Patent ID: 8628552
Filing Date: 2014-01-14
Classification: A61B,A61M

Abstract:
1. A medical device configured to engage and penetrate a pericardial sac, said device comprising: an outer tubular body comprising a proximal end, a distal end and a first lumen extending between the ends; an inner tubular body comprising a proximal end and a distal end and a second lumen extending between the ends, the inner tubular body located in the lumen of the outer tubular body, the proximal end of the inner tubular body operably coupled to the proximal end of the outer tubular body, the distal end of the inner tubular body being extendable out of the distal end of the outer tubular body and defining an opening sized for passage of a guidewire through the second lumen and the opening; and a helical tissue engagement member having a longitudinal axis, the engagement member: