A device for producing thread-stitched book blocks from a stack of signatures are arranged flat one on top of the other and are stitched together by stitched seams formed at right angles to the folds by a binding thread passed repeatedly in double strands through the folds of the signatures. The accessory includes an upright wall having a floor portion and terminating in an upper access opening. It may also be produced from sertraline hydrochloride solvate and hydrate forms, and crystallized from new solvent systems. Patient test results are then input to the computerized system where they are converted into numeric analyte values by the conversion table. The label holder also has a back wall extending between a top wall and a bottom wall to form a retention channel. Tension applied to the tether activates the release device, enabling fluid flow from the balloon portion into the fluid drainage lumen and out of the body.