Abstract: A medical implant (1) designed to enable bony fusion between a first bone (20) and a second bone (21), said implant being in the form of an elongate part comprising, extending along the longitudinal axis of the part, a head (2) and a body (3) spaced apart from each other by a connection zone (4) connecting the head (2) to the body (3), said head (2) being suitable for being inserted into the first bone (20), said body (3) being suitable for being inserted into the second bone (21), said body (3) being a hollow body that is slotted longitudinally along at least a portion of its length in order to define at least three elastically deformable longitudinal tabs (5) by means of which said body (3) is suitable for being inserted into the second bone (21). Each longitudinal tab (5) of the body (3) is an arcuate tab (5) that presents an outer face (6), i.e.

Abstract: A T-shaped plate for osteosynthesis, has at least three first attachment holes (124) and second attachment holes (113) including a curved linkage area (13). The epiphysis portion has a recess (34) with a curved profile from one end to the other of the T-bar when viewed from the top, and a curved profile when viewed from the side, and the diaphysis portion is straight and rigid. The plate is non-deformable at normal temperatures. The leg of the T has a rounded inner surface (56). The linkage area (13) has an S-shaped longitudinal cross-section, the ends (132, 133) of which that are adjoined with the bar and leg of the T, respectively, are substantially parallel to one another.

Abstract: A medical implant (1) designed to enable bony fusion between a first bone (20) and a second bone (21), said implant being in the form of an elongate part comprising, extending along the longitudinal axis of the part, a head (2) and a body (3) spaced apart from each other by a connection zone (4) connecting the head (2) to the body (3), said head (2) being suitable for being inserted into the first bone (20), said body (3) being suitable for being inserted into the second bone (21), said body (3) being a hollow body that is slotted longitudinally along at least a portion of its length in order to define at least three elastically deformable longitudinal tabs (5) by means of which said body (3) is suitable for being inserted into the second bone (21). Each longitudinal tab (5) of the body (3) is an arcuate tab (5) that presents an outer face (6), i.e.

Abstract: A kit of the type including at least an implant (1), a gripper (2) for gripping the implant (1), and a storage element (7) for storing the gripper (7) and its associated implant (1), the storage element (7) including at least one reception location (71) for receiving the gripper (2) and its associated implant (1), and a tracer element (8) for tracing the implant (1). The tracer element (8) is sandwiched between the gripper (2) and the storage element (7), when the gripper (2) and its associated implant (1) are in their stored state in a reception location (71) of the storage element (7).

Abstract: A kit includes: an implant having a distal end for inserting the implant into the body; and a gripper in the form of a hollow elongate body that is open at at least one end, that is slotted longitudinally, and made, at least partly, of an elastically-deformable material, the slot opening out into the axial cavity of the body, inside which the implant is suitable for insertion, with its distal end projecting from the “distal” end of the body. The kit includes at least one reception sheath for receiving the distal end of the implant in order to separate the implant from its gripper by moving the sheath and the gripper relative to each other in the direction that breaks the alignment between them, the sheath has a bearing seat against which the implant bears both when the implant is inserted in the sheath, and when separated from its gripper.

Abstract: A kit of the type including at least an implant (1), a gripper (2) for gripping the implant (1), and a storage element (7) for storing the gripper (7) and its associated implant (1), the storage element (7) including at least one reception location (71) for receiving the gripper (2) and its associated implant (1), and a tracer element (8) for tracing the implant (1). The tracer element (8) is sandwiched between the gripper (2) and the storage element (7), when the gripper (2) and its associated implant (1) are in their stored state in a reception location (71) of the storage element (7).

Abstract: A kit includes: an implant having a distal end for inserting the implant into the body; and a gripper in the form of a hollow elongate body that is open at at least one end, that is slotted longitudinally, and made, at least partly, of an elastically-deformable material, the slot opening out into the axial cavity of the body, inside which the implant is suitable for insertion, with its distal end projecting from the “distal” end of the body. The kit includes at least one reception sheath for receiving the distal end of the implant in order to separate the implant from its gripper by moving the sheath and the gripper relative to each other in the direction that breaks the alignment between them, the sheath has a bearing seat against which the implant bears both when the implant is inserted in the sheath, and when separated from its gripper.

Abstract: A T-shaped plate for osteosynthesis, has at least three first attachment holes (124) and second attachment holes (113) including a curved linkage area (13). The epiphysis portion has a recess (34) with a curved profile from one end to the other of the T-bar when viewed from the top, and a curved profile when viewed from the side, and the diaphysis portion is straight and rigid. The plate is non-deformable at normal temperatures. The leg of the T has a rounded inner surface (56). The linkage area (13) has an S-shaped longitudinal cross-section, the ends (132, 133) of which that are adjoined with the bar and leg of the T, respectively, are substantially parallel to one another.

Abstract: The osteosynthesis device includes a plate for pressing against a bone and at least one threaded rod for holding the plate on the bone, the rod presenting a first thread for anchoring the rod in a bone and a second thread for co-operating with a tapped thread formed in the plate, the device being characterized in that the thread root of the second thread defines a body of cylindrical shape and in that the thread crest of the second thread defines a truncated cone.

Abstract: The device includes a support structure (2) having an orifice (3) that delimits a seat (5) for receiving a nut (6) intended to cooperate with a locking screw (4). The seat (5) comprises an upper part (5a) and a lower part (5b), both shaped as truncated spheres and concentric to each other. Furthermore, the nut (6) has a spherical contour (11), and the screw head (15) has a lower part (15b), also with a spherical contour, and an upper part (15a) provided with a thread (17). The upper (15a) and lower (15b) parts of the screw head (15) cooperate respectively with the complementary thread (14) of the nut (6) and with the lower part (5b) of the receiving seat (5) such that, in the final phase of screwing the spherical contour (11) of the nut (6) bears against the upper spherical part (5a) of the seat (5), and of the lower part of the screw head (15b) against the lower spherical part (5b) of the seat (5).

