Abstract: This interspinous vertebral implant comprises a body (11) which is intended to be inserted between two consecutive interspinous processes (3, 4), is compressible in the direction of the spine and is provided with means for anchoring it to at least one spinous process. The body (11) is formed by a single loop closed upon itself. The anchoring means are formed by two fixing lugs (12, 13) which are integral with the body (11), extend on either side of the spinous process in the area of which they are intended to anchor when the implant is in place, and are each traversed by a through-opening (14, 15) oriented in a direction substantially perpendicular to the general plane of said process, the through-openings being intended to receive fixing studs (23) to be crimped in the area of the process in question.

Abstract: The invention concerns an interspinous stabilizer comprising two members anchoring it to spinous processes of two respective vertebrae, and a body extending along a direction aligning the members, the body, being compressible along the alignment direction by the effect of stress based on a predetermined configuration, the body being adapted to recover spontaneously said predetermined configuration after the stress has ceased, the body comprising a leaf spring with a geometrical generatrix. The anchoring members are capable of fixing the stabilizer to the spinous processes such that the generatrix extends substantially from the front to the rear relative to the patient's body.

Abstract: The osteosynthesis system has two anchor members (2) adapted to be fixed to two vertebrae (4), and a link member (6; 106) adapted to interconnect the anchor members and to exert stresses against the two anchor members moving towards each other in translation. The link member (6; 106) is elastically deformable in bending about a deformation axis (45, 47, 49). It has two fixing portions (16) adapted to be fixed to the two anchor members (2) and an intermediate portion (40). The intermediate portion is offset from an alignment axis (18) of the two fixing portions (16). The link member (6; 106) has two abutments (39) disposed so as to come into abutment against each other when the link member is deformed about the axis.