Patents by Inventor Newt H. Metcalf, JR.

Newt H. Metcalf, JR. 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).

  • Bone anchor with predetermined break point and removal features
    Patent number: 8523914
    Abstract: A bone anchor including a bone engaging portion, a tool engaging portion configured for engagement with an anchor removal tool, a head portion having a transverse base portion and two arm portions that together define a U-shaped channel, and a reduced strength portion extending between the tool engaging portion and the head portion and defining a region of reduced strength to provide a pre-defined fracture initiator or break zone. In another embodiment, the bone anchor includes a proximal head and a threaded shank having a plurality of thread turns adapted for anchoring to bone and extending along a threaded length that is at least twice the overall height of the proximal head, and a plurality of grooves circumferentially interrupting at least one of the thread turns along a proximal region of the threaded shank and sized and shaped for engagement with an anchor removal instrument.
    Type: Grant
    Filed: January 28, 2010
    Date of Patent: September 3, 2013
    Assignee: Warsaw Orthopedic, Inc.
    Inventors: Kevin T Foley, Thomas A Carls, Newt H Metcalf, Jr.
  • BONE ANCHOR WITH PREDETERMINED BREAK POINT AND REMOVAL FEATURES
    Publication number: 20110184471
    Abstract: A bone anchor including a bone engaging portion, a tool engaging portion configured for engagement with an anchor removal tool, a head portion having a transverse base portion and two arm portions that together define a U-shaped channel, and a reduced strength portion extending between the tool engaging portion and the head portion and defining a region of reduced strength to provide a pre-defined fracture initiator or break zone. In another embodiment, the bone anchor includes a proximal head and a threaded shank having a plurality of thread turns adapted for anchoring to bone and extending along a threaded length that is at least twice the overall height of the proximal head, and a plurality of grooves circumferentially interrupting at least one of the thread turns along a proximal region of the threaded shank and sized and shaped for engagement with an anchor removal instrument.
    Type: Application
    Filed: January 28, 2010
    Publication date: July 28, 2011
    Applicant: WARSAW ORTHOPEDIC, INC.
    Inventors: Kevin T. Foley, Thomas A. Carls, Newt H. Metcalf, JR.