Patents by Inventor Cristopher E. Thayer

Cristopher E. Thayer 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).

  • Screw-type skin seal with inflatable membrane
    Patent number: 5634911
    Abstract: A skin seal or trocar stabilizer with an inflatable membrane disposed inside, whereby medical instruments may be passed through the skin seal into a endoscopic work space while the inflatable membrane is inflated, thereby allowing the use of normal short conventional open surgery instruments during endoscopic procedures and during insufflation.
    Type: Grant
    Filed: May 19, 1995
    Date of Patent: June 3, 1997
    Assignee: General Surgical Innovations, Inc.
    Inventors: George D. Hermann, Cristopher E. Thayer