Abstract: The invention relates to the technical field of surgical positioning, in particular to a puncture needle positioning system and method, and a method and device for obtaining the axis of an ultrasound probe as projected onto an ultrasound image. The puncture needle positioning system includes: an ultrasound unit including a first probe for providing an ultrasound image of a lesion, and a plurality of first positioning devices for providing coordinate information of the first probe are provided on the first probe; the needle unit includes a puncture needle. The puncture needle is provided with a plurality of second positioning devices for providing coordinate information of the puncture needle; a processing and display unit is connected to the ultrasound unit, each of the first positioning devices, and each of the second positioning devices. The puncture needle positioning system improves the accuracy of transthoracic puncture, thereby avoiding complications caused by repeated puncture.

Abstract: A system for navigating to a target includes an extended working channel having a lumen for receiving a tool, a computing device including a memory and at least one processor, and a display device. A plurality of images and a program are stored in the memory. The program, when executed by the at least one processor, presents a user interface. The user interface includes at least one image of the plurality of images depicting the target and a progression of the extended working channel through the airway. The user interface also includes a probability treatment zone defining a probability distribution of a trajectory of the tool once deployed beyond an opening of the extended working channel.

Abstract: An ultrasound diagnostic apparatus (1) includes an ultrasound probe (2) and a diagnostic apparatus main body (3) that are wirelessly connected, the ultrasound probe (2) includes a detection unit (16) that generates complex baseband signals, an averaging unit (17) that averages the complex baseband signals at a plurality of sampling points in a Doppler gate set on a B-mode image to acquire average complex baseband signals, and a probe-side wireless communication circuit (20) that wirelessly transmits the average complex baseband signals, and the diagnostic apparatus main body (3) includes a main body-side wireless communication circuit (31) that receives the average complex baseband signals, and a Doppler image generation unit (33) that performs a frequency analysis on the average complex baseband signals to generate a Doppler image, and displays the Doppler image on a monitor (36).

Abstract: For shear wave imaging with ultrasound, the apparent pulse repetition frequency is increased by combining displacements from different lateral locations. Different combinations based on different shear wave velocities and corresponding time shifts and/or attenuations and corresponding scalings are tested to find a smooth displacement profile for the combination. Once the smooth displacement profile is found, the corresponding shear wave velocity is estimated or determined.

Abstract: A system and method for ultrasound imaging may involve the use of an ultrasound probe and a processor coupled to the probe and to a source of previously-acquired ultrasound image data. The processor may be configured to receive patient identification information (e.g., responsive to user input and/or supplemented by additional information such a photo of the patient), to determine whether the patient identification information identifies a recurring patient, and if so, to retrieve, from the source of previously-acquired ultrasound image data, previous ultrasound images associated with the recurring patient. The processor may be further configured to generate a current ultrasound image based on signals received from the prove and to apply a neural network to the current ultrasound image and the previous ultrasound images to identify a matching pair of images, such that imaging settings from the matched previous image may be applied to the system for subsequent imaging.

Abstract: The present disclosure provides a new concept of fusion imaging device for simultaneously providing anatomical information and functional/biochemical information of human bodies, to accurately localize lesions in the pre-operative process and measure in real time, thereby ensuring the stability of patients with lower radiation doses than the existing fusion imaging devices such as positron emission tomography (PET)/computed tomography (CT) and single photon emission computed tomography (SPECT)/CT, and includes: a transducer to transmit and receive an ultrasound; a matching layer positioned on top of the transducer to reduce a difference in acoustic resistance between the transducer and an affected part, to support an ultrasound beam to be smoothly transmitted into tissues and a reflected beam to be received with high sensitivity; a backing member to absorb the ultrasound on an opposite side of the affected part with respect to the transducer; and a scintillator to detect gamma rays which are radiation, wherei

