43results about "Infrasonic diagnostics" patented technology

A system and a method for inducing resonance of a heterogeneity or a sample within a body, the system comprising a shear wave generator, and a detection unit; the shear wave generator generating shear waves applied to the body and selectively inducing mechanical resonances of the heterogeneity, the detection unit detecting the induced mechanical resonances. The induced resonance of the heterogeneity is achieved by applying to the body one of: i) shear waves substantially parallel to a longitudinal axis of the heterogeneity; ii) shear waves polarised substantially perpendicularly to said longitudinal axis; iii) shear waves substantially circumferential to the heterogeneity; and iv) planar shear waves.

The invention provides an ultrasonograph having excellent operability and mobility that are achieved by allowing, during operation and movement of the device at a standing position of the user, an operation panel to be compactly placed on the upper surface of the casing and also allowing, during operation of the device in a sitting position of the user, the operation panel to be disposed forward. The ultrasonograph has a body casing (100) having movement wheels (101), an operation device (200) having an operation switch group (400), and a movable arm (300) for connecting the body casing (100) and the operation device (200). The body casing (100) has a tilt surface (103) tilted rearward from the front surface to the upper surface. The movable arm (300) movably supports the operation device (200) through a lifting function mechanism part (301). The lifting function mechanism part (301) moves the operation device (200) from a first attitude (Q1) up to a second attitude (Q2) through a movement path above the tilt surface (103) with the attitude of the operation device (200) maintained. In the first attitude (Q1), the operation device (200) is located above the tilt surface (103), within a projection area of the body casing (100). In the second attitude (Q2), the operation device (200) is located below the tilt surface (103), allowing at least a part of the operation device (200) to protrude from the body casing (100).

An ultrasonic imaging method includes activating a transmit aperture within a multi-element transducer array, transmitting one or more ultrasonic beams along scan direction(s) that span the region of interest, for each transmit event, receiving ultrasound echoes from each element of a receive aperture, grouping the receive channel echo data into two or more sets corresponding to different receive sub-apertures, combining each sub-aperture data set to generate partially focused echo-location data for one or more reconstruction lines, and storing all the sub-aperture echo data sets during a storage period in a format that can be retrieved for later analysis. A method includes, during a post-storage period, retrieving stored sub-aperture data, combining the sub-aperture data to form one or more selected reconstruction lines, processing echo data to extract motion information from one or more sample positions along the selected reconstruction lines, and displaying an image representative of the processed motion information.

Fibrin-binding peptides having high binding affinity and excellent physical characteristics compared to previously known fibrin-binding peptides are provided. These fibrin-binding peptides may be conjugated to a detectable label or a therapeutic agent and used to detect and facilitate treatment of pathological conditions associated with the presence of fibrin such as thrombic, angiogenic and neoplastic conditions. These peptides may be used in imaging processes such as MRI, ultrasound and nuclear medicine imaging (e.g. PET, scintigraphic imaging., etc.). The peptides may also be used therapeutically. The present invention also provides processes and methods for making and using such peptides and conjugates thereof.

Method for examining bone in vivo, comprises obtaining a laser beam; modulating the laser beam to insert therein photoacoustic frequencies including optical frequencies and acoustic frequencies, the acoustic frequencies being able to give rise to acoustic waves; directing the modulated beam at a bone to cause acoustic waves resulting from the beam to travel through the bone; analyzing received signals from the bone including signals resulting from the acoustic waves, to determine a mineral density and a bone quality for said bone, and thus obtain in-vivo data that can be of assistance to a doctor when diagnosing osteoporosis.

Provided is an ultrasonic diagnostic apparatus capable of clearly depicting areas of noteworthy hardness. In order to clearly depict 3-dimensional elasticity images of the area of noteworthy hardness, frequency is counted for each magnitude of the elasticity value for the elasticity data configuring the volume data, and elasticity values in a prescribed range which is determined on the basis of frequency, are converted to be large and elasticity values outside the prescribed range are converted to be small. By rendering the post-conversion volume data, the large elasticity values of areas of noteworthy hardness are integrated and 3-dimensional elasticity images are generated.

