Abstract: An intervertebral implant having two mutually opposite main faces and a side face, wherein at least one of the faces has mutually parallel shaped teeth. The general shape of the profile of the toothed face in at least one plane extending transversely to the face, is curved. Additionally, at least one spike projects from one of the main faces.

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.

Abstract: A disc prosthesis for vertebrae is provided. The disc prosthesis comprises a first plate, a first insert, a second plate, and a second insert. The first plate comprises a first active face and a first anchor face. The second plate comprises a second active face and a second anchor face. The first anchor face is configured to anchor the first plate to a first vertebra. The second anchor face is configured to anchor the second plate to a second vertebra. The first plate comprises a cavity for receiving the first insert. The cavity comprises a concave spherical cap. The second plate comprises an opening that connects the second active face to the second anchor face. The second insert comprises a fastener portion, said fastener portion is friction fit in the opening.

Abstract: The invention provides an intervertebral implant for the lumbo-sacral joint, the implant comprising a spacer (20) suitable for being disposed between the fifth lumbar vertebra L5 and the vertebra S1 of the sacrum that is articulated to the vertebra L5, the implant comprises a flexible tie (50) having end portions (52) suitable for being fastened to the sacrum with the help of fasteners such as pedicular screws (60), the flexible tie (50) presenting an intermediate portion (54) suitable for co-operating with a connection system such as a hook (21) provided on the spacer (20) so that the flexible tie (50) connects the spacer to the sacrum. The flexible tie (50) is put under tension in such a manner as to exert a return force on the spacer (20) towards the vertebra S1.

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: 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 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 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: 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 an intervertebral implant comprising a spacer (2) in which two opposite notches (6a, 6b) are formed suitable for receiving two respective spinus processes (26a, 26b) of two vertebrae, each notch defining two flanges (8a, 10a, 8b, 10b) each having an inside wall, and the implant also having a tie (4a, 4b) for holding said spacer on said spinus processes. Said tie is constituted by at least one strap having a portion surrounding a portion of the surface of a spinus process that is opposite from the bottom of the notch. Said implant has first fixing means (12a, 12b) formed in at least one flange (8a, 8b) for fixing a first end (18a, 18b) of said strap, and self-locking second fixing means (14a, 16a, 14b, 16b) formed in at least one other flange (10a, 10b) and through which the second end (20a, 20b) of said strap is inserted and then pulled to hold said strap (4a, 4b) in position, thereby securing said spacer (2) to said spinus processes (26a, 26b).

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 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 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: A implant for a cervical vertebra comprises two branches adapted to extend respectively substantially along the two cervical laminae of a given cervical vertebra that have been spaced apart from each other after osteotomy of the laminae, and a rigid body interconnecting the two branches.

Abstract: The intervertebral implant has two mutually opposite main faces (8, 10), at least one of which faces (8) has mutually parallel shaped teeth (12). The general shape of the profile of said toothed face (8) in at least one plane extending transversely to said face, is not rectilinear.