Patent ID: 8820551

Claim:
A fluid preservation device for preserving a liquid within a container, the fluid preservation device comprising: an elongated member with a proximal end and a distal end; where the elongated member comprises an inner shaft and an outer shaft; where the outer shaft of the elongated member is attached to the inner shaft of the elongated member; an expandable sealing member; where the expandable sealing member is comprised of flexible braces formed by slits in the outer shaft of the elongated member; where the expandable sealing member has an expanded state and a collapsed state; a state change mechanism to change the expandable sealing member between the expanded state and the collapsed state; where the state change mechanism is attached to the inner shaft and the outer shaft of the elongated member near the proximal end of the elongated member; where the expandable sealing member in the collapsed state is sized to pass through an opening of a container; and where the expandable sealing member in the expanded state is sized to contact an inner surface of the container near a surface of the liquid.