Abstract: Prostheses are described for stabilizing dysfunctional sacroiliac (SI) joints. The prostheses are sized and configured to be press-fit into surgically created pilot SI joint openings in dysfunctional SI joint structures. The prostheses have an integral structure with opposed elongated sections connected by a bridge section. The elongated sections, in some instances, have an unequal length.

Abstract: Embodiments are generally directed to an apparatus for reducing a rod into an orthopedic fixation device. An embodiment provides a rod-reducing apparatus. The rod-reducing apparatus may comprise a housing comprising a threaded through bore. The rod-reducing apparatus further may comprise a reduction shaft comprising a shaft portion and a through bore in the shaft portion, wherein the shaft portion may be configured to be received within the threaded through bore of the housing. The locking cap driver may comprise a locking cap driver comprising a shaft portion that may be configured to be received within the through bore of the reduction shaft, wherein a distal end of the shaft portion may be configured for attachment to a locking cap assembly.

Abstract: An apparatus and method related to a collet for a spinal screw are described herein. In some embodiments, such an apparatus includes a screw, a movable head comprising a top portion and a bottom portion, a concave interior larger than a screw head, a connecting rod, a locking element screw, and a collet interposed between the screw head and the concave interior of the movable head, where the collet comprises a flexible hinge, and where the collet reduces axial compression force transferred from the set screw to the screw head.

Abstract: The present invention is a hole extender, in which a hole transporter includes a transport beam having a first flange with a first flange pin and a first flange hole, and at the other end of the transport beam is a second flange with a second flange hole. Key features of the present hole transporter include that the main direction of each flange is perpendicular to the beam, and the direction of the second flange hole is parallel to the direction of the first flange hole.

Abstract: Intradiscal fixation device assemblies, systems, and methods thereof. An intradiscal anchor fixation device includes an anchor block and at least one anchor attached to or extending through the anchor block to anchor the device to a vertebral body.

Abstract: The invention relates to an extension device for a bone anchor, in particular for a bone screw, in particular for a pedicle screw, in particular in minimally invasive spinal surgery, the device having an axial longitudinal direction, a peripheral direction concentric therewith, and a radial direction, wherein the extension device extends in the axial longitudinal direction and engages, by means of a radial projection, an engageable region on the head of the bone anchor in the longitudinal direction and also in the radial direction and can be supported against the head of the bone anchor in the opposite direction so that the extension device can thereby be fixed to the head of the bone anchor so as to be detachable, yet also rigid in the longitudinal direction and non-rotatable.

Abstract: A valve assembly for use with a surgical instrument is disclosed. The valve assembly includes a housing and a seal assembly disposed within the housing, the seal assembly including a septum seal including an orifice configured to sealingly engage a surgical instrument inserted therethrough, at least a portion of the septum seal defining a seal curvature, a first guard member including a plurality of curved first guard portions defining slits therebetween, and a second guard member including a plurality of curved second guard portions defining slits therebetween. The first and second guard members may be positioned in an overlapping relationship with the plurality of first guard portions rotationally offset with respect to the second guard portions. The wide, triangular shaped slits of the guard members may improve flexibility of the guard portions.

Abstract: An implant may include a body having a leading edge portion, a trailing edge portion, and an intermediate portion. The leading edge portion may include a substantially smooth surface forming a substantial majority of a leading edge surface and the trailing edge portion may include a monolithic structure including at least one receptacle configured to receive an insertion tool. The intermediate portion may include a plurality of elongate curved structural members continuously formed with at least one of the leading edge portion and the trailing edge portion. In addition, the elongate curved structural members may be configured such that the intermediate portion remains substantially rigid under compressive forces during insertion of the implant between bone surfaces of a patient. Also, the elongate curved structural members may include an elongate curved structural member extending longitudinally from the leading edge portion to the trailing edge portion and having a substantially sinusoidal configuration.

Abstract: Provided are biocompatible and implantable scaffolds for treating a tissue defect, such as a bone gap. The scaffolds can have a modular design comprising a tissue scaffold rack designed to accommodate one or more modules. Also provided are methods for fabrication and use of such scaffolds.

Abstract: Systems, methods, and devices for securing a sublaminar band are provided. A sublaminar band clamp system may include a first locking mechanism, a second locking mechanism, and a body. The body may include a first portion comprising a first passage, wherein the first locking mechanism is disposed within the first passage. The body may further include a second portion comprising a second passage, wherein the second locking mechanism is disposed within the second passage. A third passage may extend across the body and may be in fluid communication with the second passage. An opening may be positioned between the first and second portions, and the opening may be in fluid communication with the first passage.

