Patents by Inventor Evan Hunter

Evan Hunter 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: 20260256485
    Abstract: Systems, apparatuses and methods for percutaneous removal of gallstones and gallstone fragments for the treatment of cholelithiasis are disclosed. A representative system includes an access sheath; an aspiration device removably coupleable to the access sheath; and a catheter removably insertable into the access sheath. A representative system may also include a crushing or fracturing control apparatus and/or a crushing or fracturing instrument. A representative access sheath includes a tubular shaft and a proximal hub having one or more valves. A representative aspiration device includes a syringe tube body; an extended distal tip, which may also have a valve; and a plunger moveable within an interior lumen of the syringe tube body. A representative catheter includes an outer catheter tube; an inner catheter manipulation shaft moveable within a lumen of the outer catheter tube; and a basket or cage having a plurality of longitudinal struts.
    Type: Application
    Filed: June 29, 2023
    Publication date: September 3, 2026
    Inventors: Benjamin E. Merritt, Mikayla Ann Barkley, John Coleman Thress, Jared Shimizu, Rachel Wong, Thomas Brodt, Brian Merritt, Philippe Marchand, Heidi Lynne Silk, Venkat P. Tummala, Behraam Hussain Baqai, Evan Hunter, Catherine S. Lee, Brandon James Conrad