9 results about "Ultrasound probe" patented technology

The invention discloses an ultrasound thickness measuring method and a device based on broadband frequency-modulation and receiving compensation. Thee method structures an intermittent type broadband linear frequency-modulation ultrasound signal by using the method of linear frequency-modulation; broadcasting time of the intermittent type broadband linear frequency-modulation ultrasound signal at the inner part of a workpiece is inverted according to frequency parameters of emitted and received frequency-modulation signals; workpiece thickness is obtained by combining a preset sound speed. The device comprises a handhold type control, a display and an array type ultrasound wave probe component, wherein the array type ultrasound wave probe component is composed of a plurality of ultrasound transducers capable of stimulating the broadband linear frequency-modulation ultrasound wave, wherein one ultrasound transducer is arranged in the middle, and the rest ultrasound transducers are arranged at four sides. The ultrasound thickness measuring method and the device can realize the flaw detection at a near field and a remote field; and the invention is low in energy loss, small in volume, high in precision and strong in antijamming capability; and furthermore, the ultrasound thickness measuring method and the device can adapt various noise environments.

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.

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 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.

The invention relates to an intravascular three-dimensional imaging device for piezoelectric driving scanning, and belongs to the technical field of intravascular interventional imaging. The device comprises an imaging conduit and a spiral ultrasonic motor, wherein the spiral ultrasonic motor drives the imaging conduit to do spiral motion; the imaging conduit comprises a miniature ultrasonic probe, a probe base, a torque spring and a metal matching tube; and the spiral ultrasonic motor comprises a plastic shell, a plastic cover, a metal column, a stator, a rotor, a spring and a nut. The driving device is miniaturized and light, can be held by hand and has no electromagnetic interference, and the imaging signal-to-noise ratio of the system is improved.

An ultrasound diagnostic apparatus (1), which performs a compression test with respect to at least two points of a popliteal vein and a common femoral vein of a subject, includes an ultrasound probe (15), an image acquisition unit (8) that acquires an ultrasound image by transmitting an ultrasound beam toward the subject from the ultrasound probe (15), a vein detection unit (9) that detects the popliteal vein included in the ultrasound image, and an operation guiding unit (10) that guides a user, in a case where the compression test of the popliteal vein is performed, to operate the ultrasound probe such that the ultrasound probe (15) is positioned at a position in which only one popliteal vein is included in the ultrasound image based on the number of the popliteal veins detected by the vein detection unit (9).

Adaptors for ultrasound probes can have an adaptor body can have an open lower end that allows a distal end of the ultrasound probe to extend therethrough to contact skin of a patient. The adaptor can include a plurality of spaced apart resilient members held by the adaptor body that, in operation, are able to change in length such that the resilient members translate from a first longer length to a second shorter length when the probe applies compressive force to the target tissue.