Locking nail for hollow bone fractures

Details Locking nail for hollow bone fractures Locking nail for hollow bone fractures

1992-12-04

1995-10-17

Pellegrino, Stephen C.

Surgery

Instruments

Orthopedic instrumentation

606 64, A61B 1772

Patent

active

054586003

ABSTRACT:
A locking nail which is used for a plurality of bone cavities is provided in a plurality of lengths. The bone nail is suited for dynamic medical care as well as for subjecting compression and/or distraction forces.
The shaft (10) of the locking nail is hollow and straight and has an outer diameter which is for the most part smaller than the inner diameter of the corticalis. Enlarging the bone cavity is generally not necessary. The nail has at least a cross bore for receiving a bone screw at the first end and a further cross bore for a bone screw at the second end adjacent the driving end. A bore at the second end (18) is formed as an elongate bore (26) and an inner threaded portion is formed at the second end (18), which threaded portion extends into the elongate bore (26) for receiving a screw bolt (54, 62) which may be brought in contact with the shaft of the bone screw (82) extending through the elongate bore (26).

REFERENCES:
patent: 4622959 (1986-11-01), Marcus
patent: 4875474 (1989-10-01), Border
patent: 4946459 (1990-08-01), Bradshaw et al.
patent: 5041115 (1991-08-01), Frigg et al.
patent: 5066296 (1991-11-01), Chapman et al.
patent: 5112333 (1992-05-01), Fixel
patent: 5122141 (1992-06-01), Simpson et al.
patent: 5263955 (1993-11-01), Baumgart et al.

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