Patent ID: 6994685
Filing Date: 2006-02-07
Classification: A61B,A61G

Abstract:
1. A method for creating a protecting atmosphere in an outwardly open volume, including the steps of: providing a device, which is arranged to permit the supply of a gas and which includes at least one supply conduit including a flexible hose having a discharge end and a porous body provided at said discharge end and manufactured in a foam rubber-like material, positioning the porous body in the volume, supplying said gas to the volume by means of said device through the porous body and foam rubber-like material in such a way that a controlled, substantially laminar, continuous flow of said gas is formed, and providing said porous body in relation to said volume in such a way that the controlled gas flow forms a gas cushion, which substantially fills said volume, and that said gas cushion is arranged to prevent air from the environment from reaching said volume.