Patents by Inventor Randall Goldberg

Randall Goldberg 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).

  • LOW FRICTION CANNULA SEALS FOR MINIMALLY INVASIVE ROBOTIC SURGERY
    Publication number: 20160220272
    Abstract: Embodiments of a cannula seal are disclosed. In some embodiments, a cannula seal can include a base portion that engages with a cannula; and a seal portion integrally formed with the base portion that slidebly engages with an instrument shaft such that an insertion frictional force between the seal portion and the instrument shaft for insertion of the instrument shaft is symmetrical and substantially equal with a retraction frictional force.
    Type: Application
    Filed: February 29, 2016
    Publication date: August 4, 2016
    Inventors: Stephen J. Blumenkranz, Bruce Michael Schena, Randall Goldberg