Abstract: A device for percutaneous transpedicular fusion includes at least two straight pedicular cannulas arranged respectively on the upper or lower vertebra, or on the two vertebrae of the spinal segment, at least one guide pin with a curved profile, which is implanted in the endplate of the corresponding vertebra through the corresponding pedicular cannula, of a flexible cannulated drill bit guided around the corresponding guide pin and driven in back and forth movements by a cannulated drive system to nibble out gradually slots in the lower and upper endplate of each vertebra and reduce to flaps the nucleic tissues of an intervertebral disk for the production of the intersomatic space, of an injection device connected to one of the straight pedicular cannulas for the injection of the graft into the intersomatic space, and closing devices that are screwed into the holes left free after retraction of the straight pedicular cannulas.

Abstract: The flexible and fluted cutting device for drilling and/or milling a space in bone tissue or connective tissue includes, on the one hand, a cutting element (2) made up of a rigid tube (20) secured at one of its ends to a supple and flexible connection (21) extended by a fluted cutter (22) and at the opposite end to drive element provided with a safety connector (23) for uncoupling the cutting device and, on the other hand, a guide element (3) providing the positioning and angular deformation of the cutting element (2) within the bone tissue or connective tissue.

Abstract: The nucleotomy device makes it possible to produce a nuclear space Es in an intervertebral disc Di using a transosseous approach previously pierced in the body of a vertebra Va. The device includes a tool holder (2) provided with first connection elements (3) ensuring the placement of an electric rotary driving motor (4), second connection elements (5) for the placement of a blade cutting tool (6), driving elements (7) imparting rotational and longitudinal translational movements to the cutting tool (6), and injection and suction elements (8) making it possible to evacuate the debris from the nucleus resulting from cutting when it is formed inside the intervertebral disc.

Abstract: A nucleus implant includes a core (10) arranged inside a nucleus pulposus space (Es) obtained after nucleotomy of the intervertebral disk (Di) and at least one extension (11) penetrating inside at least one channel (Co) formed in the vertebral body of the corresponding vertebra (Va, Vb) to strengthen and ensure a connection between the nucleus implant (1) and the bone body of the vertebra (Va) and/or (Vb) through the diffusion or migration of the viscoelastic material making up the nucleus implant in the cancellous bone of the vertebra.

Abstract: The gripping device (1) enables the introduction and attachment of a set screw (101) within a U-shaped link connector (102) of a polyaxial or monoaxial pedicle screw (103) to immobilize a connecting rod (104) of a osteosynthesis device (100), and includes a locking element (2) which is supported against the link connector (102) making it possible to ensure concentricity between the principal axes of the gripping device (1) and those of the link connector (102) and to ensure that the connecting rod (104) is kept on the inside of the link connector (102); and an element for releasing (3) the gripping device (1) after establishing and screwing the set screws (101) inside the link connector (102).

Abstract: The drilling device for forming an osseous channel (2) with a curved profile (2b) via a straight cannula (6) previously fixed in the body of a vertebra (3) with a cortical plateau (4) of a spinal segment (Sr) of a vertebral column (Cv) includes a guide pin (8) which is provided from a guide pin kit and has at one of its ends a curved profile (8a) of which the radius of curvature R is less than 20 millimeters, and a sharpened tip (8b) arranged in a direction defined by an angle Y which is less than 90 degrees to the longitudinal axis of said pin, the profile of said guide pin (8) making it possible to define, after insertion thereof into the body of the vertebra (3), two contact points a and b ensuring the guidance of the free end of an articulated drill bit (10) so as to position said free end in a direction substantially perpendicular to that of the cortical plateau (4) of the vertebra (3) to be drilled.

Abstract: Disclosed is a polyaxial screw including a friction element (12) positioned between the head (3) of the threaded bone anchoring portion (2) and the head (9) of the mechanical thread anchoring portion (4) on the one hand, and a retaining element (13, 18) ensuring that the anchoring portions (2, 4) cannot separate from each other while guaranteeing that the anchoring portion with the mechanical thread (4) is free to move in vertical translation and angular pivoting with respect to the threaded bone anchoring portion (2) so as to be able to axially preposition the mechanical thread anchoring portion (4) with respect to the axial anchoring position of the threaded bone anchoring portion (2).

Abstract: The drilling device is composed of an articulated drill (1) provided with a metal tube (10) including, along its longitudinal axis XX?, and at one of its ends, fixing elements (11) that cooperate with a device (2) for driving it in an oscillatory movement, while the other end includes a profile (12) with a succession of alternately concave and convex loops (13) ensuring the deformation of the profile along a radius of curvature r, and at least one series of teeth (15, 16) with cutting edges (17, 18).

Abstract: A multilayer structure incorporating at least one security element. The multilayer structure includes a substrate made of a thermoplastic material with at least one non-opaque region. The multilayer structure further includes an external layer. An internal layer is disposed between the substrate and the external layer. The external and internal layers are made of a thermoplastic material. An opening in the internal layer defines a security region. An insert having a non-opaque security element is at least partially disposed within the security region. The security element and the non-opaque region of the substrate at least partially overlap.

Abstract: A metallised film includes at least one reflective layer (14, 17) of printed metallised ink, wherein the layer (17) of printed metallised ink includes a hardened binder incorporating at least one charge of metallised particles exhibiting a reflective metallic appearance, and the charge of metallised particles includes particles in the general form of platelets exhibiting reflective faces, and wherein the layer (17) of printed metallised ink is applied in contact with a layer (14, 15) exhibiting a surface tension greater than 40 dynes/cm and a smooth surface quality of specular reflection greater than 50%, measured in accordance with standard ISO 2813 with an angle of 60°. A process for manufacturing this film is also described.

