Abstract: The present disclosure provides for a bone screw that may include a first portion extending from a first end to a second end in a longitudinal direction, for example. The first portion may have a head that defines the first end and a shank that defines the second end. Additionally, the first portion may include a metallic material and/or be formed of a metallic material, for example Titanium. The second portion may be mechanically coupled to the first portion and surround the shank, for example the second portion is screwed to the first portion or the second portion may be directly formed to the first portion by an overmold process. The second portion may have an exposed thread pattern and an exposed leading tip. Additionally, the second portion may include a thermoplastic material and/or be formed of a thermoplastic material such as PEEK.

Abstract: A surgical instrument includes a body member and a leg having a first end integrated with and extending from the body member. A head cavity is in the leg portion to hold a head. A channel is formed along a longitudinal length of the leg. An elongated rocker assembly includes an elongated lever arm coupled within the channel about a fulcrum and a spring actuation. A projection of the arm projects in a direction of the head cavity. A rocker slide lock has a collar slidably coupled around the body member and having a first position located between the body member and the actuation tab, such that a portion of the collar is under the actuation tab to limit pivotal motion of the rocker assembly, and a second position having a clearance from under the actuation tab.

Abstract: Disclosed implants may include a first implant receiver and a second implant receiver each having an upper portion and a lower portion connected together by an arm portion, for example. In various embodiments, the upper and lower portions may define a longitudinal passageway extending through the upper and lower portions in a longitudinal direction of each implant receiver, and the arm portions may each define a rod passageway extending in a lateral direction, for example. In various embodiments, each receiver may include a crown having an outside thread pattern threadably engaged within the longitudinal passageway and for mating with a corresponding nut having a similar interior thread pattern. In various embodiments, a rod may extend in the lateral direction through the rod passageways In various embodiments, in a non-tightened position, the rod may freely move and in a tightened position, the arms constrain the rod from moving.

Abstract: A surgical instrument having a first member engageable with a first end of a fastener having a second end configured to penetrate tissue. A second member includes an expandable member configured for engaging the first end. Systems and methods are disclosed.

Abstract: The present disclosure provides for a bone screw formed of continuous fibers, for example. The bone screw may include a first portion having a cylindrical shape and extending in a longitudinal direction from a first end to a second end, for example. In various embodiments, the first portion may include a thermoplastic material and/or be substantially formed of a thermoplastic material. In various embodiments, the bone screw may include a second portion coupled to the first portion and surrounding the first portion, at least partly, for example. In various embodiments, the second portion may include a plurality of layers, each layer comprising a continuous fiber material, for example. In various embodiments, the continuous fibers may be oriented longitudinally, diagonally, helically, radially, etc. In various embodiments, the second portion may define an exposed thread pattern and a leading tip.

Abstract: The present disclosure provides for a bone screw that may include a first portion extending from a first end to a second end in a longitudinal direction, for example. The first portion may have a head that defines the first end and a shank that defines the second end. Additionally, the first portion may include a metallic material and/or be formed of a metallic material, for example Titanium. The second portion may be mechanically coupled to the first portion and surround the shank, for example the second portion is screwed to the first portion or the second portion may be directly formed to the first portion by an overmold process. The second portion may have an exposed thread pattern and an exposed leading tip. Additionally, the second portion may include a thermoplastic material and/or be formed of a thermoplastic material such as PEEK.

Abstract: A locking-cap module may include a locking-cap having a first connecting flange and a second connecting flange opposite the first connecting flange extending from a side surface of the locking-cap. The locking-cap may further include a first retaining rail and a second retaining rail opposite the first retaining rail. The locking-cap module may further include a set screw configured to engage with corresponding threads of the locking-cap. In some embodiments, the first connecting flange and second connecting flange are configured to engage with a connector such that the top surface of the locking-cap is flush with a top surface of the connector in an engaged position. In some embodiments, the set screw is initially coupled to the locking-cap by a pre-loaded connection. In some embodiments, a surgical tool is provided for rotating the locking-cap module into the engaged position.

