Paragraph Number

95

A pin can have a variety of geometric cross-sectional shapes, including, but not limited to a circle, an ellipse, an ovoid, or other circular or semi-circular shape, as well as a rectangle, a square, or other polygon. A pin has two ends one end can be blunt and the other end may come to a point. A pin can be made from a variety of materials including, metal, plastic, ceramic, wood, fiberglass, or the like. A pin may also be formed of any biocompatible materials, including but not limited to biocompatible metals such as Titanium, Titanium alloys, stainless steel alloys, cobalt-chromium steel alloys, nickel-titanium alloys, shape memory alloys such as Nitinol, biocompatible ceramics, and biocompatible polymers such as Polyether ether ketone (PEEK) or a polylactide polymer (e.g. PLLA) and/or others.

Added by DJM 12 2021