Patents by Inventor Derrell James

Derrell James 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).

  • Trocar and cannula assembly having conical valve and related methods
    Patent number: 7842013
    Abstract: A trocar system for endoscopic surgery, cap assembly, and related methods are provided. The cap assembly includes a valve housing with an opening formed in line with an axis of the valve housing and also includes a valve positioned adjacent the opening of the valve housing. The valve body includes a proximal valve section including a valve ring positioned within the valve housing, and a distal valve section extending axially from the proximal valve section. The distal valve section includes a valve extension having a proximal and distal end portions, and a substantially conically shaped medial portion connected to and extending therebetween, wherein a plurality of friction-reduction features, preferably tear-drop shaped knobs, are disposed proximate the distal end portion and extending a distance in the medial portion of the valve.
    Type: Grant
    Filed: May 25, 2007
    Date of Patent: November 30, 2010
    Assignee: Genico, Inc.
    Inventors: Gary W. Haberland, Brent Van Camp, Michael Benner, Derrell James
  • Trocar and cannula assembly having conical valve and related methods
    Publication number: 20080033363
    Abstract: A trocar system for endoscopic surgery, cap assembly, and related methods are provided. The cap assembly includes a valve housing with an opening formed in line with an axis of the valve housing and also includes a valve positioned adjacent the opening of the valve housing. The valve body includes a proximal valve section including a valve ring positioned within the valve housing, and a distal valve section extending axially from the proximal valve section. The distal valve section includes a valve extension having a proximal and distal end portions, and a substantially conically shaped medial portion connected to and extending therebetween, wherein a plurality of friction-reduction features, preferably tear-drop shaped knobs, are disposed proximate the distal end portion and extending a distance in the medial portion of the valve.
    Type: Application
    Filed: May 25, 2007
    Publication date: February 7, 2008
    Inventors: Gary Haberland, Brent Van Camp, Michael Benner, Derrell James