Patents by Inventor Douglas P. Knoll

Douglas P. Knoll 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).

  • Full Core Biopsy Device
    Publication number: 20240148369
    Abstract: A biopsy device includes coaxially disposed inner and outer needles in which the outer needle tip is configured for obtaining a tissue sample. The inner surface of the outer needle includes a tissue retention feature which includes a countersink having a predetermined length from the distal cutting edge of the outer needle.
    Type: Application
    Filed: December 12, 2023
    Publication date: May 9, 2024
    Inventors: Deborah R. Beck, Douglas P. Knoll
  • Full core biopsy device
    Patent number: 11839364
    Abstract: A biopsy device includes coaxially disposed inner and outer needles in which the outer needle tip is configured for obtaining a tissue sample. The inner surface of the outer needle includes a tissue retention feature which includes a countersink having a predetermined length from the distal cutting edge of the outer needle.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: December 12, 2023
    Inventors: Deborah R. Beck, Douglas P. Knoll
  • Full Core Biopsy Device
    Publication number: 20190117201
    Abstract: A biopsy device includes coaxially disposed inner and outer needles in which the outer needle tip is configured for obtaining a tissue sample. The inner surface of the outer needle includes a tissue retention feature which includes a countersink having a predetermined length from the distal cutting edge of the outer needle.
    Type: Application
    Filed: November 14, 2018
    Publication date: April 25, 2019
    Inventors: Deborah R. Beck, Douglas P. Knoll