Patents by Inventor Andrew Surman

Andrew Surman 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: 20230346450
    Abstract: Disclosed herein are cryoablation devices and methods of using the same, including to ablate gallbladders. In certain implementations, the device is a catheter that has an expandable cryogen balloon for expansion within a gallbladder and at least one suction opening for applying suction within the gallbladder. According to other implementations, the device has a cryogen probe and a suction catheter slidably positioned on the probe.
    Type: Application
    Filed: July 12, 2023
    Publication date: November 2, 2023
    Inventors: Hugh McGregor, Miles Conrad, Mark Wilson, Andrew Surman
  • Patent number: 11737805
    Abstract: Disclosed herein are cryoablation devices and methods of using the same, including to ablate gallbladders. In certain implementations, the device is a catheter that has an expandable cryogen balloon for expansion within a gallbladder and at least one suction opening for applying suction within the gallbladder. According to other implementations, the device has a cryogen probe and a suction catheter slidably positioned on the probe.
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: August 29, 2023
    Assignee: The Regents of the University of California
    Inventors: Hugh McGregor, Miles Conrad, Mark Wilson, Andrew Surman
  • Publication number: 20200275968
    Abstract: Disclosed herein are cryoablation devices and methods of using the same, including to ablate gallbladders. In certain implementations, the device is a catheter that has an expandable cryogen balloon for expansion within a gallbladder and at least one suction opening for applying suction within the gallbladder. According to other implementations, the device has a cryogen probe and a suction catheter slidably positioned on the probe.
    Type: Application
    Filed: September 14, 2018
    Publication date: September 3, 2020
    Inventors: Hugh McGregor, Miles Conrad, Mark Wilson, Andrew Surman
  • Publication number: 20150240272
    Abstract: A process for producing a compound of formula (I) is provided. The process comprises reacting a mixture comprising a compound of formula (IIA) and a compound of formula (IIB) with an alkyl alcohol in the presence of a Candida antarctica lipase B enzyme to produce a product comprising the compound of formula (I) and the compound of formula (IIB); wherein R1 is C1 to C6 alkyl; and wherein R2 is II or C1 to C12 alkyl. Also provided are processes for the production of R-lactic acid, oligomeric R-lactic acid, R,R-lactide, poly-R-lactic acid, alkyl S-lactate, S-lactic acid, oligomeric S-lactic acid, S,S-lactide, poly S-lactic acid and stereocomplex polylactic acid.
    Type: Application
    Filed: September 19, 2013
    Publication date: August 27, 2015
    Inventors: Stephen Alexander Calder Smith, James Andrew Surman