Abstract: Systems, methods, and devices are disclosed for surgical systems comprising an applicator having a first shaft, an implant having a first member pivotably and detachably coupled to the first shaft, and a second member for converting rotational motion of the implant to a translational offset, and at least one of a sensor for determining the offset or an indicator for indicating the offset, provided that the indicator is not a protrusion located at an end of the applicator. A controller may be provided, the controller being configured to receive offset data from the sensor, determine an angle of the implant in a patient using dimensions of the implant and the offset, and display a current position of the implant relative to patient anatomy. The applicator may have a second shaft slidably disposed on the first shaft along an axis defined by a longitudinal axis of the applicator.

Abstract: An expandable intervertebral total disc replacement implant, including an inferior component, including a first core including a first outer surface and a first inner surface, and a first arm telescopingly engaged with the first core, a superior component, including a second core including a second outer surface and a second inner surface, and a second arm telescopingly engaged with the second core, and an expansion mechanism connected to the first core, the second core, and at least one of the first arm and the second arm.

Abstract: A facet fusion tube assembly includes an elongated tube that defines a working channel to accept tools, instruments or materials for conducting a facet fusion. The tube includes a clip on its outer circumference that is configured to engage the outer surface of an adjacent tool or instrument used to access and engage the pedicle. A centering cap can be mounted at the proximal end of the elongated tube to align and center a working tool, such as a burring tool. An inner removable rod can extend through the tube to prevent soft tissue migration into the tube during insertion, and can be used for bone graft packing once the facet joint or other area of the spine is prepared for fusion. In use, the tube is clipped onto an adjacent instrument or tool to anchor the facet fusion tube assembly in a proper orientation relative to the facet joint.

Abstract: A favored angle screw assembly and a rod receiver body for a favored angle pedicle screw assembly. The favored angle screw assembly includes a pedicle screw and the rod receiver body. The rod receiver body includes a tubular wall having a first end with a first opening, a second end with a second opening, and a bore extending from the first opening to the second opening. The bore features a first bore section adjacent to the first opening, a second bore section adjacent the second opening, and a third bore section having a first end adjacent to the first bore section and a second end adjacent to the seat surface. The third bore section defines a transition surface that conforms to a side wall of an oblique three-dimensional shape.

Abstract: This disclosure relates generally to surgical instruments used to deliver locking or set screws to secure a rod or spinal fixation element relative to an implanted bone anchor or other spinal fixation construct during spine surgery. In one embodiment, the inserter instrument can include an inner driver shaft, a ratcheted outer sleeve, and a handle configured to receive the shafts therein. The inner driver shaft can receive a plurality of set screws on a distal end thereof. A side latch, pawl, or button can engage with the ratcheted outer sleeve to facilitate step-wise advancement of the sleeve relative to the driver shaft for set screw delivery. Step-wise advancement can be controlled using another button that causes movement of the side latch.

Abstract: Tether tensioning instruments, such as instruments used to tension and/or lock a tether about a spinal feature to assist in spinal fixation, and related methods and systems. In some embodiments, the instrument may comprise a handle, a tensioner base coupled with the handle, at least a portion thereof being movably coupled to the handle, and a tether coupling member coupled with the tensioner base and configured to fixedly engage a tether. The instrument may further comprise a tensioner tip movably coupled with the tensioner base, wherein at least a portion of the tensioner base is biased away from the tensioner tip, and wherein the instrument is configured to allow for step-wise movement of the tensioner tip away from the tensioner base to increase tension between the tether and an element of the spinal fixation system.

Abstract: Aspects of the disclosure relate to an adjustable implant configured to be implanted into a patient that includes an adjustable portion moveable relative to a housing. The adjustable implant may include various smart components for enhancing operation of the implant. Smart components may include a controller for managing operations and a transducer for communicating ultrasound data with an external interface device. Additional smart components may include a load cell within the housing for measuring an imparted load; a sensor for measuring angular position of the adjustable portion; a dual sensor arrangement for measuring imparted forces; a reed switch; a half piezo transducer; and an energy harvester.

Abstract: A device for expanding spacing between spinous processes includes a first supporter, a second supporter and a pin. The first supporter includes a first protrusion, a second protrusion opposing the first protrusion, and a first concave portion formed between the first protrusion and the second protrusion for supporting one spinous process. The second supporter includes a third protrusion, a fourth protrusion opposing the third protrusion, and a second concave portion formed between the third protrusion and the fourth protrusion for supporting another spinous process. The pin pivots the first supporter to the second supporter so as to provide the device an expansion state and a close state for removal and installation between two spinous processes. In addition, a method for expanding spacing between spinous processes is also provided.

Abstract: Bone attachment shim device composed of a biomaterial compatible with bone and provides an enhanced surface area on the outer surface of the device for engaging the bone, an enhanced surface area within the device for engaging the bone screw, and is composed of a partial shaft design which is greater than 180 but less than 270 degrees around when viewed in cross section. The device preferably has a biased tip for facilitating placement into bone tissue.

