Patent ID: 9339293
Filing Date: 2016-05-17
CPC Classification: A61B

Claim Text:
1. A method for controlled penetration into an intra-pericardial space, the method comprising: disposing an inner sheath in an outer sheath and disposing a nose shaft in the inner sheath; positioning a distal portion of an inner sheath in close proximity to a pericardial sac; engaging the pericardial sac with a hook on the distal portion of the inner sheath; and displacing the inner sheath relative to the outer sheath until an indicator located on a proximal portion of the nose shaft displaces distally relative to a proximal end of a middle sheath coupled to the inner sheath, the displacement of the indicator identifying when the nose shaft has distally extended from the distal portion of the inner sheath to become positioned in the intra-pericardial space.