Patents by Inventor Douglas Leroy MacKenzie

Douglas Leroy MacKenzie 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: 9788938
    Abstract: In accordance with various embodiments, an intraocular manipulator is disclosed which uses negative pressure to grasp and/or manipulate an intraocular object, for example, an IOL, a crystalline lens, or an intraocular foreign body. The device comprises a tip, a stem, and a suction source. The device may be a handheld device with the negative pressure controlled by a foot pedal. Similarly, the device may be used in conjunction with other intraocular devices.
    Type: Grant
    Filed: October 4, 2012
    Date of Patent: October 17, 2017
    Assignee: The Regents of the University of Colorado, a body corporate
    Inventors: Olson Jeffrey, Douglas Leroy MacKenzie
  • Publication number: 20140236163
    Abstract: In accordance with various embodiments, an intraocular manipulator is disclosed which uses negative pressure to grasp and/or manipulate an intraocular object, for example, an IOL, a crystalline lens, or an intraocular foreign body. The device comprises a tip, a stem, and a suction source. The device may be a handheld device with the negative pressure controlled by a foot pedal. Similarly, the device may be used in conjunction with other intraocular devices.
    Type: Application
    Filed: October 4, 2012
    Publication date: August 21, 2014
    Inventors: Jeffrey Olson, Douglas Leroy MacKenzie