Abstract: An assembly for rectifying vertebrae, comprises: two bone anchoring means intended to be implanted on a same vertebra, a triangulation bar and a connection means for connecting the triangulation bar to each bone anchoring means and for holding the bone anchoring means in a given position in order to form, with the triangulation bar connected to the bone anchoring means by means of the connection means, a rigid triangular assembly, the triangulation bar comprising an attachment area for attaching a correction instrument arranged to ensure a rigid attachment in rotation and in translation of the correction instrument on the triangulation bar.

Abstract: The invention relates to an assembly (1) for positioning and positionally immobilizing an inflatable balloon (3) within a vertebral body, comprising an access piece (2) providing access to the vertebral body, which has a cannula and is of elongate shape, and an inflatable balloon (3) mounted at the end of a catheter (4) able to be connected to a fluid-delivery unit, the assembly comprising balloon (3) and catheter being designed to pass slidingly through the access piece (2), characterized in that the access piece (2) comprises means of anchorage in the vertebral body, the assembly further comprising means for positionally immobilizing the catheter provided with the balloon (3) on the access piece (2).

Abstract: An assembly for rectifying vertebrae, comprises: two bone anchoring means intended to be implanted on a same vertebra, a triangulation bar and a connection means for connecting the triangulation bar to each bone anchoring means and for holding the bone anchoring means in a given position in order to form, with the triangulation bar connected to the bone anchoring means by means of the connection means, a rigid triangular assembly, the triangulation bar comprising an attachment area for attaching a correction instrument arranged to ensure a rigid attachment in rotation and in translation of the correction instrument on the triangulation bar.

Abstract: The invention concerns an implantation assembly comprising a bone-anchoring element comprising a threaded rod provided at one of its ends with a head and an instrument for driving the bone-anchoring element, said instrument comprising a drive spindle removably premounted on the bone-anchoring element.

Abstract: A device to monitor penetration of an instrument in an anatomical structure including at least two electrodes, a source of current supplying the at least two electrodes, and means for measuring impedance between the electrodes, wherein the electrodes are located on the penetration instrument, wherein the first electrode has a contact surface coinciding with a distal surface of the penetration instrument and the second electrode has a contact surface coinciding with a lateral surface of the penetration instrument, and wherein the contact surfaces are dimensioned to have a coinciding and constant contact surface as a function of a degree of penetration of the penetration instrument in the anatomical structure.

Abstract: A vertebral anchor device comprising a bone anchor screw having a screw body and a screw head for coupling a link element to the screw body, the screw head being mounted to move on the screw body; the screw body comprising a threaded shank of a longitudinal axis AA for anchoring the screw body in a vertebra, and provided at one of its ends with a coupling head for coupling the screw body to the screw head; the screw head comprising a head body of a longitudinal axis BB and through which a channel passes longitudinally that is suitable for receiving, in the head body bottom portion, the coupling head; said vertebral anchor device further comprising assembly means for assembling together the coupling head and the screw head, the coupling head having a portion of cylindrical shape and of axis perpendicular to the threaded shank.

Abstract: A bone anchoring kit for fixing vertebrae via a posterior or postero-lateral approach, the bone anchoring kit comprising a bone anchoring element comprising a threaded portion intended to be inserted into a vertebra and a head portion coupled to the threaded portion and provided with a channel to receive a rod-type connecting element, a tube comprising a distal end, a proximal end and two opposite longitudinal slots opening to the proximal end of the tube, the tube and the bone anchoring element being placed into a sterile sealed packaging in a configuration in which the tube and the bone anchoring element are detachably coupled together with the slots of the tube faced to the channel of the head portion.

Abstract: An osteosynthesis system comprising anchoring screws, wherein at least one of the anchoring screws comprises a bone anchoring element with a longitudinal axis AA, comprising a threaded anchoring rod prolonged at the end by a coupling head and a screw head for coupling a connecting element to the bone anchoring element, wherein the screw, comprises a body with a longitudinal axis BB traversed longitudinally by a channel featuring in the lower portion a receiving cavity for receiving the coupling head of the anchoring element, at least one connecting element designed to interconnect the anchoring screws, means of tightening the connecting element on each anchoring screw, a means of straightening the bone anchoring element in relation to the screw head during tightening, wherein the means of straightening are arranged to straighten the threaded rod of the bone anchoring element and place the former in the longitudinal axis BB.

Abstract: Instrumentation for fixing at least two spinal vertebrae by pedicle screw type bone anchoring implants and connecting elements via the posterior or posterolateral approach has at least one bone anchoring element designed to be fixed to a vertebra, pre-mounted with a disposable mounting tube and a sterile sealed packaging. A kit of instruments for inserting or removing a spinal implant, has at least two threaded bone anchoring elements, a rod-type or plate-type connecting element mechanically connecting the bone anchoring elements and locking elements for locking the connecting element in position in relation to the anchoring elements, in order to perform all of the surgical procedures relating to the insertion or removal of the implant, all of the required instruments are disposable and packed in a sterile manner in one or several sealed packagings.

Abstract: A spinal device for carrying out a surgical procedure on vertebrae by a posterior or posterolateral approach, including at least one tube, at least one spinal screw capable of engaging with the proximal end of a tube, wherein the device also comprises a connection accessory, having means of reversible fastening to at least one of said tubes, said connection part being configured such as to keep at least one of said tubes in an open angular position.

