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1664 results about "Vibrational energy" patented technology

Energetically-controlled delivery of biologically active material from an implanted medical device

A medical device and system capable of providing on-demand delivery of biologically active material to a body lumen patient, and a method of making such medical device. A first coating layer comprising a biologically active material and optionally a polymeric material is disposed on the surface of the medical device. A second coating layer comprising magnetic particles and a polymeric material is disposed on the first coating layer. The second coating layer, which is substantially free of a biologically active material, protects the biologically active material prior to delivery. The system includes the medical device and a source of energy, such as an electromagnetic or mechanical vibrational energy. When the patient is exposed to the energy source, the magnetic particles move out of the second coating layer and create channels therein through which the biologically active material can be released.
Owner:BOSTON SCI SCIMED INC

Ultrasonically heated probe

A surgical device includes a probe having a proximate end configured to connect to an ultrasonic driver assembly that generates ultrasonic vibrational energy, and a shaft for conducting the ultrasonic vibrational energy from the proximate end to a distal end. The device also includes a canula located at least partially over the distal end of the probe. A material is interposed between the probe and the canula for converting the ultrasonic vibrational energy into heat energy.
Owner:SOLTA MEDICAL

Systems and methods for implantable leadless cochlear stimulation

Systems and methods are disclosed to enable hearing in the deaf by stimulating sites in the cochlea. The invention uses electrical stimulation in the cochlea, where vibrational energy from a source is received by an implanted device and converted to electrical energy and the converted electrical energy is used by implanted electrodes to stimulate the cochlear nerve. The vibrational energy is generated by a controller-transmitter, which could be located either externally or implanted. The vibrational energy is received by a receiver-stimulator, which contains multiple electrodes to stimulate along selected sites in the cochlea.
Owner:EBR SYST

Miniaturized Piezoelectric Based Vibrational Energy Harvester

The present subject matter discloses apparatus and methodologies for fabricating apparatus for harvesting power from environmentally induced vibrations. Piezoelectric devices and structures (1600) are disclosed that employ constant force spring or flexure arrangements (1512) in balanced opposition configurations (1510, 1534) to enhance the power harvesting capabilities of the piezoelectric devices (1600). Power harvesting devices and systems in accordance with the subject technology may concurrently operate as sensors in motion sensitive applications thus providing self-powered monitoring capabilities.
Owner:MICHELIN RECH & TECH SA

Methods, systems, and kits for plaque stabilization

Atherosclerotic plaque and blood vessels may be stabilized by directing vibrational energy, typically ultrasonic energy, into the adjacent blood vessel wall. Application of the vibrational energy, optionally in combination with growth factors, growth factor genes, or other substances which enhance growth instability of a fibrotic cap over the plaque, will reduce the risk of rupture of unstable plaque and inhibit the conversion of stable plaque into unstable plaque.
Owner:PHARMASONICS

Electromechanical generator for converting mechanical vibrational energy into electrical energy

An electromechanical generator for converting mechanical vibrational energy into electrical energy, the electromechanical generator comprising a housing, an electrically conductive coil assembly fixedly mounted in the housing, the coil assembly having radially inner and outer sides, and upper and lower edges, thereof, a mount for the coil assembly extending inwardly of the radially inner side for fixing the coil assembly in a fixed position in the housing, a magnetic core assembly movably mounted in the housing for linear vibrational motion along an axis, and a biasing device mounted between the housing and the magnetic core assembly to bias the magnetic core assembly in opposed directions along the axis towards a central position, wherein the magnetic core assembly encloses the electrically conductive coil assembly on the radially outer side and on the upper and lower edges, and on a part of the radially inner side, the magnetic core assembly having a gap on a radially inner portion thereof through which the mount extends, and the radially inner portion including two opposed magnets spaced along the axis.
Owner:HITACHI RAIL LTD +1

Methods, systems, and kits for intravascular nucleic acid delivery

Nucleic acid transfection of vascular smooth muscle cells is enhanced by the application of vibrational energy to the cells. By applying vibrational energy at frequency in the range from 1 kHz to 10 MHz and at an intensity in the range from 0.01 W / cm2 to 100 W / cm2, significant enhancement of the uptake of nucleic acids into vascular smooth muscle cells can be achieved.
Owner:PHARMASONICS

