Methods and systems for accessing the pericardial space

Details Methods and systems for accessing the pericardial space Methods and systems for accessing the pericardial space

2011-08-16

2011-08-16

Gibson, Roy (Department: 3739)

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical energy applicator

C607S122000, C607S126000, C607S127000, C607S131000, C604S167030, C604S167040, C606S032000, C600S374000

Reexamination Certificate

active

08000807

ABSTRACT:
Methods and systems for transvenously accessing the pericardial space via the vascular system and atrial wall, particularly through the superior vena cava and right atrial wall, to deliver treatment in the pericardial space are disclosed. A steerable instrument is advanced transvenously into the right atrium of the heart, and a distal segment is deflected into the right atrial appendage. A fixation catheter is advanced employing the steerable instrument to affix a distal fixation mechanism to the atrial wall. A distal segment of an elongated medical device, e.g., a therapeutic catheter or an electrical medical lead, is advanced through the fixation catheter lumen, through the atrial wall, and into the pericardial space. The steerable guide catheter is removed, and the elongated medical device is coupled to an implantable medical device subcutaneously implanted in the thoracic region. The fixation catheter may be left in place.

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