Adapter for an anesthetic vaporizer

An adapter mountable on an anesthetic agent container and configured to be received by an inlet port of an anesthetic vaporizer including a movable vaporizer valve assembly movable between open and closed positions, the adapter comprising:

• a base;
• a generally tubular spout extending upwardly from the base;
• a movable adapter valve assembly with an attached valve plug, the moveable adapter valve assembly further comprising an extension portion extending beyond the spout when the adapter valve is in an open and in a closed position;
• and
• a vaporizer valve assembly contact member which is stationary with respect to the spout and is located to contact and move the movable vaporizer valve assembly when the adapter is inserted into the vaporizer inlet port, and wherein the contact member is attached to the spout, the contact member dividing at least a portion of the interior of the spout into a plurality of openings;
• and wherein the adapter valve assembly is moved by contact with a stationary portion of the inlet port when the spout is inserted into the inlet port, and wherein the adapter valve assembly includes a plurality of elongated members configured to contact the stationary portion of the inlet port when the spout is inserted into the inlet port, and wherein each member extends through one of said openings.