Impedance controlled tissue ablation apparatus and method

Details for Australian Patent Application No. 2002327779 (hide)

Owner Rita Medical Systems, Inc.

Inventors Johnson, Theodore C; Balbierz, Daniel J; Yassinzadeh, Zia; Pearson, Robert M; Daniel, Steven A

Agent FB Rice

Pub. Number AU-B-2002327779

PCT Number PCT/US02/31006

PCT Pub. Number WO2003/026525

Priority 60/326,043 28.09.01 US

Filing date 28 September 2002

Wipo publication date 7 April 2003

Acceptance publication date 26 June 2008

International Classifications

A61B 5/05 (2006.01) Measuring for diagnostic purposes - Measuring for diagnosis by means of electric currents or magnetic fields

A61B 18/04 (2006.01) Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body - by heating

A61B 18/12 (2006.01) Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body - by passing a current through the tissue to be heated, e.g. high-frequency current

A61B 18/14 (2006.01) Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body - Probes or electrodes therefor

Event Publications

23 January 2003 Complete Application Filed

  Priority application(s): 60/326,043 28.09.01 US

26 June 2003 Application Open to Public Inspection

  Published as AU-B-2002327779

26 June 2008 Application Accepted

  Published as AU-B-2002327779

23 October 2008 Standard Patent Sealed

20 November 2008 Assignment Registered

  Rita Medical Systems, Inc. The patent has been assigned to Angiodynamics, Inc.

26 April 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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