A61B8/4254

Ultrasound imaging system having automatic image presentation

A method of generating a 3D ultrasound image includes acquiring a 3D volumetric data set corresponding to a 3D imaging volume of an ultrasound probe in a 3D detection volume; acquiring a position of the ultrasound probe with respect to the 3D detection volume; acquiring a position of an interventional medical device with respect to the 3D detection volume; determining a position of the interventional medical device relative to the 3D imaging volume of the ultrasound probe; determining an interventional medical device-aligned plane that intersects with a longitudinal axis of the interventional medical device; extracting a texture slice from the 3D imaging volume for a corresponding interventional medical device-aligned plane positional and rotational orientation; mapping the texture slice onto the interventional medical device-aligned plane; and rendering the interventional medical device-aligned plane as a 3D ultrasound image and displaying the rendered 3D ultrasound image on a display screen.

Ultrasound probe with an integrated needle assembly and a computer program product, a method and a system for providing a path for inserting a needle of the ultrasound probe

A device and system for and methods of using an ultrasound probe housing containing ultrasound probes configured to produce images inside the body of a patient for procedures requiring needle or probe insertion. The ultrasound probe housing can be configured with a guide channel cut-out or aperture between the ambient side and body side of a patient. A needle guide assembly may be pivotally connect internal to the guide channel cut-out or aperture of the ultrasound probe housing at a pivot point such that during use the needle enters the patient through the needle guide assembly within the ultrasonic probe housing so that the needle can be visualized by the ultrasonic probes in real time. The ultrasound probe housing may also provide an adhesion or suction quality to the body side of the device to facilitate aspects of the invention.

CONTACT ASSESSMENT FOR BALLOON CATHETER

In one embodiment, a medical system includes a catheter configured to be inserted into a cavity of a body of a living subject, and including an inflatable balloon comprising electrodes, the inflatable balloon being configured to press the electrodes against tissue of the cavity and at least partially block blood flow in the cavity, an ultrasound probe configured to provide velocity measurements of the blood flow in the cavity over time, a processor configured to assess a quality of contact of the electrodes with the tissue responsively to at least one of the velocity measurements of the blood flow in the cavity, and output an indication of the quality of contact to an output device, and a power supply configured to provide at least one electrical signal to the electrodes in order to ablate the tissue of the cavity.

DEFORMABLE SENSOR WITH DEFORMATION FEEDBACK, AND SYSTEM AND METHOD USING THE SAME

A biomedical sensor is provided that includes a deformable body panel, a first ultrasonic transducer, a second ultrasonic transducer, and a displacement sensor. The first and second ultrasonic transducers are attached to, and the displacement sensor is in communication with, the deformable body panel. The biomedical sensor is disposable in at least one default configuration wherein the first and second ultrasonic transducers are disposed relative to one another in a known first spatial transducer configuration. The biomedical sensor is disposable in one or more deformed configurations wherein the first and second ultrasonic transducers are disposed relative to one another in a second spatial transducer configuration different than the first spatial transducer configuration. The at least one displacement sensor is configured to produce signal information indicative of a difference between the first and second spatial transducer configurations.

Ultrasound probe and ultrasound system provided with said ultrasound probe

An ultrasound probe in combination with at least an operating unit such as a tracking sensor or receiver and/or a keypad and/or a surgical tool support, wherein the probe and the at least one operating unit are each one provided with one of two parts of a releasable joint, the said two parts of the joint being releasably engageable one with the other by magnetic force and by mechanical coupling.

ULTRASONOGRAPHY APPARATUS, ULTRASONOGRAPHY METHOD, AND ULTRASONOGRAPHY PROGRAM
20230210500 · 2023-07-06 · ·

A processor acquires an ultrasound image group including a plurality of ultrasound images of a subject captured by an ultrasound probe, which is moved along a body surface of the subject, at a plurality of imaging positions of the subject. The processor searches for a similar ultrasound image group that is similar to features of the acquired ultrasound image group with reference to a plurality of diagnosed ultrasound image groups and a diagnostic log which is for each of the plurality of diagnosed ultrasound image groups and which includes positional information indicating a position of a disease. The processor specifies an imaging position on a body surface where a disease predicted in the subject is capable of being imaged, using the positional information included in the diagnostic log for the similar ultrasound image group, and notifies of the specified imaging position.

Acoustic phantom and method for intracardiac ultrasound localization catheter

Apparatus for calibration includes a mount and one or more acoustic targets. The mount, which is adapted to hold a medical probe, includes an acoustic imaging device that emits ultrasonic beam in a plane, while permitting an orientation of the plane of the ultrasonic beam to be adjusted. The one or more acoustic targets are arranged to continuously intersect the plane of the ultrasonic beam over a given range of orientation angles.

METHOD AND SYSTEM FOR AUTOMATICALLY SETTING AN ELEVATIONAL TILT ANGLE OF A MECHANICALLY WOBBLING ULTRASOUND PROBE
20230210498 · 2023-07-06 ·

A system and method for automatically setting an elevational tilt angle of a mechanically wobbling ultrasound probe is provided. The method includes acquiring, by a mechanically wobbling ultrasound probe of an ultrasound system, an ultrasound volume of a region of interest. The method includes analyzing, by at least one processor of the ultrasound system, the ultrasound volume to identify an ultrasound image slice depicting an anatomical object of interest. The ultrasound image slice corresponds with an elevational tilt angle. The method includes setting, by the at least one processor, the mechanically wobbling ultrasound probe to the elevational tilt angle corresponding with the ultrasound image slice depicting the anatomical object of interest. The method includes acquiring, by the mechanically wobbling ultrasound probe, a two-dimensional (2D) ultrasound image at the elevational tilt angle. The method includes causing, by the at least one processor, a display system to present the 2D ultrasound image.

Device and method for measuring the viscoelastic properties of a viscoelastic medium
11690592 · 2023-07-04 · ·

A device for vibration controlled transient elastography, in particular to quantify liver fibrosis, includes an ultrasound probe for elastography comprising a probe casing, at least one ultrasound transducer having a symmetry axis, a vibrator, and a force sensor, wherein the vibrator is arranged to induce a movement of the probe casing along the symmetry axis of the ultrasound transducer, the ultrasound transducer being bound to the probe casing with no motion of the ultrasound transducer relative to the probe casing, and wherein the device includes a signal generator configured to issue a contact ready signal when the force applied by the probe on the to-be-measured viscoelastic medium is greater than a minimum contact force threshold. The signal generator may further be configured to issue a measurement ready signal when the force is greater than a minimum measurement force threshold.

Volume acquisition method for object in ultrasonic image and related ultrasonic system
11690599 · 2023-07-04 · ·

An object volume acquisition method of an ultrasonic image, for a probe of an ultrasonic system is disclosed. The volume acquisition method of the object in the ultrasonic image includes collecting, by the probe, a plurality of two-dimensional ultrasonic images; obtaining the plurality of two-dimensional ultrasonic images, an offset angle, a rotation axis and a frequency of the probe corresponding to the plurality of two-dimensional ultrasonic images; segmenting a first image including an ultrasonic image object from each two-dimensional ultrasonic image of the plurality of two-dimensional ultrasonic images based on a deep learning structure; determining a contour of the ultrasonic image object; reconstructing a three-dimensional model corresponding to the ultrasonic image object according to the contour of the ultrasonic image object corresponding to the each two-dimensional ultrasonic image; and calculating a volume of the ultrasonic image object according to the three-dimensional model corresponding to the ultrasonic image object.