Abstract: A handle for actuating a removable instrument formed by a rod extended by an active area, said rod extending in a longitudinal direction OX, said rod having at least one means for mechanically coupling with said handle, characterized in that said handle has a transverse insertion slot, symmetrical relative to a plane YOZ, wherein the axis OY is perpendicular to the longitudinal axis OX, said slot opening onto a surface of the handle and having a section corresponding to the section of the coupling area of said rod, in order to allow said coupling area to be inserted by way of a movement in a direction OY, until it butts against the bottom of said slot, said bottom extending in a plane parallel to the plane XOZ, wherein XOZ designates a plane perpendicular to the axis OY.

Abstract: A device for guiding a surgical instrument having one end for coupling to the head of a bone anchor element and a longitudinal channel, the head of the bone anchor element having a tapped longitudinal recess intended for receiving a screw cap, said longitudinal recess leading into a transverse channel capable of receiving a link rod, characterized in that said guiding device includes a rod for guiding the surgical instrument, with a longitudinal axis A, having one end comprising two semi-tubular tabs in which the outer section matches the inner section of said longitudinal recess and in which the inner section is at least equal to the diameter of the link rod, the cross-section of the guiding device being always smaller than the section of the longitudinal channel of the surgical instrument in order to allow the insertion and the removal of said device in the distal direction.

Abstract: A vertebral anchor device comprising a bone anchor screw having a screw body and a screw head for coupling a link element to the screw body, the screw head being mounted to move on the screw body; the screw body comprising a threaded shank of a longitudinal axis AA for anchoring the screw body in a vertebra, and provided at one of its ends with a coupling head for coupling the screw body to the screw head; the screw head comprising a head body of a longitudinal axis BB and through which a channel passes longitudinally that is suitable for receiving, in the head body bottom portion, the coupling head; said vertebral anchor device further comprising assembly means for assembling together the coupling head and the screw head, the coupling head having a portion of cylindrical shape and of axis perpendicular to the threaded shank.

Abstract: A bone anchoring kit for fixing vertebrae via a posterior or postero-lateral approach, the bone anchoring kit comprising a bone anchoring element comprising a threaded portion intended to be inserted into a vertebra and a head portion coupled to the threaded portion and provided with a channel to receive a rod-type connecting element, a tube comprising a distal end, a proximal end and two opposite longitudinal slots opening to the proximal end of the tube, the tube and the bone anchoring element being placed into a sterile sealed packaging in a configuration in which the tube and the bone anchoring element are detachably coupled together with the slots of the tube faced to the channel of the head portion.

Abstract: Instrumentation for fixing at least two spinal vertebrae by pedicle screw type bone anchoring implants and connecting elements via the posterior or posterolateral approach has at least one bone anchoring element designed to be fixed to a vertebra, pre-mounted with a disposable mounting tube and a sterile sealed packaging. A kit of instruments for inserting or removing a spinal implant, has at least two threaded bone anchoring elements, a rod-type or plate-type connecting element mechanically connecting the bone anchoring elements and locking elements for locking the connecting element in position in relation to the anchoring elements, in order to perform all of the surgical procedures relating to the insertion or removal of the implant, all of the required instruments are disposable and packed in a sterile manner in one or several sealed packagings.

Abstract: An osteosynthesis system comprising anchoring screws, wherein at least one of the anchoring screws comprises a bone anchoring element with a longitudinal axis AA, comprising a threaded anchoring rod prolonged at the end by a coupling head and a screw head for coupling a connecting element to the bone anchoring element, wherein the screw, comprises a body with a longitudinal axis BB traversed longitudinally by a channel featuring in the lower portion a receiving cavity for receiving the coupling head of the anchoring element, at least one connecting element designed to interconnect the anchoring screws, means of tightening the connecting element on each anchoring screw, a means of straightening the bone anchoring element in relation to the screw head during tightening, wherein the means of straightening are arranged to straighten the threaded rod of the bone anchoring element and place the former in the longitudinal axis BB.

Abstract: A surgical kit for fastening vertebrae via the posterior approach or via the posterolateral approach, comprising: at least one vertebral or pedicle screw, and a fitting tube co-operating with the screw; the fitting tube having two rigid branches, each of the two branches having, on the inside face of its proximal end, at least one shoulder; the kit further comprising a retractable securing insert for securing together the branches; wherein the screw head has at least two longitudinal extensions, extending in the distal direction, each of said extensions being configured to enable said screw head to be inserted into a space of complementary shape formed between the inside surface of the proximal end of one of the rigid branches and the outside surface of the proximal end of said retractable insert, when the retractable insert is fully engaged in the fitting tube.

Abstract: The invention concerns an implantation assembly comprising a bone-anchoring element comprising a threaded rod provided at one of its ends with a head and an instrument for driving the bone-anchoring element, said instrument comprising a drive spindle removably premounted on the bone-anchoring element.

Abstract: A bending machine with a cam made up of two articulated arms, comprising a main roller that is coaxial with the axis of articulation of the arms, the end of the short portion of each one of the arms having means for exerting a bending force on a rod, wherein the means are made up of eyelets, each one of the eyelets being mounted on the end of the short portion of one of the arms in a rotatably mobile manner about an axis parallel to the axis of the main roller.

Abstract: A device for guiding a surgical instrument having one end for coupling to the head of a bone anchor element and a longitudinal channel, the head of the bone anchor element having a tapped longitudinal recess intended for receiving a screw cap, said longitudinal recess leading into a transverse channel capable of receiving a link rod, characterised in that said guiding device includes a rod for guiding the surgical instrument, with a longitudinal axis A, having one end comprising two semi-tubular tabs in which the outer section matches the inner section of said longitudinal recess and in which the inner section is at least equal to the diameter of the link rod, the cross-section of the guiding device being always smaller than the section of the longitudinal channel of the surgical instrument in order to allow the insertion and the removal of said device in the distal direction.