Abstract: A joint clamp for a surgical retractor system includes clamps, a cam bolt, and a cam lever. The cam bolt passes through the clamps. A cam lever comprising a cam head pivotally attached an upper portion the cam bolt to permit rotation between a locked position and an unlocked positions. The joint clamp may include springs which provide a scissors clamp of the clamps with a clip-on feature in which the scissors clamp may clipped-on and clipped-off an object such as a frame member, table post, or retractor handle. The springs may further prevent or reduce a rising movement of the clamps when the cam lever rotates from an unlocked state to a locked state.

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 lumbar process static and dynamic stabilization device includes: an upper arm configured to receive and be affixed to a first spinous process of one vertebrae; and a lower arm configured to receive and be affixed to a second spinous process of another vertebrae. The upper arm and the lower arm are pivotally connected, such that the upper arm and the lower arm can pivot relative to each other to transition the device to a desired orientation. At the same time, the device can be selectively locked into either a static configuration by a locking mechanism or allowed to move dynamically, such that the upper arm and the lower arm of the device are allowed to move relative to each other in response to manipulation of the portion of the lumbar spine on which the device is implemented.

Abstract: An assembly comprising a drive gear coupled to a shaft and a dial. The drive gear is configured to rotate along a first axis based on movement of the dial. The assembly includes a first linking member located along a second axis and configured to rotate about the second axis based on contact with the drive gear as the drive gear is rotated. The assembly includes a second linking member located along the second axis and configured to rotate about the second axis based on rotation of the drive gear and a coupling between the first linking member and the second linking member. The assembly includes a linking member selector configured to rotate about the first axis and for selecting at least a position corresponding to the first linking member that causes the coupling between the first linking member and the second linking member.

Abstract: A compressor-distractor device may be used during a surgical procedure, such as a surgical procedure to correct a bunion deformity. In some examples, the compressor-distractor includes first and second engagement arms having first and second pin-receiving holes, respectively. The first and second pin-receiving holes may be angled relative to each other. The compressor-distractor may also include an actuator operatively coupled to the first and second engagement arms. In some example uses, a clinician may pin a first surgical device to a patient's bones use a pair of parallel pins. After removing the surgical device over the parallel pins, the clinician may thread the parallel pins through the angled first and second pin-receiving holes of the compressor-distractor, causing the bones to move relative to each other. Thereafter, the clinician may actuate the actuator on the compressor-distractor to move the bones towards and/or away from each other.

Abstract: A low-profile offset-type spinal fusion device includes a first screw, a connection base, a nut and a compression part. The first screw has an external thread and a flange. The connection base includes a penetration part and a connection part disposed no higher than the penetration part, and can sleeve the first screw through a first hole of the penetration part to contact the flange with opposite ends of the first screw protruding out of the first hole. The nut, used to engage the first screw, has a bottom surface to contact against the penetration part. When the first screw is installed by penetrating the first hole, the nut and the flange are located to opposite ends of the first hole. The compression part is to screw into a cavity of the connection part for depressing a connecting bar tightly in the cavity.

Abstract: An external adjustment device for non-invasively adjusting an implant, the external adjustment device including a controller in communication with an actuator associated with the adjustable implant and a sensor configured to receive information from or about the adjustable implant. The external adjustment device may further comprise a power source and a display.

Abstract: An expandable intervertebral total disc replacement implant, including an inferior component, including a first core including a first outer surface and a first inner surface, and a first plurality of arms telescopingly engaged with the first core, a superior component, including a second core including a second outer surface and a second inner surface, and a second plurality of arms telescopingly engaged with the second core, and an expansion mechanism connected to the first inner surface and the second inner surface, the expansion mechanism operatively arranged to displace the superior component with respect to the inferior component.

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: An instrument includes an outer sleeve defining a passageway and extending along an axis between proximal and distal ends. A knob sleeve is positioned in the passageway and defines a bore and a sleeve cavity. A latch is positioned in the sleeve cavity. A shaft is positioned in the bore. An inner sleeve is positioned between the knob sleeve and the shaft. A proximal end of the inner sleeve defines a notch. The knob sleeve is movable relative to the outer sleeve to move the instrument between a first orientation in which the latch is positioned in the notch and the inner sleeve is prevented from translating along the axis and a second orientation in which the latch is spaced apart from the notch and the inner sleeve is translatable along the axis. Systems, implants and methods are disclosed.

Abstract: An instrument includes an outer sleeve and an inner sleeve positioned in the outer sleeve. The inner sleeve defines a cavity. The shaft extends through the inner sleeve and includes a drive. A latch is positioned in the cavity. An inner sheath extends through an outer sheath and has a proximal end positioned between the inner sleeve and the shaft and a distal end comprising a threaded surface. The proximal end of the inner sheath includes a groove. The inner sleeve is movable relative to the outer sleeve to move the instrument between a first orientation in which the latch is positioned in the groove and the sheaths are prevented from translating relative to the outer sleeve and a second orientation in which the latch is spaced apart from the groove and the sheaths are translatable relative to the outer sleeve. Systems, implants and methods are disclosed.