Patents Represented by Attorney, Agent or Law Firm William H. Dippert
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Patent number: 6814076Abstract: An ambient pressure control ventilation apparatus controls mechanical ventilation of a patient. The apparatus comprises: a sealable chamber adapted to accommodate a while body of a patient, a pump fluidically connected to the chamber, alternatively compressing and decompressing a ventilating gas within the chamber: a relief valve, fluidically connected to the chamber: and a control unit adapted to control the pump and the relief valve so as to create a periodic regime of alternating compression and decompression of ventilating gas within the chamber, about a predetermined baseline.Type: GrantFiled: August 27, 2002Date of Patent: November 9, 2004Inventors: Taly Shusterman, Mark Shusterman
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Patent number: 6780199Abstract: A stent delivery system is comprised of an elongated flexible advancement member which terminates in a tubular tracking member slidable over a guidewire. An inflatable balloon has proximal and distal ends, the proximal end communicating with an inflation channel, and the distal end attaching to the tracking member. The balloon portion is coextensive with but not attached to the advancement member, which is external to the balloon. A stent is positioned around the inflatable balloon, and when the balloon is inflated, the stent expands radially. The outer surface of the expanded stent has one or more projections that enhance retention of the stent.Type: GrantFiled: March 19, 2002Date of Patent: August 24, 2004Assignee: Advanced Cardiovascular Systems, Inc.Inventors: Ronald J. Solar, Glen L. Lieber
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Patent number: 6767324Abstract: An epicardial cooled stabilizer system is useful for surgical or laparoscopic applications, especially beating heart surgery. The system comprises a stabilizer connected to a cooler/pump where coolant flows into tubing at the distal end of the stabilizer. The tubing is positioned at a surgical site to enhance traction and minimize trauma.Type: GrantFiled: September 28, 2001Date of Patent: July 27, 2004Assignee: The Trustees of Columbia University in the City of New YorkInventors: David A. D'Alessandro, Mehmet C. Oz
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Patent number: 6749600Abstract: Apparatus is provided for insertion into a lumen of a body of a subject. The apparatus includes a sheath, the sheath including at least one section which is reinforced by braiding. The section extends longitudinally along at least a portion of the sheath. The sheath also includes at least one section which is substantially not reinforced, which extends longitudinally along at least the portion.Type: GrantFiled: November 15, 2000Date of Patent: June 15, 2004Assignee: Impulse Dynamics N.V.Inventor: Tamir Levy
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Patent number: 6740104Abstract: A balloon dilatation system is comprised of an elongated flexible advancement member which terminates in a tubular tracking member slidable over a guidewire. An inflatable balloon has proximal and distal ends, the proximal end communicating with an inflation channel, and the distal end attaching to the tracking member. The balloon portion is coextensive with but not attached to the advancement member. An alignment member aligns the advancement member and the inflation channel. Other embodiments relate to delivery of stents or other medical instrumentalities.Type: GrantFiled: July 31, 2000Date of Patent: May 25, 2004Assignee: Advanced Cardiovascular Systems, Inc.Inventors: Ronald J. Solar, Glen L. Lieber
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Patent number: 6730118Abstract: A valve prosthesis device is disclosed suitable for implantation in body ducts. The device comprises a support stent, comprised of a deployable construction adapted to be initially crimped in a narrow configuration suitable for catheterization through the body duct to a target location and adapted to be deployed by exerting substantially radial forces from within by means of a deployment device to a deployed state in the target location, and a valve assembly comprising a flexible conduit having an inlet end and an outlet, made of pliant material attached to the support beams providing collapsible slack portions of the conduit at the outlet. The support stent is provided with a plurality of longitudinally rigid support beams of fixed length.Type: GrantFiled: October 11, 2002Date of Patent: May 4, 2004Assignee: Percutaneous Valve Technologies, Inc.Inventors: Benjamin Spenser, Netanel Benichu, Assaf Bash, Avraham Zakai
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Patent number: 6725093Abstract: A method and apparatus (30) for modifying contractility of the heart of a patient. The method includes receiving signals from a sensor (22, 23, 46) coupled to the body of the patient indicative of physiological activity. The signals are analyzed to derive a measure of the physiological activity, and excitable tissue control (ETC) stimulation is applied to the heart (20) so as to enhance contractility of the heart muscle responsive to the measure.Type: GrantFiled: September 10, 2001Date of Patent: April 20, 2004Assignee: Impulse Dynamics N.V.Inventors: Shlomo Ben-Haim, Nissim Darvish, Itzhak Shemer, Yehuda Snir
