Patent ID: 6929041
Filing Date: 2005-08-16
Classification: A61M

Abstract:
1. A removable adapter for a bottle containing an anesthetic agent, the bottle having a key member relating to the type of anesthetic agent in the bottle, said adapter being suitable for insertion into to a filling station of an anesthetic vaporizer to connect the bottle to the filling station, said adapter comprising: a body member comprising a rigid portion which is lower when the adapter is mounted on an upright bottle and an upper rigid portion integrally joined to said lower portion, said lower portion having a wall defining an open interior and containing means for removably mounting said adapter on the bottle, said lower portion having means for engaging the key member on the bottle for allowing said adapter to be mounted on the bottle, said upper portion having a wall defining an open interior, said upper portion being insertable in the filling station of the anesthetic vaporizer to connect the adapter to the filling station, said upper portion having a pair of peripherally spaced indexing ridges on the exterior thereof, the peripheral spacing of said ridges relating to the type of anesthetic agent in the bottle, said ridges engaging with complementary grooves in said filling station to allow insertion of the upper portion into the filling station when the type of anesthetic agent in the bottle is properly matched to the vaporizer, said adapter having a visually or tactilely perceptible means on the exterior thereof aligned with one of said indexing ridges for assisting in aligning the indexing ridges with the complementary grooves to facilitate insertion of the upper portion of the adapter in the filling station; and a valve in said adapter, openable when said upper portion is inserted in the filling station to allow anesthetic agent to flow from the bottle into the filling station.