Abstract: Devices and methods for extraction and processing of substantia gelatinea funiculi umbilicalis (Wharton's Jelly) from an umbilical cord.

Abstract: A medical device is provided. The medical device includes an elongated device body having a steerable portion including a plurality of segments. The segments are co-axially mounted over at least one elongated elastic element which is configured for limiting rotation of the segments with respect to each other. The medical device also includes a control wire running alongside the elongated device body and being unrestrained at the steerable portion such that tensioning of the control wire angles the steerable portion from a longitudinal axis of the elongated device body and deflects the control wire away from the steerable portion.

Abstract: Methods and systems for controlling articulation of a system are described. In some embodiments, a parameter related to a curvature of one or more portions of an articulable portion of elongated body may be determined. The elongated body may include a channel through which a tool may be inserted. Articulation of the articulable portion of the elongated body may be controlled based at least in part on the determined parameter in some modes of operation including when a tool is moved relative to the channel of the elongated body.

Abstract: A surgical instrument includes a shaft assembly and an articulation control assembly. The shaft assembly includes an articulation section that is configured to deflect a distal end portion from the longitudinal axis. The articulation control assembly includes an articulation control member and a transmission assembly. The articulation control member is rotatably mounted relative to the shaft assembly. The transmission assembly is operatively connected between the articulation control member and the articulation section of the shaft assembly. The transmission assembly is configured to transmit selective manipulation of the articulation control member to the articulation section and selectively actuate the articulation section.

Abstract: A plugging device, including a first part, and a second part connected to the first part. The first part or the second part includes a plurality of braiding filaments and a gathering member; portions of the braiding filaments that are close to one ends of the braiding filaments cooperate to form a disc face. The plugging device further includes a film member. The film member at least covers part of an outer surface of the disc face; the gathering member includes an inner sleeve and an outer sleeve, both of which are hollow and sleeved; and one end of each braiding filament and at least part of a gathering region of the film member are all fixed to the gathering member.

Abstract: An implantable medical device for sealing and repairing defects in a body tissue or for creating an anastomosis includes a frame and a covering material. In some embodiments, the frame includes a single continuously wound wire that defines an apposition portion, a defect-occupying portion, and a sealing portion. In some embodiments, the tissue-sealing and anastomosis devices provided herein are well-suited for use in the GI tract including the small bowel and colon. In some embodiments, a two-part frame construct facilitates independent tailoring of apposition forces and radial forces exerted on tissues by the two-part frame.

Abstract: A joint clamp for a surgical retractor system includes a knob, a lower clamp, one or more upper clamps between the lower clamp and the knob, and a bolt that passes through the one or more upper clamps. The lower clamp includes a spring, an upper portion, a lower portion pivotally coupled to the upper portion, and a clamping passage that passes laterally through the upper and lower portions of the lower clamp. The bolt includes a bolt upper portion coupled to the knob and a lower portion secured to the upper portion of the lower clamp. The spring exerts a biasing force on the lower portion of the lower clamp that pivots threads of the lower clamp toward the upper portion of the lower clamp.

Abstract: Endoscopic tissue traction includes advancing an anchor deployment system through a working channel of an endoscope positioned within a gastrointestinal tract and using the system to apply a first anchor having a length of suture fixed thereto into a distal portion of a tissue in a first wall in the body cavity. Then, the anchor deployment system is used to apply a like second anchor into a proximal portion of the tissue in the first wall, with the length of suture coupled to and displaceable relative to the second anchor. Next, the anchor deployment system is used to apply a like third anchor into a opposite second wall, with the length of suture coupled to and displaceable relative to the second anchor. The suture can then be tensioned relative to the second and third anchors to apply traction between the second wall and the relatively proximal portion of the tissue.

Abstract: A method of soft tissue repair comprises attaching at least one suture to a soft tissue to be affixed to a bone structure, positioning a tissue anchor on a driver, positioning a cinching suture alongside the driver, engaging a catch of the cinching suture with a stop of the driver, capturing the at least one suture attached to the soft tissue in a loop of the cinching suture positioned proximate a distal tip of the driver, drawing the at least one suture toward the distal tip of the driver by pulling at least a first portion of the cinching suture; preventing the cinching suture from passing by the driver by engaging the catch with the stop, and installing the tissue anchor into the bone structure to secure the at least one suture in the bone structure by interference-friction fixation between the tissue anchor and the bone structure.

