Patents by Inventor Christopher J. Ernster

Christopher J. Ernster 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: 5401257
    Abstract: A ureteral stent of a small tubular size, e.g., 6 French, with an enlarged entry end of the stent tube, a dissolving tip of satisfactory strength and dimension that can be secured in the tube and a bore that can be incorporated in the tip enabling passage of an 0.038 inch guidewire having the desired stiffness characteristics. Stents according to the invention incorporate a tip of sufficiently large size that the tip can be reliably manufactured and secured to the stent body. The invention also includes medical devices with informational markings formed by application of laser radiation.
    Type: Grant
    Filed: April 27, 1993
    Date of Patent: March 28, 1995
    Assignee: Boston Scientific Corporation
    Inventors: Raymond P. Chevalier, Jr., Christopher J. Ernster