Patents by Inventor David N. Ku

David N. Ku has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240001001
    Abstract: A tissue-filling composition comprises an injectable material having the properties of a Bingham plastic. The tissue-filling composition is a solid which partially liquefies as it is injected through a needle or cannula into solid tissue. The tissue-filling composition may be a poly(vinyl alcohol) produced from an aqueous solution which is subjected to a single freeze-thaw cycle under conditions which cause the poly(vinyl alcohol) to have the properties of a Bingham plastic.
    Type: Application
    Filed: July 12, 2023
    Publication date: January 4, 2024
    Applicant: Athena Devices, Inc.
    Inventors: David N. Ku, Christopher A. Bresette
  • Publication number: 20230372272
    Abstract: The present invention provides compositions that have anti-thrombotic and thrombolytic activity. These compositions are useful, e.g., in the treatment of diseases or disorders associated with thrombus formation, such as stroke and myocardial infraction, and for other uses.
    Type: Application
    Filed: September 28, 2021
    Publication date: November 23, 2023
    Inventors: Dongjune Kim, David N. Ku, Susan Shea
  • Publication number: 20190343871
    Abstract: Methods of modulating the conformation of vWF are provided. One embodiment provides a method for linearizing globular vWF by contacting globular vWF proteins with an effective amount of negatively charged nanoparticles that interact with the globular vWF proteins to induce a conformational change in the globular vWF proteins such that the change in conformation inhibits or reduces the ability of the vWF proteins to bind to platelet receptors. Preferred negatively charged nanoparticles are non-functionalized.
    Type: Application
    Filed: January 31, 2018
    Publication date: November 14, 2019
    Inventors: Michael T. Griffin, Cyrus K. Aidun, David N. Ku
  • Patent number: 10201425
    Abstract: The invention provides prosthetic venous valves, and method of use thereof, for the effective treatment of individuals with venous reflux in chronic venous insufficiency (CVI). The development of such prosthetic venous valves in the areas of valve design, design specifications, verification and/or validation testing, computational analysis, valve placement and clinician guidance and procedure are provided. Manufacturing the prosthetic venous valves of the invention is also provided.
    Type: Grant
    Filed: March 2, 2016
    Date of Patent: February 12, 2019
    Inventors: David N. Ku, Daniel Tanner
  • Publication number: 20160256277
    Abstract: The invention provides prosthetic venous valves, and method of use thereof, for the effective treatment of individuals with venous reflux in chronic venous insufficiency (CVI). The development of such prosthetic venous valves in the areas of valve design, design specifications, verification and/or validation testing, computational analysis, valve placement and clinician guidance and procedure are provided. Manufacturing the prosthetic venous valves of the invention is also provided.
    Type: Application
    Filed: March 2, 2016
    Publication date: September 8, 2016
    Inventors: David N. Ku, Daniel Tanner
  • Patent number: 9180000
    Abstract: A based device for use as tissue repair includes a median part between two end parts. The median and end parts have a different tensile stiffness.
    Type: Grant
    Filed: January 20, 2012
    Date of Patent: November 10, 2015
    Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, ASSOCIATION POUR LA RECHERCHE ET LE DEVELOPPEMENT DE METHODES ET PROCESSUS INDUSTRIELS “ARMINES”, GEORGIA TECH RESEARCH CORPORATION—GEORGIA INSTITUTE OF TECHNOLOGY
    Inventors: Sabine Cantournet, Laurent Corte, Fabrice Detrez, David N. Ku, Mohammed Cherkaoui, Frances Baxter, Jason Bach
  • Patent number: 8895073
    Abstract: Implantable biomaterials, particularly hydrogel substrates with porous surfaces, and methods for enhancing the compatibility of biomaterials with living tissue, and for causing physical attachment between biomaterials and living tissues are provided. Also provided are implants suitable for load-bearing surfaces in hard tissue repair, replacement, or augmentation, and to methods of their use. One embodiment of the invention relates to an implantable spinal disc prosthesis.
    Type: Grant
    Filed: March 21, 2011
    Date of Patent: November 25, 2014
    Assignee: Georgia Tech Research Corporation
    Inventors: Barbara D. Boyan, Robert E. Guldberg, Stephen J. Kennedy, David N. Ku, Zvi Schwartz
  • Patent number: 8821409
    Abstract: A device for collecting material from lung aerosols. The device functions by collecting aerosols from the lower airway separated from material in the by collecting air from the upper airway in a chamber that when full causes the remaining exhaled aerosols from the lungs to be captured by a filter. The filter collects sample of material from the separated lung aerosols.
    Type: Grant
    Filed: December 21, 2009
    Date of Patent: September 2, 2014
    Assignees: The United States of America as Represented by the Secretary of the Department of Health and Human Services, Centers for Disease Control and Prevention, Georgia Tech Research Corporation
    Inventors: David N. Ku, Larry J. Anderson, Prem A. Midha, Harris L. Bergman, Tamera Scholz
  • Publication number: 20140039620
    Abstract: A based device for use as tissue repair includes a median part between two end parts. The median and end parts have a different tensile stiffness.
    Type: Application
    Filed: January 20, 2012
    Publication date: February 6, 2014
    Applicant: GEORGIA TECH RESEARCH CORPORATION -GEORGIA INSTITTUTE OF TECHNOLOGY
    Inventors: Sabine Cantournet, Laurent Corte, Fabrice Detrez, David N. Ku, Mohammed Cherkaoui, Frances Baxter, Jason Bach
  • Patent number: 8318192
    Abstract: Implantable biomaterials, particularly hydrogel substrates with porous surfaces, and methods for enhancing the compatibility of biomaterials with living tissue, and for causing physical attachment between biomaterials and living tissues are provided. Also provided are implants suitable for load-bearing surfaces in hard tissue repair, replacement, or augmentation, and to methods of their use. One embodiment of the invention relates to an implantable spinal disc prosthesis.
