Abstract: A method for measuring a spinal implant comprises the steps of: providing a device including a gauge configured to measure an angle in a measuring plane and extending to an engagement surface; disposing the engagement surface with a first selected position of an implant or an anatomy, the first selected position being disposed at a first orientation; calibrating the gauge to a zero angle measurement at the first orientation; disposing the engagement surface with a second selected position of the implant or the anatomy, the second selected position being disposed at a second orientation; and measuring an angle of the second orientation relative to the first orientation such that the gauge determines the angle relative to the zero angle measurement. Various devices are disclosed.

Abstract: An implant connector comprises a first surface defining a first cavity configured for disposal of a first implant. A second surface defines a second cavity configured for disposal of a coupling member. A third surface defines a third transverse cavity configured for disposal of a second implant. The third surface includes a projection configured to engage the second implant in a provisional locking orientation. Methods of use are disclosed.

Abstract: A surgical instrument comprises a first member having a first surface defining a first cavity for disposal of a first implant. A distal end is configured to mate with a recess of a connector and defines a second cavity. A second member is configured for movable disposal in the second cavity. A third member is connected to the proximal end of the second member and the first implant. The second member is axially movable in a first direction to tension the first implant and in a second direction to release tension from the first implant. Methods of use are disclosed.

Abstract: A spinal correction system comprises an elongate member extending between a first end including a first inner surface defining a first cavity and a second end including a collar having a second inner surface defining a second cavity. The second cavity is movable relative to the elongate member in at least one orientation. The second end defining an elongated cavity. A first extender defines a first outer surface and a second extender defines a second outer surface. The elongate member is disposable between a first configuration and a second configuration such that the second cavity is movable in the at least one orientation to a position such that the first inner surface is forcibly disposable in a fixed engagement with the first outer surface and the interior surface is forcibly disposed in a fixed engagement with at least a portion of the collar. Methods of use are disclosed.

Abstract: A bone fastener comprises a proximal portion including an extension that includes an inner surface defining at least one projection. A pivoting member is moveable relative to the proximal portion. The pivoting member includes a first surface that defines an implant cavity with the inner surface of the proximal portion. A component is configured for disposal of the extension and includes at least one planar surface. A distal portion has a first end and a second end configured to penetrate tissue. The first end includes at least one planar surface configured to engage the at least one planar surface of the component. The proximal portion is rotatable relative to the distal portion in a first plane of a body and the pivoting member is rotatable relative to the proximal portion in a second plane of the body. Methods of use are disclosed.

Abstract: A provisional spinal rod comprises a body. A first arm extends between a first end and a second end connected to the body. The first arm is configured for attachment to a first vertebra. A second arm extends between a first end and a second end connected to the body. The second arm is configured for attachment to a second vertebra disposed in an orientation relative to the first vertebra. The second arm is rotatable about the body and relative to the first arm. A locking mechanism is coupled to the body. An insert is disposed between the locking mechanism and the second arm. The arms are relatively rotatable and selectively lockable with the locking mechanism and the insert in the orientation in a template configuration for an implant rod. Methods of use are disclosed.

Abstract: A bone fastener comprises a proximal portion including an inner surface that defines a cavity. A carrier is disposed in fixed engagement with the inner surface and includes at least one arm defining a proximal face. A pivoting member is disposed with the carrier. The pivoting member defines an implant cavity with the proximal portion. A distal portion defines a longitudinal axis and is configured to penetrate tissue. The bone fastener further includes a first coupling member. The proximal portion is rotatable relative to the distal portion in a first plane of a body and the pivoting member is rotatable relative to the proximal portion in a second plane. The first coupling member is engageable with the proximal face such that the carrier engages the distal portion to fix the bone fastener in an orientation. Methods of use are disclosed.

Abstract: A spinal connector assembly including a connector body defining first and second passages arranged transverse to one another and configured to receive respective portions of an implant and an elongate rod. A collet receives a portion of the implant therein and extends through the first passage with an upper portion extending axially beyond an upper side of the connector body and a lower portion extending axially beyond a lower side of the connector body. A washer is positioned annularly about the lower portion of the collet and beneath the connector body with a top side of the washer facing a lower side of the connector body and with one of the top and lower sides defining a convex surface and the other defining a concave surface.

Abstract: A bone fastener comprises a proximal portion including an inner surface that defines a cavity. A carrier is disposed in fixed engagement with the inner surface. A pivoting member is disposed with the carrier and relatively moveable therefrom. A distal portion defines a longitudinal axis and is configured to penetrate tissue. The proximal portion is rotatable relative to the distal portion in a first plane of a body and the pivoting member is rotatable relative to the proximal portion in a second plane of the body. Methods of use are disclosed.

Abstract: An implant assembly and a method of assembling the same are provided, the implant assembly including a receiver extending along a central longitudinal axis between a proximal end and an opposite distal end, the receiver including a distal portion defining a receptacle opening at the distal end and a pair of arms extending from the distal portion along the central longitudinal axis on opposite sides of a passage with the passage opening at opposite sides of the receiver, a bone anchor including a distal bone engaging portion and a head at a proximal end of the distal bone engaging portion, the head being positioned in the receptacle with the bone engaging portion in a selected orientation relative to the central longitudinal axis of the receiver and a connector member configured to form a rigid interface between the receiver and the head of the bone anchor thereby providing torque transfer throughout the implant assembly.

