Patents Assigned to Vitrophage, Inc.
  • Intraocular perfluorcarbon compositions and surgical methods of using same
    Patent number: 5928663
    Abstract: Mixtures of perfluorocarbon liquids having an index of refraction different than water enable their visualization for use in intraocular surgery. These mixtures are used in the surgical repair retinal tears or detachments. Mixtures of perfluoroperhydrophenanthrene and perflurooctane or perfluorooctyl bromide are preferably used.
    Type: Grant
    Filed: July 30, 1997
    Date of Patent: July 27, 1999
    Assignee: Vitrophage, Inc.
    Inventor: Gholam A. Peyman
  • Diagnostic system and method using an implanted reflective device
    Patent number: 5560356
    Abstract: A device and method for testing an animal for the existence of a biomedical disorder or condition, such as the presence or concentration of particular compositions or hyperglycemia/hypoglycemia, is disclosed comprising a radiant energy source [12] a reflective device [14] implanted within the body [16] of an animal test subject, and a receiver system [18] to receive the beam of reflected radiant energy for use in determining the existence of the biomedical disorder or condition.
    Type: Grant
    Filed: December 9, 1994
    Date of Patent: October 1, 1996
    Assignee: Vitrophage, Inc.
    Inventor: Gholam A. Peyman
  • Method of radial keratotomy employing a vibrating cutting blade
    Patent number: 5405355
    Abstract: Radial keratotomies can be performed by incising centrifugally. A vibrating diamond front cutting blade with a reverse cutting edge incises centrifugally to form a squared-off incision at the optical zone. The incision can be retraced if an enhancement is necessary with the vibrating blade without tearing the collagen or resulting in blade setting variability or variability due to corneal compression.
    Type: Grant
    Filed: September 10, 1993
    Date of Patent: April 11, 1995
    Assignee: Vitrophage, Inc.
    Inventors: Gholam A. Peyman, Stephen A. Updegraff
  • Apparatus and method for mechanically dilating the pupil of an eye
    Patent number: 5374272
    Abstract: A pupillary dilation and protection device is disclosed comprising an elastomeric ring made from biocompatible material having a groove formed therein for receiving and protecting the pupillary rim and iris, whereby, when the ring is inserted into the pupil of an eye of a patient, it mechanically dilates the pupil.
    Type: Grant
    Filed: June 29, 1993
    Date of Patent: December 20, 1994
    Assignee: Vitrophage, Inc.
    Inventors: Paolo Arpa, Gholam A. Peyman, Stephen A. Updegraff