Patent ID: 7424929

Claim:
A unitary sanitary device for a stethoscope comprising: (a) the unitary sanitary device having a disk; (b) a flexible skirt extending from the disk; (c) an expandable binding ring combining with the flexible skirt to hold the disk in place; (d) the expandable binding ring having a rest diameter less than either a diaphragm for the stethoscope or a bell for the stethoscope; (e) the expandable binding ring being releasably expandable to a binding ring diameter; (f) the binding ring diameter being greater than either a diameter for a diaphragm on the stethoscope or a diameter for a bell on the stethoscope; (g) the disk being made of a light weight and flexible material; (h) the light weight and flexible material being polyethylene, polypropylene, polyvinyl chloride, or copolymers thereof; (i) the disk containing disk apertures to permit a stronger bond to the flexible skirt; and (j) the disk containing disk ridges in an edge of the disk.