Apparatus and methods are provided for determining in near realtime the position of a probe
placed within a living body. Electric currents are driven between one or more electrodes on …

4,023,565 A 5/1977 Ohlsson................. 128/2.06 B or more of the electrodes may be re-
positioned until an 4,082,086 A 4/1978 Page et al......... 128/2.06 E electrode pair position …

A6 IB5/042(2006.01)(57) ABSTRACT A6 IB5/04(2006.01) Devices, systems, and methods
for performing a mapping A6 IB5/046(2006.01) procedure on body tissue are disclosed. An …

There is provided, according to an embodiment of the present invention, a method,
including: positioning body-electrodes in galvanic contact with a body of a patient; …

A non-contact cardiac mapping method is disclosed that includes:(i) inserting a catheter into
a heart cavity having an endocardium surface, the catheter including multiple, spa tially …

Catheter 1 (MEA) cather 3 Catheter 2 includes:(i) causing current to flow between each of
three or more sets of current-injecting electrodes on a first catheter inserted into an organ in …

Methods and systems for determining anatomical information based on signals measured by
multiple, spatially distributed electrodes on a catheter are disclosed herein. In some …

A method including: measuring signals at one or more catheter electrodes in response to
electrical activity in a heart cavity and collecting additional data signals; defining a template …

A non-contact cardiac mapping method is disclosed that includes:(i) inserting a catheter into
a heart cavity having an endocardium surface, the catheter including multiple, spatially …

Methods and systems for the determination and representation of anatomical information are
disclosed herein. In some examples, methods described herein can include determining a …