Abstract: A system for preventing relative motion between bones or sections of bone, for example, an ilium and a sacrum. The system includes an insertion tool and an implant. The implant includes a trunk, a distal anchor, a proximal anchor, and a stem coupled to the trunk. A driver of the insertion tool receives an input for a drive shaft of the insertion tool to draw the stem proximally such that the trunk is drawn towards the insertion tool. The drawing of the trunk and engagement of first and second engagement features is configured to deploy the proximal anchor outwardly. The distal anchor may be an expandable member, and the implant may define a bore extending through the proximal anchor for the distal anchor to receive injectable material. The system may be cannulated such that the insertion tool and the implant may be directed over a guidewire to position the implant.

Abstract: A kit for preparing an intervertebral disc space for receiving an implant (100) includes a plurality of trials (152) having different sizes. Each trial (152) includes a body (154) insertible into an intervertebral disc space, the body (154) having a leading end (162), a trailing end (164), a top surface (156) and a bottom surface (160), the top surface of the body having a first groove (176) formed therein. Each implant also includes a flange (166) secured to the trailing end (164) of the body (154), the flange (166) having a first channel (180) aligned with the first groove (176), wherein each of the different sized trials has a different flange thickness. The flange thickness controls advancement of a cutting tool such as a chisel (192) into the first groove at the top surface of the trial body, which controls the depth of the cut into vertebral bone.

Abstract: A clamp for an external fixator, preferably of the quick attachment type comprises at least one first attachment provided with at least one bar housing seat for a bar of the external fixator and/or with at least one screw housing seat for a bone screw; at least one second attachment provided with at least one bar housing seat; a connector which, in a tightened configuration, passes through said first attachment and said second attachment locking the bars and/or bone screws within the bar housing seats and/or the screw housing seats; and which, in an open configuration, frees the entrance to at least the bar housing seat of said second attachment; and auxiliary connection means between said first attachment and said second attachment which are active in said open configuration.

Abstract: A pivotal bone anchor assembly includes a pre-assembled receiver assembly and a bone anchor with a capture portion uploadable into the receiver assembly through a lower opening. The receiver assembly includes a receiver defining a channel for receiving a rod and an axial bore having a recess and a spherical seating surface above the lower opening. The receiver assembly also includes a retainer operable to capture the capture portion within the axial bore with the bone anchor extending downward through the lower opening, and a pressure insert having an upper surface operable to engage the elongate rod and a lower surface operable to engage the capture portion. The receiver assembly further includes a pair of opposed, semicircular-shaped shaped biasing members in overlapping engagement with the pressure insert and configured to bias the pressure insert against the capture portion to provide a pre-lock friction fit for the pivotal bone anchor assembly.

Abstract: An implantable, elongated fixation rod that, when coupled to a spinal column in a living patient, stabilizes a portion of the spinal column. The elongated fixation rod includes a plurality of different rod regions formed from surgical stainless steel that are aligned along a longitudinal axis of the elongated fixation rod. The different rod regions include different dimensions tailored to provide the different rod regions with different rigidities specific to support regions of the spinal column where the elongated fixation rod is to be installed. A smooth transition region at least 5 mm in length is integrally formed as part of a common monolithic structure with the different rod regions, and is devoid of a full, sharp step that forms a 90° angle relative to the longitudinal axis of the elongated fixation rod and separates the different rod regions along the longitudinal axis of the fixation rod.

Abstract: A joint spacer for therapeutically maintains separation of bones of a joint. A frame defines a longitudinal axis extending between distal and proximal ends. A carriage is slideably retained within the frame and has at least one ramped surface and a threaded portion. An actuator screw is threadably engaged with the threaded portion, and bears against said frame to cause the carriage to slideably move within the frame when the actuator screw is rotated. A first endplate engages a bone of the joint, and has at least one ramped surface that is mateable with the ramped surface of the carriage.

Abstract: A digitizer pointer is provided as part of a system for correcting a curvature or deformity in a patient's spine based on the digitized locations of implanted screws and tracking the placement of the rod as it is placed in a minimally invasive fashion. The digitizer pointer includes an offset adjustment feature, a swivel feature, and a translation feature.

Abstract: A multi-portal method for treating a subject's spine includes distracting adjacent vertebrae using a distraction instrument positioned at a first entrance along the subject to enlarge an intervertebral space between the adjacent vertebrae. An interbody fusion implant can be delivered into the enlarged intervertebral space. The interbody fusion implant can be positioned directly between vertebral bodies of the adjacent vertebrae while endoscopically viewing the interbody fusion implant using an endoscopic instrument. The patient's spine can be visualized using endoscopic techniques to view, for example, the spine, tissue, instruments, and implants before, during, and after implantation, or the like. The visualization can help a physician throughout the surgical procedure to improve patient outcome.

Abstract: This disclosure describes example embodiments of rod reduction instrumentation and other rod and vertebrae manipulation instruments. The rod reducers can be used during the installation of a rod based surgical fixation system to help urge the rod into the fixation anchors. The reducers described provide various configurations delivering large reduction distance capabilities, strong controlled reduction coupled with an ability to quickly advance the reducer if desired, and reduction of bulk through the surgical corridor.