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Patent number: 6720907Abstract: A system for the detection and determination of the success of interception of incoming missiles, used in conjunction with a defense weapon system capable of identifying and tracking incoming missiles and interceptors. The system comprises at least one of a plurality of sensing units. Each sensing unit comprises: an optical sensor for detecting optical signals within a predetermined range; tracking means coupled to the optical sensor for tracking an intercepting missile or an incoming missile; processing means for processing optical input detected by the optical sensor and analyzing the optical input to identify an optical signature and determine detonation of interceptor or incoming missile; communicating means for communicating data between the sensing unit and the defense weapon system; and control means for controlling the tracking means, the processing means and the communicating data.Type: GrantFiled: May 12, 2003Date of Patent: April 13, 2004Assignee: Rafael-Armament Development Authority Ltd.Inventor: Raphael Miron
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Patent number: 6717056Abstract: The invention includes an insulated, fatigue-resistant conductor formed of a conductive wire, a polymeric insulative sleeve having inner and outer layers, and a shape memory alloy (SMA) element disposed between the two layers. The SMA has a preferred thickness between 2 and 50 microns, an undeformed austentitic state, an Af between about −10° C. and 35C., a pseudoelasticity character above its Af, and demonstrates a stress/strain recovery greater than 3% above its Af. Also disclosed is a method of forming the conductor, and a pacemaker which uses conductor as leads.Type: GrantFiled: June 13, 2001Date of Patent: April 6, 2004Assignee: HAK Consulting, LLCInventors: Patrick Rivelli, Harry Kopelman
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Patent number: 6699216Abstract: This invention concerns a method of improving kidney function, whereby a negative pressure is induced in the kidney. One embodiment useful in this regard comprises a balloon catheter having at least one lumen therethrough where the proximal end of the lumen is connected to a vacuum source.Type: GrantFiled: November 5, 2002Date of Patent: March 2, 2004Assignee: The Trustees of Columbia University in the City of New YorkInventor: Edward F. Ikeguchi
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Patent number: 6694641Abstract: A fast-strapping sandal assembly comprising a sole assembly having a ball, arch and heel area and inward facing and outward facing portions; a heel engagement strap, adapted to support a wearer's heel; a main strap having a first end and a second end, the first end engaged to the sole assembly at the ball area on the inward portion of the sole assembly, the main strap extending through a loop associated with a first support post attached to the sole assembly at the outward facing portion of the sole assembly on the ball area and/or arch area, crossing over through a loop associated with a second support post attached to the sole assembly at the inward facing portion of the sole assembly near the anticipated ankle position of the wearer; and a fastening strap engaged to the sole assembly at the heel area and fasteningly engageable to the second end of the main strap, whereby a single tightening and fastening of the main strap is required to acquire fast and precise firm hold of the sandal to the wearer&apType: GrantFiled: August 7, 2002Date of Patent: February 24, 2004Inventor: Yoram Gill
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Patent number: 6694192Abstract: A method and apparatus for controlling uterine contractions in a female comprises providing sensors for sensing uterine contractions; providing an electric signal generator for generating signals to be applied on the uterus; providing a control unit for receiving signal corresponding to uterus contractions from the sensors and actuate said signal generator to generate a non-excitatory electric signal in a predetermined timing and duration with respect to a sensed uterine contraction; providing signal delivery leads for delivering the electric signal from the electric signal generator to predetermined locations on the uterus; sensing a uterine contraction using the sensors; and applying non-excitatory electric field at the predetermined locations on the uterus in predetermined timing and duration with respect to the sensed uterine contraction.Type: GrantFiled: January 3, 2001Date of Patent: February 17, 2004Assignee: Impulse Dynamics N.V.Inventors: Shai Policker, Ricardo Aviv, Daniel Kamil
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Patent number: 6675043Abstract: A method and apparatus is provided for modifying contractility of the heart of a patient. The method includes receiving signals from a sensor coupled to the body of the patient indicative of physical exertion by the patient. The signals are analyzed to estimate a metabolic demand of the patient, and excitable tissue control (ETC) stimulation is applied so as to enhance contractility of the heart muscle responsive to the metabolic need.Type: GrantFiled: September 10, 2001Date of Patent: January 6, 2004Assignee: Impulse Dynamics N.V.Inventors: David Prutchi, Yuval Mika
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Patent number: 6662055Abstract: An intravascular lead having a distal and proximal ends, comprising at least one electrode electrically connected to a conductive insulated wire of a predetermined diameter, tapered at least at one predetermined location along said wire towards its distal end to provide a predetermined smaller diameter wire, thus presenting a main proximal relatively thick lead segment, and a relatively thinner distal lead segment, allowing catheterization of the cardiac sinus and in particular the delivery of said electrode into a selected coronary venule.Type: GrantFiled: December 17, 1999Date of Patent: December 9, 2003Assignee: Impulse Dynamics NVInventor: David Prutchi
