Patent ID: 8375939
Filing Date: 2013-02-19
Classification: A61D

Abstract:
1. A device enabling anesthetic gas to be induced to a small laboratory animal, wherein said device comprises a supporting structure and a container referred to as an induction cylinder that remains permanently open in its top portion and closed in its bottom portion, said container presenting an inner cylinder and an outer cylinder, a space being defined by the outer periphery of the inner cylinder and by the inner periphery of the outer cylinder, the device also including an introduction channel for continuously introducing a stream of anesthetic agent into said inner cylinder and an extraction system for simultaneously extracting air filled with residual anesthetic gas, said extraction system comprising three calibrated suction levels, namely: a first suction level in which air filled with residual anesthetic gas coming from the top portion of the inner cylinder is channeled into the space and then directed towards an active carbon antipollution system via an extraction channel; a second suction level in which air filled with residual anesthetic gas coming from a passage existing between the top edge of the inner cylinder and the supporting structure is channeled into said supporting structure and then directed towards a suction turbine connected to a general network for removing and treating air filled with residual anesthetic gas via a suction channel; and a third level of suction in which air filled with residual anesthetic gas coming from two work planes fitted with calibrated suction screens is channeled into the supporting structure and then directed via the suction channel towards the suction turbine connected to the general network for removing and treating air filled with residual anesthetic gas.