Abstract: Disclosed herein are systems and methods for dilating tissue for placement of a pedicle screw without the use of guide wires. The tissue dilation system includes, generally, a stylet and trocar which are used for the initial placement of the tissue dilation system. A second dilator is passed over the first. A second dilator is passed over the first dilator, and further includes a serrated edge for engaging with a target surface. The second dilator may be secured to the target surface by the serrated edge alone, or may additional be secured using one or more temporary fixation pins, which operably couple to the second dilator.

Abstract: Tools for cutting bone, specifically cutting a hemispherical cavity in bone. Preferably, tools including an adaptor device configured to provide independent control of the cutting orientation.

Abstract: A fixator of a cranial flap to a skull, the fixator comprising a rigid rod, a lower disk placed at a distal extremity of said rigid rod, an upper disk mounted so as to be mobile along said rigid rod and a grip connected to the proximal extremity of said rigid rod enabling said upper disk to be made to slide towards said lower disk, said distal extremity of said rigid rod being provided with a ball-joint element and said lower disk comprising a recess for receiving said ball-joint element; said lower disk and said upper disk have convex shapes and are made out of a material enabling them to get deformed and adapt to shapes of the skull and the cranial flap, the lower and upper disks are placed flat against and secured to the internal and external surfaces of the skull and of the cranial flap.

Abstract: A standalone anterior cervical interbody spacer (ACIF) that includes a spacer body and plate rigidly couple via flexible pins.

Abstract: A rotatable surgical instrument and method includes an outer tubular member and an inner tubular member contained, at least in part, within the outer tubular member and configured to rotate relative to the outer tubular member, the inner tubular member and outer tubular member forming a gap therebetween. A distal tip is coupled to and configured to rotate with the inner tubular member. Bearings, each positioned in the gap and encircling the inner tubular member, are configured to maintain a separation between the outer tubular member and the inner tubular member. A spacer is positioned within the gap and between two of the bearings, wherein the spacer is configured to maintain a spacing between the bearings.

Abstract: A cutting guide includes a body and a rotatable device. The body includes a top portion, a bottom portion parallel to the top portion, and a side portion connecting the top and the bottom portions. The rotatable device is coupled to one end of the top portion of the body, and includes a pivotal element and a handle. The handle in the rotatable device has a first portion coupled to the pivotal element, and a second portion configured to be rotated around an axis of the pivotal element. Each of the top portion of the body, the side portion of the body, the bottom portion of the body, and the handle has one respective edge providing a respective guide surface for cutting a bone in a surgical procedure.

Abstract: The present invention concerns a cage holder including an elongated body comprising a proximal end and a distal end, the elongated body extending from the proximal end to the distal end. The cage holder is characterized in that it further includes means for transferring energy centrally from the proximal end to the distal end through the elongated body.

Abstract: Disclosed herein is a spinal implant with a solid frame and a porous inner layer. The implant may have a cavity defined by the porous inner layer. The solid frame may have one or more ribs extending from a medial wall to a lateral wall. The thickness of the porous layer may vary relative the thickness of the solid frame at various locations. An inserter to place a spinal implant and a method to perform same are also disclosed.

Abstract: Systems and methods are provided for treating cervical and/or uterine cancers in brachytherapy with an intracavitary brachytherapy applicator. The system comprises a tandem adapted for insertion into a cervix of a patient. An ovoid assembly comprises first and second inflatable ovoids and an ovoid support mechanism. The first and second inflatable ovoids are adapted for insertion within fornices of a patient. First and second retractors are adapted to be coupled to the ovoid assembly. The first retractor is adapted to be positioned to retract the bladder of a patient during treatment. The second retractor is adapted to be positioned to retract the rectum of a patient during treatment. The tandem and the first and second inflatable ovoids are adapted to be coupled to a radioactive source to deliver an implant radiation dose suitable for cancer treatment at a cancerous cervical treatment site in a patient.

Abstract: An adjustable trial for spinal implant sizing. The trial has a first and second plate that is adjustable between zero and degrees by use of continuously sloped edges that interface with a positioning band having reciprocal sloped edges. Protrusions are attached to each plate and the positioning band, the rotation of which is used to change the angle of the plates. A tool used to rotate the protrusions is marked with the angle of movement.

