Patent ID: 9326756
Filing Date: 2016-05-03
CPC Classification: A61B,A61M

Claim Text:
1. An inter-locking handle assembly for use in transseptal catheterization procedures utilizing a sheath assembly, a dilator assembly and a needle assembly, the handle assembly comprising: a sheath hub; a dilator hub slidably and latchably connected to the sheath hub; a needle hub slidably and latchably connected to the dilator hub; a needle stop mechanism movable relative to at least one of the needle hub or the dilator hub without disconnecting the dilator hub from the needle hub; and a needle advancement mechanism adapted to cooperate with the needle stop mechanism, wherein a first actuation of the needle advancement mechanism causes the needle stop mechanism to move in a manner such that the needle assembly advances from a position within a sheath or a dilator to a predetermined position external to the sheath or the dilator and a second actuation of the needle advancement mechanism causes the needle stop mechanism to move in a manner such that the needle assembly advances from a position external to at least one of the sheath or the dilator to a predetermined position within the sheath or the dilator.