Abstract: Systems, instruments, and methods for performing a medical procedure. The methods comprise: obtaining a surgical instrument that combines a head positioner and a driver into a single integrated part (the driver being at least partially inserted through an elongate aperture formed in the head positioner so as to extend from a proximal end of the head positioner to a distal end of the head positioner); using an actuable structure of the head positioner to limit an amount that the driver can linearly travel in a first direction within the elongate aperture formed in the head positioner; causing a screw to threadingly engage an object via rotation of the driver in at least a first direction around a central axis of the surgical instrument; and changing an orientation of a receiver via rotation of the head positioner about a portion of the driver.

Abstract: A locking-cap module may include a locking-cap having a first connecting flange and a second connecting flange opposite the first connecting flange extending from a side surface of the locking-cap. The locking-cap may further include a first retaining rail and a second retaining rail opposite the first retaining rail. The locking-cap module may further include a set screw configured to engage with corresponding threads of the locking-cap. In some embodiments, the first connecting flange and second connecting flange are configured to engage with a connector such that the top surface of the locking-cap is generally flush with a top surface of the connector when the locking-cap is in a locked position relative to the connector. In some embodiments, the set screw is initially coupled to the locking-cap by a pre-loaded connection. In some embodiments, an end user may visually verify that the locking-cap module is in the locked position.

Abstract: A system comprising surgical instruments of different types. Each surgical instrument includes a body member and a leg having a first end integrated with and a leg portion extending from the body member. The instrument includes a head cavity formed in a free end of the leg. The cavity holds a head. A channel is formed along a portion of a longitudinal length of the leg. The instrument includes an elongated rocker assembly pivotally coupled within the channel, with a spring actuation tab in proximity to the body member. The instrument includes a collar slidably coupled around the body member and having a first position located between the body member and the actuation tab such that a portion of the collar is under the actuation tab to limit pivotal motion of the rocker assembly and a second position of the collar has a clearance from under the actuation tab.

Abstract: A load sensing assembly for a spinal implant includes a set screw having a central opening that extends from a first end of the set screw toward a second end of the set screw. The second end of the set screw is configured to engage with an anchoring member. The load sensing assembly includes an antenna, an integrated circuit in communication with the antenna, where the integrated circuit is positioned within the central opening of the set screw, and a strain gauge in connection with the integrated circuit. The strain gauge is located within the central opening of the set screw in proximity to the second end of the set screw.

Abstract: A dual-sided rod bender for contouring a rod is disclosed. The rod bender may include a first handle and a second handle pivotably coupled together and extending in a longitudinal direction, respectively, from a proximal end to a distal end. A first side of the rod bender may include a first roller adjacent the distal end, a second roller adjacent the distal end, and a third roller disposed between the first roller and the second roller. A second side of the rod bender may include a fourth roller adjacent the distal end, a fifth roller adjacent the distal end, and a sixth roller disposed between the fourth roller and the fifth roller. The first side may be configured apply a first mechanical advantage to bend a rod and the second side may be configured to apply a second mechanical advantage to bend a rod.

Abstract: A load sensing assembly for a spinal implant includes a set screw having a central opening that extends from a first end of the set screw toward a second end of the set screw. The second end of the set screw is configured to engage with an anchoring member. The load sensing assembly includes an antenna, an integrated circuit in communication with the antenna, where the integrated circuit is positioned within the central opening of the set screw, and a strain gauge in connection with the integrated circuit. The strain gauge is located within the central opening of the set screw in proximity to the second end of the set screw.

Abstract: A spinal-surgery system having a rod receiver and/or a cap having a generally cylindrical body, a set of opposing splay-resisting flanges, and a set of opposing rotation-preventing/rotation-resisting wings. Each wing has a lateral rotation-preventing portion and a lateral rotation-resisting portion. A receiver proximal end forms a wing-receiving cavity having a lateral rotation-preventing side and a lateral rotation-resisting side. Each flange has a proximal-facing splay-resist surface, and a distal-facing pop-on surface. Each receiver proximal protrusion has a proximal-facing sloped receiver pop-on surface, and a distal-facing sloped receiver splay-resist surface. Each rotation-preventing portion contacts a corresponding rotation-preventing side and each rotation-resisting portion contacts a corresponding rotation-resisting sides when the cap is popped on. The rotation-preventing portions contacting the rotation-preventing sides prevents cap rotation in a first direction.

