Replacement ligamentum teres femoris
A hip joint prosthesis including a replacement ligamentum teres femoris. The replacement ligamentum teres femoris may be attached to a replacement (or natural) femoral head and/or to a replacement (or natural) acetabular structure.
1 . A hip joint prosthesis comprising:
a replacement ligamentum teres femoris non-slidingly attached to a replacement femoral head.
2 . (canceled)
3 . The prosthesis according to claim 1 , further comprising a replacement acetabular structure to which said replacement ligamentum teres femoris is attached.
4 . The prosthesis according to claim 1 , wherein said replacement ligamentum teres femoris comprises one attachment zone for attachment to a femoral head and at least one attachment zone to acetabular structure.
5 . The prosthesis according to claim 1 , wherein said replacement ligamentum teres femoris extends outwards from a portion of said replacement femoral head corresponding to a fovea of a natural femoral head.
6 . The prosthesis according to claim 1 , wherein said replacement femoral head extends from a stem insertable into a femur.
7 . The prosthesis according to claim 6 , wherein said stem comprises an alignment device adapted to orient said replacement femoral head in a predefined orientation.
8 . The prosthesis according to claim 1 , wherein said replacement ligamentum teres femoris is stretchable.
9 . The prosthesis according to claim 1 , wherein said replacement ligamentum teres femoris does not pass through said replacement femoral head.