Container for anaesthetic agent

  • US 5,617,906 A
  • Filed: 05/26/1995
  • Issued: 04/08/1997
  • Est. Priority Date: 01/24/1991
  • Status: Expired due to Term
First Claim
Patent Images

1. An anaesthetic agent container for supplying a liquid anaesthetic agent to an anaesthetic vaporizer, the container comprising:

  • (a) a reservoir containing a quantity of a volatile liquid anaesthetic agent;

    (b) a valve which, when closed, closes said reservoir and prevents the flow of said volatile liquid anesthetic agent and vapor agent from the reservoir;

    (c) a tubular outlet having one passageway through which said volatile liquid anesthetic agent can leave the reservoir and a second, separate passageway in said tubular outlet through which vapor can enter the reservoir when the valve is open;

    (d) a sealing surface provided towards the free end of the outlet extending around the perimeter thereof for forming a seal with a corresponding sealing surface provided at an inlet to a vaporizer to which said anaesthetic agent is to be supplied; and

    (e) a formation formed on the outer surface of the tubular outlet which presents a surface facing in a direction substantially opposite to the direction in which agent passes out of the reservoir through the outlet for latching with a cooperating surface provided at the inlet to the vaporizer to which the anaesthetic agent is to be supplied.

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