Patents by Inventor Alexander K. Smith

Alexander K. Smith 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).

  • Articulated arm for holding surgical instruments
    Patent number: 6632170
    Abstract: An articulated arm for holding surgical instruments, having elongated arm members; rotational joints connecting the arm members end to end, such that members are pivotable about the joints and at least one of the joints is selectively lockable by fluid pressure; and a plurality of tubes communicating fluid pressure between two adjacent joints. When two adjacent members are pivoted relative to one another, the tubes connecting a particular pair of joints remains substantially stationary with respect to the arm member connecting that pair of joints.
    Type: Grant
    Filed: November 27, 2000
    Date of Patent: October 14, 2003
    Assignee: Biomec Inc.
    Inventors: Bryan S. Bohanan, Daniel N. Kelsch, Alexander K. Smith