Patents by Inventor DAVID T. EFRON

DAVID T. EFRON 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).

  • Inferior vena cava (IVC) shunt, double-balloon catheter for occlusion as a surgical tool
    Patent number: 10045785
    Abstract: A double-balloon inferior vena cava (IVC) shunt for use in controlling blood loss and simultaneously maintaining venous return is disclosed. The IVC shunt comprises a first balloon-catheter unit and second balloon-catheter unit that are slidably coupled to one another to form an adjustable shunt. The first and second balloons in the shunt are independently inflatable. The double-balloon shunt is readily adjustable to fit the dimensions of the injured region.
    Type: Grant
    Filed: May 6, 2014
    Date of Patent: August 14, 2018
    Assignee: THE JOHNS HOPKINS UNIVERSITY
    Inventors: Wes Bernier, Calvin Chang, James H. Black, David T. Efron
  • INFERIOR VENA CAVA (IVC) SHUNT, DOUBLE-BALLOON CATHETER FOR OCCLUSION AS A SURGICAL TOOL
    Publication number: 20160081692
    Abstract: A double-balloon inferior vena cava (NC) shunt for use in controlling blood loss and simultaneously maintaining venous return is disclosed. The NC shunt comprises a first balloon-catheter unit and second balloon-catheter unit that are slidably coupled to one another to form an adjustable shunt. The first and second balloons in the shunt are independently inflatable. The double-balloon shunt is readily adjustable to fit the dimensions of the injured region.
    Type: Application
    Filed: May 6, 2014
    Publication date: March 24, 2016
    Applicant: THE JOHNS HOPKINS UNIVERSITY
    Inventors: WES BERNIER, CALVIN CHANG, JAMES H. BLACK, DAVID T. EFRON