A bone screw fixation system includes a bone screw body having a screw head at one end of the screw and a screw tip at an opposite end of the screw, the screw head having an internal complex geometric shaped drive and internal threads within the screw head; and a screw inserter compatible with the screw head and having a complex geometric shaped drive configured to matingly engage the internal complex geometric shaped drive of the screw head and a threaded tip configured to thread into the internal threads of the screw head.

Telescopic nail (2) for the treatment of fractures or deformations of long bones, as for example in the case of osteogenesis imperfecta or pseudo-arthrosis. comprising: a hollow stem (2); a rod (10) telescopically inserted into said hollow stem (2); a first fastening element (20) coupled to an end of said hollow stem (2) for fixing to a first long bone end; a second fastening element (30) coupled to an end of said rod (10) for fixing to a second long bone end.

Advantageously, one end of said hollow stem (2) is provided with coupling means (40) for coupling to an end of a tool which can be inserted into a cavity formed in the bone for insertion of the nail.

A surgical technique can be performed utilizing a detachable driver-implant system and comparatively small surgical incision. The clinician can make an incision through the skin of the patient and retract the skin along the incision to expose a first bone region. The clinician can insert an implant into one or more bone portions using a detachable driver-implant system and then detach the driver, leaving the implant in the one or more bone portions. The clinician can reposition the skin of the patient at least partially over the end of the implant to expose a second bone region not exposed while the first bone region was exposed. After optionally performing one or more surgical steps on second bone region, the clinician can reposition the skin to again expose the first bone region. The clinician can then reattach the driver to the implant and remove the implant from the bone portions.

An anterior cervical plate system is provided. The cervical plate includes a retention ring with a deflectable flange that is upwardly spaced from the top surface of the ring and configured to prevent an inserted bone fastener from backing out of the plate. The plate includes a locking pin having a camming surface and a blocking surface. When the camming surface is moved into position adjacent to the flange, the flange is free to flex out of the way of a bone screw being inserted into or removed from the plate. When the blocking surface is positioned adjacent to the flange, outward deflection of the flange is prevented to retain the bone screw inside the plate. The locking pin is rotated through a camming surface to bring a blocking surface against the flange deflecting the flange onto the head of the bone screw.

A surgical screw for fixation into bone or soft tissue. The surgical screw includes a cannulated body having a proximal end and a distal end. The distal end of the cannulated body has a tapered tip and a plurality of threads extend around the exterior of the cannulated body. An introducer extends distally from the tapered tip and has a diameter (which can be variable or constant) which is less than a diameter of the tapered tip. The surgical screw is cannulated such that a channel extends through the body from the proximal end to (and sometimes through) the distal end.

A monolithic tissue screw fabricated of a single, unitary piece of material. The monolithic tissue screw has a helical coil portion and screw head portion with a driver aperture passing axially through the screw head portion and a co-axial with the helical coil portion such that a rotational torsional force applied by a mating driver to the driver aperture causes the helical coil portion to rotate about its axis. The helical coil portion engages tissue and draws the helical coil and the screw head portion into the tissue substantially only with the application of the rotational torsional force and substantially without an axial force applied to the tissue screw.

A surgical fastener manipulation tool in accordance with embodiment of the present invention is useful by a surgeon to place fasteners such as threaded screws. The surgical fastener manipulation tool selectively engages a mating structure of fastener for securing the fastener thereto. Thus, advantageously, the surgical fastener manipulation tool can be used for placing such fasteners and/or can be used for extracting (i.e., removing) such fasteners. The ability to extract a fastener (e.g., a threaded bone screw) with the same tool used for placing it is highly beneficial due to time savings during a surgical procedure and is advantageous with respect to prior art fastener manipulation tool configurations that require placement and extraction tools to be differently configured.

Instruments and methods for delivering bone cement are disclosed herein. In one exemplary embodiment, the instrument includes a cannulated bone screw having a head that is configured to be received within a rod receiver and a shank extending distally from the head and configured to extend distally from the rod receiver, a cannulated shaft having a distal end configured to extend into the shank of the cannulated bone screw and a proximal end configured to couple to a bone cement delivery system, and a retaining sleeve disposed around at least a portion of the cannulated shaft. The head of the bone screw has proximal and distal recesses therein, and a distal end of the retaining sleeve is configured to couple to the proximal recess.

A receiver assembly includes a receiver having a first channel, a through-space with internal recesses beneath a guide and advancement structure, and internal ridges projecting inwardly below the internal recesses. The assembly also includes an insert having a second channel, side structures protruding laterally outward below top surfaces, and opposed lower extensions extending downwardly below the second channel, with the insert being loadable into the through-space with the second channel in non-alignment with the first channel. The insert is the non-threadably rotatable within the through-space to align the second channel with the first channel and to move the side structures into the internal recesses above the internal ridges, with subsequent downward displacement of the insert within the through-space causing the opposed lower extensions to engage the capture head of a bone anchor with a frictional engagement that inhibits the bone anchor from moving upward within the through-space.

A bone anchor having a rod housing including a base that has an internal groove oriented at an angle oblique to the longitudinal axis of the base, a capture ring situated within the groove and oriented at an angle oblique to the longitudinal axis, and a bone fastener extending into the rod housing and including a fastener head situated within the base and having a surface that mates with the capture surface of the capture ring to maintain a connection between the bone fastener and the rod housing.