1982-12-06
1984-10-09
Frinks, Ronald L.
Surgery
Truss
Perineal
128 92G, A61F 504, A61B 1718
Patent
active
044755457
ABSTRACT:
A bone-nail for long hollow bones consists of a tubular base member being distally provided with a tip and proximally comprising a head for applying a driving instrument. The distal edge portion of the base member has a closed cross section and is conveniently provided with two pairs of holes, both holes of one pair of holes being coaxially arranged on a common axis passing through the nail in transverse relation to its longitudinal direction and both axes of the said both pairs of holes being located in different planes extending in transverse direction relative to the longitudinal direction of the nail and intersecting one another with an acute angle preferably having a value between 10.degree. and 60.degree.. The middle portion adjoining the distal edge portion is slotted in longitudinal direction of the nail, the slot being widened by forcibly bending its edges so that this middle portion has a cross section being greater than the closed cross section of the distal edge portion. The proximal edge portion adjoining the middle portion again has a closed cross section corresponding to the cross section of the distal edge portion and is provided with two pairs of holes, the axes of these pairs of holes being located in a common plane extending substantially in normal direction to the plane including the curved nail axis and extending within the area of the said pairs of holes in direction of the nail axis, said axes intersecting one another within the interior of the nail and preferably intersecting one another with an approximately right angle. The holes within the proximal edge portion are conveniently provided with a thread.
REFERENCES:
patent: 2998007 (1961-08-01), Herzog
patent: 3334624 (1967-08-01), Schneider et al.
patent: 3441017 (1969-04-01), Kaessmann
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