Patent ID: 6796991
Filing Date: 2004-09-28
Classification: A61M

Abstract:
A dilator and sheath assembly comprising:a) a dilator having: 1) an elongated dilator stem having a proximal dilator end; and 2) a dilator hub fixedly connected to the proximal dilator end, wherein the dilator hub includes a threaded portion at a distal portion thereof; and b) a sheath having: 1) an elongated tubular portion having a proximal sheath end, a distal sheath end, and a longitudinal axis extending between the proximal sheath end and the distal sheath end, wherein the tubular portion is sized to frictionally retain the dilator stem; 2) at least one tear seam extending in a plane between the proximal sheath end and the distal sheath end; and 3) a sheath hub fixedly connected to the proximal sheath end, wherein the sheath hub includes a proximal portion and a mating threaded portion at a proximal end thereof, wherein the threaded portion of the dilator hub and the mating threaded portion of the sheath hub provide a releasably locking engagement between the dilator and the sheath.