Patents by Inventor Dimas Joel Rullan

Dimas Joel Rullan 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).

  • Phacoemulsification cannula with improved purchase
    Patent number: 8333741
    Abstract: A phacoemulsification cannula 10 includes a hub 12 for engagement with an ophthalmic surgical instrument. An elongated needle 14 having a proximal end 16 is attached to the hub 12. The cannula 10 has an aspiration lumen 20 spanning a majority of a length of a needle 14 from the proximal end towards a distal end 18. A venturi lumen 22 is formed in the needle adjacent the distal end. The venturi lumen 22 is in communication with the aspiration lumen 20 so that fluid and tissue may be aspirated through the venturi lumen 22 and the aspiration lumen 20.
    Type: Grant
    Filed: November 10, 2006
    Date of Patent: December 18, 2012
    Assignee: Bausch & Lomb Incorporated
    Inventors: Mario P. Gomez, Iidefonso Gonzalez, Dimas Joel Rullan
  • Rigid sleeve phacoemulsification needle
    Publication number: 20080154218
    Abstract: A phacoemulsification needle 10 includes an elongated lumen 12, a hub 14, and a rigid sleeve 16 concentrically formed around at least a majority of the lumen 12. The sleeve 16 is attached to the hub 14. An irrigation fluid path 24 is formed between the sleeve 16 and lumen 12 and a portion of the path 24 is also formed in the hub 14 for carrying irrigation fluid from a source through the path 24 to a patient's eye during surgery.
    Type: Application
    Filed: December 21, 2006
    Publication date: June 26, 2008
    Inventors: Mario P. Gomez, Ildefonso Gonzalez, Dimas Joel Rullan
  • Phacoemulsification cannual with improved purchase
    Publication number: 20080114313
    Abstract: A phacoemulsification cannula 10 includes a hub 12 for engagement with an ophthalmic surgical instrument. An elongated needle 14 having a proximal end 16 is attached to the hub 12. The cannula 10 has an aspiration lumen 20 spanning a majority of a length of a needle 14 from the proximal end towards a distal end 18. A venturi lumen 22 is formed in the needle adjacent the distal end. The venturi lumen 22 is in communication with the aspiration lumen 20 so that fluid and tissue may be aspirated through the venturi lumen 22 and the aspiration lumen 20.
    Type: Application
    Filed: November 10, 2006
    Publication date: May 15, 2008
    Inventors: Mario P. Gomez, Ildefonso Gonzalez, Dimas Joel Rullan