Intramedullary nail

Details Intramedullary nail Intramedullary nail

A - Human Necessities

61

B

A61B 17/72 (2006.01) A61B 17/86 (2006.01)

Patent

CA 2594179

The invention relates to an intramedullary nail (1), especially for the tibia, which comprises a proximal end part (2), a distal end part (3) adapted to be introduced into the medullary space and a center axis (6). Said intramedullary nail has A) an overall length L ranging from 200 to 500 mm; B) a first curved section (4) having a length G1 = L and a radius of curvature R1; and C) a second curved section (13) having a length G2 = G1 and a radius of curvature R2 < R1 which is arranged between the proximal end part (2) and the first curved section (4); and D) the tangents in the two end points of a center section comprising the two curved sections (4;13) form a total angle gamma between 9~ and 12~.

Clou médullaire (1), en particulier pour le tibia, qui comporte une partie terminale proximale (2), une partie terminale distale (3) adaptée pour être introduite dans l'espace médullaire et un axe central (6) possédant (A) une longueur totale L de l'ordre de 200 à 500 mm, (B) un premier segment incurvé (4) présentant une longueur G1 = L et un rayon de courbure R1 et (C) un second segment incurvé (13), situé entre la partie terminale proximale (2) et le premier segment incurvé (4), présentant une longueur G2 = G1 et un rayon de courbure R2 < R1, (D) les tangentes aux deux points terminaux d'un segment médian composé des deux segments incurvés (4;13) formant un angle total gamma entre 9° et 12°.

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