Abstract: In some embodiments, the present disclosure relates to a system that includes an insertion tool and a drill guide. The insertion tool includes a body with a distal portion and a distal end. The body has a first engagement feature extending longitudinally along the distal portion and two arms extending longitudinally from the distal end of the body. The drill guide includes two bores and an open faced channel therebetween. The open faced channel includes a second engagement feature slidably engageable with the first engagement feature on the body of the insertion tool. The two bores are adapted for the disposal of a fastener driver tool therethrough.

Abstract: A method of treating one of fractures and disfunctions of a pelvic ring of a patient comprising scanning a patient with a transdermal scan, determining, via a machine, from the scan an optimal range of angles of entry and sizes of screw to insert into the patient, communicating the optimal range to a surgeon, and inserting the screw into the patient.

Abstract: A surgical instrument comprises a hand-held portion configured to be manipulated by a user and a pivoting portion operatively coupled to the hand-held portion. The pivoting portion is configured to pivot with respect to the hand-held portion according to first and second degrees of freedom. The pivoting portion includes an accessory drive motor, an accessory drive member configured to be driven by the accessory drive motor, a plurality of lead screws, a carriage including a central aperture axially extending through the carriage and configured to interface with and linearly translate along the plurality of lead screws, and a linear drive motor configured to rotate the plurality of lead screws to linearly translate the carriage relative to the hand-held portion with respect to a third degree of freedom. The accessory drive member extends through and is configured to move within the central aperture of the carriage.

Abstract: A surgical system is provided. The surgical system includes a camera operable to capture images and/or video. A projector is operable to project light, and a controller is communicatively coupled with the camera and the projector. The controller is operable to track movement of bone in real-time during surgery based on the images and/or video captured by the camera, and control the projector to project the light including a cutting line on the bone to indicate a cutting plane for cutting the bone during surgery.

Abstract: Disclosed herein are rasp adapters, rasp systems, and method of use thereof. The rasp adapter can include a body and a retention element. The body can define a body cavity, a handle opening, and a trunnion bore. The retention element can be located within the body cavity and can include a knuckle and a heal. The knuckle can be located proximate to and movable into and out of the trunnion bore. The heal can be located proximate the handle opening. Movement of the retention element due to a force applied to the heal can cause movement of the retention element and movement of the knuckle into the trunnion bore.

Abstract: A rotary drive tool for coupling of a surgical instrument, the rotary drive being intended to be enclosed within an envelope in such a way that the rotary drive tool can be used in a sterile environment. The rotary drive tool has a body with an end configured to removably engage the envelope intended to enclose the rotary drive tool. A coupling piece is disposed within the body, the coupling piece engaging and driving, in rotation, a surgical instrument.

Abstract: An implant assembly including an expandable vertebral body replacement implant. Two outer cores disposed on opposing ends of an inner are configured to move away from each other when the inner core is actuated. The implant assembly may include removable endplate configured to engage vertebral bodies as interbody spacer or through a corpectomy. The implant may include a locking mechanism to prevent collapse or movement the implant assembly after implantation. The locking mechanism may be automatically engage after removal of an inserter instrument from the implant assembly.

Abstract: A system for sizing an implant for a patient pre-operatively comprises a processor unit. A non-transitory computer-readable memory may be communicatively coupled to the processing unit and comprising computer-readable program instructions executable by the processing unit for obtaining at least one radiographic patient image of at least one patient bone with a scale marker relative to the bone, the scale marker having a known geometry, setting a scale of the at least one radiographic patient image using the known geometry of the scale marker, generating a three-dimensional bone model representative of the at least one patient bone using the at least one radiographic patient image and the scale, identifying an implant size and/or an implant model using implant models and dimensions of the three-dimensional bone model based on said scale, and outputting the implant size and/or the implant model for the patient.

Abstract: Embodiments of a surgical access port system that comprises a retractor that is adapted for being coupled to a cap and that is particularly useful in natural orifice surgery are described. The retractor comprises an outer ring, wherein the outer ring is configured to be disposed proximate the natural orifice of the patient and substantially surround the orifice; a tubular body; and various stabilizing mechanisms surrounding the tubular body, sized and configured to stabilize and retain the retractor within the orifice. The stabilizing embodiments described herein are useful in all natural orifices and are of particular use in the vaginal surgery.

Abstract: A fusion device assembly for fusion of a joint, including a first screw portion, including a first distal end, a first proximal end, a first radially outward facing surface, and a first hole, a second screw portion, including a second distal end, a second proximal end, and a second radially outward facing surface, and a section, including a first end slidably engaged with the first hole, a second end non-rotatably secured to the second distal end, and a third radially outward facing surface.