Bone screw fastener and apparatus for inserting and removing same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 29, 2004
Grant Date -
Jun 24, 2004
app pub date -
Dec 20, 2002
filing date -
Dec 20, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system for and methods of easily and securely inserting and removing a fastener usable during orthopedic surgery to promote proper healing of injured bone are disclosed. In at least one embodiment, the invention provides a system for positive, complete tri-modal retention of a bone media fastener element by a bone media fastener driver element so that three types of positional divergence of the driver relative to the fastener--bi-axial, bi-rotational, and bi-lateral--may be prevented. At least one embodiment of a bone media fastener apparatus may comprise a shaft element, a threaded bone engagement element, and a head element that itself may comprise a fastener-side, positive, complete tri-modal retention element that is engageable with a driver-side, positive, complete tri-modal retention element of a bone media fastener driver element to prevent bi-lateral divergence, bi-rotational divergence, and bi-axial divergence.
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