Abstract: The present disclosure relates generally to medical imaging devices, such as a real-time visualization and diagnostic and/or therapeutic tool assembly, which may include an ergonomic handle and catheter configured for dual-function use during a medical procedure. By way of non-limiting example, the medical device may be configured for use with a probe, such as one disposed at the distal end of the catheter, and delivered within a bronchoscope working channel to provide real-time visualization (e.g., radial ultrasound imaging) and manipulation (e.g., diagnostic biopsy sampling) of pulmonary nodules in peripheral regions of the lung. As disclosed herein, in various embodiments, one or more components of the medical imaging device may be configured to position a catheter with a first tool/instrument (e.g., a biopsy needle) within a peripheral region of the lung while maintaining real-time visualization of the pulmonary nodule (e.g., with a second tool/instrument, such as a radial ultrasound probe).

Abstract: The present disclosure is related to systems and methods for position determination. The method includes obtaining, via a plurality of sensors, real-time target magnetic field information of a target subject. The plurality of sensors may be configured on the target subject. The target subject may be located in a reference magnetic field in a medical system. The method includes determining real-time target position information of the target subject based on the real-time target magnetic field information of the target subject and magnetic field distribution information of the reference magnetic field in the medical system.

Abstract: An ultrasonic diagnostic apparatus generates an ultrasonic image of a subject by using an ultrasonic probe, and the ultrasonic diagnostic apparatus includes: a transducer unit that is arranged in the ultrasonic probe and performs transmission and reception of ultrasonic waves; a stepping motor that is arranged in the ultrasonic probe and moves the transducer unit; a motor controller that sends a drive signal of a microstep drive method to the stepping motor; an encoder that is arranged in the ultrasonic probe, detects rotational motion of the stepping motor, and generates a detection signal having a pulse train shape depending on an amount of rotational displacement per unit time of the stepping motor; and a position data generator that generates high-resolution position data in which resolution of position data of the transducer unit obtained from the detection signal is increased.

Abstract: An acoustic imaging system responsive to an acoustic wave emitted from an object is disclosed. The system detects a deflection angle of an electromagnetic probe beam as it passes through a coupling element. The coupling element also couples the acoustic wave emitted from the object to an acoustic detector. The probe beam deflection angle is related to an angle of propagation of the acoustic wave through the coupling element. A filtering unit is configured to remove components of the signal from the acoustic detector that are outside of a range of angles, thereby improving the angular resolution of the acoustic detector. The acoustic wave may be generated by an acoustic source, such as an ultrasound transmitter, or an electromagnetic source such as a laser.

Abstract: An ultrasound diagnostic system includes an ultrasound diagnostic device that creates test images of an intima-media thickness of a blood vessel, a workstation connected to the ultrasound diagnostic device, and a database that sequentially stores the test images created by the ultrasound diagnostic device. The workstation includes an input unit for allowing a user to input various kinds of information, a display unit, a workstation control unit that retrieves test images in past tests for the patient as past images from the test images stored in the database to make the display unit display the past images stored in the database as thumbnails, after a current image that is a test image of a current test are created for the patient by the ultrasound diagnostic device, and a test report creation unit that automatically creates a test report on the basis of the current image, and at least one past image selected by the user via the input unit from the past images displayed as the thumbnails on the display unit.

Abstract: According to one embodiment, an ultrasonic diagnostic apparatus includes an ultrasonic probe and processing circuitry. The processing circuitry causes the ultrasonic probe to perform a first scan and second scan in a same scan sequence, wherein the first scan is for calculating a first index value based on a displacement of tissue by a shear wave that propagates through a living body, the second scan for calculating a second index value indicating an attenuation of a reflected wave signal of an ultrasonic wave applied into the living body. The processing circuitry generates a first image based on the first index value, and generates a second image based on the second index value. The processing circuitry causes a display to simultaneously display the first image and the second image.

Abstract: An ultrasound elasticity measurement device includes an ultrasound probe. The ultrasound probe includes a vibrator and a transducer. The ultrasound elasticity measurement device further includes a vibration controller, a transmission/receiving controller and a data processor. When simultaneously performing the strain detection and the vibration elasticity detection, the vibration controller generates a vibration control sequence and transmits the same to the vibrator. The ultrasound probe vibrates when driven by the vibrator, and transmits ultrasound waves to the biological tissue and receives the ultrasound echoes, so as to obtain the ultrasound echo data for strain detection and the ultrasound echo data for vibration elasticity detection.

