Patent ID: 7101512

Claim:
A cassette assembly for delivering a substance, the assembly comprising: a cassette having at least one cell therein containing a quantity of the substance, and the cassette further comprising a first side, a second side opposite the first side and a first end between the first side of the cassette and the second side of the cassette; a protective sleeve containing the cassette, the sleeve comprising: a first side, a second side opposite the first side, a first end between the first side of the sleeve and the second side of the sleeve and a second end opposite the first end of the sleeve, the first end of the sleeve being open for receiving the cassette and the second end of the sleeve being closed; a first tab at the first end of the sleeve which extends inwardly from the first side of the sleeve toward the second side of the sleeve and abuts the first side of the cassette; a second tab at the first end of the sleeve which extends inwardly from the second side of the sleeve toward the first side of the sleeve and abuts the second side of the cassette; and wherein the cassette is positioned within the protective sleeve with the first side of the cassette adjacent the first side of the sleeve and the first end of the cassette at the first end of the sleeve and wherein the cassette has a first lateral dimension defined between its first side and its second side which is smaller than a second lateral dimension defined between the first side of the sleeve and the second side of the sleeve.