Patents by Inventor Ian O. Ellis

Ian O. Ellis 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).

  • Patent number: 5059197
    Abstract: A lesion location device suitable for marking a lesion in breast tissue comprises a wire, of which the first portion which has been bent to form a second portion at an obtuse or acute angle to the first portion, a 180.degree. bend and a third portion which extends adjacent the second portion and continues beyond the bend in a direction substantially opposed to that of the second portion. The bend is resiliently pivotable and forms a spring mechanism to prevent ingress of the wire once in position in the lesion. Two graduated cannulas are also provided, one with a pointed end and one with a blunt end, which are suitable for the wire to be passed into them.
    Type: Grant
    Filed: April 16, 1990
    Date of Patent: October 22, 1991
    Inventors: Robert G. Urie, Ian O. Ellis