Dave's PCF WIP: Terms

Term #1,420

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fastener or bone fastener or fastener system or fixation device

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As used herein, a "fastener", "fixation device", "fixation hardware" or "fastener system" refers to any structure configured, designed, or engineered to join two structures.  Fasteners may be made of a variety of materials including metal, plastic, composite materials, metal alloys, plastic composites, and the like. Examples of fasteners include, but are not limited to screws, rivets, bolts, nails, snaps, hook and loop, set screws, bone screws, nuts, posts, pins, thumb screws, and the like. Other examples of fasteners include, but are not limited to wires, Kirschner wires (K-wire), anchors, bone anchors, plates, bone plates, intramedullary nails or rods or pins, implants, sutures, soft sutures, soft anchors, tethers, interbody cages, fusion cages, and the like.

In certain embodiments, the term fastener may refer to a fastener system that includes two or more structures configured to combine to serve as a fastener. An example of a fastener system is a rod or shaft having external threads and an opening or bore within another structure having corresponding internal threads configured to engage the external threads of the rod or shaft.

In certain embodiments, the term fastener may be used with an adjective that identifies an object or structure that the fastener may be particularly configured, designed, or engineered to engage, connect to, join, contact, or couple together with one or more other structures of the same or different types. For example, a "bone fastener" may refer to an apparatus for joining or connecting one or more bones, one or more bone portions, soft tissue and a bone or bone portion, hard tissue and a bone or bone portion, an apparatus and a bone or portion of bone, or the like.

In certain embodiments, a fastener may be a temporary fastener. A temporary fastener is configured to engage and serve a fastening function for a relatively short period of time. Typically, a temporary fastener is configured to be used until another procedure or operation is completed and/or until a particular event. In certain embodiments, a user may remove or disengage a temporary fastener. Alternatively, or in addition, another structure, event, or machine may cause the temporary fastener to become disengaged.