Patent ID: 8591520
Filing Date: 2013-11-26
Classification: A61B,A61M

Abstract:
1. An apparatus for inserting an elongated device into a body cavity, the apparatus having a valve, said valve having a longitudinal axis and comprising: a housing having a cup-shaped recess and a base, a first channel section provided in said base, a plunger having an end face, said plunger having at least its end face inserted into and displacable within the cup-shaped recess, a second channel section provided in the plunger, and a hollow cylindrical elastic seal arranged within the cup-shaped recess between said base and said end face, said seal having an outer face and an inner face defining there between a cross section of the seal, a third channel section provided in the seal and surrounded by the inner face, wherein the third channel section together with the first channel section and the second channel section forms a central channel, said central channel extending and being continuous along said longitudinal axis, said seal being provided with a change in said cross section in a region along said longitudinal axis; wherein a circumferential groove is provided on the outer face of the seal; and wherein means are provided for displacing said plunger along said longitudinal axis relative to said housing without changing the circumferential orientation of the plunger relative to the housing.