Abstract: A dynamic image analysis apparatus comprising: a hardware processor, wherein the hardware processor is configured to, execute processing to acquire a dynamic image of a chest obtained by dynamic imaging with radiation, execute processing to generate information on pulmonary valve regurgitation based on dynamic image information of a site related to at least one of a pulmonary artery and a heart in the dynamic image, and execute processing to output the generated information on pulmonary valve regurgitation.

Abstract: A non-transitory computer-readable storage medium storing a program causing a computer to perform the following, obtaining a radiation moving image in which a chest portion of a subject when the subject breathes is shown; analyzing a dynamic state of the chest portion based on the radiation moving image obtained in the obtaining; and extracting impedance regarding breathing based on an analysis result obtained in the analyzing.

Abstract: A pulmonary embolism diagnosis support apparatus includes a hardware processor that: obtains a dynamic image of a chest of an examinee captured through radiographic dynamic imaging; analyzes blood flow in the dynamic image to generate blood flow information; generates background lungs information regarding background lungs of the examinee; automatically generates diagnosis support information regarding pulmonary embolism, based on the blood flow information and the background lungs information; and outputs the diagnosis support information regarding pulmonary embolism.

Abstract: A non-transitory computer-readable storage medium storing a program causing a computer to perform the following, obtaining a radiation moving image in which a chest portion of a subject when the subject breathes is shown; analyzing a dynamic state of the chest portion based on the radiation moving image obtained in the obtaining; and extracting impedance regarding breathing based on an analysis result obtained in the analyzing.

Abstract: An ultrasonic diagnostic apparatus according to the present disclosure is configured so that a probe including transducers is connectable thereto and performs predetermined measuring processing on a subject's region of interest.

Abstract: An ultrasonic diagnostic apparatus according to the present invention includes: an ultrasonic signal processing section, which performs transmission processing for transmitting an ultrasonic wave toward a subject's blood vessel by driving a probe and reception processing for generating a received signal based on the ultrasonic wave reflected from the subject's blood vessel and received at the probe; a tomographic image processing section, which generates a tomographic image based on the received signal; a boundary detecting section, which detects the lumen-intima and media-adventitia boundaries of the blood vessel based on the received signal or the tomographic image; a vascular wall thickness calculating section, which calculates, as a vascular wall thickness value, the interval between the lumen-intima and media-adventitia boundaries detected by the boundary detecting section; a reliability determining section, which determines the reliability of the vascular wall thickness value by a signal feature of the

Abstract: An ultrasonic diagnostic apparatus transmits an ultrasonic wave toward a body and obtains biological information based on an echo signal received and includes: an intensity distribution generating section that generates an echo intensity distribution in a depth direction about a vascular wall based on the echo signal; a template generating section that generates a template to detect a boundary based on template data provided in advance to represent a reference pattern of the intensity distribution; a pattern similarity calculating section that changes the depth and intima-media thickness pattern of the template to calculate similarity between the template and the intensity distribution on any change made; and a boundary defining section that defines lumen and adventitia boundaries based on the degree of similarity calculated on any change made. The intima-media thickness is thus determined without depending on the magnitudes of echo intensity variations on the lumen and adventitia sides.

Abstract: An ultrasonic diagnostic apparatus according to the present disclosure is configured so that a probe including transducers is connectible thereto and performs predetermined measuring processing on a subject's region of interest.

Abstract: An ultrasonic diagnostic apparatus includes: a transmitting section for generating first, second and third drive signals to drive an ultrasonic probe; a receiving section for getting echoes, produced by reflection of the ultrasonic waves responsive to those drive signals and generating first, second and third received echo signals; a storage section to store the first received echo signal; an adjusting section for defining intense and faint echo regions within a measuring range for the first received echo signal based on a stored feature quantity and for determining the second and third gains based on the feature quantities in the intense and faint echo regions; a displacement measuring section for measuring the magnitudes of displacement in the echo regions based on the second and third received echo signals; and a qualitative value calculating section for calculating the attribute property value of the subject based on the magnitudes of displacement.

Abstract: An ultrasonic diagnostic apparatus includes: a transmitting section for driving a probe to send out ultrasonic waves toward a subject one after another; a receiving section for getting an echo, produced as a result of reflection of each ultrasonic wave from the subject, received by the probe, thereby generating a received signal; a tissue tracking section for generating position tracking waveforms, each representing the positional displacement of an associated one of measuring points on the subject, based on the received signals; a boundary detecting section for determining the boundary location of the subject's tissue; a tracking waveform choosing section for choosing at least two position tracking waveforms, including the one associated with the boundary, from the position tracking waveforms by reference to at least one of the waveforms associated with the measuring points, the location of the boundary, and the amplitudes of the received signals; and a tissue attribute value calculating section for calculat

Abstract: An ultrasonic diagnostic apparatus according to the present invention includes: a transmitting section 102 that drives an ultrasonic probe to transmit an ultrasonic wave toward a measuring region of a subject including an arterial vascular wall; a receiving section 101 that receives a reflected wave, produced by getting the ultrasonic wave reflected by the subject, at the ultrasonic probe to generate a received signal; a movement information deriving section 110 for deriving information about at least the axial movement of the arterial vascular wall based on the received signal; and a boundary locating section 109 for locating at least one of the blood flow-intima boundary, the media-adventitia boundary and the adventitia-body's connective tissue boundary of the arterial vascular wall in the measuring region based on the movement information.