Abstract: The immobilization device for a connecting rod (2) in an osseous anchoring element (3) of a rachidian implant (4) comprises an osseous anchoring implant (3) comprising retaining means (14, 15) adapted to deform elastically under a pressure force F and a blocking element (5) comprising on the one hand lugs (33, 34) which coact with the retaining means (14, 15) to permit the securement of the blocking element (5) on the osseous anchoring element (3), and on the other hand, a tightening screw (31) permitting immobilizing in rotation and in translation the connecting rod (2) between the osseous anchoring element (3) and the blocking element (5).

Abstract: A flexible adhesive label for anti-falsification security includes a first flexible sheet (1) whose format corresponds at least substantially to that of the label, at least one antenna (2) for remote transmission and at least one microcircuit (8) all fixed to a first face (14) of the first sheet (1), a layer (15) of external adhesive covering the second face (18) of the first sheet (1), and suitable for allowing the adhesive label to be bonded to an official document. The first sheet (1) and each microcircuit (8) are covered with a second printable flexible sheet (12)—notably of paper—bonded by a layer of adhesive (13) onto the first face (14) and onto each microcircuit (8). The invention extends to an official document including at least one label according to the invention.

Abstract: The invention concerns a method and a film for transferring at least one mark on a substrate (10), each mark comprising an embossed and/or metallized pattern, said transfer film including a base film (1), a multilayer film supported by said base film (1), and comprising an optical layer (5), including an embossed and/or metallized image, a releasing layer (2) arranged between said base film (1) and said multilayer film (9) for enabling, during a transfer, said film (1) to be detached from said multilayer film (9), an adhesive layer (7) arranged opposite said releasing layer.

Abstract: A vertebral anchoring device including a polyaxial anchoring screw having a spherical head; a connecting rod; a connection element for receiving portions of the connecting rod; a clip having a pressure screw positionable to engage the connecting rod; and a connector installable on the spherical head for receiving the connecting rod. The connector includes a socket and a ring which co-act with one other about the spherical head of the screw in an installed orientation. The socket includes two portions bridged together at an upper level of the socket so that the two portions are positionable in a spaced apart orientation to enable the socket to be installed on the spherical head. Pressure of the pressure screw against the connecting rod bears the connecting rod against the ring which bears the ring against the spherical head of the screw.

Abstract: A surgical instrument includes: grip handles (2, 3) which are articulated to each other around a fulcrum pin (4) so that the jaws can be moved from an open position to a closed position; and connecting elements (5) which can be used to: (i) lock the handles (2, 3) in a determined, constant position when a first force is exerted on the handles; and (ii) unlock the handles (2, 3) when a second force is exerted on same.

Abstract: A method and a device for protecting text for reading (23), arranged on at least one written face (22) of an object (25). The object (25) is connected to at least one matching antenna (12), produced by printing on a support (11) and having at least one electromagnetic coupling zone (14) with an individual antenna of smaller dimensions. At least one security film (3), not provided with a matching antenna (12) but with at least one individual integrated antenna microcircuit called a microtransponder (7), is applied to cover the text for reading (23) for which authentication information may be delivered using the microtransponder (7).

Abstract: A method and a device for protecting text for reading (23), arranged on at least one written face (22) of an object (25). The object (25) is connected to at least one matching antenna (12), produced by printing on a support (11) and having at least one electromagnetic coupling zone (14) with an individual antenna of smaller dimensions. At least one security film (3), not provided with a matching antenna (12) but with at least one individual integrated antenna microcircuit called a microtransponder (7), is applied to cover the text for reading (23) for which authentication information may be delivered using the microtransponder (7).

Abstract: Each connector of the vertebral anchoring system for spinal fixation includes: a first element having parallel housings in cylinder portion receiving respectively the corresponding linking rod and a threaded hollow cylindrical sleeve extending vertically between the housings; a second element having parallel housings in cylinder portion receiving respectively the corresponding linking rod and a bore provided between the housings to be traversed by the cylindrical sleeve of the first element; a clamping nut co-operating with a male thread of the cylindrical sleeve of the first element for fixing the second element on the first and the linking rods in the housings; and clamping elements co-operating with the cylindrical sleeve of the first element for fixing each connector on the corresponding anchoring screw.

Abstract: A surgical instrument for removal of an immobilizing element includes a main body having a guide tube integral with a fixed handle and having elastic elements for securing the surgical instrument on the head, a locking tube sliding on the guide tube and having elements for immobilizing the surgical instrument on the head, a pusher tube sliding inside the guide tube by way of a mobile handle connected to the fixed handle. The pusher tube has first elements for spacing apart the walls of the head and second elements for immobilizing the connection rod in the base of the head of the bone-anchoring element, and a gripper rod sliding inside the pusher tube and including a gripper device for securing and removal of the immobilizing element from the head of the bone-anchoring element.

Abstract: The surgical instrument according to the present invention comprises a main body (101) comprising a horizontal tube (102) extending by a frame (103) that is formed as an integral unit with a fixed handle (104), a movable handle (105) acting on a driving device (108) guided within the frame (103) and allowing, according to the pressure force applied on the movable handle (105), firstly the immobilization of the surgical instrument (100) on the head (8) of the bone anchoring element (2) and secondly the introduction under the pushing force F of an immobilizing element (104), previously positioned and guided within the tube (102), in the head (8) of the bone anchoring element (2).