Patents by Inventor James D. Schumer

James D. Schumer 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: 6565585
    Abstract: A corneal surgical apparatus includes: a suction ring to be fixed to a patient's eye, the suction ring having an opening; a suction unit which absorbs air in a space defined between the patient's eye and the suction ring, and which variably sets a suction pressure; a setting unit which sets a desired ocular pressure for the patient eye during surgery, the desired ocular pressure having a predetermined tolerable range; an input unit which inputs a measured ocular pressure of the patient's eye; a controller which controls operation of the suction unit based on the inputted ocular pressure to obtain the set ocular pressure, and which is connected to the suction unit, the setting unit and the input unit.
    Type: Grant
    Filed: June 22, 2001
    Date of Patent: May 20, 2003
    Assignee: Nidek Co., Ltd.
    Inventors: James D. Schumer, Minoru Toh
  • Publication number: 20020198553
    Abstract: A corneal surgical apparatus includes: a suction ring to be fixed to a patient s eye, the suction ring having an opening; a suction unit which absorbs air in a space defined between the patient's eye and the suction ring, and which variably sets a suction pressure; a setting unit which sets a desired ocular pressure for the patient eye during surgery, the desired ocular pressure having a predetermined tolerable range; an input unit which inputs a measured ocular pressure of the patient's eye; a controller which controls operation of the suction unit based on the inputted ocular pressure to obtain the set ocular pressure, and which is connected to the suction unit, the setting unit and the input unit.
    Type: Application
    Filed: June 22, 2001
    Publication date: December 26, 2002
    Applicant: Nidek Co., Ltd.
    Inventors: James D. Schumer, Minoru Toh