Patents by Inventor Joan Bei

Joan Bei 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).

  • INTRAVASCULAR STENT HAVING HIGH FATIGUE PERFORMANCE
    Publication number: 20180369001
    Abstract: This invention is directed to an expandable stent for implantation in a body lumen, such as an artery, and a method for making it from a single length of tubing. The stent consists of a plurality of radially expandable cylindrical elements generally aligned on a common axis and interconnected by one or more links. A Y-shaped member is comprised of a U-shaped member and a link having a curved portion and a straight portion to improve the flexibility and thereby improve the fatigue performance of the Y-link junction.
    Type: Application
    Filed: June 27, 2017
    Publication date: December 27, 2018
    Applicant: Abbott Cardiovascular Systems Inc.
    Inventors: Diem Uyen Ta, Senthil K. Eswaran, Joan Bei
  • SCAFFOLDS HAVING RADIOPAQUE MARKERS
    Publication number: 20180280165
    Abstract: A scaffold includes a radiopaque marker connected to a strut. The marker is retained within the strut by one or more of a mechanical interference fit, a polymer coating or melt, and/or by friction. The marker can take the form of a bead, rivet or snap-in marker, or a tube deformed when attached to the strut. The strut is made from a tube. The strut has a thickness of about 100 microns.
    Type: Application
    Filed: June 5, 2018
    Publication date: October 4, 2018
    Inventors: Stephen Pacetti, Joan Bei, Karen Wang, Annie Liu
  • Scaffolds having radiopaque markers
    Patent number: 9999527
    Abstract: A scaffold includes a radiopaque marker connected to a strut. The marker is retained within the strut by one or more of a mechanical interference fit, a polymer coating or melt, and/or by friction. The marker can take the form of a bead, rivet or snap-in marker, or a tube deformed when attached to the strut. The strut is made from a tube. The strut has a thickness of about 100 microns.
    Type: Grant
    Filed: February 11, 2015
    Date of Patent: June 19, 2018
    Assignee: ABBOTT CARDIOVASCULAR SYSTEMS INC.
    Inventors: Stephen Pacetti, Joan Bei, Karen Wang, Annie Liu
  • SCAFFOLDS HAVING RADIOPAQUE MARKERS
    Publication number: 20160228267
    Abstract: A scaffold includes a radiopaque marker connected to a strut. The marker is retained within the strut by one or more of a mechanical interference fit, a polymer coating or melt, and/or by friction. The marker can take the form of a bead, rivet or snap-in marker, or a tube deformed when attached to the strut. The strut is made from a tube. The strut has a thickness of about 100 microns.
    Type: Application
    Filed: February 11, 2015
    Publication date: August 11, 2016
    Inventors: Stephen Pacetti, Joan Bei, Karen Wang, Annie Liu