Patents by Inventor Desmond P. O'Connell

Desmond P. O'Connell 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).

  • Pressure sensing cannula
    Patent number: 6295877
    Abstract: A cannula is provided with one or more pressure transducers for measuring fluid pressure interiorly or exteriorly of the cannula. The pressure transducers may be mounted integrally with the tubular wall defining the main lumen of the cannula, or they may comprise differential pressure transducers mounted in dedicated lumens in communication with the main lumen. The pressure measurements from the transducers is used to determine fluid flow rate.
    Type: Grant
    Filed: March 30, 1999
    Date of Patent: October 2, 2001
    Assignee: A-Med Systems, Inc.
    Inventors: Walid N. Aboul-Hosn, William R. Kanz, Kelly J. McCrystle, Desmond P. O'Connell