Patent application number | Description | Published |
20090062650 | ULTRASOUND DIAGNOSTIC APPARATUS - According to this invention, an ultrasound diagnostic apparatus is provided which generates a tomographic image of a subject site in a living body, including a region-of-interest setting section which sets a region-of-interest in the tomographic image, a data acquiring section which samples, from one piece of sound ray data within the region-of-interest, pieces of data at at least two positions including a piece of data at one position included in the one piece of sound ray data and a piece of data at at least one position upwardly or downwardly spaced apart from the one position by an interval of a predetermined number of pixels in a depth direction of the one piece of sound ray data, and a blood flow data calculating section which calculates a piece of blood flow data at the one position by performing spatial averaging on the pieces of data sampled by the data acquiring section. | 03-05-2009 |
20090281426 | ULTRASOUND OBSERVATION APPARATUS - An ultrasound observation apparatus of the present invention is an ultrasound observation apparatus capable of creating a blood flow image of a subject by receiving a reflection signal of a sound output signal transmitted to the subject as an electric signal, and performing various kinds of signal processing for the electric signal, and includes a transmission frequency switching section switching a frequency band of the sound output signal which is transmitted to the subject to a frequency band corresponding to an instruction signal which is outputted from an operation instructing section, and a blood flow color creating section changing a color at a time of visualizing the blood flow image by linking with switching of the frequency band by the transmission frequency switching section. | 11-12-2009 |
20110282209 | ULTRASOUND OBSERVATION APPARATUS AND CONTROL METHOD OF ULTRASOUND OBSERVATION APPARATUS - An ultrasound observation apparatus of the invention includes: an ultrasound probe portion capable of two-dimensional scanning of an ultrasound beam; a transmission/reception control section for controlling a transmission/reception direction of the ultrasound beam by the ultrasound probe portion; a B-mode image calculation section for generating a B-mode image on a scanning plane based on a result of scanning of the ultrasound beam; a storage section for storing a predetermined sample image determined according to a shape of a treatment instrument in a case where a central axis of the treatment instrument for performing a treatment on a subject and the scanning plane agree with each other; and a correlation calculation section for calculating a correlation value between the B-mode image and the sample image, wherein the transmission/reception control section moves the scanning plane such that the correlation value becomes the maximum. | 11-17-2011 |
20120123273 | ULTRASOUND DIAGNOSTIC APPARATUS - An ultrasound diagnostic apparatus includes: transmission and reception signal lines that send transmission and reception signals of ultrasound to a plurality of ultrasound transducers; signal determining portions near the ultrasound transducers and determine a selection signal for selecting an ultrasound transducer to be driven or a readout signal for reading out the selection signal, the selection signal being sent out in synchronization with a transmission signal for forming the transmission and reception signal, and couple the ultrasound transducer to be driven with the transmission and reception signal line according to a result of the determination; and direct current blocking/clipping circuits that block a direct current bias component superimposed on the transmission and reception signal and sent via the transmission and reception signal line, and clip a waveform with large amplitude. The transmission and reception signal line sends the transmission and reception signal with the selection signal or the readout signal. | 05-17-2012 |
20120310087 | ULTRASONIC DIAGNOSIS APPARATUS, OPERATION METHOD OF THE SAME, AND COMPUTER READABLE RECORDING MEDIUM - An ultrasonic diagnosis apparatus includes a frequency analyzing unit that analyzes frequencies of received ultrasonic sound waves and calculates a frequency spectrum; a feature data extracting unit that performs approximation and correction of the frequency spectrum so that there is a decrease in the contribution of attenuation, and extracts feature data of the specimen; a storing unit used to store feature data of frequency spectrums, each being extracted based on ultrasonic sound waves reflected from one of a plurality of known specimens, and tissue characterizations of the known specimens in a corresponding manner; and a tissue characterization determining unit that determines tissue characterization of a predetermined area of the specimen by referring to feature data, which is stored by the memory unit in a corresponding manner to the tissue characterizations of the plurality of known specimens, and by referring to the feature data extracted by the feature data extracting unit. | 12-06-2012 |
20130012818 | ULTRASONIC OBSERVATION APPARATUS, OPERATION METHOD OF THE SAME, AND COMPUTER READABLE RECORDING MEDIUM - An apparatus including: a unit for analyzing a frequency of the received ultrasonic wave; a unit to extract feature data of the frequency spectrum by performing an approximation to the calculated-frequency spectrum; a storage to store feature data of a frequency spectrum extracted based upon the ultrasonic wave reflected from plural specimens, and to store the specimens as being classified into groups; a unit to calculate a degree of association between the extracted feature data and each group by using a statistics of a population including at least the feature data of each group; a unit to allow the degree of association of the specimen to each group to correspond to different color components, and to generate ultrasonic image data by using a parameter formed by combining the different color components, based upon the calculation result; and a display to display the image corresponding to the ultrasonic image data. | 01-10-2013 |