Abstract: A spinal-surgery system having a rod receiver and/or a cap. The cap has a cylindrical body, opposing splay-resisting flanges, and an opposing rotation-preventing/rotation-resisting wings, each wing having a lateral rotation-preventing surface and a lateral rotation-resisting surface. A receiver proximal end forms a wing-receiving cavity having a lateral rotation-preventing side and a lateral rotation-resisting side. Each flange has a proximal-facing cap splay-resist surface, and a distal-facing cap pop-on surface. Each receiver proximal protrusion has a proximal-facing sloped receiver pop-on surface, and a distal-facing sloped receiver splay-resist surface. Each rotation-preventing surface contacts a corresponding rotation-preventing side and each rotation-resisting surface contacts a corresponding rotation-resisting sides when the cap is popped on. The rotation-preventing surfaces contacting the rotation-preventing sides prevents cap rotation in a first direction.

Abstract: Disclosed implants may include a first implant receiver and a second implant receiver each having an upper portion and a lower portion connected together by an arm portion, for example. In various embodiments, the upper and lower portions may define a longitudinal passageway extending through the upper and lower portions in a longitudinal direction of each implant receiver, and the arm portions may each define a rod passageway extending in a lateral direction, for example. In various embodiments, each receiver may include a crown having an outside thread pattern threadably engaged within the longitudinal passageway and for mating with a corresponding nut having a similar interior thread pattern. In various embodiments, a rod may extend in the lateral direction through the rod passageways In various embodiments, in a non-tightened position, the rod may freely move and in a tightened position, the arms constrain the rod from moving.

Abstract: A spinal-surgery system having a rod receiver and/or a cap. The cap has a cylindrical body, opposing splay-resisting flanges, and an opposing rotation-preventing/rotation-resisting wings, each wing having a lateral rotation-preventing surface and a lateral rotation-resisting surface. A receiver proximal end forms a wing-receiving cavity having a lateral rotation-preventing side and a lateral rotation-resisting side. Each flange has a proximal-facing cap splay-resist surface, and a distal-facing cap pop-on surface. Each receiver proximal protrusion has a proximal-facing sloped receiver pop-on surface, and a distal-facing sloped receiver splay-resist surface. Each rotation-preventing surface contacts a corresponding rotation-preventing side and each rotation-resisting surface contacts a corresponding rotation-resisting sides when the cap is popped on. The rotation-preventing surfaces contacting the rotation-preventing sides prevents cap rotation in a first direction.

Abstract: A spinal-surgery system having a rod receiver and/or a cap having a generally cylindrical body, a set of opposing splay-resisting flanges, and a set of opposing rotation-preventing/rotation-resisting wings. Each wing has a lateral rotation-preventing portion and a lateral rotation-resisting portion. A receiver proximal end forms a wing-receiving cavity having a lateral rotation-preventing side and a lateral rotation-resisting side. Each flange has a proximal-facing splay-resist surface, and a distal-facing pop-on surface. Each receiver proximal protrusion has a proximal-facing sloped receiver pop-on surface, and a distal-facing sloped receiver splay-resist surface. Each rotation-preventing portion contacts a corresponding rotation-preventing side and each rotation-resisting portion contacts a corresponding rotation-resisting sides when the cap is popped on. The rotation-preventing portions contacting the rotation-preventing sides prevents cap rotation in a first direction.

Abstract: Disclosed spinal implants may include a rod extending in a horizontal direction and a first implant receiver having a first passageway extending in the horizontal direction and a first threaded passageway extending in a vertical direction, for example. Additionally, the implant may include a second implant receiver having a second passageway extending in the horizontal direction and a second threaded passageway extending in the vertical direction, for example. The implant may include a first set screw having a size and shape corresponding to a size and shape of the first threaded passageway and a second set screw having a size and shape corresponding to a size and shape of the second threaded passageway, for example. In some embodiments, the rod may extend in the horizontal direction through the first and second passageways and may be constrained from moving in the vertical direction by the first and second passageways, for example.

Abstract: A spinal implant includes a first member having an inner surface defining an implant cavity and at least one mating element. A second member includes a head and a shaft configured to penetrate tissue. The head includes at least one mating element engageable with the at least one mating element of the first member and a part. A third member includes an inner surface engageable with the part such that the members comprise a bone fastener having a selected movement. Systems, instruments and methods are disclosed.