
A method and apparatus for obtaining the absolute value of intracranial pressure in a non-invasive manner is described by using an ultrasonic Doppler measuring device which detects the intracranial and extracranial blood flow velocities of the intracranial and extracran...
12/30/2010
20100331701THREE-DIMENSIONAL ULTRASONIC DIAGNOSIS APPARATUS
According to one embodiment, an ultrasonic diagnosis apparatus includes an ultrasonic probe and an ultrasonic scanning unit configured to repeatedly scan an interior of an subject with an ultrasonic wave via the ultrasonic probe and repeatedly acquire echo signals. An i...
12/30/2010
20100331700ULTRASONIC DIAGNOSIS APPARATUS, AUTOMATIC SUPPORT APPARATUS, AND AUTOMATIC SUPPORT METHOD
According to one embodiment, an ultrasonic diagnosis apparatus includes a storage unit, a ultrasonic probe, a transmission/reception unit, a measured value calculation unit, a distance calculation unit, and a determination unit. The storage unit stores data of a state s...
12/30/2010
20100324424ULTRASONIC DIAGNOSTIC APPARATUS, ULTRASONIC DIAGNOSTIC METHOD AND DATA PROCESSING PROGRAM FOR ULTRASONIC DIAGNOSTIC APPARATUS
An ultrasonic diagnostic apparatus includes a data acquisition unit, a correction unit and a display unit. The data acquisition unit acquires phase signals as Doppler data from a moving object in an object by transmitting and receiving ultrasonic waves to and from the o...
12/23/2010
20100305446Monitoring the Injection of Fluid
A method of monitoring the intended injection of a fluid into a blood vessel, the method including the steps of conveying the fluid to a point of injection, introducing a disturbance into the fluid flow prior to injection, and monitoring the fluid flow in the blood vess...
12/02/2010
20100280386Ultrasound System And Method For Adaptively Performing Clutter Filtering
Embodiments of adaptively performing clutter filtering are disclosed. In one embodiment, by way of non-limiting example, an ultrasound system comprises: an ultrasound data acquisition unit configured to transmit and receive ultrasound signals to and from a target object...
11/04/2010
20100280385DOPPLER BASED FLOW MEASUREMENTS
A new approach to processing and displaying received Doppler signals is disclosed. This approach starts with a set of N power spectra corresponding to each of N times. Those power spectra are then used to create of set of pixels for display with respect to an X axis and...
11/04/2010
20100274133DETECTING A STENOSIS IN A BLOOD VESSEL
Doppler ultrasound may be used to detect stenosis in a blood vessel using a variety of approaches. In one approach, the flow envelope is extracted from the Doppler ultrasound measurements, and the extracted flow envelope is parameterized. Classification is then done bas...
10/28/2010
20100241000Ultrasonic diagnostic apparatus, method of measuring pressure gradient, and method of measuring blood vessel elasticity
An ultrasonic diagnostic apparatus capable of obtaining information on a pressure gradient in a blood vessel based on only reception signals of ultrasonic echoes reflected within an object. The apparatus includes: an ultrasonic probe for outputting reception signals; a ...
09/23/2010
20100234731Automatic Ultrasonic Doppler Measurements
An ultrasonic diagnostic imaging system produces a spectral Doppler display on which automated measurements may be made. The waveform is analyzed by the ultrasound system to identify the peak velocity of each cardiac cycle of the sequence, and the cardiac cycle with the...
09/16/2010
20100234732METHOD FOR SIMULTANEOUSLY DETERMINING THE POSITION AND VELOCITY OF OBJECTS
The present invention relates to a method for simultaneously determining the position and velocity of objects. Moreover the method comprising the steps of: 1) simultaneously generating a first signal for determining the velocity and a second signal for determining the p...
09/16/2010
20100222681Synchronization of Repetitive Therapeutic Interventions
A medical device of the type used for assisting a user in manually delivering repetitive therapy to a patient (e.g., chest compressions or ventilations in cardiac resuscitation), the device comprising a feedback device configured to generate feedback cues to assist the ...
09/02/2010
20100222851METHODS FOR MONITORING RENAL NEUROMODULATION
Methods and apparatus are provided for renal neuromodulation using a pulsed electric field to effectuate electroporation or electrofusion. It is expected that renal neuromodulation (e.g., denervation) may, among other things, reduce expansion of an acute myocardial infa...
09/02/2010
20100210948ULTRASONOGRAPH
Provided is an ultrasonograph that can automatically optimize the sweep rate of Doppler images and M-mode images according to the heart rate of a test subject, without the need for an operator to perform a troublesome operation. The ultrasonograph is provided with a mea...
08/19/2010
20100210947Vascular Flow Sensor With Acoustic Coupling Detector
A vascular flow sensor assembly includes an ultrasound transducer (1-5) which is attached to the body by an adhesive or mechanical substrate to create acoustic coupling between the ultrasound transducer and the body. The assembly includes a force sensor (<...
08/19/2010
20100191277Ultrasonic Tourniquet System
A system for controlling blood flow through a zone of a patient limb, the zone being bounded by a proximal end and a distal end, comprises: a cuff configured for securing to the limb and for covering the zone, the cuff being inflatable to provide pressure to the zone fo...
07/29/2010
20100185084Non-invasive Cardiac Characteristic Determination System
A system uses non-invasive laser, ultrasound or electro-magnetic monitoring, to derive CO/SV, CO/SV deviation, and related cardiac function parameters. The non-invasive system determines cardiac stroke volume and includes an input processor for receiving determined valu...
07/22/2010
20100152586Spatial Array of Sensors Mounted on A Tool
Systems and methods described herein include an array of sensors positioned on a tool. In one embodiment, among others, a tool includes a handle configured to be manipulated by a user. The tool also includes an end portion arranged in mechanical communication with the h...
06/17/2010
20100152563DUAL FLOW BLOOD MONITORING SYSTEM
A dual blood flow monitoring system includes an electronic first sensor, an electronic second sensor, and an electronic monitoring device in communication with the first sensor and the second sensor. The first sensor monitors a first blood flow and the second sensor mon...
06/17/2010
20100137717Automatic Flow Tracking System and Method
A method of determining the blood flow characteristics from a monitoring signal indicative of blood flow in the vicinity of a heart, the method including the steps of: (a) extracting a flow envelope from the monitoring signal; (b) extracting a series of temporal markers...
06/03/2010
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