Patents by Inventor Luis Saenz Arroyo

Luis Saenz Arroyo 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).

  • Ventricular by-pass valve for draining the cephalorachidian liquid in the hydrocephalus
    Patent number: 4787887
    Abstract: The invention is a ventricular by-pass device for draining the cephalorachidian liquid in the hydrocephalus. It consists of a check valve device which obstructs the brain suction orifice.
    Type: Grant
    Filed: June 2, 1987
    Date of Patent: November 29, 1988
    Assignee: Biomedica Mexicana, S.A.
    Inventor: Luis Saenz Arroyo