Surgery – Means for introducing or removing material from body for... – Gas application
Reexamination Certificate
2006-02-07
2006-02-07
Manuel, George (Department: 3762)
Surgery
Means for introducing or removing material from body for...
Gas application
Reexamination Certificate
active
06994685
ABSTRACT:
The invention refers to a method for creating a protecting atmosphere in a volume, including the steps of: providing a device, which is arranged to permit the supply of a gas and which includes at least a supply conduit including a discharge end and a porous body provided at said discharge end, supplying said gas by means of said device through the porous body in such a way that a controlled 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. The invention also refers to a device for creating a protecting atmosphere in a volume.
REFERENCES:
patent: 3632950 (1972-01-01), Berghof
patent: 5394643 (1995-03-01), Schmittmann
patent: 5458135 (1995-10-01), Patton et al.
patent: 5660172 (1997-08-01), Hatton
patent: 6241751 (2001-06-01), Morgan et al.
patent: 26 46 710 (1978-04-01), None
patent: 2 656 218 (1991-06-01), None
patent: WO 97/26034 (1997-07-01), None
patent: WO 99/29249 (1999-06-01), None
Cardia Innovation AB
Greer Burns & Crain Ltd.
Manuel George
LandOfFree
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