Patents by Inventor Patrick J. M. LePivert

Patrick J. M. LePivert 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).

  • Dual action cryoprobe and methods of using the same
    Patent number: 6551309
    Abstract: Cryosurgery is performed with cryosurgical probe tips either contacting the tissue or by tips which deliver refrigerant onto the tissue. A dual action probe tip can be used to perform either operation separately or may be used for application of both methods. Various method steps define the procedures for use of the probe tips.
    Type: Grant
    Filed: September 14, 2000
    Date of Patent: April 22, 2003
    Assignee: Cryoflex, Inc.
    Inventor: Patrick J. M. LePivert
  • Method and apparatus for monitoring cryosurgical operations
    Patent number: 6235018
    Abstract: A method and system for monitoring the progress of an ice ball produced by a cryoprobe during a surgical procedure measures the complex impedance of the ice ball. An electrical model of the zones in the ice ball is employed to calculate the size of the zones using the complex impedance measurements. The ice ball zones are displayed to assist the surgeon in controlling the cryoprocedure.
    Type: Grant
    Filed: October 29, 1999
    Date of Patent: May 22, 2001
    Assignee: Cryoflex, Inc.
    Inventor: Patrick J. M. LePivert