Abstract: Disclose herein are suture anchor constructs. The suture anchor constructs can include an anchor, a first suture, and a second suture. The anchor can include a post and a body. The body can define a central hole extending from a trailing end of the body along a central axis towards a leading end of the body. The first suture can have a first tail, a second tail, and a first intermediate potion located proximate the post. The second suture can have a third tail, a fourth tail, and a second intermediate portion secured to the post. The first, second, third, and fourth, tails can pass through the central hole.

Abstract: A suture anchor retaining a suture is fixated in hard tissue, in particular in bone tissue, using any per se known method and is then secured using a securing element including a material having thermoplastic properties, which is liquefied in situ and made to penetrate the hard tissue in which the suture anchor is fixated. The securing element is e.g. a thermoplastic plug or thermoplastic sleeve which is anchored above the suture anchor in a mouth area of the same hard tissue opening. Alternatively the securing element is a thermoplastic pin which is introduced into an inner cavity of the suture anchor, wherein the material having thermoplastic properties is liquefied in this cavity and, in a liquid state is pressed through passages connecting the cavity with outer surfaces of the anchor.

Abstract: Improved suture anchor systems and methods of use are disclosed herein. The suture anchor may have proximal and distal ends, and first and second lateral sides extending between the proximal end and the distal end. A centrally located suture passage may extend through the anchor body from a first opening in the first lateral side to a second opening in the second lateral side. A channel may extend along a longitudinal axis of the anchor body. The insert may be configured to translate longitudinally within the channel between the proximal end of the anchor body and the distal surface of the suture passage. There may also be provided a surgical broach adapted for use with the suture anchor system.

Abstract: Improved suture anchor systems and methods of use are disclosed herein. The suture anchor may have proximal and distal ends, and first and second lateral sides extending between the proximal end and the distal end. A centrally located suture passage may extend through the anchor body from a first opening in the first lateral side to a second opening in the second lateral side. A channel may extend along a longitudinal axis of the anchor body. The insert may be configured to translate longitudinally within the channel between the proximal end of the anchor body and the distal surface of the suture passage. There may also be provided a surgical broach adapted for use with the suture anchor system.

Abstract: Provided herein are suturing systems, methods of anchoring to a bone, methods for anchoring a soft tissue to a bone, and methods of anchoring a first soft tissue portion to a second soft tissue portion. An exemplary suturing system includes an anchor and a suture inserter device. The anchor includes a plurality of anchor inserts coupled to a portion of the suture between a first end and second end of the anchor. The anchor has an insertion configuration that is substantially linear and a deployed configuration that is at least partially nonlinear. The suture inserter device includes a housing comprising a housing lumen and a housing shaft disposed therein, and an inserter fork coupled to the housing shaft. The housing shaft is axially translatable, and the inserter fork is axially translatable, via the housing shaft, between a distal position and a proximal position.

Abstract: Provided herein are suturing systems, methods of anchoring to a bone, methods for anchoring a soft tissue to a bone, and methods of anchoring a first soft tissue portion to a second soft tissue portion. An exemplary suturing system includes an anchor and a suture inserter device. The anchor includes a plurality of anchor inserts coupled to a portion of the suture between a first end and second end of the anchor. The anchor has an insertion configuration that is substantially linear and a deployed configuration that is at least partially nonlinear. The suture inserter device includes a housing comprising a housing lumen and a housing shaft disposed therein, and an inserter fork coupled to the housing shaft. The housing shaft is axially translatable, and the inserter fork is axially translatable, via the housing shaft, between a distal position and a proximal position.

Abstract: A positioning and retrieval device manipulated by carrying element coupled to an handle and driven by an actuator that allows for axial movement and rotational movement of a capturing portion on the carrying element.

Abstract: Mastopexy implants for lifting the breast of a patient create new tissue planes in the breast that provide a more durable lift, and are particularly useful in lifting breasts with a high content of fatty tissue. The implants can be implanted through stab incisions using blunt dissection, and reduce operating time, and provide an improved aesthetic appearance with minimal scar formation. The implants are designed to be transitory, and have sufficient strength retention to allow the new tissue planes to form and support the lifted breast without any significant loss of support during this regenerative period.

Abstract: A surgical instrument can comprise a handle, a motor, and a shaft extending from the handle. The handle and/or the shaft can define a longitudinal axis. The surgical instrument can further comprise a fastener cartridge comprising a plurality of fasteners removably stored therein, an anvil configured to deform the fasteners, a closure drive configured to move the anvil toward and away from the fastener cartridge which is rotatable about the longitudinal axis, and a firing drive configured to deploy the fasteners from the fastener cartridge which is rotatable about the longitudinal axis. The surgical instrument can further comprise a transmission comprising a first operating configuration which connects the motor to the closure drive and a second operating configuration which connects the motor to the firing drive.

