Patent ID: 8562597
Filing Date: 2013-10-22
Classification: A61B,B65D

Abstract:
1. A device for use together with a container containing a cryogenic liquid for cold treating a tissue, which device comprises a chamber screened from the environment by a wall, which chamber comprises: a first opening formed by a passage in a spray piece, the spray piece extending from the wall into the chamber and having a channel therethrough, wherein the channel and the passage are adapted for being in communication with an outlet opening of the container for letting the cryogenic liquid into the chamber, a second opening for delivering the cold to the tissue to be cooled, a first part of the chamber, in which the second opening is present, comprises an essentially semispherical portion and a circumferential side wall, wherein the circumferential side wall is essentially concentric with the second opening and the essentially semispherical portion converges in the direction of the second opening, a second part of the chamber, in which the first opening is present, that is essentially cylindrical, wherein the second part has a first diameter and adjoins the circumferential side wall of the first part facing away from the second opening, and at least one third opening in the wall facing away from the second opening and adjacent the channel, wherein the at least one third opening prevents excess pressure upon spraying of cryogenic liquid into the chamber.