A surgical nail includes a nail body that includes a proximal end, an elongate intermediate portion comprising an intermediate flexible portion, and a distal end. The proximal end includes a proximal head portion and is configured to couple to a washer. The proximal end and the distal end are coupled and offset from one another by the elongate intermediate portion. The intermediate flexible portion comprises at least two cables bonded one to another and configured to maintain a fixed length. The proximal portion and the threaded end portion can be coupled together by the intermediate flexible portion as a unitary, integrated element prior to any use of the surgical nail in an implant procedure. The intermediate flexible portion is configured to permit the proximal portion to bend at an angle relative to the distal portion as a unitary, integrated element.

A surgical tool including a socket having a housing and an aperture within the housing, the socket configured to receive a ball and a pin at least partially in the aperture. The ball is positioned at least partially in the socket and configured to rotate within the socket, the ball comprising an elongated opening extending through the ball. The pin is coupled to the socket and disposed at least partially in the socket on opposite sides of the socket, the pin including a first longitudinal axis and extending through the elongated opening of the ball between opposite sides of the socket. The ball is configured to partially rotate about the first longitudinal axis of the pin, and partially rotate, about a second axis perpendicular to the first longitudinal axis of the pin, in a plane aligned with the elongated opening.

An orthopedic surgical instrument for use in knee surgeries includes an elongated body, a pair of output shafts, and a user control. A first output shaft extends out from a first side of the body along a first output axis substantially perpendicular to a longitudinal axis of the elongated body. A second output shaft also extends out from the first side of the elongated body along a second output axis substantially perpendicular to the longitudinal axis of the elongated body. The user control is coupled to the elongated body near a first end and the first and second output shafts are situated near the second end of the elongated body. Each of the first output shaft and the second output shaft are configured to turn independent of one another in response to operation of the user control. Various joint distractors for use with the orthopaedic surgical instrument are also disclosed.

A torque limiter for a surgical screwdriver that includes an outer sleeve (1); a snap sleeve (3), which is arranged in and rotates with the outer sleeve; a rolling element cage (6), which is arranged in the snap sleeve; an inner sleeve (10), which is arranged in the rolling element cage; and a force-transmitting shaft (11), which is received in and rotates with the inner sleeve. The inner wall of the outer sleeve is provided with recesses (8) that extend parallel to a rotational axis of the force-transmitting shaft. The rolling element cage is provided with a plurality of rolling element receiving areas (5), each of which holds a rolling element (4), and with a number of noses (7), which engage into the recesses. The inner sleeve is provided with a plurality of notches (9), which extend in a V-shape parallel to the axis and which receive the rolling elements.

The present invention describes a dental insertion tool, comprising: an axle and an insertion element; wherein the axle comprises a axle attaching region; the insertion element comprises a attaching region of the insertion element; in which axle's attaching region and the insertion element's attaching region make the connection between the said axle and the said insertion element; the axle rotating the insertion element when connected; wherein the axle fixation region comprises a torque limiting element, which may be an shear pin and a hole located in the attaching region of the insertion element or a latch and spring lock set wherein the latch hooks in the internal grooves of the insertion element's attaching region.

Thus, one advantage of the present invention is the torque limiting element is configured in order to limit the torque applied to the implant, and then avoiding the possible damage that can be caused to the implant and the patient, preserving the implant even if a excessive torque is applied, depending on the type of application, implant and/or technique used.

The instant invention is directed to a universal bone screw screwdriver and in particular to a universal screwdriver that permits the removal of screws from bone plates that are manufactured by different manufacturers having distinct characteristics. The universal bone screw screwdriver is adapted to removably receive an elongated tool bit having a hollow center. The elongated tool bits correspond to the screw heads of different manufacturers and comprises a torque limiting and locking spring assembly to secure the elongated tool bit to the driver shaft and inhibit over-tightening of the bone screw into the bone or bone plate as the case may be.

A tool assembly includes a universal, intervertebral bone fusion spacer for insertion into a disc space between a first vertebral body and a second vertebral body and fusion of the first vertebral body to the second vertebral body via biological bone fusion and screw fusion, and a tool for manipulating and inserting the universal, intervertebral bone fusion spacer into the disc space between the first vertebral body and the second vertebral body to provide fusion of the first vertebral body to the second vertebral body via biological bone fusion and screw fusion.

A unique, universal Zero-Profile Expandable Intervertebral Spacer (ZP-EIS) device for fusion and distraction throughout the entire spine is provided which can be inserted via anterior, anterolateral, lateral, far lateral or posterior surgical approaches dependent on the need and preference. Multiple ZP-EIS embodiments each with unique mechanisms of calibrated expansion are provided. Two of these embodiments incorporate bi-directional fixating transvertebral (BDFT) screws and five other embodiments do not incorporate BDFT screws. A tool for implantation into the intervertebral device and calibrated device expansion is also disclosed.

Bone fixation system including methods, apparatus, and kits, for steering a leading end of a fastener within bone. In some embodiments, the system may include (a) a flexible fastener having an external thread, and (b) a guide including a graspable handle attached or attachable to a wire having a distal end portion with a preformed longitudinal curvature in a direction indicated by the handle. The wire may be extendable through the fastener and configured to be advanced longitudinally, while extending through the fastener, such that the distal end portion of the wire penetrates bone ahead of a leading end of the fastener and creates a curved travel path for the leading end of the fastener.

A handle for a tool is provided that is formed of a core positioned within a sleeve of a temperature resistant material to form a handle with a space between the core and the sleeve. The core can be formed by machining a metal material while the sleeve and an optional skin positioned on the sleeve can be molded. The materials forming the sleeve and skin, and the space formed between the core and sleeve, create a handle that can be adapted to form a variety of different tools with different mechanisms located in the core that also has improved heat transfer characteristics for sterilization purposes.