    Type: Grant
    Filed: November 18, 2008
    Date of Patent: November 27, 2012
    Assignee: Georgia Tech Research Corporation
    Inventors: Barbara D. Boyan, Robert E. Guldberg, Stephen J. Kennedy, David N. Ku
  • Publication number: 20120053676
    Abstract: In one embodiment, an implantable prosthetic valve includes a body that defines an inlet end and an inlet orifice, the body being constructed of a flexible biocompatible material, an outlet that extends from the body and that defines an outlet end and an outlet orifice, the outlet being constructed of a flexible biocompatible material, and an inner passage that extends through the body and the outlet from the inlet orifice to the outlet orifice to enable fluid to flow through the valve, wherein the outlet orifice is open when the valve is in its natural unloaded state and is closed when fluid pressure is applied to the outlet from a position downstream of the outlet.
    Type: Application
    Filed: May 7, 2010
    Publication date: March 1, 2012
    Inventors: David N. Ku, Prem Midha, Harris Bergman
  • Publication number: 20120010712
    Abstract: Methods of fabricating elastomeric implants employ a mold with PVA crystals and irrigant added to the mold independent of each other. Related molds are also described.
    Type: Application
    Filed: September 20, 2011
    Publication date: January 12, 2012
    Inventors: Guilhem Denoziere, David N. Ku
  • Publication number: 20120004571
    Abstract: A device for collecting material from lung aerosols. The device functions by collecting aerosols from the lower airway separated from material in the by collecting air from the upper airway in a chamber that when full causes the remaining exhaled aerosols from the lungs to be captured by a filter. The filter collects sample of material from the separated lung aerosols.
    Type: Application
    Filed: December 21, 2009
    Publication date: January 5, 2012
    Inventors: David N. Ku, Larry J. Anderson, Prem A. Midha, Harris L. Bergman, Tamera Scholz
  • Patent number: 8038920
    Abstract: Methods of fabricating elastomeric implants employ a mold with PVA crystals and irrigant added to the mold independent of each other. Related molds are also described.
    Type: Grant
    Filed: January 24, 2007
    Date of Patent: October 18, 2011
    Assignee: Carticept Medical, Inc.
    Inventors: Guilhem Denoziere, David N. Ku
  • Publication number: 20110172771
    Abstract: Implantable biomaterials, particularly hydrogel substrates with porous surfaces, and methods for enhancing the compatibility of biomaterials with living tissue, and for causing physical attachment between biomaterials and living tissues are provided. Also provided are implants suitable for load-bearing surfaces in hard tissue repair, replacement, or augmentation, and to methods of their use. One embodiment of the invention relates to an implantable spinal disc prosthesis.
    Type: Application
    Filed: March 21, 2011
    Publication date: July 14, 2011
    Applicant: GEORGIA TECH RESEARCH CORPORATION
    Inventors: Barbara D. Boyan, Robert E. Guldberg, Stephen J. Kennedy, David N. Ku, Zvi Schwartz
  • Patent number: 7910124
    Abstract: Implantable biomaterials, particularly hydrogel substrates with porous surfaces, and methods for enhancing the compatibility of biomaterials with living tissue, and for causing physical attachment between biomaterials and living tissues are provided. Also provided are implants suitable for load-bearing surfaces in hard tissue repair, replacement, or augmentation, and to methods of their use. One embodiment of the invention relates to an implantable spinal disc prosthesis.
    Type: Grant
    Filed: February 7, 2005
    Date of Patent: March 22, 2011
    Assignee: Georgia Tech Research Corporation
    Inventors: Barbara D. Boyan, Robert E. Guldberg, Stephen J. Kennedy, David N. Ku, Zvi Schwartz
  • Publication number: 20090263446
    Abstract: Implantable biomaterials, particularly hydrogel substrates with porous surfaces, and methods for enhancing the compatibility of biomaterials with living tissue, and for causing physical attachment between biomaterials and living tissues are provided. Also provided are implants suitable for load-bearing surfaces in hard tissue repair, replacement, or augmentation, and to methods of their use. One embodiment of the invention relates to an implantable spinal disc prosthesis.
    Type: Application
    Filed: November 18, 2008
    Publication date: October 22, 2009
    Applicant: Georgia Tech Research Corporation
    Inventors: Barbara D. Boyan, Robert E. Guldberg, Stephen J. Kennedy, David N. Ku
  • Publication number: 20080269879
    Abstract: The present disclosure generally relates to implantable, prosthetic vascular valves, methods of making the valves, and methods of using the valves, in particular, in the human venous system.
    Type: Application
    Filed: July 26, 2006
    Publication date: October 30, 2008
    Inventors: Rahul Dilip Sathe, David N. Ku
  • Publication number: 20040143329
    Abstract: The present invention comprises a poly (vinyl alcohol) hydrogel construct having a wide range of mechanical strengths for use as a human tissue replacement. The hydrogel construct may comprise a tissue scaffolding, a low bearing surface within a joint, or any other structure which is suitable for supporting the growth of tissue.
    Type: Application
    Filed: January 5, 2004
    Publication date: July 22, 2004
    Inventor: David N. Ku
  • Publication number: 20040143327
    Abstract: An implantable prosthesis comprised of a solid elastomer made from a synthetic organic polymer that is biocompatible, compliant, and has water content greater than 5%. The solid construction prevents leaks and ruptures that are prevalent in other implants. The implant has the look, fit and feel of human tissue from various parts of the body.
    Type: Application
    Filed: January 17, 2003
    Publication date: July 22, 2004
    Inventor: David N. Ku