Multipiece interfragmentary fixation assembly

Details Multipiece interfragmentary fixation assembly Multipiece interfragmentary fixation assembly

1996-12-12

1998-10-27

Buiz, Michael

Surgery

Instruments

Orthopedic instrumentation

606 72, 606 73, 606104, 606105, 411 81, 411166, A61B 1700, A61F 504

Patent

active

058272852

ABSTRACT:
A multipiece interfragmentary fixation assembly for interconnecting bone fragments across a fracture therebetween. The fixation assembly comprises a first axially elongated fastener having external threading for anchoring the first fastener into the bone substance of the first bone fragment. The first fastener defining a coaxial throughbore with internal threading extending along the length thereof. The fixation assembly also includes a second fastener attachable in non-movable relation relative to the second bone fragment. An elongated connector operably interconnects the fasteners such that rotation of the connector draws the fasteners and the bone fragments attached to each into a predetermined compressive relationship relative to each other. A retaining apparatus prevents the connector from inadvertently turning and thereby maintains the predetermined compressive relationship between the fasteners and the bone fragments to promote healing of the fracture.

REFERENCES:
patent: 4456005 (1984-06-01), Lichty
patent: 4858601 (1989-08-01), Glisson

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