Abstract: The invention relates to an implantable orthopaedic device, in particular for the cervical spine, of the type formed by a support plate (2) provided with at least one orifice (3) for passage of a fixing screw (4), which orifice (3) is provided with locking means comprising a slotted metal ring (8) accommodated in a receiving groove (5) on the circumference of said orifice (3) of the plate and intended to cooperate with an annular channel (10) formed in the screw head (4a). According to the invention, the annular chamber (10) of the screw head (4a) is framed by an end of male spherical contour (11?) and by a truncated annular protuberance (12). This end of male spherical contour (11?) is designed to cooperate with the complementary female spherical contour (7a?) formed on the upper flange (7a) of the plate groove (5).

Abstract: This osteosynthesis device is of the type comprising: a support provided with a through-orifice, at least one part of the height of which is threaded, and an anchoring rod having a threaded part forming a screw, the thread of said threaded part being complementary to that of said support orifice, in order to hold said rod on said support by screwing, said support and said rod furthermore including complementary bearing surfaces. The protruding ends of the screw threads and support threads are truncated in such a way that the difference between the outside screw diameter and the flank diameter is between 5 and 70% of the difference between the nominal diameter and the flank diameter, and the difference between the flank diameter Df and the core diameter is between 5 and 70% of the difference between the flank diameter and the root diameter.

Abstract: The device according to the invention, for reducing a fracture, in particular a fracture at bone epiphyses, comprises: an osteosynthesis plate with an elongated body part prolongated by a single-piece head part, said head part including at least some orifices adapted for “poly-axial” assembly of fastening screws, a targeting guide type device fitted with through-orifices adapted for acting as a guide to said fastening screws, means for drilling orifices with a set of suitable drill bits, a first drilling guide suitable to cooperate with one of said orifices of the plate head, to allow the drilling into the bone of a pre-drill-hole by a “poly-axial” type technique, and a second drilling guide adapted for co-operating with one of the orifices of said targeting guide positioned on said plate head so as to enable the realisation of a pre-drill-hole in the bone by a “mono-axial” type technique.

Abstract: This implantable orthopedic device comprises a support structure (2) provided with an orifice (3) delimiting a receiving housing (5) for a nut (6) intended to cooperate with a fixing screw (4). The housing (5) comprises an upper part (5a) and a lower part (5b), both parts being generally truncated sphere shaped and concentric to each other. On the other hand, the nut (6) comprises a peripheral contour (11) and the screw head (15) comprises a lower part (15b), also having a spherical contour, as well as an upper part (15a) provided with a thread (17).

Abstract: The invention relates to an implantable orthopaedic device, in particular for the cervical spine, of the type formed by a support plate (2) provided with at least one orifice (3) for passage of a fixing screw (4), which orifice (3) is provided with locking means comprising a slotted metal ring (8) accommodated in a receiving groove (5) on the circumference of said orifice (3) of the plate and intended to cooperate with an annular channel (10) formed in the screw head (4a). According to the invention, the annular chamber (10) of the screw head (4a) is framed by an end of male spherical contour (11?) and by a truncated annular protuberance (12). This end of male spherical contour (11?) is designed to cooperate with the complementary female spherical contour (7a?) formed on the upper flange (7a) of the plate groove (5).

Abstract: The device according to the invention, for reducing a fracture, in particular a distal radius fracture, comprises: an osteosynthesis plate with an elongated body part prolongated by a single-piece head part, said head part including orifices adapted for “poly-axial” assembly of fastening screws, a guiding block type device fitted with through-orifices adapted for acting as a guide to said fastening screws, means for drilling orifices with a set of suitable drill bits, a first drilling guide whereof the threaded insert adapted for being screwed in one of the nuts of the plate head, the latter being deprived of the guiding block, to enable the realisation of an drill-hole in the bone by a “poly-axial” type technique, and a second drilling guide adapted for co-operating with one of the orifices of said guiding block positioned sur said plate head so as to enable the realisation of a drill-hole in the bone by a “mono-axial” type technique.

Abstract: An orthopedic device having a support structure provided with at least an orifice for a fixing screw associated with a nut; the head of the screw to be pressed on one side of the support, and the nut adapted to be pressed on the other side of the support, in a housing enabling its being integrated at least partly, so as to enable the support structure to be clamped between the screw head and the nut when the screw body has been completely screwed in the receiving bone material. The implantable device includes elements for maintaining the nut in its housing opposite the orifice, and elements for locking the nut in rotation. The contours of the housing and of the nut are dimensioned to provide at least one degree of freedom to the nut in the housing enabling self-centering of the screw and nut.

Abstract: The subject of the invention is an osteosynthesis device comprising a plate (2) provided with screw holes and screws (3), characterized in that at least one of the screw holes (4) is shaped so as to form a tool (5) that will form a helical groove on the proximal part (6) of a screw (3).

Abstract: An orthopedic device having a support structure provided with at least an orifice for a fixing screw associated with a nut; the head of the screw to be pressed on one side of the support, and the nut adapted to be pressed on the other side of the support, in a housing enabling its being integrated at least partly, so as to enable the support structure to be clamped between the screw head and the nut when the screw body has been completely screwed in the receiving bone material. The implantable device includes elements for maintaining the nut in its housing opposite the orifice, and elements for locking the nut in rotation. The contours of the housing and of the nut are dimensioned to provide at least one degree of freedom to the nut in the housing enabling self-centering of the screw and nut.