Abstract: A patient-specific navigational guide for use in spinal surgery, comprising two tubular guiding members integral with a supporting frame and extending from a proximal opening to a distal opening for guiding a surgical operation on a patient's vertebra. The contact members are designed to mate with a corresponding plurality of contact areas on the patient's vertebra in order to define a unique coupling configuration of the patient-specific navigational guide on the patient's vertebra. Said contact members comprise at least one pair of a first main contact member, designed to abut, at least partially, on the upper articular process, or facet, of the patient's vertebra, and a pair of second main contact members, designed to abut on a contact area corresponding to the lamina of the patient's vertebra. Said tubular guiding members each have a slot extending from the proximal opening to the distal opening.

Abstract: An intervertebral fusion cage for the fusion of two vertebral bodies of the vertebral column comprises a first portion and a second portion opposite the first, both having a planar conformation axially elongated along a central axis. The first and the second portion have respective contact surfaces for receiving, in abutment, a respective vertebral body. The cage can also comprise a gripping area for connection with a positioning device. The first and the second portion are hinged to each other along a hinge axis so as to be able to rotate relatively in relation to each other with a continuous movement.

Abstract: A connection element between bars in a spinous reconstruction system comprising: a main body; at least a first and a second housing seat for a respective first and a second bar, arranged inside said main body; a tightening means for locking the first bar and the second bar in an operative position with respect to the main body, and for preventing relative movements between the first and said second bar, wherein the connection element comprises an interference means for at least restraining the free sliding of said first bar or said second bar inside the respective housing seat. Other aspects are described and claimed.

Abstract: Occipital-cervical fixation equipment comprising: an occipital plate able to be fixed to an occipital portion of the skull of a patient; at least two longitudinal lateral bars able to be arranged in a sagittal direction alongside the spinous processes of the vertebrae of the patient, each longitudinal lateral bar extending between an occipital end portion and a vertebral end portion; a first fixation means configured to fix the occipital end portion of each longitudinal lateral bar and the occipital plate; a second fixation means configured to fix the longitudinal lateral bars to a patient's vertebra; a transverse connector; the third fixation means configured to fix the occipital end portion of the longitudinal central bar to the occipital plate; and the fourth fixation means configured to fix the lateral end portions of the cross bar respectively to one of two longitudinal lateral bars. Other aspects are disclosed and claimed.

Abstract: A patient-specific navigational guide (1, 1?) for use in spinal surgery, comprises two tubular guiding member (2) extending from a proximal opening (2a) and a distal opening (2b) for guiding a surgical operation on a patient's vertebra (100, 100?). The two tubular guiding members are integral with a bearing frame (3) comprising at least five contact members (11, 15, 16) designed to match with a corresponding plurality of contact areas on the patient's vertebra (100, 100?) in order to define a unique coupling configuration of the patient-specific navigational guide (1, 1?) on the patient's vertebra (100, 100?).

Abstract: Patient-specific navigational guide (1) for use in spinal surgery, comprising two tubular guiding members (2) integral with a bearing frame (3) and extending from a proximal opening (2a) to a distal opening (2b) for guiding a surgical operation on a patient's vertebra (100); contact members (14, 15, 16) designed to match a corresponding plurality of contact areas (103, 102) on the patient's vertebra (100) in order to define a unique coupling configuration of the patient-specific navigational guide (1) on the patient's vertebra (100), wherein said contact members (14, 15, 16) comprise at east one pair of first main contact members (15), designed to abut on a contact area corresponding to the superior articular process (103) or facet of the patient's vertebra (100) and a pair of second main contact members (16), designed to abut at least partially on a contact area corresponding to the laminae (102) of the patient's vertebra (100).

Abstract: An occipital plate for occipito-cervical fixation, comprising: a substantially flat plate provided with at least one fixation area connectable to the skull of a patient and at least one pair of through slots extending length-wise away from each other; and at least one pair of clamps slidably constrained each in a respective slot to move along a medial-lateral adjustment direction and provided with respective seats for receiving a support bar, wherein each receiving seat has an opening for insertion of the respective support bar accessible laterally and longitudinally along an insertion direction substantially parallel to a lying plane of the plate. Other aspects are disclosed and claimed.

Abstract: A bone fixation device (1) comprises an elongated member (2) and a washer (3) assembled in a manner to prevent relative longitudinal displacement at the same time allowing axial rotation of the washer (3) with respect of the elongated member (2). The elongated member (2) comprises a proximal head (4) and an elongated shaft (5). The proximal head (4) comprises at least a distal spherical portion (8) having a diameter (D) and defining a maximum transversal dimension (Dh) of the proximal head (4). The washer (3) has a central cavity (14) configured to seat the proximal head (4) and comprising a central spherical portion (15) having the same diameter (D) of the distal spherical portion (8) of the proximal head (4). The central spherical portion (15) extends between a distal rim (16) and a proximal rim (17).

Abstract: A device may include an outer sleeve with a hollow interior, and an inner sleeve with a hollow interior to couple axially and slidingly. The outer sleeve may include an outer central body, an outer proximal end part and an outer distal end part integrally connected to one another, and an outer channel extending along the entire outer proximal end part and along a substantial portion of the outer central body. The inner sleeve may include an inner central body, an inner proximal end part and an inner distal end part integrally connected to one another, and an inner channel extending along the entire inner proximal end part and along a substantial part of the inner central body. The inner sleeve may include, in the inner proximal end of the inner sleeve, a lateral engagement element, and an axial engagement element for releasably engaging a surgical screw.

