Abstract: An orthopedic locking screw is configured to be retained inside a bore of an orthopedic implant. The orthopedic locking screw includes a shaft extending axially, a casing secured around an outer surface of the shaft, a deformable thread disposed along an outer surface of the casing, and a forward external thread disposed on the shaft. The forward external thread has a pitch that is different from a pitch of the deformable thread of the casing. Further, an orthopedic locking screw is provided, wherein projections and the casing are alternately arranged on the outer surface of the shaft. Methods of securing an orthopedic screw in a bore of an orthopedic implant are also provided.

Abstract: An orthopaedic stapler (1) comprising orthopaedic pliers (3) and an orthopaedic staple (2) integrally formed at the distal ends of the pliers (3). The orthopaedic staple (2) comprises a beam portion (4) and two insertion brackets (5) at the two opposite ends (6) of the beam portion (4) and substantially transverse with respect to the beam portion (4). The orthopaedic pliers (3) comprise two lever arms (12) integrally connected to the orthopaedic staple (2) by means of connection portions (15) at the two opposite ends (6) of the beam portion (4). The connection portions (15) are breakable along breakage sections (24). The lever arms (12) comprise at least one first projecting element (19), at least one second projecting element (20), the first projecting element (19) on one lever arm (12) being directed towards the second projecting element (20) on the other lever arm (12). The first projecting element (19) and the second projecting element (20) are provided with a reciprocal engaging mechanism (21).

Abstract: A system for guiding a cutting tool in an osteotomy procedure includes a cutting block. The cutting block includes an aperture extending through a thickness of the cutting block and having a length and a width. The width of the aperture is defined between a first interior surface of the cutting block and a second interior surface of the cutting block opposing the first interior surface. The system further includes a sleeve. The sleeve includes a slot configured for receiving a sawblade and configured for insertion into the aperture of the cutting block such that the sleeve contacts either the first interior surface or the second interior surface without contacting the other interior surface.

Abstract: A surgical expandable implant includes a bolt, a movable member, and a support body. The bolt has a bolt body and a fixing member. The movable member is configured to be slidably sleeved on the bolt body. The support body has a first end configured to extend through the fixing member and a second end configured to extend through the movable member. The movable member is configured to slide along the length of the bolt body so as to move the support body from an initial shape to a deformed shape.

Abstract: A positioning guide system for guiding a surgical tool comprising a positioning guide and a user interface. The positioning guide comprising: an interface to correspond to a plurality of anatomic landmarks of a patient; a plurality of sensors to provide an output indicative of the proximity of the interface and one or more of the plurality of anatomic landmarks; and a tool guide, for a surgical tool, positioned relative to the interface. The user interface provides a user output indicative of correct positioning of the positioning guide and the anatomic landmarks of the patient based on the output of the plurality of sensors.

Abstract: A method and system for promoting the union of a bone fracture and/or fusion of bones across a joint space at a target region of a subject which may be accomplished by: inserting a surgical implant device at the target region; providing a guide member in the surgical implant device bore; sealing the surgical implant device bore distal opening and/or the surgical implant device bore proximal opening with the guide member; and positioning the guide member relative to the surgical implant device to provide for the guide member to be partially absent from the surgical implant device bore to allow the biomaterial and/or biologically active agents to extrude or diffuse from the activated apertures to the target region of the subject.

Abstract: The present disclosure provides a medical shaver including: a shaver body (10) having a hollow portion therein; a shaft (20) having one end rotatably attached inside the shaver body and having a motor attachment part provided on the other end that is exposed outside the shaver body; a suction tube (30) rotatably attached to the hollow portion of the shaver body and having one end detachably coupled to the shaft so as to be rotated together with the shaft; a first seating groove (27) provided on an inner circumferential surface of the shaft; a second seating groove (33) provided on an outer circumferential surface of the suction tube; and a spring (s) located in the first and second seating grooves and coupling the shaft and the suction tube, in which the spring (s) has a structure in which both ends of a coil spring are connected to form a ring shape.

Abstract: Embodiments are directed to spinal treatments and, more particularly, to a trial inserter tool compatible with detachable trial heads for use in spinal surgery. In a preferred embodiment, the present invention provides a system for sizing an implant to be used in posterior lumbar interbody fusion surgery. The system may comprise a trial inserter tool, wherein the trial inserter tool comprises: a body, wherein the body is an elongated tubular, wherein the body comprises a first end and a second end; an actuation device, wherein the actuation device is disposed on the body between the first end and the second end; and a hooked support member that extends from the second end of the body; and a trial head disposable on the hooked support member.

Abstract: An orthopedic milling machine includes an orthopedic guide pin including a bone engaging end and a burr including a hub, the burr being configured for rotation about an axis of the hub, the hub including a bore adapted to receive the orthopedic guide pin, and the burr can be moved laterally toward the guide pin at any location along the length of the guide pin until the guide pin is positioned in the bore.

Abstract: A fastener delivery tool may comprise a sheath assembly having at least one position retention member proximate a distal end of the sheath assembly, and a handle assembly coupled to a proximal end of the sheath assembly, the handle assembly comprising a housing, a trigger handle, and an insert connector. An external force applied to the trigger handle may cause displacement of the trigger handle relative to a rest position, and displacement of the trigger handle from the rest position within a first displacement range may impart a first amount of force on the insert connector relative to the applied external force and displacement of the trigger handle from the rest position within a second displacement range may impart a second amount of force on the insert connector relative to the applied external force, with the first amount of force being greater than the second amount of force.