Provided are a method and device for ultrasonic imaging by synthetic focusing. The method comprises: exciting a plurality of matrix elements of an ultrasonic probe to transmit plane waves many times, wherein transmitting apodizations at the time of every transmission of the plane waves by the plurality of matrix elements correspond to the respective lines in a measurement matrix in which elements are randomly distributed; after every transmission of the plane waves, exciting all the matrix elements of the ultrasonic probe to receive echo signals, in order to obtain channel data; recovering a synthetic focusing channel data set by use of a compressed sensing reconstruction algorithm according to a channel data set and the measurement matrix; and subjecting the synthetic focusing channel data set to beamforming so as to generate an ultrasonic image.

The invention discloses an intelligent height measuring instrument which comprises a mobile phone terminal 1, a distance measuring device, and a horizontal reference rod 2 installed on the distance measuring device. The distance measuring device is connected with the mobile phone terminal 1, and is a structure according to which a distance measuring processing chip 4, an ultrasonic transducer 6, a buzzer 7, an LED indicator light 8 and a horizontal angle transducer 9 are fixedly installed in a shell 3. The ultrasonic transducer 6, the buzzer 7, the LED indicator light 8 and the horizontal angle transducer 9 are electrically connected with the distance measuring processing chip 4 respectively. The horizontal reference rod 2 is fixedly installed on the shell. The intelligent height measuring instrument has the advantages of being easy to operate, capable of automatically adjusting balance and recording data and high in practicability.

The invention discloses a bladder volume measuring method and instrument. The bladder volume measuring method comprises the steps that S1, ultrasonic signals are transmitted in a plurality of directions of the bladder; S2, two reflection signals, reflected by bladder walls on two sides of the corresponding direction, of the ultrasonic signals in each direction are received; S3, the depth of the bladder in the direction is determined according to the time difference of the two reflection signals in each direction; S4, the bladder volume is determined according to the bladder depths in multipledirections. The propagation time of ultrasonic waves in the bladder is measured, and ultrasonic imaging is not needed, so that a measuring device is simplified, and the operation efficiency of the device is improved. In clinical application, results are quicker to obtain, and the efficiency of measuring the bladder volume is improved.

The invention relates to an opto-acoustic-ultrasonic united imaging device for precisely measuring the thickness of melanoma. The opto-acoustic-ultrasonic united imaging device comprises a computer control and imaging system, a laser emitting system, a time delay module, an FPGA control and signal processing system, a digital-analog converter, an ultrasonic receiving/emitting unit and a handheld dual-mode integrated detector, wherein pulse triggering of the laser emitting system is divided into two paths; one path is directly contacted with the FPGA control and signal processing system to acquire an opto-acoustic signal; the other path is contacted with the FPGA control and signal processing system through the time delay module to acquire an ultrasonic signal; the thickness of melanoma can be precisely measured by using generated opto-acoustic images and ultrasonic images. The invention further relates to an opto-acoustic-ultrasonic united imaging method for precisely measuring thickness of melanoma. By using the imaging device and the imaging method, the thickness of melanoma at different stages can be precisely measured in a non-destructive mode, the imaging device is small in size, possibility of rapid clinical detection is provided, and the imaging device and the imaging method belong to the technical field of opto-acoustic-ultrasonic imaging measurement.

Provided is a full-automatic puncture needle developing enhancing method based on pattern recognition. The method comprises the following steps that an ultrasonic probe scans a part to be detected in a vertical mode, and a first ultrasonic image is formed; a puncture needle conducts puncture on the part to be detected at any angle; a puncture angle A of the puncture needle is recognized in a pattern recognition mode; a mainframe controls delay of an array element sound beam of the ultrasonic probe to enable the array element sound beam of the ultrasonic probe to deflect from the vertical direction at a deflection angle B and scan back and forth nearby; a second ultrasonic image taking the puncture needle as the principal thing is formed; a complete ultrasonic image is composited by the first ultrasonic image and the second ultrasonic image. The puncture needle is inserted at any angle, the puncture angle of the puncture needle is automatically obtained through the pattern recognition, the deflection angle B does not need to be preset, and puncture needle developing enhancement is achieved in a full-automatic mode; the deflection angle B of the array element sound beam is calculated out according to the puncture angle A, and deflection does not exist, so that the clearer second ultrasonic image is formed, and the whole puncturing and scanning work is more simple and convenient.

