Abstract: Disclosed is systems and methods for cleaning devices holding fluid such as heat exchanges. The cleaning is performed by using a system such as a transducer assembly including a mechanical wave generator and a waveguide including a cavity. The system is capable of operating at its fundamental resonance frequency even when connected to an outer surface of the device to be cleaned.

Abstract: An intraocular pressure measurement arrangement is disclosed for measuring pressure of an eye of a patient. The arrangement can include at least one source for producing mechanical waves of several frequencies from a distance to the eye of the patient to generate at least one surface wave to the eye, a detector for detecting at least one surface wave from a distance from the eye to extract surface wave information, and a device for determining pressure information of the eye based on the surface wave information.

Abstract: Disclosed are methods for cleaning of devices, such as heat exchangers, in particular to methods wherein machine learning systems, such as trained neural networks are used for indicating the fouling status the during the cleaning processes.

Abstract: An intraocular pressure measurement arrangement is disclosed for measuring pressure of an eye of a patient. The arrangement can include at least one source for producing mechanical waves of several frequencies from a distance to the eye of the patient to generate at least one surface wave to the eye, a detector for detecting at least one surface wave from a distance from the eye to extract surface wave information, and a device for determining pressure information of the eye based on the surface wave information.

Abstract: Various embodiments are described herein for a device for using acoustic or mechanical energy to perform an action at a target site of an object. The device comprises a conduit having an aperture disposed at the target site, a displacement signal source for generating a mechanical displacement signal, a coupling assembly having for coupling the displacement signal source to the conduit, a pressure controller coupled to the proximal end of the conduit to vary an amount of pressure in the conduit when obtaining a first entity from or delivering a second entity to the target site, and a control unit for controlling the displacement signal source to generate the mechanical displacement signal based on a desired acoustic or mechanical wave mode.

Abstract: An intraocular pressure measurement arrangement is disclosed for measuring pressure of an eye of a patient. The arrangement can include at least one source for producing mechanical waves of several frequencies from a distance to the eye of the patient to generate at least one surface wave to the eye, a detector for detecting at least one surface wave from a distance from the eye to extract surface wave information, and a device for determining pressure information of the eye based on the surface wave information.

Abstract: Disclosed is systems and methods for cleaning devices holding fluid such as heat exchanges. The cleaning is performed by using a system such as a transducer assembly including a mechanical wave generator and a waveguide including a cavity. The system is capable of operating at its fundamental resonance frequency even when connected to an outer surface of the device to be cleaned.

Abstract: An intraocular pressure measurement arrangement is disclosed for measuring pressure of an eye of a patient. The arrangement can include at least one source for producing mechanical waves of several frequencies from a distance to the eye of the patient to generate at least one surface wave to the eye, a detector for detecting at least one surface wave from a distance from the eye to extract surface wave information, and a device for determining pressure information of the eye based on the surface wave information.

Abstract: A system for detecting a wave occurring in/on a membrane includes a source for directing an excitation signal obliquely to the membrane and a receiver for measuring interference between a first part of the excitation signal reflected off a front surface of the membrane and a second part of the excitation signal reflected off a rear surface of the membrane. The system includes a processing device for detecting the wave based on a change in the measured interference. The detection of the wave is based on changes caused by the wave in the optical length of a V-shaped part of a propagation path of the second part of the excitation signal, where the V-shaped part of the propagation path is inside the membrane.

Abstract: Disclosed is methods and systems for cleaning devices holding fluid such as heat exchanges. The cleaning is performed by using a system such as a transducer assembly including at least one pair of protrusions acting as point-like pressure sources or at least one substantially circular protrusion acting as a substantially circular point-like pressure source, coupled to outer surface of the device to be cleaned. Accordingly, coupling of the system to device is reduced, and as a result, the system is able to operate at its fundamental resonance frequency, while the protrusions still permit power delivery to the device.

Abstract: A system for measuring pressure of an eye includes an excitation source for producing a travelling air vortex ring and for directing the travelling air vortex ring to the eye, a detector for detecting an interaction between the travelling air vortex ring and a surface of the eye, and a processing device for determining an estimate of the pressure of the eye based on the detected interaction between the travelling air vortex ring and the surface of the eye. The travelling air vortex ring is produced by directing an air pressure pulse into a flow guide, and the air pressure pulse is generated with an electric spark or otherwise so that no swinging mass, such as a piston, is needed. This is advantageous especially in a case of a handheld device because a swinging mass would tend to adversely move the handheld device during a measurement.

