Zund
Fabio Zund, Zurich CH
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20140270553 | CONTENT-AWARE IMAGE COMPRESSION METHOD - Methods for content-aware image compression are disclosed. One method comprises the steps of non-uniformly downscaling an original input image according to a saliency map, creating a residual image, encoding the residual image and downscaled input image, and transmitting the residual image and downscaled input image. The encoded image components are transmitted to a receiver. Downscaling may be performed using an aspect ratio that is automatically calculated from the saliency map. The saliency map may be based on an algorithm specified at an encoder or on regions of interest selected by a plurality of users of receivers that receive the transmitted encoded image components. | 09-18-2014 |
Fredy Zund, Widnau CH
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20090107396 | Vacuum chamber on a frame basis for coating installations - The present invention relates to a vacuum chamber and to its production. According to the invention, the vacuum chamber comprises a frame into which insert plates are placed. The insert plates form together with the frame a closed space in which a vacuum can be created. Preferably, the shell of the frame is extracted from an integrally formed metal piece, with a large portion of material being removed, leading to openings for the insert plates to be created. This has among others the advantage that no welding seams are necessary where the individual plates are inserted. | 04-30-2009 |
Gregor Zund, Schweiz DE
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20100280597 | Tubular Supporting Prosthesis Having a Heart Valve, Particularly for Aortic Valve Replacement - The invention relates to a tubular supporting prosthesis, comprising two terminal regions relative to the longitudinal supporting prosthesis axis and a center region disposed between the two terminal regions, wherein every terminal region is provided with a mesh structure made of at least two structural rings, which are connected to each other via connecting members and are disposed point-symmetrically about the longitudinal supporting prosthesis axis. The center region is formed by elongated connecting members, which are connected to the structural rings respectively disposed adjacent to the center of the longitudinal supporting prosthesis axis. An aortic valve, which is produced by means of tissue engineering, is fastened and/or integrated in the center region. | 11-04-2010 |
20110060401 | Tubular Supporting Prosthesis Capable of Growing - The invention relates to a tubular supporting prosthesis capable of growing, comprising a mesh structure, wherein the mesh structure comprises at least two structural rings, which are connected to each other via connecting members and are disposed point-symmetrically about the longitudinal supporting prosthesis axis, wherein the structural rings and/or the connecting members have at least one predetermined breaking point. | 03-10-2011 |
Gregor Zund, Zurich CH
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20090209982 | Biodegradable Scaffold - The present invention relates to a biodegradable scaffold for a prosthetic implant, such as a prosthetic vessel and/or a prosthetic heart valve. The implantable prosthetic further comprises a biological tissue-like matrix. The present invention further provides methods of assembling or manufacturing a biodegradeable prosthetic implant using pre-formed jig components. | 08-20-2009 |
20100041132 | Bioreactor System - In one aspect the invention provides a bioreactor system for the production of tissue prostheses. The system includes a bioreactor, a culture medium reservoir coupled to the bioreactor by a first conduit and a second conduit, a pump operable to pump fluid into and draw fluid out of a pumping chamber defined in the bioreactor to generate a pulsatile flow of culture medium through the reservoir and bioreactor via said first and second conduits, one or more flow meters operable to generate flow rate signals representative of the rate of culture medium flow through one or both of said first and second conduits, and a controller arranged to receive said flow rate signals from said one or more flow meters and to control the pump means in response to said received flow rate signals to provide a desired rate of culture medium flow. | 02-18-2010 |
Gregor Zund, Herrliberg CH
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20080281434 | Tissue Engineering Using Pure Populations Of Isolated Non-Embryoblastic Fetal Cells - The present invention relates to methods for the in vitro production of mammalian tissue replacements using substantially pure populations of isolated non-embryoblastic fetal cells having the capacity to differentiate into the cell type(s) that form(s) the native tissue. The tissue replacements engineered by the methods of the present invention are especially useful for the repair of non-functional or malfunctional cardiovascular structures in patients suffering from congenital cardiovascular disorders. | 11-13-2008 |
20080287813 | Blood Pressure Monitoring Device and Methods for Making and for Using Such a Device - Disclosed are a system and a method for noninvasively and continuously monitoring blood pressure. Also disclosed is a method for making such a device. The system includes a semiconductor chip comprising a transducer array of individual pressure or force sensors and associated circuitry providing control signals to and/or processing signals from these sensors, all of the above integrated in the chip. Also disclosed is a specific sensor structure provided on said chip. The invention further encompasses a system for measuring and/or tracking the blood pressure waveform and for combining the latter with related blood values like the heartbeat, derived from the above or other measuring devices. | 11-20-2008 |
Marco Zund, Balgach CH
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20140023297 | VALVE FOR LIQUID VESSELS - A valve for opening and closing a liquid vessel or pouch, which includes a valve body having a central axis, top and bottom sides arranged transversely with respect to the central axis, and a passage opening that extends through the valve body coaxially from the top side to the bottom side. A closure element can be pressed into the passage opening by a spring element coaxially with respect to the central axis from the underside such that the passage opening can be closed in a liquid-tight manner. The closure element includes a first sealing lip which can be pressed into the passage opening with an interference fit P | 01-23-2014 |