7,257.435 B2 8, 2007 Plaza EP 1181895 2, 2002 7,302,285 B2 11/2007 Fuimaono et al. EP
1946713 A1 T 2008 7,819,860 B2* 10/2010 Wittenberger et al.......... 606, 23 EP 1946713 T …

A catheter adapted for mapping and ablating epicardial tissue from the pericardial cavity
includes a catheter body and an electrode assembly that has a tip section and a loop …

BACKGROUND 1. Technical Field The present disclosure relates to open or endoscopic sur
gical instruments and methods for treating tissue. More par ticularly, the present disclosure …

6,241,725 B1 6/2001 Cosman DE 10224154 12/2003 6,246,912 B1 6/2001 Sluijteretal. EP
0171967 A 2/1986 6,287,305 B1 9/2001 Heimetal. EP 0246350 11/1987 6,306,132 B1 …

A system for determining proximity of a surgical device relative to an anatomical structure
includes at least one surgical device having a sensor assembly operably coupled to a …

Tissue visualization and manipulation systems are described herein. Such a system may
include a deployment catheter and an attached imaging hood deployable into an expanded …

(63) Continuation of application No. 12/421,332,? led on Apr. 9, 2009, Which is a
continuation-in-part of(57) ABSTRACT apphcanon NO'12/117'549'? led on May 8'2008' A …

Complex shape steerable tissue visualization and manipulation catheters and their methods
of use of disclosed herein. The deployment catheter may be articulated utilizing various …

Visualization apparatus and methods for transseptal access are described herein where
intravascular access across a septal wall is facilitated via devices which provide for direct …

Tissue visualization and manipulation systems are described herein. Such a system may
include a deployment catheter and an attached imaging hood deployable into an expanded …