Abstract: A bone anchor assembly is provided, which may be used in cervical, thoracic, lumbar or sacral areas of the spine or other orthopedic locations. The anchor assembly includes a bone anchor, a receiver mounted to the bone anchor, a saddle within the receiver, and an engaging member. The receiver extends along a central longitudinal axis proximally away from the bone anchor. A rod or other elongated connecting element is received in a passage of the receiver in contact with the saddle, and the engaging member engages the connecting element against the saddle, which engages the saddle against the proximal head of the bone anchor in the receiver. The orientation of the saddle in the receiver is adjustable to correspond to the orientation of the connecting element relative to the central longitudinal axis of the receiver.

Abstract: A spinal rod system includes a first instrument extending between a proximal portion and a distal portion along a longitudinal axis thereof. The proximal portion defines an inner cavity extending along the longitudinal axis. The first instrument includes a first arm extending along the longitudinal axis. The first arm defines a portion of a vertebral construct cavity disposed in communication with the inner cavity and includes a distal end being configured to engage a bone fastener. Methods of use are disclosed.

Abstract: A bone anchor assembly is provided, which may be used in cervical, thoracic, lumbar or sacral areas of the spine or other orthopedic locations. The anchor assembly includes a bone anchor, a receiver mounted to the bone anchor, a saddle within the receiver, a spacer within the receiver, and an engaging member. The receiver extends along a central longitudinal axis proximally away from the bone anchor. A rod or other elongated connecting element is received in a passage of the receiver in contact with the saddle, and the engaging member engages the connecting element against the saddle, which engages the saddle against the spacer, which in turn engages the proximal head of the bone anchor in the receiver. The orientation of the saddle in the receiver is adjustable to correspond to the orientation of the connecting element relative to the central longitudinal axis of the receiver.

Abstract: A spinal connector assembly includes a connector body having a first receiver portion, a second receiver portion, and a threaded portion extending axially from the second receiver portion. A washer member coupled with the connector may rotate about the rotational axis and translate along the rotational axis. A lock member threadingly engages the threaded portion of the connector body to exert an axial force onto a second implant member to compress the second implant member within a channel in the washer member which in turn displaces the washer member into compressed engagement with a first implant member to thereby lock the washer member and the second implant member at a select angular orientation relative to the connector body, and the axial force also compresses the first implant member into clamped engagement within the first passage of the connector body.

Abstract: An orthopedic implant including a U-shaped head having a base and first and second legs extending therefrom and spaced apart from one another to define a U-shaped channel. The first and second legs each include a distal end and together define a distal opening in communication with the U-shaped channel. The first and second legs also together define an internal helical thread extending from the distal end toward the base and configured for threading engagement with a lock member. The first leg defines a starter thread turn proximately adjacent the distal end and having a thread profile substantially similar to a thread profile of primary thread turns proximal the starter thread turn. The second leg defines a non-threaded feature proximately adjacent the distal end that removes and is devoid of the starter thread turn. In one embodiment, the non-threaded feature comprises a substantially smooth and non-threaded surface extending proximally from the distal end of the second leg toward the base.

Abstract: A bone anchor compatible for use with a neural integrity monitoring system. The bone anchor includes a bone engaging portion configured for anchoring to bone and has at least one insulated region coated with a bone growth promoting material and at least one conductive region contiguous with the insulated region and having reduced electrical resistance relative to the insulated region.

Abstract: A spinal connector assembly includes a connector body having a first receiver portion defining a first passage for receiving a first implant member, a second receiver portion defining a second passage for receiving a second implant member, and a threaded portion extending axially from the second receiver portion. A washer member is rotationally coupled with the connector body to permit rotational movement about the rotational axis and translational movement along the rotational axis, and includes a transverse channel generally aligned with the second passage of the connector body.

Abstract: A spinal connector assembly including a connector body defining first and second passages arranged transverse to one another and configured to receive respective portions of an implant and an elongate rod. A collet receives a portion of the implant therein and extends through the first passage with an upper portion extending axially beyond an upper side of the connector body and a lower portion extending axially beyond a lower side of the connector body. A washer is positioned annularly about the lower portion of the collet and beneath the connector body with a top side of the washer facing a lower side of the connector body and with one of the top and lower sides defining a convex surface and the other defining a concave surface.

Abstract: An adjustable connector including first and second connector members rotationally coupled together and configured to receive first and second spinal rods, respectively. In one embodiment, the first connector member includes an elongated slot that receives the first rod and has a length extending along an axis arranged transverse to the rotational axis, and the second connector member includes a second passage that receives the second rod. A lock member is positioned between the connector members and includes an angled rod bearing surface extending along a plane oriented at an oblique angle relative to the rotational axis.

Abstract: A bone anchor assembly is provided, which may be used in cervical, thoracic, lumbar or sacral areas of the spine or other orthopedic locations. The anchor assembly includes a bone anchor, a receiver mounted to the bone anchor, a saddle within the receiver, and an engaging member. The receiver extends along a central longitudinal axis proximally away from the bone anchor. A rod or other elongated connecting element is received in a passage of the receiver in contact with the saddle, and the engaging member engages the connecting element against the saddle, which engages the saddle against the proximal head of the bone anchor in the receiver. The orientation of the saddle in the receiver is adjustable to correspond to the orientation of the connecting element relative to the central longitudinal axis of the receiver.