Patent ID: 7516765
Filing Date: 2009-04-14
Classification: A61J,A61M

Abstract:
1. Apparatus for introducing air into an enteral container having a planar foil closure of aluminum or plastic closing the container when initially delivered, having a valve positioned in a connection member connecting the enteral instrument with the container containing the enteral liquid and which is controlling the introduction of air via an air inlet that corresponds to the consumption of the enteral liquid, wherein the valve includes a filter material covering the air inlet in the connection member, and wherein the connection member on the side lying in the direction of the container includes a cutting device for the foil closure of aluminum or plastic initially closing the container, wherein the improvement comprises the filter material comprises an oleophobic filter material positioned in a shell-shaped housing ( 24 , 124 ) mounted over the air inlet ( 16 , 116 ) facing the container ( 2 ). and the cutting device ( 20 , 120 ) positioned on the shell-shaped housing ( 24 , 124 ) on the side of the valve ( 14 , 114 ) facing the container ( 2 ) wherein the cutting device ( 20 , 120 ) comprises a circular or partly circular projection ( 28 , 128 ) rising from a low side ( 3 O, 130 ) to a high side ( 32 , 132 ).