Patents by Inventor Richard Keith Poppe

Richard Keith Poppe 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).

  • Endoscopic bipolar biopsy forceps
    Patent number: 5743906
    Abstract: A bipolar biopsy device comprising two biopsy tissue collecting receptacles wherein at least one biopsy tissue collecting receptacle is pivotable in relation to the other and wherein each biopsy tissue collecting receptacle supports an electrode portion thereon to which current can flow and a cutting edge that is electrically insulated from the electrode portion. The electrode portion coagulates the tissue surrounding the cutting portion. The cut tissue sample is retained within the receptacles so that it maybe removed for biopsy purposes. Preferably, each biopsy receptacle is individually pivotable in relation to the other and the device is dimensioned to have utility in endoscopic or similar procedures.
    Type: Grant
    Filed: September 12, 1996
    Date of Patent: April 28, 1998
    Assignee: Everest Medical Corporation
    Inventors: David J. Parins, Richard Keith Poppe