Patents by Inventor Aleksandr Aleksandrovich Karavaev

Aleksandr Aleksandrovich Karavaev 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).

  • Intraocular lens for correcting moderate to severe hypermetropia
    Patent number: 5766245
    Abstract: The present intraocular lens includes a body portion and an optic portion. A thickness of the body portion is between 0.3 to 0.98% of a thickness of the intraocular lens itself which lens includes the body portion and the optic portion, and from 0.011 and 0.015% of a length of the body portion. The thickness of the intraocular lens itself, from 0.095 and 0.192% of the length of the body portion. The diameter of the optic portion is from 0.153 and 0.7% of the length of the body portion. The optic portion can have an anterior surface having a radius of curvature of from 0.29 and 0.967% of the radius of curvature of the posterior surface of said intraocular lens. The lens is implanted by insertion into the posterior chamber of the eye to a position anterior to the natural crystalline lens of the eye. The implanted lens is effective in correcting moderate to severe forms of hypermetropia.
    Type: Grant
    Filed: December 30, 1996
    Date of Patent: June 16, 1998
    Assignee: Staar Surgical, AG
    Inventors: Svyatoslav Nikolayevich Fedorov, Victor Konstantinovich Zuev, Albina Ivanovna Ivashina, Sergei Nikolayevich Bagrov, Aleksandr Aleksandrovich Karavaev, Niaz Fuadovich Saifullin