Patents by Inventor Rajesh Dwarakanath

Rajesh Dwarakanath 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: 8262569
    Abstract: A surgical access system includes retractor for creating an access path between an incision site and a surgical site. The retractor includes a frame having a base member and a pair of generally curved rails extending therefrom. A tubular member is coupled to the frame and includes first and second blade portions that are capable of relative movement with respect to each other by movement on the curved rails. A method of inserting the retractor into a patient includes inserting a guide rod over a guide wire, locating an obturator in the retractor, inserting the obturator and retractor over the guide rod, and removing both the guide rod and obturator to leave the retractor in the body to provide the access path.
    Type: Grant
    Filed: January 3, 2007
    Date of Patent: September 11, 2012
    Assignee: Zimmer Spine, Inc.
    Inventors: Hugh D. Hestad, Rajesh Dwarakanath, Daniel Robbins
  • Patent number: 7892174
    Abstract: A surgical access system includes retractor for creating an access path between an incision site and a surgical site. The retractor includes a frame having a base member and a pair of generally curved rails extending therefrom. A tubular member is coupled to the frame and includes first and second blade portions that are capable of relative movement with respect to each other by movement on the curved rails. A method of inserting the retractor into a patient includes inserting a guide rod over a guide wire, locating an obturator in the retractor, inserting the obturator and retractor over the guide rod, and removing both the guide rod and obturator to leave the retractor in the body to provide the access path.
    Type: Grant
    Filed: January 17, 2007
    Date of Patent: February 22, 2011
    Assignee: Zimmer Spine, Inc.
    Inventors: Hugh D. Hestad, Rajesh Dwarakanath, Daniel Robbins, Deborah Lynn Hoch
  • Publication number: 20080161650
    Abstract: A surgical access system includes retractor for creating an access path between an incision site and a surgical site. The retractor includes a frame having a base member and a pair of generally curved rails extending therefrom. A tubular member is coupled to the frame and includes first and second blade portions that are capable of relative movement with respect to each other by movement on the curved rails. A method of inserting the retractor into a patient includes inserting a guide rod over a guide wire, locating an obturator in the retractor, inserting the obturator and retractor over the guide rod, and removing both the guide rod and obturator to leave the retractor in the body to provide the access path.
    Type: Application
    Filed: January 3, 2007
    Publication date: July 3, 2008
    Applicant: ZIMMER SPINE, INC.
    Inventors: Hugh D. Hestad, Rajesh Dwarakanath, Daniel Robbins
  • Publication number: 20080021284
    Abstract: A surgical access system includes retractor for creating an access path between an incision site and a surgical site. The retractor includes a frame having a base member and a pair of generally curved rails extending therefrom. A tubular member is coupled to the frame and includes first and second blade portions that are capable of relative movement with respect to each other by movement on the curved rails. A method of inserting the retractor into a patient includes inserting a guide rod over a guide wire, locating an obturator in the retractor, inserting the obturator and retractor over the guide rod, and removing both the guide rod and obturator to leave the retractor in the body to provide the access path.
    Type: Application
    Filed: January 17, 2007
    Publication date: January 24, 2008
    Applicant: ZIMMER SPINE, INC.
    Inventors: Hugh D. Hestad, Rajesh Dwarakanath, Daniel Robbins, Deborah Lynn Hoch