Abstract: The invention relates to an intervertebral implant comprising a spacer constituted by first and second parts (12, 14), said parts being provided with mutual assembly means comprising first clip-fastener means (54, 56) secured to one of said parts, second clip-fastener means (49, 50) secured to the other part and suitable for co-operating with the first clip-fastener means to achieve releasable clip-fastening between the two parts, and guide means for guiding the two parts (12, 14) during clip-fastening, said guide means being distinct from the clip-fastening means and comprising: a substantially non-deformable first guide assembly (42, 44) secured to one of said parts; and a substantially non-deformable second guide assembly (46, 48) secured to the other part to co-operate with the first guide assembly.

Abstract: The invention relates to a spinal arthroplasty system for putting into place between two contiguous vertebrae (V1, V2). The arthroplasty system comprises: an at least partial prosthesis (12) for the intervertebral disk; and an intervertebral implant (14) comprising: a spacer (20) for placing between the spinous processes of the two vertebrae, said spacer including at each of its ends a housing (22, 24) for receiving one of the spinous processes; and at least one tie (26, 28) for holding each spinous process in a housing of said spacer.

Abstract: The invention relates to a distractible intervertebral implant having a first assembly (10) constituted by a first prosthetic plate (16) and a first spacer element (18), the prosthetic plate being secured to the first spacer element; a second assembly (12) constituted by a second prosthetic plate (22) and by a hollow second spacer element (24), having a first end secured to the second prosthetic plate and the first spacer element being suitable for sliding in the second spacer element; and means (14) for preventing the spacer element from moving in translation or in rotation relative to each other, the means having a clamping collar (28) surrounding a portion of the outside surface of the second spacer element, and a lock screw (30) for tightening the collar onto the second spacer element.

Abstract: A multiaxial connection osteosynthesis system for the spine having a bone anchor, a connector and a connecting member. The bone anchor may be implanted into a vertebral body with a connector being attached to a head of the bone anchor. The connector includes a seat for receiving the connecting member. As the connecting member is locked into position it causes walls of the connector to inwardly deform and lock the head of the bone anchor relative to the connector.

Abstract: The invention relates to a connecting member for maintaining the spacing between at least two anchor members screwed into vertebrae. The connecting member comprises: a flexible part (10) divided into two branches (12, 14), the ends of said branches being interconnected in pairs and defining a first median plane (Pm), and two rigid rod-forming parts (20, 22) each having a fixing first portion (20?, 22?) and a second portion (20?, 22?), each of said second portions (20?, 22?) of said two rigid parts (20, 22) extending respective ends of said branches interconnected in pairs in opposite directions, so that said connecting member, whose fixing portions (20?, 22?) are fixed to respective anchor members, is able to bend elastically in a direction perpendicular to said median plane (Pm).

Abstract: The invention relates to a device for locking two braids (L1, L2) in the form of tapes, the device being for fastening on a wall (S) of an element, and in particular of an intervertebral spacer. It is constituted by a body having a first face (42) for facing the wall of said element, and a second face (44). The body comprises: an axial slot (60) opening out into both faces of the body; two lateral slots (62, 64), each lateral slot opening out into both faces and having dimensions suitable for allowing one braid to pass freely; and two presser surfaces (54, 56) defined in said first face (42) of the body, each presser surface extending between one end of the body and the nearer lateral slot, a flank of each lateral slot co-operating with the associated presser surface to define a first edge (A1, A2), and the other flank of each lateral slot co-operating with the second face of the body to define a second edge (A?1, A?2).

Abstract: The invention relates to an intervertebral implant comprising a spacer designed to be applied between two spinous processes of two vertebrae. The spacer comprises: two elements (10, 12) made of a first material, and each presenting a first end (10a, 12a) and a second end (10b, 12b), said first end (10a, 12a) being securable to a spinous process; and a connection piece (14) made of a second material of greater elastic deformability than said first material, said connection piece interconnecting said second ends (10b, 12b) of said two elements (10, 12) so that the stresses that are exerted on said two elements (10, 12) are damped, and said connection piece enabling said intervertebral implant to limit and brake the relative movements of said vertebrae.

Abstract: The invention provides an intervertebral implant for the lumbo-sacral joint, the implant consisting in a spacer suitable for being placed between the fifth lumbar vertebra and the sacral vertebra articulated thereto, the body of said spacer presenting in its top face a groove extending in the midplane of the spacer and suitable for receiving the spinous process of said lumbar vertebra. A longitudinal housing oriented orthogonally to said groove is formed in the bottom face and is suitable for receiving the top portion of the sacral vertebra. The longitudinal housing is defined by an extension and by a tab of which narrower than the width of the body of the spacer. The section of the housing in the midplane of the spacer is generally U-shaped, being inclined relative to the bottom groove.

Abstract: The invention relates to an intervertebral implant comprising a spacer designed to be applied between two spinous processes of two vertebrae. The spacer comprises: two elements (10, 12) made of a first material, and each presenting a first end (10a, 12a) and a second end (10b, 12b), said first end (10a, 12a) being securable to a spinous process; and a connection piece (14) made of a second material of greater elastic deformability than said first material, said connection piece interconnecting said second ends (10b, 12b) of said two elements (10, 12) so that the stresses that are exerted on said two elements (10, 12) are damped, and said connection piece enabling said intervertebral implant to limit and brake the relative movements of said vertebrae.

