Surgery – Instruments – Orthopedic instrumentation
Reexamination Certificate
2005-06-06
2009-08-11
Robert, Eduardo C (Department: 3775)
Surgery
Instruments
Orthopedic instrumentation
Reexamination Certificate
active
07572260
ABSTRACT:
A slotted bone rasp for reciprocal planing of opposed bone surfaces joined by a fixation pin so that the bone surfaces are made congruous and parallel to each other preparatory to bone fusion irrespective of pin orientation includes a shank with a pair of legs defining a slot for accommodating the pin and the legs having a flat side and an opposed abrasive side for remodeling the bone surfaces. Each leg includes an inner opposed convex surface whereupon the slot is narrowest at its midline so that the rasp is laterally pivotal transverse to the pin axis providing oblique angulations of the plane of bone removal relative to the pin axis; and the rasp also being rotatable to at least 90 degrees arc of rotation about the pin for 360 degree coverage of the bone surface creating two parallel bone surfaces in maximal end-to-end contact for successful bone fusion.
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Araj Michael J
Lovercheck Wayne L.
Robert Eduardo C
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