Abstract: A vibration generating system (100) for elastography equipment and a control method thereof, elastography equipment, a method for controlling the vibration generating system (100) for elastography equipment, a method for operating the elastography equipment, and a corresponding computer-readable medium. The vibration generating system (100) for elastography equipment comprises: a control unit (1), a pressure source (2), a pressure regulating unit (3), and a vibration transmitting unit (4). The pressure regulating unit (3) is in fluidic communication with the pressure source (2) and the vibration transmitting unit (4), respectively. The vibration transmitting unit (4) is used to transmit vibration according to a pressure acting thereon. The control unit (1) is coupled with the pressure regulating unit (3). The control unit (1) is configured to obtain a control parameter by using a look-up table module (12) according to inputted elastography conditions, so as to control the pressure regulating unit (3).

Abstract: The invention relates inter alia to an elastography device having at least one excitation unit (10) for generating mechanical tissue movements in human or animal tissue, and an image-recording device.

Abstract: The invention relates inter alia to an elastography device having at least one excitation unit (10) for generating mechanical tissue movements in human or animal tissue, and an image-recording device.

Abstract: The invention relates, inter alia, to a method for operating an elastography device (10), wherein an excitation unit (20) generates mechanical vibration patterns for generating mechanical tissue movements in human or animal tissue, and an image recording device (30) generates images of the tissue during the tissue movements. According to the invention, it is provided that for initiating the respective next mechanical vibration pattern, a respective trigger signal (T) is fed into a trigger signal terminal (20a) of the excitation unit (20), and for configuring the excitation unit (20), configuration signals (K) are fed into the same trigger signal terminal (20a) of the excitation unit (20).

Abstract: The invention relates inter alia to a method for examining human or animal tissue, wherein at least one time-harmonic mechanical excitation wave of predetermined excitation frequency is coupled into the tissue, the wave speed of a shear wave in the tissue caused by the mechanical excitation wave and having the frequency of the excitation wave is measured by means of an ultrasound method, and an elasticity measurement specifying the elastic properties of the tissue is determined using the measured wave speed.

Abstract: The invention relates to, inter alia, a method for characterizing tissue of human or animal tissue, wherein a vector field (u) is established, which specifies the mechanical deflection or a time derivative of the mechanical deflection of tissue particles present in the tissue, the divergence of the vector field (?·u) is determined and the divergence of the vector field is used as a measurement result characterizing the tissue for the purposes of tissue characterization.

Abstract: A device and method for producing mechanical oscillations in a research object using magnetic resonance elastography (MRE) with a membrane that can be set into periodic motion and a transmission element for the transmission of periodic motion of the membrane onto the research object, whereby the membrane is connected to the transmission element by means of a mounting medium in such a way that periodic motion of the membrane is transmitted over the mounting medium to the transmission element.

Abstract: The invention relates to a device to produce mechanical oscillations in a research object using magnetic resonance elastography (MRE) with a membrane that can be set into periodic motion (312) and a transmission element (4, 400) for the transmission of periodic motion of the membrane (312) onto the research object (1), whereby the membrane (312) is connected to the transmission element (4, 400) by means of a mounting medium (311, 320, 321, 322) in such a way that periodic motion of the membrane is transmitted over the mounting medium (311, 320, 321, 322) to the transmission element (4, 400). A second aspect relates to the invention of a device with a step motor to generate periodic motion and a transmission element for the transmission of the periodic motion of the step motor to the research object in order to generate mechanical oscillation therein.

Abstract: The invention relates to a method for elastographically examining tissue. Said method comprises the following steps: at least one mechanical wave that oscillates primarily or exclusively perpendicular to the direction of propagation thereof is excited in the tissue (31) which has first elastic properties at least at one first point in time and second elastic properties differing from the first elastic properties at least at one second point in time; and a first deflection or deflection rate of an oscillation of the wave is determined at the first point in time as a measure of the first elastic properties, and a second deflection or deflection rate of an oscillation of the wave is determined at the second point in time as a measure of the second elastic properties. The invention further relates to an apparatus for elastographically examining tissue.