A probe transmission device comprises a drive shaft which is provided with a radial hole and an axial hole, wherein the radial hole is in communication with the axial hole. A rope extends into the axial hole via the radial hole. A fixing component is arranged within the axial hole and fixes the rope within the radial hole. The probe transmission device is provided with the radial hole and the axial hole on the drive shaft. The rope extends into the radial hole and is fixed via the fixing component which is arranged with the axial hole. The structure of the present probe transmission is simple. The surface of the drive shaft does not require a component for fixing the rope, and the surface of the drive shaft is smooth. Interference produced by the rope and components on the surface of the drive shaft is avoided.

An ultrasound probe may include a mechanical transducer and a probe housing. The mechanical transducer may be rotatable about an axis. The mechanical transducer may be operable to acquire ultrasound image data at one or more rotational positions of a plurality of rotational positions. The probe housing may include a probe cap covering the mechanical transducer. The mechanical transducer may be directed toward the probe cap at each of the plurality of rotational positions. The probe cap may include a defined structure having a first thickness and a remainder portion having a second thickness different than the first thickness. In various embodiments, at least a portion of the defined structure is at a center section of the probe cap corresponding with a center rotational position of the mechanical transducer.

Provided is an ultrasound imaging apparatus including: an ultrasound probe including a transducer module including an ultrasound transducer array, a driving device configured to rotate the transducer module, a magnet configured to rotate as a result of rotation of the transducer module, and a position sensor configured to output one of a first signal and a second signal on the basis of a change in magnetic flux density according to rotation of the magnet; and a controller configured to determine a first time for which the first signal is output as the transducer module rotates in a first direction, control the driving device to switch the rotating direction of the transduce module from the first direction to a second direction at a first switching time point at which an output signal is switched from the first signal to the second signal, control the driving device to switch the rotating direction of the transducer module one or more times during a time corresponding to the first time with respect to a second switching time point at which the output signal is switched from the second signal to the first signal after the first switching time point, determine a second time for which the first signal is output after the second switching time point, and determine a backlash value on the basis of a difference value between the first time and the second time.

The invention relates to an ultrasonic measuring device including an ultrasonic array configured to detect ultrasonic signals, and a housing. The housing includes an acoustic window portion and a housing wall. The ultrasonic array is arranged in the housing in acoustic contact with the acoustic window portion. The acoustic window portion is configured to adhere to a surface of the object to be examined. The invention further relates to an examination apparatus, which includes at least one such ultrasonic measuring device, and to a method for ultrasonic signal detection, in particular for ultrasound-based imaging.

Systems and methods are disclosed that facilitate obtaining two dimensional (2D) ultrasound images, using two or more ultrasound imaging modes or modalities, to generate 2D multi-parametric ultrasound (mpUS) images and/or to generate a three-dimensional (3D) mpUS image. The different ultrasound imaging modes acquire images in a common frame of reference during a single procedure to facilitate their registration. The mpUS images (i.e., 2D or 3D) may be used for enhanced and/or automated detection of one or more suspicious regions. After identifying one or more suspicious regions, the mpUS images may be utilized with a real-time image to guide biopsy or therapy the region(s). All these processes may be performed in a single medical procedure.

An ultrasound imaging system and method includes acquiring and displaying a first image of a first plane including a longitudinal axis of a vessel and identifying first position information of the longitudinal axis. The system and method includes acquiring and displaying a second image of a second plane that intersects the longitudinal axis of the vessel at an oblique angle, where the second plane is rotated about the longitudinal axis of the ultrasound probe, where the ultrasound probe is in the same position with respect to the vessel when acquiring both the first image of the first plane and the second image of the second plane, and identifying second position information defining the second plane with respect to the ultrasound probe. The system and method include calculating a volume flow rate based on the first image, the second image, the first position information and the second position information.

Devices, systems, and methods of imaging a blood vessel are provided. For example, the method can include obtaining fluoroscopic image data of a region of interest in a blood vessel using an x-ray source; obtaining intravascular ultrasound (IVUS) data at a plurality of positions across the region of interest using an IVUS component disposed on an intravascular device; processing the fluoroscopic image data and IVUS data, including: determining, using the fluoroscopic image data, a position of the intravascular device with respect to the x-ray source at each of the plurality of positions across the region of interest; co-registering the fluoroscopic image data and the IVUS image data; and generating, a model of the region of interest including position information of a border of a lumen of the blood vessel at each of the plurality of locations; and outputting a visual representation of the model of the region of interest.

Methods and systems for acquiring a plurality of data vectors at a first frequency and a plurality of data vectors at a second frequency, where the first frequency is greater than the second frequency. The plurality of first frequency data vectors can be formed into a first set of data vectors and the plurality of second frequency data vectors can be formed into a second set of data vectors. A first filter can be applied to the first set of data vectors to form a first modified data set and a second filter can be applied to the second set of data vectors to form a second modified data set. Based on the first and second modified data sets, a frequency response of an item in the imaging view can be determined. Using the determined frequency response of the item, an image is created on a display.

The arrangements of the present disclosure provide a locating apparatus, a locating method, and a shelf. The locating apparatus includes a rotating mechanism, a distance measuring mechanism, and a locating circuit. The rotating mechanism is configured to control the distance measuring mechanism to rotate in a plane where the distance measuring mechanism is positioned, and to measure a rotation angle of the distance measuring mechanism in the plane. The distance measuring mechanism is configured to measure a distance between the distance measuring mechanism and an obstacle. The locating circuit is configured to determine a position of the obstacle in the plane based on the rotation angle of the distance measuring mechanism in the plane and the distance between the distance measuring mechanism and the obstacle.

A reusable rotating ultrasound capsule for mounting to a distal end of a catheter. An exemplary device includes a motor compartment having a proximal face and a distal end. A sensor compartment includes a cap that seals with the motor compartment. A motor located within the motor compartment includes a drive component and a shaft rotatably coupled to the drive component and extending distally from the motor compartment into the sensor compartment. The shaft includes an ultrasound transducer. A plurality of electrical contacts are mounted on the proximal face. At least two of the electrical contacts are electrically coupled to the motor. A rotational electrical coupler includes a rotational component mechanically coupled to the shaft and electrically coupled to the ultrasound transducer and a stationary component mechanically coupled to the motor compartment and electrically coupled to one or more of the plurality of electrical contacts.