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: The invention relates to a vertebral fixing device suitable for being mounted on a vertebra presenting a posterior wall and two side walls from which there project ribs and/or transverse processes. The device comprises: an elongate transverse part (16) presenting two substantially symmetrical opposite ends (18, 20), said transverse part (16) being suitable for being placed against said posterior wall (51) of said vertebra, each of said ends (18, 20) being situated facing a rib and/or a transverse process (52, 54); at least two clamp-forming adjustable connection elements (26, 28, 42, 44) suitable for being connected to each of said two ends (18, 20) respectively, said ribs and/or transverse processes (52, 54) being suitable for being engaged in said adjustable connection elements (26, 28, 42, 44) in such a manner as to hold said elongate transverse part (16) in a fixed position against said posterior wall (51) of said vertebra.

Abstract: The invention relates to an intervertebral implant comprising a block (10) with two grooves. (12, 14) on opposite sides and on the longitudinal axis (A) of said block (10), which has two lateral walls and a fixing tie (16), a first end (20) of said tie (16) being adapted to be connected to said block (10) and a second end (28) of said tie being a free end. The intervertebral implant includes a removable self-locking fixing member (30, 32) having first connecting means (34) and through which said tie (16) can slide; a lateral wall (36) of said block (10) includes second connecting means (38) adapted to cooperate with said first connecting means (34) to connect said removable self-locking fixing member (30, 32) to the lateral wall (36) of the said block (10).

Abstract: The invention relates to a fixing screw comprising a threaded longitudinal body (10) extending between a head (12) for driving it in rotation and a point-forming end (14) adapted to be inserted into a support. Said threaded longitudinal body (10) includes at least one break point (16) enabling said threaded longitudinal body (10) to be broken forcibly at said break point (16) in order to remove a portion (20) of said longitudinal body (10) extending from said break point (16) to said point-forming end (14), whereby said screw can be shortened prior to use.

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 concerns a curettage instrument for scraping the intervertebral space and in particular the vertebral end-plates, comprising a first part (10) forming a handle and a second active part (12). The second active part (12), elongated in shape along a main axis (A), having a first end (14) linked to the first part (10) and a second free end (16), comprises at least a longitudinal portion (18) forming a cutting edge, the longitudinal portion (18) extending from the first end (14) of the second part (12) towards the second free end (16) of the second part (12) and has a median portion.

Abstract: An intervertebral disc prosthesis comprising two plates and a cushion interposed between the plates is contemplated. The cushion includes a compressible body having two ends in contact with the plates. At least one of the ends is freely displaceable relative to the plate in a parallel direction. Thus, the prosthesis imitates and approximates the mechanical properties of a healthy natural intervertebral disc.

Abstract: The invention provides an intersomatic implant suitable for containing at least one bone graft and for being inserted in the intervertebral space along a predetermined direction. It comprises: a first portion (10) of generally annular shape surrounding an aperture (11) and presenting a top first edge (12) and a bottom first edge (14); and a second portion (16) of elongate shape along its main axis (A) presenting a bottom second edge (18) and a top second edge (20), and interconnecting two facing opposite regions of said first portion (10) along said predetermined direction, thereby dividing said aperture (11) into two housings suitable for containing said bone graft, at least one of said bottom and top second edges projecting from the space defined by said bottom and top first edges (14, 12) of the first portion (10).

Abstract: The invention relates to a connecting member for maintaining the spacing between at least two anchor members screwed into vertebrae. It comprises two rigid rod-forming parts (12, 14) made of a first material and each having a fixing, first portion (16, 18) adapted to be fixed into an anchor member and a fastening, second portion (20, 22), said rods (12, 14) being aligned with each other and said fastening portions (20, 22) facing each other, and a connecting body (24) made of a second material which is more elastically deformable than said first material and which interconnects said rigid parts (12, 14) by means of the facing fastening portions (20, 22) so that said connecting body (24) is able to deform elastically, whereby the vertebrae, which are held spaced from each other, are movable relative to each other.

Abstract: The invention relates to a fixing device adapted to connect a rod and a nearby spherically symmetrical screwhead. The device includes 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: The invention concerns an intervertebral implant comprising a wedge designed to be pressed between two spinous processes, said wedge having two opposite grooves each defined by two wings, the axes of said two grooves being substantially mutually parallel and said spinous processes being urged to be supported in said two grooves. The wedge (10) comprises at least a central recess (16) between said two grooves (12, 14), said central recess (16) passing right through said wedge (10) along an axis Ac substantially parallel to said axes Ag1 and Ag2 of said grooves, thereby making said wedge (10) is elastically deformable.

Abstract: The invention concerns a linking piece designed to maintain a spacing between at least two anchoring elements screwed into vertebrae. The piece comprises at least: a flexible part (10) divided into two branches (12, 14), the ends of said branches being interconnected in pairs and defining a first neutral plane (Pm), and, two rigid parts (20, 22) forming rods, having a first fixing C portion (20′, 22′) and a second fixing portion (20″, 22″), each said second portion (20″, 22″) of said rigid parts (20, 22) extending respectively in two opposite directions said ends of said branches interconnected in pairs, such that said linking piece, whereof the fixing portions (20′, 22′) are respectively fixed on each of the anchoring elements is designed to bend elastically perpendicularly to said neutral plane (Pm).

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: A backbone osteosynthesis system for anterior fixing comprising first and second arms, each capable of receiving bone screws and a longitudinal plate for rigidly linking the arms, the plate being in one single piece with the first arm. The system comprises a way to adjust the second arm in a longitudinal position on the plate.

Abstract: The invention concerns an intersomatic implant adapted to contain at least a bone graft and to be inserted in the intervertebral space along a predetermined direction. It comprises: a first part (10), generally annular in shape, enclosing a recess (11) and having a first upper edge (12) and a first lower edge (14), and a second part (16) elongated along its main axis (A) having a second lower edge (18) and a second upper edge (20), and which links along said predetermined direction two opposite portions in line with said first parts (10) dividing said recess (11) into two housings adapted to contain said bone graft, at least a portion of said second lower and upper edges projecting outside the space defined by said first lower (14) and upper (12) second edges of said first part (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 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 intersomatic spine implant comprises a body, at least one anchoring element movable relative to the body to project from a contact face of the body making contact with a vertebra, and at least one cam slidable relative to the body and suitable for displacing the anchoring element relative to the body by the effect of a ramp engaging the anchoring element. The cam and the anchoring element are arranged so that the cam moves the anchoring element in two opposite displacement directions.

Abstract: An intervertebral disc prosthesis comprising two plates and a cushion interposed between the plates is contemplated. The cushion includes a compressible body having two ends in contact with the plates. At least one of the ends is freely displaceable relative to the plate in a parallel direction. Thus, the prosthesis imitates and approximates the mechanical properties of a healthy natural intervertebral disc.

Abstract: An osteosynthesis device comprising first and second rods, a threaded member, and a connector having two jaws adapted to clamp onto the first rod, the connector having a threaded face and a housing extending between the jaws and the threaded face and adapted to receive the second rod bearing against the jaws, the connector being arranged so that a force (T) applied by the threaded member co-operating with the threaded face, against the second rod received in the housing towards the jaws urges the jaws towards each other so as to clamp onto the first rod. The connector is made as a single piece.