Disclosed herein is ultrasonic scanning apparatus and method for diagnosing a bladder. The ultrasonic scanning apparatus includes a transducer, a transducer support, an analog signal processing unit, a display unit, a central control unit, a first stepping motor, a second stepping motor, and a drive control unit. The transducer emits ultrasonic signals for respective scan lines and receives ultrasonic signals reflected from an object. The transducer support configured such that the transducer is fixedly installed therein. The analog signal processing unit converts the ultrasonic signals into digital signals. The display unit outputs specific image signals. The central control unit performs image processing on the digital ultrasonic signals, outputs the results of the processing to the display unit, and controls the overall operation of the apparatus. The first stepping motor rotates in a first direction. The second stepping motor rotates in a second direction. The drive control unit controls the operation of the first and second stepping motors in response to drive control signals provided from the central control unit.

An ultrasound breast imaging assembly includes first and second compression plates angled with respect to one another, a breast compression area defined between the first and second compression plates, at least one pivot assembly, and an ultrasound probe. The pivot assembly allows relative motion between the first and second compression plates. The ultrasound probe, which is configured to translate over one of the first and second compression plates, includes an active matrix array (AMA) positioned on one of the first and second compression plates.

The invention relates to a couplant applicator with a scraper. The couplant applicator with the scraper comprises a body, wherein the body is formed by a head portion and a handhold portion, an inner cavity is formed in the body, a liquid adding hole is formed in the upper surface of the body, an elastic air bag is connected with the lower surface of the handhold portion, the elastic air bag is communicated with the inner cavity of the body, miniature holes are evenly formed in the lower surface of the head portion, and the scraper is connected with the rear side face of the head portion. The couplant applicator with the scraper is simple in structure; due to the facts that the handhold type structure is adopted, the elastic air bag is pressed to quantitatively squeeze couplant out, and the couplant is smeared on the surface of the skin, operation is easy and convenient, and efficiency of medical treatment is improved; due to the fact that the scraper is added, and is used for smearing the couplant to be flat, smearing evenness of the couplant is improved, and finally the detection effect of a probe is improved; due to the fact that a perspective window is arranged, the remain of the couplant can be conveniently marked, and convenience is provided for an operator.

A method for determining a predicted risk level of a clinical endpoint for a predetermined time period for a patient is provided by the present disclosure. The method includes receiving video frames of a heart, the video frames being associated with the patient, receiving electronic health record data including a number of variables associated with the patient, providing the video frames and the electronic health record data to the trained neural network, receiving a risk score from the trained neural network, and outputting a report based on the risk score to at least one of a display or a memory.

A portable ultrasound scanning system comprising a hand-held housing, ultrasound electronics of a complete ultrasound scanning system, including a beamformer and an image processing unit, contained within the hand-held housing. A first display comprises a touchscreen on the hand-held housing with a user input interface, at least partially presented on the first display. A probe containing a plurality of piezoelectric transducers is controlled by the ultrasound electronics and is connected to the housing via a cable. The ultrasound electronics are configured to receive signals from the probe and to convert those signals and provide converted signals to the first display to display a scanned ultrasound image on the first display. A second, larger, display is located remote from the housing. A connection arrangement is configured to selectively connect the second display to the ultrasound electronics, and automatically upon such connection, display the scanned image on the second display.

