| Patent application number | Description | Published |
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| 20090209900 | DEVICE AND METHOD FOR OPENING VASCULAR OBSTRUCTIONS - The present invention is directed to a device and method for opening obstructed body internal passages and for sensing and characterizing tissues and substances being in contact with the device of the invention. In general, the device of the present invention comprises a catheter tube capable of inducing vibrations in a guidewire contained therein, wherein said vibrations of the guidewire are utilized for opening a passage through an occlusion. The in-vivo vibrations may be induced by means of a magnetic field actuating means ( | 08-20-2009 |
| 20100217275 | DEVICE FOR INDUCING VIBRATIONS IN A GUIDEWIRE - The invention relates to the field of minimal invasive catheterization, in particular to an apparatus for opening and/or removing obstructions occluding body internal passages by means of an active guidewire comprising a coil to which an alternating voltage can be applied. In that way the guidewire can vibrate if an external magnetic field is applied. | 08-26-2010 |
| 20100228151 | MULTI-STIFFNESS GUIDEWIRE - The invention relates to an active oscillating guidewire ( | 09-09-2010 |
| 20120302820 | DEVICE AND METHOD FOR OPENING VASCULAR OBSTRUCTIONS - The present invention is directed to a device and method for opening obstructed body internal passages and for sensing and characterizing tissues and substances in contact with the device. In general, the device comprises a catheter tube capable of inducing vibrations in a guidewire contained therein, wherein said vibrations of the guidewire are utilized for opening a passage through an occlusion. The in-vivo vibrations may be induced by means of a magnetic field actuating means and a guidewire comprising magnetic coupling means, or by means of transducers, which may be also used for the sensing. The invention also relates to the field of minimal invasive catheterization, particularly an apparatus for opening and/or removing obstructions occluding body internal passages by means of an active guidewire comprising a coil to which an alternating voltage can be applied. In that way the guidewire can vibrate if an external magnetic field is applied. | 11-29-2012 |
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| 20090081109 | GaN CRYSTAL SHEET - A method forms a gallium nitride crystal sheet. According to the method a metal melt, including gallium, is brought to a vacuum of 0.01 Pa or lower and is heated to a growth temperature of between approximately 860° C. and approximately 870° C. A nitrogen plasma is applied to the surface of the melt at a sub-atmospheric working pressure, until a gallium nitride crystal sheet is formed on top. Preferably, the growth temperature is of 863° C., and the working pressure is within the range of 0.05 Pa and 2.5 Pa. Application of the plasma includes introducing nitrogen gas to the metal melt at the working pressure, igniting the gas into plasma, directing the plasma to the surface of the metal melt, until gallium nitride crystals crystallize thereon, and maintaining the working pressure and the directed plasma until a gallium nitride crystal sheet is formed. | 03-26-2009 |
| 20100136770 | GROUP-III METAL NITRIDE AND PREPARATION THEREOF - A method for forming a group-III metal nitride material film attached to a substrate including subjecting the substrate to an ambient pressure of no greater than 0.01 Pa, and heating the substrate to a temperature of between approximately 500° C.-800° C. The method further includes introducing a group III metal vapor to the surface of the substrate at a base pressure of at least 0.01 Pa, until a plurality of group III metal drops form on the surface, and introducing active nitrogen to the surface at a working pressure of between 0.05 Pa and 2.5 Pa, until group III metal nitride molecules form on the group III metal drops. The method also includes maintaining the working pressure and the active nitrogen until the group III metal nitride molecules diffuse into the group III metal drops, forming nitride/metal solution drops, and until the nitride/metal solution drops turn into a wetting layer on the substrate, and continuing to increase the concentration of group III metal nitride molecules in the wetting layer until all the group III metal atoms contained in the wetting layer are exhausted, and the wetting layer transforms into a group III metal nitride film. | 06-03-2010 |
| 20100227456 | METHOD OF GROWING SEMICONDUCTOR MICRO-CRYSTALLINE ISLANDS ON AN AMORPHOUS SUBSTARATE - A method for growing islands of semiconductor monocrystals from a solution on an amorphous substrate includes the procedures of depositing a semiconductor-metal mixture layer, applying lithography and etching for forming at least one platform, heating the at least one platform, and saturating the semiconductor-metal solution until a monocrystal of the semiconductor component is formed. The procedure of depositing a semiconductor-metal mixture layer, includes a semiconductor component and at least one other metal component, is performed on top of the amorphous substrate. The procedure of applying lithography and etching to the semiconductor-metal mixture layer and a portion of the amorphous substrate is performed for forming at least one platform, the at least one platform having a top view shape corresponding to crystal growth direction and habit respective of the semiconductor component. The procedure of heating the at least one platform is performed until the semiconductor-metal mixture layer of the at least one platform is melted and becomes a semiconductor-metal solution. The procedure of saturating the semiconductor-metal solution is performed until a monocrystal of the semiconductor component is formed from the solution on each of the at least one platform. | 09-09-2010 |
| 20100311229 | AMORPHOUS GROUP III-V SEMICONDUCTOR MATERIAL AND PREPARATION THEREOF - A reactive evaporation method for forming a group III-V amorphous material attached to a substrate includes subjecting the substrate to an ambient pressure of no greater than 0.01 Pa, and introducing active group-V matter to the surface of the substrate at a working pressure of between 0.05 Pa and 2.5 Pa, and group III metal vapor, until an amorphous group III-V material layer is formed on the surface. | 12-09-2010 |