Abstract: The present invention relates to systems and methods for cleaning of devices, such as heat exchangers. According to the invention, controlled cavitation is created at predetermined positions within a device. The cavitation is done by mechanical waves, such as ultrasound waves, generated by transducers, wherein the waves are based on output of time-reversal wave form analysis of the device structures.

Abstract: An intraocular pressure measurement arrangement is disclosed for measuring pressure of an eye of a patient. The arrangement can include at least one source for producing mechanical waves of several frequencies from a distance to the eye of the patient to generate at least one surface wave to the eye, a detector for detecting at least one surface wave from a distance from the eye to extract surface wave information, and a device for determining pressure information of the eye based on the surface wave information.

Abstract: The present invention relates to a device exploiting magneto-hydrodynamics (MHD) for localized delivery of material into a target or extraction of material from a target. The device includes a frame (101) comprising a space (102) for conductive fluid and the material, at least one pair of electrodes (103A, 103B) facing each other, a source of electric current (105), a magnet (105), and an opening (106). The electric current and the magnetic field are synchronized so that the material can be moved from the volume between the electrodes through the opening towards the target or from the target through the opening towards the volume. According to the invention the volume is ?2000 mm3, in proviso that mean distance between tips of the electrodes is ?20 mm.

Abstract: Disclosed is a method for producing oleogels by sonicating a mixture including an oleogelator component and an oil component with ultrasound including superpositioned ultrasound waves while cooling the mixture from a temperature wherein the mixture is in molten state to a temperature wherein the oleogelator component of the mixture is at least partially in solid state. The method produces oleogels of improved stability.

Abstract: The application relates to a device (100) for non-invasively sampling interstitial fluid comprising one or more analytes from dermis (101 a) to skin surface (101 b) by using the magneto-hydrodynamic effect. The device comprises a first electrode (102a) and a second electrode (102b) adapted to be positioned adjacent to the skin surface, the first electrode separated from the second electrode by a distance (103), a power source (104) adapted to induce an electric current through the first electrode, the interstitial fluid and the second electrode, and also a magnet (105) adapted to produce a magnetic field to the interstitial fluid. Direction of the magnetic field and direction of the electric current produced by the magnet and the power source, respectively, is such that Lorentz force drives the fluid from the dermis towards the skin surface.

Abstract: An object delivery arrangement is disclosed for delivering objects into bone. The arrangement is configured for generating localized mechanical waves into a tissue, for performing localized deposition of the objects near bone, and for exposing the objects and the bone to said mechanical waves to obtain deposition of the objects into the bone.

Abstract: Disclosed are methods for cleaning of devices, such as heat exchangers, in particular to methods wherein machine learning systems, such as trained neural networks are used for indicating the fouling status the during the cleaning processes.

Abstract: An artifact for determining resolution of imaging based on electromagnetic radiation, mechanical waves, or both is presented. The artifact includes a substrate and layers on top of the substrate. The layers include organic material and are stacked on each other in a partially overlapping way so that an edge of a first one of the layers is arranged to intersect with an edge of a second one of the layers. The layers constitute a three-dimensional surface topography where a groove defined by the edges of the first and second ones of the layers is tapering towards a point of intersection between the edges. The resolution is a minimum width of the tapering groove which is revealed by the imaging so that a pre-determined criterion is fulfilled.

Abstract: An artifact for determining resolution of imaging based on electromagnetic radiation, mechanical waves, or both is presented. The artifact includes a substrate and layers on top of the substrate. The layers include organic material and are stacked on each other in a partially overlapping way so that an edge of a first one of the layers is arranged to intersect with an edge of a second one of the layers. The layers constitute a three-dimensional surface topography where a groove defined by the edges of the first and second ones of the layers is tapering towards a point of intersection between the edges. The resolution is a minimum width of the tapering groove which is revealed by the imaging so that a pre-determined criterion is fulfilled.