Abstract: A fixing device adapted to connect a rod and a nearby spherically symmetrical screwhead, including a first longitudinal member (14) having a first surface (16) and a second surface (20), a first end (18) of said first surface (16) being adapted to be pressed against said screwhead (10) and a middle part (22) of said second surface (20) being adapted to bear against a portion of said rod (12), and a second longitudinal member (15) adapted to co-operate with said first longitudinal member (14), whose first end (35) is adapted to be pressed, opposite a portion of said first end (18) of said first surface (16) of said first part (14), against a second hemispherical part (38) of said screwhead (10) opposite the first (29) and whose middle portion (36) is adapted to bear against a portion (34) of a second part of said rod (12) opposite the first part.

Abstract: An intervertebral implant comprising a spacer for engaging between two spinous processes of two vertebrae of the spine. The spacer has two elements each presenting a first part suitable for being connected to a spinous process and bearing second parts opposite from the first part, the bearing second parts being situated facing each other. An elastically-compressible member is disposed between the bearing second parts. Links are provided which are distinct from the elastically-compressible member for linking together the two elements, the link member being suitable for blocking translation movement of the two elements relative to each other when the two elements are driven apart from each other.

Abstract: A vertebral fixing device which is capable of being mounted on a vertebra having a rear wall and/or two side walls from which project the ribs and/or the transverse processes. The device comprises an elongate transverse part (16) having two substantially symmetrical opposite ends (18, 20), where the transverse part (16) is adapted to be arranged against the rear wall (51) of the vertebra. Each of the ends (18, 20) is located opposite one rib and/or a transverse process (52, 54). The device includes at least two clamp-forming adjustable connection elements (26, 28, 42, 44) suitable for being connected respectively to each of the two ends (18, 20). The ribs and/or transverse processes (52, 54) are adapted to be engaged in the adjustable connection elements (26, 28, 42, 44) so as to maintain the elongate transverse part (16) in a fixed position against the rear wall (51) of the vertebra.

Abstract: The invention relates to an assembly for treating degeneration of a damaged intervertebral disk disposed between two vertebrae. The treatment assembly includes cells that may be analogous to those of the intervertebral disk, and that are suitable for implanting in said disk; and an intervertebral implant. The intervertebral implant includes an intervertebral spacer for placing between said vertebrae, and a fastener device for fastening said spacer on said vertebrae.

Abstract: An intervertebral implant which includes a block (10) with two grooves (12, 14) on opposite sides and on the longitudinal axis (A) of the block (10). The block (10) has two lateral walls and a fixing tie (16), where a first end (20) of the fixing tie (16) is adapted to be connected to the block (10) and a second end (28) of the fixing tie is a free end. The intervertebral implant includes a removable self-locking fixing member (30, 32) which is connectable with studs (34) and through which the fixing tie (16) can slide. A lateral wall (36) of the block (10) includes housings (38) adapted to cooperate with the (34) to connect the removable self-locking fixing member (30, 32) to the lateral wall (36) of the the block (10).

Abstract: The invention concerns a backbone osteosynthesis system comprising an elongated element, a vertebral screw, and a connecting element comprising two branches for clamping between them the linking element, at least one first branch being capable of being engaged onto the screw. The system comprises a second vertebral screw, the first branch having an extension capable of being engaged onto the second screw. The system may comprise a second elongated linking element.

Abstract: The present invention relates to a vertebral fixing system adapted to be mounted on a vertebra of the spine to connect it to a rod. Said fixing system comprises: a connecting part adapted to face the rib and/or said transverse process and to be connected to said rod; an elongate flexible ligature adapted to connect together said connecting part and at least one rib and/or one transverse process; and adjustable locking means fastened to said connecting part and adapted to fix simultaneously in position said connecting part relative to said rod and at least one portion of said ligature relative to said connecting part, so as to prevent relative displacement of said rod and said vertebra in opposite directions.

Abstract: The invention relates to an intervertebral implant including a wedge which is inserted between two spinous processes and has two opposite grooves in which said spinous processes engage, which grooves have substantially parallel axes, and each of which grooves is defined by two flanges. The wedge has at least one central opening between said two grooves and said central opening passes completely through said wedge along an axis Ac substantially parallel to the axes Ag1 and Ag2 of said grooves, which renders said wedge elastically deformable.

Abstract: The invention relates to a sequential connection device for connecting together a rod and a screw head having spherical symmetry. The device comprises a first longitudinal part and second longitudinal part suitable for co-operating together. Said first first end presenting a top portion and a curved bottom portion facing said top portion, said bottom portion presenting bottom bearing points against which said screw head can come to bear. Said top portion includes an adjustable thrust disposed facing said bottom portion and spaced apart from said screw head, the adjustable thrust and said bottom bearing point defining a polyhedron inside which the center C of said screw head can be situated.

Abstract: The invention concerns a backbone osteosynthesis system, in particular for anterior fixing comprising: an elongated linking element; a vertebral screw with a threaded head; a connector comprising two branches capable of being engaged onto the screw and clamping between them the linking element; and a threaded clamping member capable of co-operating with the head for clamping the branches. The head has a threaded orifice, the clamping member comprising a threaded rod capable of being urged to be engaged in the orifice.

Abstract: The invention provides an intervertebral disk prosthesis. The prosthesis comprises: a first fixing element having both an anchoring first face for anchoring in one of the vertebrae and a co-operation second face; a second fixing element having both an anchoring first face for anchoring in the other vertebrae and a co-operation second face; a first prosthesis element having both an active first face and a co-operation second face, said co-operation faces of the first fixing element and of the first prosthesis element serving to fasten the two elements together; a second prosthesis element having both an active first face and a co-operation second face, said co-operation faces of the second fixing element and of the second prosthesis element serving to fasten the two elements together; and each of said active faces of the prosthesis elements defining at least a portion of a spherical cap that is respectively concave or convex.