Abstract: A surgical instrument system is disclosed which comprises a distal end and a staple cartridge assembly comprising staples removably stored therein. The instrument system further comprises a firing drive including an electric motor and a firing member operably couplable with the electric motor. The electric motor is operable to advance the firing member toward the distal end during a staple firing stroke to eject the staples from the staple cartridge. The electric motor is operable to retract the firing member away from the distal end during a retraction stroke. The surgical instrument system further comprises a manually-operated bailout mechanism operable to perform the retraction stroke in lieu of the electric motor, a controller, and a display in communication with the controller. The controller is configured to display the progress of the retraction stroke when the firing member is being manually retracted by the bailout mechanism.

Abstract: The invention involves a system and method for utilizing tools larger than the cannula bore of an endoscope in an endoscopic procedure. The system includes an endoscope having a cannula with an open or ported distal end. The ported distal end allows the shaft of an elongated tool having an oversized functional distal end to extend through the port with the oversized end in front of cannula bore. The tool and endoscope cannula are placed through a dilator tube that extends from outside the patient to the surgical site. A removeable and re-attachable handle is securable to the shaft of the oversized tool, which allows the surgeon to manipulate the tool through the cannula while visualizing the procedure utilizing the endoscope. This construction allows the surgeon to utilize tools that are too large to fit through the cannula of the endoscope including curettes, rasps, burrs, trials, Kerrison's, shavers and inserters.

Abstract: A surgical cutting and fastening instrument comprises an end effector, a shaft connected to the end effector, and a handle connected to the shaft. The handle comprises an electric, DC motor connected to a drive train for powering the drive train and a plurality of series-connected DC power source connected to the motor for supplying electrical power to the motor. The handle also comprises a power source selection switch for connecting, when in a first state, all of the DC power sources to the motor, and, when in a second state, a subset of the DC power sources to the motor. Also disclosed are means for actuating a RF electrode in the end effector and means for indicating actuation of the RF electrode.

Abstract: A powered endoscopic surgical apparatus is provided and includes a handle including a housing, a power source supported in the housing; an endoscopic portion extending distally from the housing of the handle; an end effector assembly coupled to a distal end of the endoscopic portion, the end effector assembly including a pair of jaws configured to perform a surgical function; a driving member; a drive source including a motor powered by the power source and connected to the driving member; and a gear assembly engaged with the motor. The gear assembly including a gear rack provided on the driving member; and a main gear operatively connected with the gear rack, the motor spinning the main gear such that rotary motion of the main gear moves the driving member in an axial direction such that the driving member actuates the end effector to perform the surgical function.

Abstract: An end effector for use with a surgical stapling instrument is disclosed. The end effector comprises a first jaw, a second jaw movable relative to the first jaw to grasp tissue therebetween, and a staple cartridge. The staple cartridge comprises staples deployable into the tissue. The end effector further comprises a magnetic sensor configured to measure a parameter indicative of an identifying characteristic of the staple cartridge, an impedance sensor configured to measure a parameter indicative of an impedance of the tissue, and a processing unit in communication with the impedance sensor. The processing unit is configured to determine a property of the tissue based on an output of the impedance sensor.

Abstract: A surgical anchor device for being anchored on the mucous membrane of the inner wall of the intestine, the device having a temporary anchor element presenting anchoring that can be modified in a controlled manner and having a first substantially cylindrical multiply-perforated wall presenting properties of radial elasticity whereby the first wall presents an outer diameter that can be varied in controlled manner, wherein a portion of the inner surface of the first wall is lined with an independent leakproof inner sheath having only its longitudinal ends fastened to the anchor element to define a suction chamber between the inner sheath and the first wall, the temporary anchor element being coupled to a flexible or semi-rigid tube extending outside the anchor element, an open end of the injection-suction tube opening out into the suction chamber enabling air to be injected into or sucked out from the suction chamber.

Abstract: An aneurysm occlusion device (10), a therapeutic apparatus for aneurysm occlusion and an aneurysm occlusion system. The aneurysm occlusion device (10) includes an expandable structure (11) and a guide structure (12). The expandable structure (11) is a three-dimensional mesh. The expandable structure (11) has an expanded configuration, in which the expandable structure forms a spiral shape by spiraling from a distal end (111) to a proximal end (112) thereof, and a collapsed configuration for delivery into an aneurysm (30) from a blood vessel. The guide structure (12) is provided at the distal end (111) of the expandable structure (11). The proximal end (121) of the guide structure (12) is connected to the distal end (111) of the expandable structure (11).

