Patents Represented by Attorney Adam Bell
  • Patent number: 8192534
    Abstract: Devices and systems for capturing and removing accumulated gas bubbles in a liquid-carrying line wherein the device is an expanded double-layered chamber designed and adapted to be integrally placed within the flow pathway of a liquid-carrying line. The device allows insertion of tubes and wires through the device while in use without occlusion of the fluid flow path and without interruption of the bubble-removing function. The efficiency of the air venting and bubble-removing process is not dependent on the fluid flow rate under stable flow conditions, and the device works to remove air bubbles under a range of orientations.
    Type: Grant
    Filed: October 13, 2007
    Date of Patent: June 5, 2012
    Inventors: Neema Hekmat, Lipkong Yap
  • Patent number: 8176705
    Abstract: The present invention relates to a novel composite structure with enhanced toughness, which incorporates features mimicked from nacre (mother of pearl). The structure can be used in many industrial and clinical applications, including aeronautics (aircraft skin), the defense industry (armor materials); orthopedics and medical devices (tough, biocompatible coatings on prostheses) and micro-electro-mechanical systems (MEMS; increased reliability for critical components).
    Type: Grant
    Filed: October 30, 2011
    Date of Patent: May 15, 2012
    Assignee: Northwestern University
    Inventors: Horacio Dante Espinosa, François Barthelat
  • Patent number: 8048016
    Abstract: A long-term implantable arterio-venous shunt device is provided that can be used as a therapeutic method. The shunt device is implanted between an artery and a vein, preferably between the aorta and the inferior vena cava. The shunt device decreases the systemic vascular resistance and allows a blood flow rate through the shunt device of at least 5 ml/min after the implantation. The blood flow rate could be controlled either via an open loop or a closed loop control means. The shunt device could also be a self-adjustable shunt device to self-adjust its structure to control the blood flow rate through its lumen. Based on the effects of the shunt device to the respiratory, cardiac and circulatory system, the implantable shunt device could be beneficial as a therapy to patients with problems or conditions related to these systems.
    Type: Grant
    Filed: February 12, 2009
    Date of Patent: November 1, 2011
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventors: John L. Faul, Toshihiko Nishimura, Peter N. Kao, Ronald G. Pearl
  • Patent number: 7967769
    Abstract: A long-term implantable arterio-venous shunt device or creation of a fistula is provided that can be used as a therapeutic method for treating chronic obstructive pulmonary disease (COPD). The shunt device is implanted between an artery and a vein, preferably between a peripheral artery and the inferior vena cava. The shunt device and method of creating a fistula increases cardiac output and decreases the systemic vascular resistance and allows a blood flow rate through the shunt device of at least 5 ml/min after the implantation. Based on the effects of the method and device to the respiratory, cardiac and circulatory system, the method and device are beneficial as a therapy to patients with problems or conditions related to these systems.
    Type: Grant
    Filed: April 24, 2007
    Date of Patent: June 28, 2011
    Assignee: Rox Medical Inc.
    Inventors: John Faul, Toshihiko Nishimura, Peter Kao, Ronald Pearl
  • Patent number: 6864421
    Abstract: A device that automatically compensates for heat-induced sag in a suspended line by using a shape memory alloy actuator. As the actuator it is heated, it contracts, producing a pulling force in the line, and thereby reducing sag.
    Type: Grant
    Filed: August 26, 2003
    Date of Patent: March 8, 2005
    Assignee: Power Transmission Solutions Inc.
    Inventor: Manuchehr Shirmohamadi
  • Patent number: 6764750
    Abstract: A multi-layer wax bar for waxing a surf board, that includes both a higher melting point base coat wax and a second topcoat wax in the same bar. The two waxes are bonded together so that the surfer can carry a single bar of wax into the water and use it to apply both the base coat and the topcoat of wax.
    Type: Grant
    Filed: May 14, 2003
    Date of Patent: July 20, 2004
    Inventor: Charles E. Claycomb
  • Patent number: 6685697
    Abstract: The present invention provides methods and devices for controlled delivery of a therapeutic agent to an internal cavity of the ear, particularly to the inner ear. In general, the invention uses a drug delivery unit for inner ear treatment which employs a portion of carrier media material containing one or more therapeutic agents therein. The carrier media material is designed to release the therapeutic agents in a controlled manner over time. The drug delivery unit is shaped and sized for placement of at least a portion thereof in the round window niche of a patient. The released therapeutic agents come in contact with the round window membrane and pass therethrough into the inner ear for treatment purposes. This system provides many benefits ranging from the ability to deliver drugs in a site specific, highly controlled manner to the transfer of such materials with minimal patient discomfort and monitoring requirements.
    Type: Grant
    Filed: September 25, 2001
    Date of Patent: February 3, 2004
    Assignee: Durect Corporation
    Inventors: Irving K. Arenberg, Michael H. Arenberg, Christine Lemke, John A. Berglund
  • Patent number: 6638263
    Abstract: The present invention features methods and devices for modulating the rate of delivery of a drug formulation from a drug delivery device by diverting drug away from a drug delivery pathway. In one embodiment, a flow regulator is positioned relative to a drug delivery pathway of a drug delivery system so that adjustment of the flow regulator can provide for diversion of drug away from the drug delivery pathway. Diverted drug can be either delivered into the systemic circulation of the subject, or can be captured in a waste reservoir.
    Type: Grant
    Filed: October 12, 1999
    Date of Patent: October 28, 2003
    Assignee: Durect Corporation
    Inventors: Felix Theeuwes, James E. Brown