Energy harvester apparatus having improved efficiency

An improved vibrational energy harvester includes a housing and at least one energy transducer. In an embodiment, a second mass element is arranged to receive collisionally transferred kinetic energy from a first mass element when the housing is in an effective state of mechanical agitation, resulting in relative motion between the housing and at least one of the second and further mass elements. The energy transducer is arranged to be activated by the resulting relative motion between the housing and at least one of the second and further mass elements. In a further embodiment, kinetic energy is collisionally transferred in a velocity-multiplying arrangement from the first to a second or further mass element that has a range of linear ballistic motion. The energy transducer is arranged to be activated, at least in part, by the ballistic motion of the second or further mass element. The energy transducer, or a portion of it, may be attached to the housing, or it may be attached to another of the mass elements.
Owner:UNIVERSITY OF LIMERICK +1

Wound treatment apparatus and method

An apparatus for cleansing wounds in which irrigant fluid from a reservoir connected to a conformable wound dressing and wound exudate from the dressing are moved by a device (which may be a single pump or two pumps) for moving fluid through a flow path which passes through the dressing and a means for providing simultaneous aspiration and irrigation of the wound. The apparatus also comprises means to apply high frequency vibrational energy, e.g. ultrasound, to the wound bed. The former removes materials deleterious to wound healing, while distributing materials that are beneficial in promoting wound healing over the wound bed. The latter promotes healing. The dressing and a method of treatment using the apparatus.
Owner:SMITH & NEPHEW INC

Method of Forming Barbs on a Suture

A method is provided for forming a barbed medical device which includes the steps of providing a blank workpiece and forming at least one barb on the blank workpiece by applying vibrational energy to a tool and bringing the tool and the blank workpiece into contact with each other at an angle such that the tool cuts into the surface of the blank workpiece. A barbed medical device formed by this method is also provided.
Owner:TYCO HEALTHCARE GRP LP

Method of drying printed material and apparatus therefor

To carry out drying of printing ink with the use of Nano sized high-temperature dryness steam. Nano sized high-temperature dryness steam being clustered on Nano oder is generated and jetted to the print side of printed material so that the Nano sized high-temperature dryness steam imparts intramolecular vibrational energy to ink of the print side. Consequently, the Nano sized high-temperature dryness steam being clustered on Nano oder not only passes through fiber pores in the printed material but also collides with the ink of the print side. The Nano sized high-temperature dryness steam having collided with the ink of the print side imparts thermally excited energy as intramolecular vibrational energy to the ink containing polar molecules. The ink is dried by the intramolecular energy.
Owner:DAIDO SANGYO

Laser treatment device for hair growth stimulation

Disclosed is a laser treatment device which is designed to stimulate hair growth and prevent hair loss by applying LLLT (Low Level Laser Therapy) to the scalp using laser light of a specified wavelength. The laser treatment device also provides ultra-low frequency mechanical vibrations to the scalp and the combination of light and vibrations is designed to produce synergy. Laser light, which may be blocked by remaining hair, may nonetheless reach the scalp using light-emitting elements attached to the ends of tooth-shaped protrusions. The present laser treatment device is characterised by a bendable applicator having said tooth-shaped protrusions such that it can change shape in accordance with the curvature of the head, which increase the efficiency of light and vibrational energy delivery. The laser treatment device is optimally controlled with a means to measure the light and vibrational energy supplied to the scalp, and the applicator may also be used as a wearable headset, which provide greater simplicity in mounting and removal.
Owner:WONTECH CO LTD

Automobile vibrational energy piezo-electric generating method and system

The invention relates to a method and its system which is utilized the automobile vibration energy to piezoelectric generate electricity. The piezoelectric device is set in the automobile suspension system, utilized the vibration energy to generate electric energy, and used as an electric supply to store and utilize. The system includes that no less than one piezoelectric device set in the automobile suspension system and used to transform the vibration energy to electric energy; an electric power exchange system, used to adjust and transform the electric energy produced by the piezoelectric device, and used the electric energy to the energy storage device or final power utilization load; no less than one energy storage device or final power utilization load. The piezoelectric device is connected to the electric power exchange device, and it is respectively connected to the energy storage device or final power utilization load. The invention supplies new energy source for the vehicle, especially for the electric automobile or mixing dynamic automobile. The gained electric energy can be directly used for the dynamic electric source, so that effectively increase the continuous driving mileage of the vehicle. Proper control strategy is adopted. And the invention also possesses the function of semi-active vibration reduction.
Owner:XI AN JIAOTONG UNIV

