Patents by Inventor Derek Sean Lewis

Derek Sean Lewis 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).

  • Publication number: 20040127908
    Abstract: A clamp assembly according to the invention can be fixed through an opening between adjacent members. The clamp assembly includes a base, a cap opposing the base, and a post connecting the cap and the base in a fastening position on the adjacent members. The post includes a torque-limiting feature to prevent over tightening of the cap and base. The clamp assembly may further include an applier interacting with the post to position the cap and base in the fastening position. A method according to the invention includes placing the base and cap on opposing internal and external surfaces of the adjacent members. The post is rotated to bring the base and cap to the fastening position, and a torque-limiting feature prevents over tightening. The method may further include removing a distal portion of the post projecting from the cap and leaving a proximal portion of the post projecting from the cap and which can be deformed to secure the base and cap in the fastening position.
    Type: Application
    Filed: December 12, 2003
    Publication date: July 1, 2004
    Inventors: Shawn David Roman, Richard Champion Davis, Jeffrey Allen Duncan, Derek Sean Lewis, Kevin T. Stone
  • Patent number: 6685707
    Abstract: A clamp assembly for repairing a bone defect according to the invention includes a base, a cap opposing the base, and a post connecting the cap and the base in a fastening position on adjacent bone plate and surrounding cranium. The clamp assembly may further include an applier interacting with the post to position the cap and base in the fastening position. A method according to the invention includes placing the base and cap on opposing internal and external surfaces of the bone plate, with a portion of each of the base and cap overlapping a border of junction between the bone plate and surrounding bone. The post is rotated to bring the base and cap to the fastening position. The method may further include removing a distal portion of the post projecting from the cap and leaving a proximal portion of the post projecting from the cap and which can be deformed to secure the base and cap in the fastening position.
    Type: Grant
    Filed: September 25, 2002
    Date of Patent: February 3, 2004
    Assignee: Walter Lorenz Surgical, Inc.
    Inventors: Shawn David Roman, Richard Champion Davis, III, Jeffrey Allen Duncan, Derek Sean Lewis, Kevin T. Stone