20130030296 | ULTRASONIC OBSERVATION APPARATUS, OPERATION METHOD OF THE SAME, AND COMPUTER READABLE RECORDING MEDIUM - An ultrasonic observation apparatus is provided with a signal amplifier which amplifies a signal of an ultrasonic wave received from a sample with an amplification factor according to a receiving depth in order to use the signal in generating a B-mode image, a B-mode image data generator which generates B-mode image data in which the amplitude of the signal of the ultrasonic wave amplified by the signal amplifier is converted into brightness for display, an amplification corrector which performs correction to cancel the influence of the amplification by the signal amplifier in order to make the amplification factor constant with respect to the signal of the ultrasonic wave amplified by the signal amplifier regardless of the receiving depth, a frequency analyzer which calculates a frequency spectrum by analyzing the frequency of the signal of the ultrasonic wave corrected by the amplification corrector, and a feature data extractor which extracts feature data of the sample by performing an approximation process and an attenuation correction process for reducing the contribution of the attenuation occurring in accordance with the receiving depth of the ultrasonic wave and the frequency in transmitting the ultrasonic wave. | 01-31-2013 |
20130109974 | BIOPSY TREATMENT INSTRUMENT | 05-02-2013 |
20130113938 | ULTRASONIC OBSERVATION APPARATUS, OPERATION METHOD OF THE SAME, AND COMPUTER READABLE RECORDING MEDIUM - An apparatus includes a unit that analyzes frequencies of an ultrasonic wave at a plurality of points to calculate a frequency spectrum of the points; a unit that approximates a portion included in a frequency band between a first frequency and a second frequency larger than the first frequency, by a polynomial, in the frequency spectrum of the points to extract first spectrum intensity which is a value of the polynomial in a third frequency included in a domain of the polynomial and second spectrum intensity which is a value of the polynomial in a fourth frequency different from the first to third frequencies, as a feature amount; and a unit that associates the first spectrum intensity, the second spectrum intensity, and/or a function of difference or ratio between the first and second spectrum intensity, to generate a feature amount image to indicate a distribution of the feature amount. | 05-09-2013 |
20150029821 | ULTRASONIC OBSERVATION APPARATUS, OPERATION METHOD OF THE SAME, AND COMPUTER READABLE RECORDING MEDIUM - An ultrasonic observation apparatus includes: a first conversion unit that converts an ultrasonic signal as a time domain signal reflected from a specimen into a frequency domain signal; a regression analysis unit that calculates a regression expression for the frequency domain signal; an attenuation correction coefficient calculation unit that calculates an attenuation correction coefficient which is obtained by dividing a difference between first-order coefficients in the regression expressions at two points having different reception depths by a difference between the reception depths at the two points; an attenuation correction processing unit that performs attenuation correction processing on the frequency domain signal based on the attenuation correction coefficient; a second conversion unit that converts the frequency domain signal after the attenuation correction processing, into a second time domain signal; and an image data generation unit that generates ultrasonic image data based on the second time domain signal. | 01-29-2015 |
Patent application number | Description | Published |
20110052473 | METHOD OF MANUFACTURING ACTIVE MATERIAL - Methods of manufacturing an active material capable of improving the discharge capacity of a lithium-ion secondary battery are provided. The first method of manufacturing an active material comprises a hydrothermal synthesis step of heating a mixture containing a lithium source, a phosphate source, a vanadium source, water, and a reducing agent to 100 to 195° C. under pressure; and a heat treatment step of heating the mixture to 500 to 700° C. after the hydrothermal synthesis step. The hydrothermal synthesis step adjusts the ratio [P]/[V] of the number of moles of phosphorus [P] contained in the mixture before heating to the number of moles of vanadium [V] contained in the mixture before heating to 0.9 to 1.2. The second method of manufacturing an active material comprises a hydrothermal synthesis step of heating a mixture containing a lithium source, a phosphate source, a vanadium source, water, and a reducing agent to 200 to 300° C. under pressure and adjusts the ratio [P]/[V] of the number of moles of phosphorus [P] contained in the mixture before heating to the number of moles of vanadium [V] contained in the mixture before heating to 0.9 to 1.5. | 03-03-2011 |
20110052992 | ACTIVE MATERIAL, LITHIUM-ION SECONDARY BATTERY, AND METHOD OF MANUFACTURING ACTIVE MATERIAL - An active material which can improve the discharge capacity of a lithium-ion secondary battery is provided. The active material of the present invention contains a rod-shaped particle group having a β-type crystal structure of LiVOPO | 03-03-2011 |
20110052995 | ACTIVE MATERIAL, ELECTRODE CONTAINING THE SAME, LITHIUM SECONDARY BATTERY PROVIDED THEREWITH AND METHOD FOR MANUFACTURE OF THE ACTIVE MATERIAL - A method for manufacturing an active material comprising:
| 03-03-2011 |
20110253436 | ELECTROCHEMICAL DEVICE AND MANUFACTURING METHOD THEREOF, CIRCUIT BOARD AND HOUSING TRAY | 10-20-2011 |
20120028109 | ELECTROCHEMICAL DEVICE - In an electrochemical device having an element main body | 02-02-2012 |
20130330261 | ACTIVE MATERIAL AND POSITIVE ELECTRODE AND LITHIUM-ION SECOND BATTERY USING SAME - A method for manufacturing an active material containing a triclinic LiVOPO | 12-12-2013 |