Abstract: A coupling device for use with a bone anchoring element includes a receiving part having first and second ends, a longitudinal axis, and a coaxial passage, and a pressure member having a first portion and an expandable portion connected axially to the first portion forming a seat for the head. The pressure member is movable to a position where the receiving part acts on the expandable portion to clamp the head in the seat. The seat can be asymmetric relative to the longitudinal axis while a central axis of the first portion is coaxial with the longitudinal axis, such that the seat facilitates pivoting of the bone anchoring element in a first direction to a first maximum angle and in an opposite direction to a second maximum angle smaller than the first maximum angle.

Abstract: Spinal correction surgical techniques and methodologies for correction of scoliosis using non fusion anterior scoliosis correction, including soft tissue releases, unique correction techniques such as de-rotation, and unique single and dual anchor screw/cord applications.

Abstract: A pivotal bone anchor assembly includes a bone anchor having a capture portion with a frusto-conical outer surface and a horizontal capture recess extending circumferentially around a mid-portion thereof, a receiver having a central bore with a seating surface proximate a bottom opening, and a ring retainer having a retainer aperture with an inner surface that is slidably engageable with the frusto-conical outer surface of the capture structure and a retainer aperture recess extending circumferentially into the inner surface. The assembly further includes a snap ring positionable within the retainer aperture recess with a snap ring aperture smaller than the retainer aperture.

Abstract: A spinal device includes a rod which has a first end disposed in a housing and a second end which protrudes out of the housing through an aperture and which is movable to protrude more out of the housing or less out of the housing. A biasing device, mounted on the rod, includes a series of connected at-least partial coils. A first end of the biasing device is arranged to abut against the housing and a second end of the biasing device, opposite to the first end, is affixed to the rod.

Abstract: Various surgical instruments, implants, and their methods of use are disclosed. The surgical instruments are usable to insert various implants into a patient through an access portal in a minimally-invasive manner. The implants are rotatable between different orientations using the instruments to change the footprint of the implant and allow the implant to be inserted through the minimally-invasive access portal.

Abstract: The invention relates to a device intended to replace or partially replace one or more vertebral bodies or intervertebral discs in the cervical, thoracic or lumbar spine, and includes methods for its use and deployment. The invention may be used to restore biomechanical parameters correlating with improved patient outcomes and also involves a method for a more effective discectomy or corpectomy prior to graft deployment.

Abstract: The present disclosure includes bone screws and assemblies thereof for surgical procedures of the spine including but not limited to posterior spinal fixation procedures.

Abstract: A device for spinal surgery that may be used for tightening a locking cap onto at least a portion of a pedicle screw. The device may include a torque-generating body having a proximal end and an opposing distal end and a drive shaft rotatably driven by the torque-generating body. A proximal end of the drive shaft may be operatively engaged to the distal end of the torque-generating body and an opposing distal end of the drive shaft may engage at least a portion of one of the locking cap and the pedicle screw. An anti-torque device is provided that has an elongated and generally hollow member defining a longitudinal axis. The member has a proximal end and an opposing distal end, where the proximal end of the anti-torque device may be fixed from rotating relative to at least a portion of the torque-generating body and the distal end may be fixed from rotating relative to a spine rod or a pedicle screw.

Abstract: An external orthopedic fixation device. The external orthopedic device includes a radius fixing member, a metacarpus fixing member, and a coupling member. The radius fixing member is configured to be secured to a radius bone of a patient. The metacarpus fixing member is configured to be secured to a metacarpus bone of the patient. The coupling member is disposed between the radius fixing member and the metacarpus fixing member. The coupling member is configured to connect the radius fixing member and the metacarpus fixing member.

Abstract: A bone anchoring device includes a receiving part with a head receiving portion defining a seat for pivotably receiving a head of a bone anchor, and a rod receiving portion defining a recess for receiving a rod, the recess forming two legs each having an engagement surface for engaging a locking device to lock the rod in the recess, and an expansion limiting member having a surface configured to engage a portion of the receiving part spaced apart from the engagement surfaces of the legs. When the legs are urged radially outwardly, the head receiving portion is urged radially inwardly to compress and lock the head. The expansion limiting member is adjustable from a first configuration relative to the receiving part where the head receiving portion is expandable to permit the insertion of the head, to a second configuration where expansion of the head receiving portion is restricted.