Headed screw construction for use in fixing the position of an i

Details Headed screw construction for use in fixing the position of an i Headed screw construction for use in fixing the position of an i

1995-02-22

1996-07-16

Wilson, Neill R.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Externally threaded fastener element, e.g., bolt, screw, etc.

Thread or shank structure

411397, 606 73, F16B 3504, A61B 1756

Patent

active

055361277

ABSTRACT:
The invention relates to a headed screw for fixing an intramedullary nail in position. An external thread on the screw shank is provided over all, or a part of spaced parts, of the length of the shank. The screw head is provided with an external thread having a direction of helical advance which is opposite the direction of helical advance of the screw-shank thread.

REFERENCES:
patent: 354123 (1886-12-01), Flynn
patent: 4463753 (1984-08-01), Gustilo
patent: 5019079 (1991-05-01), Ross
patent: 5259398 (1993-11-01), Vrespa
patent: 5375956 (1994-12-01), Pennig

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