The invention relates to an ultrasound diagnosis apparatus and an image-information management apparatus. According to one embodiment, the ultrasound diagnosis apparatus includes an image memory, an output-information creating unit, and a control unit. The image memory associates and stores an ultrasound image and a first image that is set in accordance with a schematic image representing a portion imaged onto the ultrasound image and a positional image indicating a scanning position with ultrasound when creating the ultrasound image. The output-information creating unit creates a second image based on a shape of the first image stored by the image memory. The output-information creating unit then creates an image that image information extracted from the ultrasound image associated with the first image is superimposed onto the created second image, as output information. The control unit performs control of outputting the output information created by the output-information creating unit to an external device.

A new method and apparatus is provided for as a wearable, self-contained, non-invasive device for the instantaneous measurement of blood glucose in an individual. This invention uses the measurement and comparison of ultrasound wave velocities to determine the instant value of glucose concentration in the individual. In particular, it uses ultrasound waveforms in the “A” operational mode, depth determination, rather than typical imaging operational modes. Two distinct and different ultrasound frequencies are transmitted into the body and their total propagation times, from insert to bone-reflected echo return signal, are timed to calculate the signal dependent velocities affected by glucose. It is applicable to all forms of human body conditions, regardless of size, weight, age or health condition. It can be adapted for use in a closed loop system for insulin delivery on an “as-needed basis.”

The invention discloses an ultrasonic three-dimensional image display method and a display device, wherein the method comprises the following steps: receiving a touch operation of a user on a screen; in accordance with pressure of the touch operation, determining an image erasing depth, and conducting erasing treatment on a three-dimensional image in accordance with the erasing depth; and displaying the three-dimensional image which is subjected to the erasing treatment. With the implementation of the display method and the display device, the user can regulate erasing parameters in real time by virtue of the touch operation and can intuitively regulate the erasing parameters in accordance with the displayed image which is subjected to the erasing treatment, so that the image with an appropriate depth can be displayed without setting the erasing parameters for several times.

An ultrasound diagnostic apparatus includes a determining unit adapted to determine a depth position of a boundary of the intima-media complex at the clear boundary sound ray, and ascertain a depth position of the boundary of the intima-media complex at the unclear boundary sound ray; and an calculator adapted to calculate an intima-media complex thickness based on the depth positions of the boundary of the intima-media complex, wherein the determining unit performs pattern matching on a sound ray signal corresponding to the unclear boundary sound ray by using a sound ray signal corresponding to a clear boundary sound ray lying adjacent to the unclear boundary sound ray as a reference signal, thereby ascertaining the depth position of the boundary of the intima-media complex at the unclear boundary sound ray.

The invention discloses an elastic imaging method and device for measuring anisotropic elastic properties of nerves. The method includes the following steps: allowing a subject to adopt a certain fixed body position, and keeping the body position stable; respectively placing an ultrasonic probe along a nerve fiber direction and a direction perpendicular to the nerve fiber direction; in the above two cases, emitting simulation to the nerves in a certain way; performing imaging on nerve fiber/nerve cross sections by using the ultrasonic probe at a certain pulse repetition frequency, and obtaining a particle velocity field by a signal processing process; and further obtaining nerve wave propagation in two cross sections, and analyzing the wave propagation signals to obtain results for characterizing anisotropy of the nerves to be tested. The method can characterize the anisotropic elastic properties of the superficial peripheral nerves with larger diameters in a non-destructive, non-invasive and quick manner, the measured parameters can quantitatively describe the anisotropy of the nerves, and early diagnosis of nerve-related diseases can be performed.

A shear wave velocity is accurately measured. Time change data of a displacement of a tissue due to a shear wave generated in a test object is calculated from a reception signal obtained by transmitting an ultrasonic wave to the test object and receiving a reflected wave. The time change data of the displacement is converted into spectrum data indicating a displacement distribution in a frequency space having a spatial frequency and a time frequency as two axes. Spectrum data in a predetermined region is extracted by rotating the spectrum data by a predetermined angle in the frequency space, and filtering the rotated spectrum data. A velocity of the shear wave is calculated based on the extracted spectrum data in the predetermined region.