Abstract: The present invention relates to an X-ray imaging device for minimally invasive surgery, the device including: a rod having a clamp module disposed at a first end of the rod and including a first clamp body, a second clamp body, and a clamp support; an X-ray emission module; an X-ray sensing module; and a manipulation module, in which the rod is inserted into the human body, X-rays are emitted from the X-ray emission module with the first end of the first clamp body and the first end of the second clamp body open with a lesion positioned therebetween in the human body, and the X-rays travel through the lesion and is then sensed by the X-ray sensing module.

Abstract: Ultrasound imaging methods and ultrasound imaging devices are provided, in which an inter-frame processing may be performed on elasticity echo data or the elasticity images to obtain new elasticity images, thereby improving the display frame rate of the elasticity images. The elasticity echo data comprises an ultrasound echo of an ultrasound wave returned from an object, and the elasticity images comprises at least two frames and obtained according to the elasticity echo data.

Abstract: Provided is a non-invasive system and method of determining pennation angle and/or fascicle length based on image processing. An ultrasound scan image is processed to facilitate distinguishing of muscle fiber and tendon. The processed ultrasound scan image is then analyzed. The pennation angle and/or fascicle length is determined based on the analysis. An example method includes receiving an ultrasound scan image of at least a portion of a skin layer as disposed above one or more additional tissue layers, the image provided by a plurality of pixels. The method continues by introducing noise into the pixels of the image and thresholding the pixels of the image to provide a binary image having a plurality of structural elements of different sizes. The method continues with morphing the structural elements of the binary image to remove small structural elements and connect large structural elements.

Abstract: A guiding system and a guiding method for ultrasound scanning operation are provided. The guiding system includes a handheld guiding device, a display device, an ultrasound scanning device, a prompting device, and a control host. When the handheld guiding device generates a first physical motion, the control host detects the first physical motion and generates navigation prompting information accordingly. The prompting device is suitable for presenting the navigation prompting information to guide the ultrasound scanning device to move to generate a second physical motion. The control host captures an ultrasound image via the ultrasound scanning device and sends the ultrasound image to the display device at a guiding end for display.

Abstract: At least one magnetic field actuator is configured for generating an actuated magnetic field that at least partially cancels an outside magnetic field, thereby yielding a total residual magnetic field. A plurality of magnetometers are configured for taking measurements of the total residual magnetic field. The magnetometers include a plurality of coarse magnetometers and a plurality of fine magnetometers. A processor is configured for acquiring the total residual magnetic field measurements from the coarse magnetometers, estimating the total residual magnetic field at the fine magnetometers based on total residual magnetic field measurements acquired from the plurality of coarse magnetometers, and controlling the actuated magnetic field at least partially based on the total residual magnetic field estimates at the fine magnetometers in a manner that suppresses the total residual magnetic field at the fine magnetometers to a baseline level, such that at least one of the fine magnetometers is in-range.

Abstract: According to one embodiment, an ultrasonic diagnostic apparatus includes processing circuitry. The processing circuitry is configured to acquire a current position information of an ultrasonic probe in three-dimensional space. The processing circuitry is further configured to switch from a body mark indicating one body part to a body mark indicating the other body part, when a body mark indicating one body part of a pair of left and right body parts is displayed, and when the ultrasonic probe is positioned at a position farther than a predetermined distance from a midpoint of the pair of left and right body parts toward the other body part.

Abstract: Methods, systems and computer program products for determining a property for a sample having a target region using ultrasound data from an ultrasound scanner include generating at least one spatial coherence curve based on ultrasound backscatter data in the target region, the spatial coherence curve comprising coherence values as a function of depth in the sample; and determining a property for a sample in response to the spatial coherence curve as a function of depth.