Patents by Inventor Ansaar T. Rai

Ansaar T. Rai 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).

  • Systems and methods for vascular access
    Patent number: 11389194
    Abstract: A system for accessing arterial vasculature from a venous insertion site includes a first elongate tubular member, a second elongate tubular member configured to be disposed within a lumen of the first elongate tubular member, an elongate crossing member including a distal tip comprising a frusto-conical outer surface, and configured to be disposed within a first lumen of the second elongate tubular member, and a stylet configured to be disposed within a lumen of the elongate crossing member, wherein placement of the second elongate tubular member, elongate crossing member, and stylet together through the lumen of the first elongate tubular member does not substantially straighten a curved distal portion of the first elongate tubular member, and wherein the elongate crossing member and stylet are removable from the first lumen of the second elongate tubular member when it is within the lumen of the first elongate tubular member with at least its distal end extending out of the first elongate tubular member.
    Type: Grant
    Filed: October 7, 2019
    Date of Patent: July 19, 2022
    Assignee: SlipStream, LLC
    Inventors: Ansaar T. Rai, Lakshmikumar Pillai
  • SYSTEMS AND METHODS FOR VASCULAR ACCESS
    Publication number: 20200038057
    Abstract: A system for accessing arterial vasculature from a venous insertion site includes a first elongate tubular member, a second elongate tubular member configured to be disposed within a lumen of the first elongate tubular member, an elongate crossing member including a distal tip comprising a frusto-conical outer surface, and configured to be disposed within a first lumen of the second elongate tubular member, and a stylet configured to be disposed within a lumen of the elongate crossing member, wherein placement of the second elongate tubular member, elongate crossing member, and stylet together through the lumen of the first elongate tubular member does not substantially straighten a curved distal portion of the first elongate tubular member, and wherein the elongate crossing member and stylet are removable from the first lumen of the second elongate tubular member when it is within the lumen of the first elongate tubular member with at least its distal end extending out of the first elongate tubular member.
    Type: Application
    Filed: October 7, 2019
    Publication date: February 6, 2020
    Inventors: Ansaar T. Rai, Lakshmikumar Pillai
  • Systems and methods for vascular access
    Patent number: 10470797
    Abstract: A system for accessing arterial vasculature from a venous insertion site includes a first elongate tubular member, a second elongate tubular member configured to be disposed within a lumen of the first elongate tubular member, an elongate crossing member including a distal tip comprising a frusto-conical outer surface, and configured to be disposed within a first lumen of the second elongate tubular member, and a stylet configured to be disposed within a lumen of the elongate crossing member, wherein placement of the second elongate tubular member, elongate crossing member, and stylet together through the lumen of the first elongate tubular member does not substantially straighten a curved distal portion of the first elongate tubular member, and wherein the elongate crossing member and stylet are removable from the first lumen of the second elongate tubular member when it is within the lumen of the first elongate tubular member with at least its distal end extending out of the first elongate tubular member.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: November 12, 2019
    Assignee: SlipStream, LLC
    Inventors: Ansaar T. Rai, Lakshmikumar Pillai