The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 20, 2003
Filed:
Jun. 22, 2001
James D. Schumer, Mansfield, OH (US);
Minoru Toh, Aichi, JP;
Nidek Co., Ltd., Aichi, JP;
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.