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Patent number: 6644703Abstract: A self-adaptive vacuum grip apparatus includes a vacuum source (51), a vacuum reservoir (54) fluidically connected to the vacuum source; a contact surface (56), and a plurality of conduits (55); where a conduit has an inlet (2) positioned on the contact surface and an outlet (3) fluidically connected to the vacuum reservoir. The conduit is provided with a plurality of fins (4, 5) mounted on the internal wall thereof arranged in two arrays substantially opposite each other. Each of the fins of the arrays, excluding the fin nearest to the inlet and the fin nearest to the outlet of the conduit, is positioned substantially opposite one of a plurality of cavities wherein opposing fin arrays are arranged asymmetrically.Type: GrantFiled: February 25, 2002Date of Patent: November 11, 2003Assignee: Core Flow Ltd.Inventors: Daniel Levin, Yuval Yassour
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Patent number: 6629993Abstract: A flexible expandable sheet stent is intended for the better support of a diseased vessel wall on the basis of securing the very best characteristics and raising the serviceability of a stent in a vessel. The stent comprises constructive elements, preliminarily formed in the shape of a stencil on the thin sheet metallic blank surface. The stent's constructive elements include a saw-shaped profile made of teeth from which the relatively rigid band in the shape of consecutively-united pockets is formed. In a passage formed of consecutively-united pockets, a polymer thread with a fixed length loaded with medical preparations for local drug delivery is deployed. The implantation of the stent in a vessel under X-ray is performed in such a way as to locate the relatively rigid band of consecutively-united pockets on the side of the vessel wall adjoining the cardiac muscle.Type: GrantFiled: April 4, 2001Date of Patent: October 7, 2003Assignee: Brainwave Cardiovascular Technologies, Ltd.Inventor: Valarian Voinov
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Patent number: 6626901Abstract: An instrument and method are provided for sealing and joining or hemostatically dividing tissue, which is particularly suitable for laparoscopic and endoscopic surgery. The instrument makes use of the controlled application of a combination of heat and pressure to seal adjacent tissues, to join adjacent tissues, or to anastomose tissues, whereby tissue is heated for an optimal time and at an optimal temperature under optimal pressure to maximize tissue seal strength while minimizing collateral tissue damage. The instrument of the present invention is lightweight and therefore portable, and is particularly useful in field conditions where a source of external power may not be readily available.Type: GrantFiled: August 13, 1999Date of Patent: September 30, 2003Assignee: The Trustees of Columbia University in the City of New YorkInventors: Michael R. Treat, Fred H. Co, George D. Hermann, Thomas A. Howell, Theodore R. Kucklick, Michelle Y. Monfort, Kenneth H. Mollenauer
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Patent number: 6625181Abstract: An apparatus for laser machining for optically machining a workpiece. The apparatus comprises a plane polarized primary laser beam source adapted to generate a primary plane polarized light beam; a beam splitter, adapted to split the primary light beam into a plurality of secondary light beams; a light modulator array, comprising an array of individually controllable elements that are each adapted to be set to either allow each beam of the plurality of secondary light beams to traverse through, or effectively block it; a microlens array, comprising an array of microlens elements foci of predetermined lengths, said microlens array elements corresponding to the elements of the light modulator array so that light beam passing through an element of the light modulator array is focused by a corresponding element of the microlens array; and control means adapted to independently switch each of the elements of the light modulator between a transparent and opaque modes in a predetermined manner.Type: GrantFiled: October 23, 2000Date of Patent: September 23, 2003Assignee: U.C. Laser Ltd.Inventors: Sergei V. Oshemkov, Vladimir Yu. Dmitriev, Nicolai N Guletsky
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Patent number: 6605106Abstract: A catheter for intravascular corporeal cooling comprises an elongated tubular member having at least one lumen extending therethrough for providing cooled blood, an inflatable annular balloon positioned on the outer surface of the elongated tubular member, and a pressure reliever positioned in the external wall of the elongated tubular member and proximal to the annular inflatable balloon, wherein when the pressure of blood within a lumen reaches a predetermined value, the pressure reliever opens to permit fluid to be released from the elongated tubular member. In other embodiments of the invention the catheter may have two or more inflatable annular balloons that are separately inflatable and/or the catheter has an insulative outer annular member.Type: GrantFiled: January 26, 2001Date of Patent: August 12, 2003Assignee: The Trustees of Columbia University in the City of New YorkInventor: Arthur E. Schwartz
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Patent number: RE39079Abstract: Disclosed herein are compositions comprising a modified starch and a carrageenan, especially iota-carrageenan, where the compositions are suitable for use in manufacturing soft capsules.Type: GrantFiled: January 22, 2004Date of Patent: April 25, 2006Assignee: R.P. Scherer Technologies, Inc.Inventors: Keith Edward Tanner, Peter Robert Draper, John J. Getz, Stephen W. Burnett, Elizabeth Youngblood