Abstract: An orthopedic fixation system includes an orthopedic implant and an implant retainer. The orthopedic implant transitions between a natural shape and an insertion shape whereby a transition of the orthopedic implant from the natural shape to the insertion shape stores deliverable energy and a transition of the orthopedic implant from the insertion shape to the natural shape delivers stored energy. The implant retainer is configured to engage the orthopedic implant and constrain the orthopedic implant in the insertion shape such that the implant grip prevents a transition of the orthopedic implant from the insertion shape to the natural shape.

Abstract: A tether assembly may be attached to a bone to correct a rotational deformity. The bone may have a growth plate that separates a first section of the bone from a second section of the bone. The tether assembly may have a tether member with a first end, a second end, and a central portion extending between the first end and the second end. The first end may have a closed outer wall that defines and fully bounds a first aperture. The second end may have an open outer wall that defines and partially bounds a second aperture. The open outer wall may define a slot in communication with the second aperture. The first and second ends may be securable to the first and second sections of the bone via coupling members inserted through the first and second apertures and anchored in the first and second sections, respectively.

Abstract: A device for introducing an implant (1) into blood vessels or hollow organs of the human or animal body. The device includes an implant (1), an insertion wire (14) and a release tube (13), wherein the implant (1) is deformable so that it fits into a microcatheter (8) and expands once the external constraint of the microcatheter (8) disappears, adapting to the diameter of the blood vessel or hollow organ, wherein a holding element (2) is arranged on the insertion wire (14) and the holding element (2) has at its periphery at least one groove (3) set into the holding element (2), running along the circumference of the holding element (2) and forming tracks in the form of curved lines, wherein the implant (1) has holding wired (5) extending proximally, which are fitted into the grooves (3).

Abstract: Instrumentation for microendoscopic surgery comprises a retractor system including a navigated initial probe, nested retractors and a navigated final tubular retractor defining an interior passage extending between a proximal end and a distal working end. A multi-planar navigation marker including a plurality of spaced-apart, radiopaque marker bodies can be mounted to the tubular retractor at a predetermined multi-planar spatial and rotational relation to the distal working end. The retractor can optionally include systems for fluid irrigation and suction with differential activation allows for the option of maintaining a dry surgical field or a submerged surgical field depending on the surgeon's preference during various portions of the procedure.

Abstract: A driving instrument for adjusting a spinal implant includes an outer shaft having a distal end configured to actuate a proximal adjustment assembly of a spinal implant, and an inner shaft having a distal end configured to actuate a distal adjustment assembly of the spinal implant. The inner shaft is disposed within the outer shaft, with a proximal end of the inner shaft extending proximally from the outer shaft. The proximal end is configured to be rotated such that rotation of the inner shaft results in simultaneous rotation of the inner and outer shafts, with rotation of the outer shaft ceasing at a first value of resistance associated with the proximal adjustment assembly and rotation of the inner shaft ceasing at a second value of resistance associated with the distal adjustment assembly such that cessation of rotation of the inner shaft is independent from cessation of rotation of the outer shaft.

Abstract: An instrumentation set for preparing a proximal tibia during a bi-cruciate retaining procedure can include a tibial resection block and a stylus. The tibial resection block can be configured to be fixed to an anterior portion of the proximal tibia. The tibial resection block can define a slot that extends in a medial-lateral direction when the tibial resection block is fixed to the proximal tibia. The stylus can have a first block attachment feature and a second block attachment feature. The first block attachment feature can be offset from the stylus a first distance. The second block attachment feature can be offset from the stylus a second distance. The first and second block attachment features of the stylus can be selectively and alternatively received by the slot of the tibial resection block to position the stylus at distinct offset locations relative to the slot.

Abstract: The disclosed devices and methods relate to fixing (i.e., positioning) a multiaxial reference sensor (e.g., inclinometer(s) and compass sensor) or a mechanical guide to the skeletal anatomy in a known orientation, and then utilizing this reference sensor or mechanical guide to position instrumentation and/or implants with a second multiaxial positioning sensor or via a guide rod that provides spatial positioning information relative to the reference sensor or skeletally fixed references.

Abstract: A stylet screw driver assembly having a screw driver/ratcheting handle assembly which houses a stylet, pre-assembled to a set length based on the screw length in use, fixed in place by a spring loaded button mechanism located on the proximal end of the ratcheting handle. The spring loaded button mates with the stylet assembly, providing various stylet protrusion lengths.

Abstract: A surgical guide tool and methodology includes a non patient-specific platform including one or more supports for attaching to a body part of a subject. A non patient-specific block has a top planar surface and a bottom planar surface, and includes a guide aperture extending from the top planar surface to the bottom planar surface for guiding a surgical instrument in making at least one of a cut and a drill hole. An intermediate module is removably positioned between the platform and the block. The intermediate module has patient-specific dimensions such that the guide aperture has a desired alignment relative to the body part when the surgical guide tool is attached to the body part of the patient and the intermediate module is positioned between the platform and the block.

Abstract: A compression device may include, but is not limited to, a threaded body, a sliding element, and a compression element connecting the threaded body and the sliding element. According to one embodiment, upon implantation, the threaded body contacts a first bony fragment and the sliding element contacts to a second bony fragment. In at least one embodiment, upon being engaged, the compression element applies sustained tension to the sliding element and opposing tension to the threaded body, thereby compressing the first bony fragment and the second bony fragment along a plane of contact promoting healing.