A device designed to be used by a person with a disability to enable them to manually draw lines, create precise geometric figures and write with precision. Included are, e.g., pens, pencils, brushes, drawing compasses, straightedges and rulers.
A collection of dedicated instruments intended to be used during heart valve repair and/or implantation of a heart valve prosthesis during an open surgical procedure. The kit typically includes two or more of the following: annulus sizers, rulers (e.g., aor...