Apparatus for placement of cardiac defibrillator and pacer
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United States of America Patent
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Oct 30, 2007
Grant Date -
Jul 22, 2004
app pub date -
Feb 18, 2003
filing date -
Jan 17, 2003
priority date (Note) -
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Abstract
Surgical procedure and surgical instruments include an electrode structure for insertion through tissue superiorly of a subxiphoid incision to a position posterior of an aspect of the sternum and anterior of the pericardium. The electrode structure may be expanded, for example, including an inflatable member to position a number of electrodes of the electrode structure in contact with the pericardium. Alternatively, an electrode structure on an insertion cannula may be retained in contact with the pericardium by the cannula positioned within the dissected tissue. Electrical conductors from the contacting electrodes are routed through the tract of dissected tissue toward the subxiphoid incision for attachment to a generator that is implanted in a subcutaneous pocket near the subxiphoid incision.
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