Patents by Inventor Kenneth E. Chettleburgh

Kenneth E. Chettleburgh 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).

  • Oriented biopsy needle assembly
    Patent number: 5316013
    Abstract: The oriented biopsy needle assembly includes a cannula hub assembly having a cannula hub fixedly attached to the proximal end of a cannula and a barrel member integral with the proximal end of the cannula hub. The barrel member and cannula hub have longitudinally coaxial bore therethrough axially aligned with and extending to the cannula. A pair of inwardly flexible finger pinching arms formed integral with and extending lengthwise over the outer surface of the barrel member are aligned opposite to each other, and each arm has an inwardly extending detent positioned to be downwardly flexed into oppositely aligned corresponding cutout slots of the barrel member. The cannula hub assembly cooperates with a stylet hub at a proximal end, a shoulder portion at a distal end of the hub, and a distal stem portion extending distally from the shoulder portion and terminating at a distal end fixedly attached to the proximal end of a sampling stylet.
    Type: Grant
    Filed: August 26, 1991
    Date of Patent: May 31, 1994
    Assignee: Hart Enterprises, Inc.
    Inventors: Robert L. Striebel, II, Kenneth E. Chettleburgh, Alan N. Taylor
  • Needle head for a biopsy cannula
    Patent number: D333003
    Type: Grant
    Filed: July 31, 1990
    Date of Patent: February 2, 1993
    Assignee: DLP, Inc.
    Inventor: Kenneth E. Chettleburgh