Patents by Inventor Roger SUR

Roger SUR 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).

  • Patent number: 12751688
    Abstract: An assembly for facilitating ultrasonic visualization of positioning of a needle inserted into tissue includes a needle that is inserted into a sheath to define a transport channel between an outer surface of the needle and an inner surface of the sheath for transport of a fluid that is introduced into the sheath. The transport channel includes features that induce formation of ultrasonically visible features from the fluid. These features exit from the end of the sheath where they can be detected via ultrasonic imaging.
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: October 6, 2026
    Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Paul Zupkas, Roger Sur
  • Publication number: 20230309951
    Abstract: An assembly for facilitating ultrasonic visualization of positioning of a needle inserted into tissue includes a needle that is inserted into a sheath to define a transport channel between an outer surface of the needle and an inner surface of the sheath for transport of a fluid that is introduced into the sheath. The transport channel includes features that induce formation of ultrasonically visible features from the fluid. These features exit from the end of the sheath where they can be detected via ultrasonic imaging.
    Type: Application
    Filed: September 7, 2021
    Publication date: October 5, 2023
    Inventors: Paul ZUPKAS, Roger SUR