Patent ID: 6936031

Claim:
A device for access to a channel comprising: a receptacle communicating with an inside of the channel; and a plug inserted into the receptacle and penetrable by a tube for withdrawal/injection of liquid from/into the channel, the plug being made of an elastic material and forming a leak-tight barrier between the inside of the channel and the outside of the channel, the plug having: a thickness on a longitudinal axis; an inner surface oriented towards the inside of the channel; an outer surface facing away from the inner surface; a hole starting from the outer surface of the plug and extending over part of the thickness of the plug; and a slit starting from the inner surface of the plug and extending over part of the thickness of the plug, the slit defining two facing surfaces substantially dividing a lower part of the plug into two halves, the two facing surfaces of the slit being applied elastically against one another.