Patents by Inventor Christopher Francis Perry

Christopher Francis Perry 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).

  • Ventilation tube for a middle ear
    Patent number: 7097661
    Abstract: A ventilation tube has a tubular member with generally circular flanges at opposite ends. Each flange has a respective tab that is angled obliquely to the axis of the tubular member. The tabs are diametrically opposite, and angled in opposite senses. Each tab has straight non-cutting edges tangential to its associated flange, and an arcuate nose portion. Each flange (may be used either for grasping the ventilation tube, or for insertion into an incision in a tympanic membrane, thereby permitting the ventilation tube to be used reversibly.
    Type: Grant
    Filed: August 3, 2001
    Date of Patent: August 29, 2006
    Assignee: Perry Microtube Pty Ltd
    Inventor: Christopher Francis Perry
  • Ventilation tube for a middle ear
    Publication number: 20030187456
    Abstract: A ventilation tube (10) has a tubular member (11) with generally circular flanges (13, 14) at opposite ends. Each flange has a respective tab (15, 16) which is angled obliquely to the axis of the tubular member (11). The tabs (15, 16) are diametrically opposite, and angled in opposite senses. Each tab (15, 16) has straight non-cutting edges (16B, 16C) tangential to its associated flange, and an arcuate nose portion (16A). Each flange (15, 16) may be used either for grasping the ventilation tube, or for insertion into an incision in a tympanic membrane, thereby permitting the ventilation tube to be used reversibly.
    Type: Application
    Filed: June 12, 2002
    Publication date: October 2, 2003
    Inventor: Christopher Francis Perry