Patents by Inventor Robert C. Stegmann

Robert C. Stegmann 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: 9492319
    Abstract: The invention refers to a tube configured as an implant for insertion at least at one location into the exposed Schlemm's canal of an eye and which, for example, has been mechanically dilated. The elongated tube insertable into the Schlemm's canal includes a plurality openings that are arranged at the tube in axial direction distanced from each other by ring parts and that are in communication with the trabecular tissue the interior space of the tube and the aqueous humor veins of the episcleral vein system and further includes openings oriented in axial direction at a circular arc shaped segment corresponding to the cross section profile of the tube. To realize the natural trabecular aqueous humor drainage, the tube are inserted into the Schlemm's canal that either the openings in the segment are in communication with the aqueous humor veins or that segment with the openings are associated with the trabecular tissue.
    Type: Grant
    Filed: August 13, 2013
    Date of Patent: November 15, 2016
    Assignee: GRIESHABER OPHTHALMIC RESEARCH FOUNDATION
    Inventors: Hans R. Grieshaber, Matthias C. Grieshaber, Robert C. Stegmann
  • Publication number: 20130331760
    Abstract: The invention refers to a tube configured as an implant for insertion at least at one location into the exposed Schlemm's canal of an eye and which, for example, has been mechanically dilated. The elongated tube insertable into the Schlemm's canal includes a plurality openings that are arranged at the tube in axial direction distanced from each other by ring parts and that are in communication with the trabecular tissue the interior space of the tube and the aqueous humor veins of the episcleral vein system and further includes openings oriented in axial direction at a circular arc shaped segment corresponding to the cross section profile of the tube. To realize the natural trabecular aqueous humor drainage, the tube are inserted into the Schlemm's canal that either the openings in the segment are in communication with the aqueous humor veins or that segment with the openings are associated with the trabecular tissue.
    Type: Application
    Filed: August 13, 2013
    Publication date: December 12, 2013
    Applicant: Grieshaber Ophthalmic Research Foundation
    Inventors: Hans R. Grieshaber, Matthias C. Grieshaber, Robert C. Stegmann