| 20120212136 | PENETRATING PLASMA GENERATING APPARATUS FOR HIGH VACUUM CHAMBERS - A plasma generating apparatus is provided with a high vacuum processing chamber and a transformer type plasmatron that is coupled with the high vacuum processing chamber. At least one gas source is coupled with the transformer type plasmatron, for introducing at least one gas into the transformer type plasmatron. The high vacuum processing chamber includes at least one entry port. The transformer type plasmatron includes: a radio frequency power source, for generating alternating current power; a plurality of conductors, coupled with the radio frequency power source; a closed loop discharge chamber, for confining the at least one gas; a plurality of high permeability magnetic cores, coupled around an outer portion of the closed loop discharge chamber and with the plurality of conductors; a plurality of apertures, located along an inner portion of the closed loop discharge chamber; and at least two dielectric gaskets. | 08-23-2012 |
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| 20080257991 | In-Line Mini Sprinklers System and Method and Apparatus for Making Same - The present invention relates to An in-line system of mini sprinklers, comprising a tubular conduit having inner and outer surface areas, fitted for a liquid flow under pressure through it and formed with at least one opening along its length; and at least one mini sprinkler unit that is at least substantially embedded within said tubular conduit, coupled to flow of said liquid within it and mounted to it around said opening, and comprises—a mobile liquid distributing assembly movable through said opening, such that when liquid's pressure in said tubular conduit increases, said liquid distributor moves and protrudes beyond said outer surface area of said tubular conduit in order to sprinkle said liquid outwards of said tubular conduit. | 10-23-2008 |
| 20090165863 | FLUID PRESSURE REGULATOR WITH NO-DRAIN VALVE - A fluid pressure regulator with a no-drain valve, characterized in that—when the fluid pressure decreases at the regulator's flow inlet to pre-set level, a no-drain spring means of the regulator, overcomes the force exerted by the fluid pressure upon the regulator's no-drain valve component and a protruding shoulder formed around its circumference, pushing a no-drain piston assembly of the regulator and stresses its no-drain valve component towards an exit flow control opening formed in the regulator, to the fully closed state of the regulator's no-drain valve component; and upon an ongoing increase of the fluid pressure at the flow inlet to a pre-set level that is still lower than the designed regulated pressure of the regulator or at most equal to the designed regulated pressure of the regulator, the force that the fluid pressure exerts on the protruding shoulder surface area formed around the circumference of the regulator's no-drain valve component, overcomes a no-drain spring means and propels the regulator's no-drain piston assembly and with it, the no-drain valve component, upon a bushing component within a cylinder assembly and through its second, open opposite end of that cylinder assembly, while opening an exit flow control opening to fluid passage from the flow inlet of the regulator to its flow outlet; and with a further increase of the fluid pressure at the flow inlet to a level higher than the designed regulated pressure of the regulator, and in order to control the flow through the regulator towards the flow outlet from its housing assembly, the regulator's no-drain piston assembly drives a bushing component carried upon a rod component to move together—the regulator's no-drain piston assembly and its piston assembly, towards a flow control opening formed in the regulator's housing assembly. | 07-02-2009 |
| 20090302127 | DRIP EMITTER WITH AN INDEPENDENT NON-DRAIN VALVE - An elastomer membrane based, regulated drip emitter unit, equipped with a non-drip valve, wherein the drip emitter is characterized by that it includes an opening that is exposable to an approximate atmospheric pressure that prevails on the water outlet from the drip emitter; and an additional elastomer membrane portion that is strained and biased against the water inlet opening of the drip emitter for creating a seal with its one side for a non-drain valve and on its other (second) side it is connected to that atmospheric pressure prevailing opening, and wherein the elastomer membrane portion is movable towards that opening in order to open the water inlet opening for enabling a water flow passage from a water supply conduit to the drip emitter, and this from the specific instant that the force exerted by the water pressure prevailing in the water supply conduit on one side of that elastomer portion, overcomes the strain at which that portion was strained and biased against the water inlet opening, as well as the approximate atmospheric pressure that prevails on the other side of that elastomer portion. | 12-10-2009 |
| 20120012682 | Means For Defining A Flow Passage In A Dripper And Method And Apparaturs For Its Implementation - A dripper unit adapted to be integrally bonded to an internal surface of a conduit. The unit being of the flat “boat-like” type and is made of solely two parts—an elongated body member formed on its one side that is intended to be affixed unto an inner wall of the conduit with an elongated water exit “pool”; and on its opposite side constructed with a throttle means and with a flow passage formed between them; and the second part is means for defining a flow passage between said means and said body. The dripper unit characterized in that the means for defining a flow passage is formed as an elongated flat thin sheet which is adapted to be bonded to the elongated body member while covering and therefore defining underneath, at least a flow-restricting flow path. | 01-19-2012 |
| 20120160926 | DRIP EMITTER WITH AN INDEPENDENT NON-DRAIN VALVE - A flat type pressure regulated drip emitter with a non-drain valve capabilities that is installable inside a water supply conduit during the conduit manufacturing process and characterized by that the emitter's non-drain valve function is executed independently and separately from its pressure regulation function, through a portion of the emitter's elastomer component that is strained and biased against the emitter's water inlet opening and is moveable towards and away from an additional opening (additional to the emitter's water outlet opening), exposed to the pressure prevailing in the emitter's water exit pool and therefore, at any given time, this portion of the elastomer component is exposed to the maximum differential pressure that prevails in the system—on its one side to the water pressure prevailing in the water supply conduit and on its other (second) side—to the approximate atmospheric pressure. | 06-28-2012 |
