A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
128/41
A61F 5/04 (2006.01) A61B 17/88 (2006.01) A61B 17/84 (2006.01)
Patent
CA 1320883
ABSTRACT A tension adjuster is mounted on and is part of an external fixation device comprising frame segments rigidly supporting fixation pins that pass through and immobilize fractured bones during rehabilitation. This tension adjuster securely attaches the fixation pins to the frame segments and adjustibly applies tension along the fixation pins to more ridigly secure the fixation pins and to improve the immobilization of the fractured bones. The tension adjuster comprises a threaded slotted screw attached to the fixation pins and comprises a mounting nut having an aperture through which is drawn the threaded slotted tension screw while adjusting the tension along the fixation pins. A tapered pin extending into the aperture of the mounting nut and into a chamfered slot of the threaded slotted tension screw, guides the threaded slotted tension screw through the mounting nut during tension adjustments. A tension nut rotating upon the threaded slotted tension screw and buttressing the tension mounting nut operates by simple turning motion to draw the threaded slotted tension screw through the tension mounting nut and thereby applying tension along the fixation pins.
534897
Depuy Ace Medical Company
Gowling Lafleur Henderson Llp
LandOfFree
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