Abstract: Embodiments of a rotating assistant port device are presented. The assistant port device can be utilized to provide for additional assistant instruments in single port robotic surgery. In some embodiments, the assistant port device can be utilized for skin retraction during single port teleoperated robotic surgery.

Abstract: The invention primarily relates to fastening and stabilizing tissues, implants, and/or bondable materials, such as the fastening of a tissue and/or implant to a bondable material, the fastening of an implant to tissue, and/or the fastening of an implant to another implant. This may involve using an energy source to bond and/or mechanically to stabilize a tissue, an implant, a bondable material, and/or other biocompatible material. The invention may also relate to the use of an energy source to remove and/or install an implant and/or bondable material or to facilitate solidification and/or polymerization of bondable material.

Abstract: A pupil expander assembly includes a delivery device having a body having a proximal end portion, a distal end portion, and a longitudinal axis. A discharge port extends distally from the distal end portion. An expander receiver is located inside the body in the distal end portion and has a proximal slot and a distal slot, each of which extends along the longitudinal axis. The proximal slot and the distal slot are both in fluid communication with the discharge port. A slider is slidingly disposed in the body and configured to longitudinally translate along the longitudinal axis. A hook extends distally from the slider and is configured to slide through the proximal slot and the distal slot and out the discharge port. A pupil expander is disposed in the expander receiver and configured to be pushed distally by the hook through the distal slot and the discharge port for delivery.

Abstract: A trochanteric nail for insertion in an intramedullary canal of a bone for treating bone fractures. The nail may include an elongate body having a head portion and a stem portion. One or more openings may be provided in the head portion for receiving an anchoring member, such as a bone screw, for fastening the nail within the bone. An intermediate opening may also be provided in the stem portion for receiving an anchoring member. A distal area of the nail may include or be free from anchoring members. In addition, a set of nails may be provided with each nail of the set of nails having a different length in which the intermediate opening is the same distance from the proximal end for each nail.

Abstract: A multi-portal method for treating a subject's spine includes distracting adjacent vertebrae using a distraction instrument positioned at a first entrance along the subject to enlarge an intervertebral space between the adjacent vertebrae. An interbody fusion implant can be delivered into the enlarged intervertebral space. The interbody fusion implant can be positioned directly between vertebral bodies of the adjacent vertebrae while endoscopically viewing the interbody fusion implant using an endoscopic instrument. The patient's spine can be visualized using endoscopic techniques to view, for example, the spine, tissue, instruments and implants before, during, and after implantation, or the like. The visualization can help a physician throughout the surgical procedure to improve patient outcome.

Abstract: An illuminated surgical retractor, comprising: a blade; a handle connected to the blade; an illumination assembly comprising at least one direct source provided on an external surface of the blade; a smoke evacuation channel defining a path for evacuating fluids and extending along the at least a portion of the blade, wherein the path partially encloses the at least one direct light source and the smoke evacuation channel is formed around the at least one direct light source.

Abstract: An adjustable length strut includes two joints, a threaded rod extending between the joints, and a tube adapted to receive the threaded rod. An actuation mechanism with gear teeth extending radially outward of the strut axis is rotatably fixed to the threaded rod. A protrusion may be coupled to an end of the threaded rod by a rotatable collar, with the protrusion extending through a slot in the tube to mark the length of the strut. A modular attachment member may be adapted to be couple to the first joint and include a worm gear adapted to engage gear teeth of the actuation mechanism. The modular attachment member may include a radiofrequency identity tag mechanism adapted to be read by a tag reader of a tool, the tool adapted to couple to the attachment member to rotate the worm gear to increase or decrease the effective length of the strut.

Abstract: An improved orthopaedic external fixation system with removable rails or skates and may include: at least a distal foot fixation element; at least a pair of rails or skates removably connected to the foot fixation element; at least a load sensor associated to at least one of the rails or skates; an electronic apparatus coupled to the load sensor and receiving an electric signal from the load sensor; an electronic controller coupled to the apparatus and issuing at least a flag signal upon detection of a threshold pressure force on said at least one of said rails or skates. This electronic controller may be mounted on the orthopaedic system or may be a structurally independent host device including a controller that is in signal communication with the load sensors.

Abstract: The present invention relates to a fixing device, particularly suitable for being engaged in a suitable bone site in the context of regenerative and/or reconstructive surgery, such as for example vertebral surgery or trauma surgery.

Abstract: An interbody spinal implant including a body portion having a superior side, an inferior side and a lateral side connecting the superior side and the inferior side, at least one of the superior side or the inferior side comprises a bone contacting surface operable to be coupled to an anatomical structure of a patient; and a plurality of uniform features formed in the bone contacting surface, wherein each uniform feature of the plurality of uniform features comprise a planar peak or a round peak and are dimensioned to increase a surface area of the bone contacting surface to promote bone growth.

Abstract: A pedicle insulator implant is designed to protect the nerves and surrounding tissue from injury by pedicle screws or other surgical devices and instruments. The implant is configured to shield a fixture, reduce nerve root irritation, and diminish loosening of the fixture, when the fixture is implanted into the void of a target site. The implant includes features for stabilizing and securing the implant within the void at the target site. For example, in one embodiment, the implant includes one or more ridges and one or more teeth sections that stabilize the implant against rotational and extractive forces that could disturb the implant.