Abstract: The present invention provides a method for detecting lumen and adventitia boundaries and measuring an intima-media thickness without depending on the magnitudes of echo intensity variations on the lumen and adventitia sides.

Abstract: An ultrasonic diagnostic apparatus according to the present invention includes: an ultrasonic signal processing section, which performs transmission processing for transmitting an ultrasonic wave toward a subject's blood vessel by driving a probe and reception processing for generating a received signal based on the ultrasonic wave reflected from the subject's blood vessel and received at the probe; a tomographic image processing section, which generates a tomographic image based on the received signal; a boundary detecting section, which detects the lumen-intima and media-adventitia boundaries of the blood vessel based on the received signal or the tomographic image; a vascular wall thickness calculating section, which calculates, as a vascular wall thickness value, the interval between the lumen-intima and media-adventitia boundaries detected by the boundary detecting section; a reliability determining section, which determines the reliability of the vascular wall thickness value by a signal feature of the

Abstract: The ultrasonic diagnostic apparatus of this invention includes: a transmitting section 102 for generating first, second and third drive signals to drive a probe that sends ultrasonic waves to a subject; a receiving section 103 for getting echoes, produced by reflection of the ultrasonic waves from the subject responsive to those drive signals, received by the probe and amplifying signals generated with first, second and third gains, thereby generating first, second and third received echo signals; a storage section 110 to store the first received echo signal; an adjusting section 111 for defining intense and faint echo regions within a measuring range on the acoustic line of the first received echo signal based on a feature quantity of the first received echo signal stored in the storage section and for determining the second and third gains based on the feature quantities of the first received echo signal in the intense and faint echo regions; a displacement measuring section 112 for measuring the magnitudes

Abstract: An ultrasonic diagnostic apparatus includes: a transmitting section for driving a probe to send out ultrasonic waves toward a subject one after another; a receiving section for getting an echo, produced as a result of reflection of each ultrasonic wave from the subject, received by the probe, thereby generating a received signal; a tissue tracking section for generating position tracking waveforms, each representing the positional displacement of an associated one of measuring points on the subject, based on the received signals; a boundary detecting section for determining the boundary location of the subject's tissue; a tracking waveform choosing section for choosing at least two position tracking waveforms, including the one associated with the boundary, from the position tracking waveforms by reference to at least one of the waveforms associated with the measuring points, the location of the boundary, and the amplitudes of the received signals; and a tissue attribute value calculating section for calculat

Abstract: An acupuncture point position evaluating apparatus in which a current generated in a current generating section is applied to measurement points of skin of a subject through current application electrodes. The applied current and a voltage generated in the skin by the current application are measured in a measuring section. In a frequency analyzing section, the measured current and the measured voltage are provided with frequency analysis, and skin impedance Z(jf) in the respective measurement points is calculated. In a characteristics amount generating section, based on the frequency response of the skin impedance Z(jf) in the measurement points, frequency response K(f)=XZ(f)/RZ(f) as a ratio between real part RZ(f) and imaginary part XZ(f) of the skin impedance Z(jf) are calculated. In a determining section, based on the difference of the frequency response K(f), an acupuncture point position is determined from among the respective measurement points.

Abstract: An ultrasonic diagnostic apparatus that can make accurate and highly reliable measurements is provided.

Abstract: A technique for providing an ultrasonographic device which can transmit and receive a signal by using a complementary code is provided. According to the technique, an output of a coded waveform generation unit 3 is supplied to a transmission unit 2 which drives a prove 1 in accordance with an output of a complementary code generator 4, and an output of a reception amplification unit 6 is inputted to velocity detection means 8, and an output of the velocity detection means 8 is inputted to the complementary code generator 4, and a correlator 7 performs a correlation calculation between the output of the complementary code generator 4 and the output of the reception amplification unit 6, and a memory 9 stores the output of the correlator 7, and addition means 13 adds the outputs of the correlator 7 and the memory 9.

Abstract: An ultrasonic diagnostic apparatus according to the present invention includes: a transmitting section 102 that drives an ultrasonic probe to transmit an ultrasonic wave toward a measuring region of a subject including an arterial vascular wall; a receiving section 101 that receives a reflected wave, produced by getting the ultrasonic wave reflected by the subject, at the ultrasonic probe to generate a received signal; a movement information deriving section 110 for deriving information about at least the axial movement of the arterial vascular wall based on the received signal; and a boundary locating section 109 for locating at least one of the blood flow-intima boundary, the media-adventitia boundary and the adventitia-body's connective tissue boundary of the arterial vascular wall in the measuring region based on the movement information.

Abstract: In this skin conduction measuring apparatus, bipolar pulse currents generated by current generator sections 11a to 11i are applied to plural measurement points of a skin 30 of a subject through nonpolarizable electrodes 3a to 3i. The conducted currents and voltages generated by the conduction are measured by a measuring section 6. A feature quantity that characterizes current conductivity at each of the measurement points is extracted by a feature quantity extracting section 7 and then the result is displayed by a display section 8. An index extracted in the feature quantity extracting section 7 is calculated based on electrical equivalent circuit parameters Rp, Cp, and Rs of the skin 30. Quantitative measurement results with sufficient reliability and reproducibility can be obtained.