Systems for visualizing interior tissue regions including an act

Details Systems for visualizing interior tissue regions including an act Systems for visualizing interior tissue regions including an act

1996-10-28

1999-06-01

Lateef, Marvin M.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical energy applicator

600466, A61N 102, A61B 800

Patent

active

059084456

ABSTRACT:
An imaging element characterizes tissue morphology by analyzing perfusion patterns of a contrast media in tissue visualized by the imaging element, to identify infarcted tissue. In a preferred implementation, a catheter tube introduced into a heart region carries the imaging element, as well as a support structure spaced from the imaging element, which contacts endocardial tissue. The imaging element is moved as the imaging element visualizes tissue. A selected electrical event is sensed in surrounding myocardial tissue, which regulates movement of the imaging element. The support element stabilizes the moving imaging element as it visualizes tissue, providing resistance to dislodgment or disorientation despite the presence of dynamic forces.

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