Patents Examined by Sharon E Finkel
  • Modified cannula
    Patent number: 5997516
    Abstract: A surgical cannula includes a generally hollow inlet portion which can receive a fluid flow and an angled outlet portion connected in fluid communication with the inlet portion. The outlet portion is disposed at an angle of less than 180 degrees with respect to the longitudinal axis of the inlet portion. The inlet portion is provided with a structure to impart a rotational component of flow to fluid before such fluid encounters the angled outlet portion.
    Type: Grant
    Filed: June 13, 1997
    Date of Patent: December 7, 1999
    Assignee: Imperial College of Science, Technology & Medicine
    Inventors: Colin Caro, Denis Doorly