Patent ID: 8309891

Claim:
An adapter for use in a particular liquid warming device, the particular liquid warming device designed for applying heat to a container that fits through an opening with a first cross sectional area in a top surface of the liquid warming device above a cavity in the liquid warming device, the adapter comprising: a surface shaped to fit upon at least a portion of the top surface of the particular liquid warming device; and an opening in a portion of the adapter to be placed in a cavity in the particular liquid warming device such that the adapter may be placed upon the particular liquid warming device and receive a container through an opening in the portion of the adapter with a second cross sectional area, less than the first cross sectional area, to allow the container to receive direct heat input from the liquid warming device and thereby heat sterile fluid placed in the container; wherein the adapter allows the container received through the opening with the second cross sectional area to be aligned with an alignment ridge present in the cavity of the particular liquid warming device; and wherein the adapter has a set of protrusions positioned to engage a set of rim protrusions on the container received through the opening with the second cross sectional area.