Abstract: A device for positioning an implant for intervertebral fusion, comprising: a handle; a rod protruding from the handle along a main direction of extension of the device up to a free end; a coupler which couples with an implant for intervertebral fusion operatively active at the free end; wherein said coupler comprises: an axial retention assembly provided with a gripper arranged at said free end of the rod and selectively operable between a clamping and a releasing configuration, and an anti-rotational constraint assembly selectively movable between a locking position, in which it is arranged around said axial retention assembly and abuts said implant to prevent its rotation, and a disengagement position, in which it leaves the implant free to rotate in the gripper; and wherein the axial retention assembly and the anti-rotational constraint assembly are structurally different and complementary.

Abstract: An intervertebral fusion cage for the fusion of two vertebral bodies of the vertebral column comprises a first portion and a second portion opposite the first, both having a planar conformation axially elongated along a central axis. The first and the second portion have respective contact surfaces for receiving, in abutment, a respective vertebral body. The cage can also comprise a gripping area for connection with a positioning device. The first and the second portion are hinged to each other along a hinge axis so as to be able to rotate relatively in relation to each other with a continuous movement.

Abstract: A fixing device is for a surgical anchor member. The fixing device may include a control component joined to a connecting portion, which is in turn connected to a shaft provided at one end with coupling units for connecting the fixing device to a fastening element suitable to couple with a respective fastening seat of a surgical anchor element. The fixing device may include a centering component for the coupling of the fastening member with the respective fastening seat of the surgical anchor member.

Abstract: A disposable guide device for spinal surgery comprises two tubular guide bodies extending along respective main axes between a proximal end and a distal end to guide a surgical operation on a vertebra of a patient, a plurality of support feet projecting laterally relative to each guide body, near said proximal end, each defining a contact area configured to abut on a side of the spinous process or on a lamina or facet or transverse process of the vertebra of the patient, in a mating configuration, at least one junction element extending between the guide bodies, starting from the respective distal ends, in order to space them from each other, wherein the guide bodies are oriented so that the proximal ends are more distant from each other with respect to the distal ends.

Abstract: A patient-specific navigational guide for use in spinal surgery, comprising two tubular guiding members integral with a supporting frame and extending from a proximal opening to a distal opening for guiding a surgical operation on a patient's vertebra. The contact members are designed to mate with a corresponding plurality of contact areas on the patient's vertebra in order to define a unique coupling configuration of the patient-specific navigational guide on the patient's vertebra. Said contact members comprise at least one pair of a first main contact member, designed to abut on a contact area corresponding to the lamina of the patient's vertebra, and a pair of a second main contact member, designed to abut, at least partially, on the upper articular process, or facet, of the patient's vertebra. Said tubular guiding members each have a slot extending from the proximal opening to the distal opening.

Abstract: A polyaxial screw for surgical implant comprising an axially hollow central body; an anchoring element having an anchoring portion and a coupling portion, said anchoring portion projecting from said central body and said coupling portion being received inside the axial cavity of said central body; an insert axially received inside said axial cavity of the central body and an attachment element suitable to couple internally to said central body, characterized in that said insert has an elastic portion able to apply to at least a portion of the anchoring element a distributed compression load the resultant force of which being directed along the central axis X.

Abstract: An intervertebral implant (100) for the fusion between two vertebral bodies of a vertebral column comprising: —a fusion cage (1), extending from a posterior side to an anterior side, adapted to be interposed between two adjacent vertebral bodies of a patient; —an asymmetrical fixing plate (2), attached to the fusion cage (1) and having a plurality of passageways (16; 7) for the insertion of bone screws on a single side.

Abstract: Occipital-cervical fixation equipment comprising: an occipital plate able to be fixed to an occipital portion of the skull of a patient; at least two longitudinal lateral bars able to be arranged in a sagittal direction alongside the spinous processes of the vertebrae of the patient, each longitudinal lateral bar extending between an occipital end portion and a vertebral end portion; a first fixation means configured to fix the occipital end portion of each longitudinal lateral bar and the occipital plate; a second fixation means configured to fix the longitudinal lateral bars to a patient's vertebra; a transverse connector; the third fixation means configured to fix the occipital end portion of the longitudinal central bar to the occipital plate; and the fourth fixation means configured to fix the lateral end portions of the cross bar respectively to one of two longitudinal lateral bars. Other aspects are disclosed and claimed.

Abstract: A device for reconstructing a spinous process, the device comprising a main portion having at least a first engaging hole; one fixing bar transversely insertable into the engaging hole; and said main portion having at least one through-seat for inserting ligaments to be reconstructed. Other aspects are disclosed and claimed.

Abstract: An occipital plate for occipito-cervical fixation, comprising: a substantially flat plate provided with at least one fixation area connectable to the skull of a patient and at least one pair of through slots extending length-wise away from each other; and at least one pair of clamps slidably constrained each in a respective slot to move along a medial-lateral adjustment direction and provided with respective seats for receiving a support bar, wherein each receiving seat has an opening for insertion of the respective support bar accessible laterally and longitudinally along an insertion direction substantially parallel to a lying plane of the plate. Other aspects are disclosed and claimed.

Abstract: A connection element between bars in a spinous reconstruction system comprising: a main body; at least a first and a second housing seat for a respective first and a second bar, arranged inside said main body; a tightening means for locking the first bar and the second bar in an operative position with respect to the main body, and for preventing relative movements between the first and said second bar, wherein the connection element comprises an interference means for at least restraining the free sliding of said first bar or said second bar inside the respective housing seat. Other aspects are described and claimed.