System and method for using tissue contact information in an automated mapping of cardiac chambers employing magnetically shaped fields
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United States of America Patent
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Mar 24, 2015
Grant Date -
Dec 2, 2010
app pub date -
Feb 17, 2010
filing date -
May 29, 2009
priority date (Note) -
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Abstract
The invention relates to a method for using tissue contact technology to optimize automated cardiac chamber mapping algorithms to both speed up the mapping process and guarantee the definition of the actual chamber limits. The invention further comprises a method for conveying tissue type information to such automatic mapping algorithms so as to allow them to adapt their point collection density within areas of particular interest. The method is enhanced by the use of a magnetic chamber that employs electromagnetic coils configured as a waveguide that radiate magnetic fields by shaping the necessary flux density axis on and around the catheter distal tip so as to push, pull and rotate the tip on demand and as defined by such automatic mapping algorithms.
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