Systems and methods for implantable leadless bone stimulation

Systems and methods are disclosed to enhance bone growth by stimulating bone sites for bone regrowth, fusion, or grafts. The invention uses electrical stimulation of the bone site, where vibrational energy from a source is received by an implanted device and converted to electrical energy and the converted electrical energy is used by implanted electrodes to stimulate the bone site. The vibrational energy is generated by a controller-transmitter, which could be located either externally or implanted. The vibrational energy is received by a receiver-transmitter, which could be incorporated into an orthopedic device, such as pin, cage, plate or prosthetic joint used for bone healing.
Owner:EBR SYST

Methods and devices for endovascular therapy

ActiveUS20160270806A1Increase vascular permeabilityReduce stenosisMedical devicesCatheterDiseaseEndovascular therapy
The present invention provides methods and devices for treating endovascular disease. Vibrational energy is delivered to change compliance and increase permeability at the treatment area. To improve clinical outcomes, one or more therapeutic drugs may be delivered to the treatment area.
Owner:CARDIOPROLIFIC INC

Turbine blade nested seal damper assembly

A turbine blade damper seal assembly includes a seal and a damper that both abut a radially outermost non-gas path surface. The seal is fabricated from a plastically deformable material and nests within a recess of the damper. The damper is fabricated from a rigid material that absorbs vibrational energy generated during operation. The recess within the damper provides for both the damper and the seal to be positioned at the radially outermost non-gas path surface.
Owner:RTX CORP

Systems and methods for implantable leadless brain stimulation

Systems and methods are disclosed to stimulate brain tissue to treat medical conditions such as movement disorders, pain and epilepsy. The disclosed invention uses electrical stimulation of the brain tissue, where vibrational energy from a source is received by an implanted device and converted to electrical energy and the converted electrical energy is used by implanted electrodes to stimulate the pre-determined brain site. The vibrational energy is generated by a controller-transmitter, which could be either implanted or located externally. The vibrational energy is received by a receiver-stimulator, which could be located under the skull, within the brain, on the dura, or in the cranial space close to the brain. As a therapeutic treatment, the implantable receiver-stimulator stimulates the brain sites that are effective in altering brain activity.
Owner:EBR SYST

Front-loadable refuse container having side-loading robotic arm with motors and other mass mounted at rear of container and use of same with front-loading waste-hauling vehicle having hydraulic front forks or other retractably engageable lift means

A front-loading, refuse collecting vehicle is modularly provided with a combination of a low-profile, front-loadable waste bin (intermediate container) and one or more, side-loading robotic arms. To reduce mechanical stresses along couplings between the vehicle and the combination of the intermediate container and the robotic arm(s), a major portion of the mass of the robotic arm mechanism is situated to the rear of the intermediate container so that a mass and beam combination is defined where the mass-supporting beam has reduced length. More specifically, hydraulic and / or other relatively massive motor means of the robotic arm mechanism are mounted to the rear of a refuse-containing wall of the intermediate container. Elastomeric and / or other dampening means may be interposed between the vehicle and the bulk mass of the combination of the intermediate container and robotic arm mechanism for converting into heat some of the vibrational energy which may otherwise move between the vehicle and the combination of the intermediate container and robotic arm mechanism. A modular sled system may be provided for supporting different robotic arms in combination with refuse containers made of different materials as may be appropriate for different waste collection situations.
Owner:CUROTTO JOHN M

Noise rejecting electronic stethoscope

InactiveUS20080137876A1Simple and rugged in designIncrease heightStethoscopeElectronic stethoscopeEngineering
An acoustic-electronic stethoscope that filters aberrant environmental background noise. The chest piece employs acoustic vents to inhibit resonant amplification of noise and contains a diaphragm design that focuses vibrational energy to a raised ring, which transfers and further focuses the energy to a piezoelectric polymer sensor with dual elements. The ensuing electrical signal is then preamplified with the low frequency sound, comprising predominantly background noise, filtered out. The stethoscope contains a binaural head set and output jack for down loading of data. Furthermore, areas normally subject to exposure and damage to water, such as the chest piece and headset, are water-tight.
Owner:THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY

Resonant energy MEMS array and system including dynamically modifiable power processor

An integrated MEMS resonant generator system includes a substrate, a plurality of piezoelectric micro generators disposed on the substrate, the micro generators each generating a voltage output in response to vibrational energy received, and at least one power processor disposed on the substrate. The power processor electrically coupled to outputs of the plurality of micro generators. When the input conditions change, the power processor can dynamically adjust its switching functions to optimize the power delivered to a load or energy storage reservoir.
Owner:UNIV OF FLORIDA RES FOUNDATION INC
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