Abstract: A device for occlusion of a body lumen comprises an implantable occlusion apparatus (3) operably attached to an elongated catheter member (4) configured for transluminal delivery and deployment of the occlusion apparatus in the body lumen. The occlusion apparatus comprises a radially expansible element (5) detachably attached to the elongated catheter member, and adjustable between a contracted orientation suitable for 10 transluminal delivery and a deployed orientation configured to occlude the body lumen, an energy delivery element (6, 14, 21) configured to deliver energy to surrounding tissue to heat the tissue, and a sensor (7) configured to detect a parameter of the wall of the body lumen. The energy delivery element (6, 14, 21) and sensor (7) are axially movable independently of the radially expansible element whereby, in use, the energy delivery 15 element and sensor can be transluminally retracted leaving the radially expansible element in-situ occluding the body lumen.

Abstract: A system includes an adapter, a member and a clip which includes jaws connected to one another such that the jaws are movable between insertion and initial deployed configurations. The member is releasably coupled to the clip and movably connected to the adapter. The member includes a connector at a distal end thereof releasably engages an opening extending through a first jaw such that a longitudinal movement of the member relative to the adapter moves the clip between the insertion configuration, the deployed configuration and toward a review configuration. The member retracts the clip proximally over the adapter so that the clip is forced open as the clip is retracted over the adapter freeing the clip from tissue. The connector includes a deformable portion deforming to release the member from the first jaw toward a final deployed configuration when a distal force exceeds a predetermined threshold value.

Abstract: The invention relates to a ligature device for body parts, in particular a tourniquet, comprising a closure housing (2) in which a feed-through shaft (230) is formed which extends in the longitudinal direction and is delimited at the bottom by a base wall (27), laterally by two lateral walls (26, 26?) and at the top by a top wall (24), and comprising a ligature strap (3) which, by means of a clipping buckle (5) fastened to the one rear end thereof, is clipped or can be clipped detachably to a rear portion of the closure housing (2) and, with the other end thereof, is guided or can be guided from the rear side through the feed-through shaft (230) in order to form a loop (31) of variable size and can be firmly clamped according to the size of a received body part by means of a clamping means, in particular by means of a rocker (4) that is pivotally mounted in a pivot bearing in the closure housing (2).

Abstract: Methods and apparatus for performing a discectomy are disclosed herein. In some embodiments, a surgical tool for use in a therapeutic treatment of a patient includes a handle; an upper arm coupled to the handle; a lower arm coupled to the handle; a pivot arm coupled to one of the upper arm or the lower arm via a first pivot pin; and an end effector pivotably coupled to the pivot arm via a second pivot pin, wherein actuation of the handle causes movement of the pivot arm and articulation of the end effector.

Abstract: A tissue treatment system includes a catheter and a generator. The catheter is configured to be introduced into a blood vessel. The catheter includes an ultrasound transducer disposed at a distal end portion of the catheter to emit an unfocused ultrasound energy to treat a target tissue from the blood vessel. The generator is configured to drive the ultrasound transducer with a frequency. The generator is configured to control the frequency to change during the treatment of the target tissue. Other embodiments are also described and claimed.

Abstract: A clot retrieval device for removing an occlusive clot from a blood vessel. The device includes a clot engagement section having a constrained delivery configuration and an expanded deployed configuration, wherein in the expanded deployed configuration. The clot engagement section can include a plurality of peak sections configured to vary contact pressure between the clot and the device along a length of the device; and a plurality of troughs between respective peak sections comprising a clot reception space. Each peak is configured to exert a relatively high compressive force on the clot whereas each trough is configured to exert little or no compressive force on the clot.

Abstract: A tongue cleaner is disclosed includes a lower holding portion and an upper scraping portion, wherein the lower holding portion includes a pair of laterally opposing side portions formed from a first side portion and a second side portion, and a pair of laterally opposing end portions formed from a first end portion and a second end portion, where the upper scraping portion includes a first leg portion, a second leg portion, a scraping surface, and a closed-loop opening bounded by the first leg portion, the second leg portion, the scraping surface, and the second end portion of the lower holding portion, and where the first and second leg portions extend from the second end portion of the lower holding portion, and the upper scraping surface includes a first, honed edge and a second, smoothed edge.

Abstract: Devices and methods for articulating a distal end of a surgical device are provided. In one exemplary embodiment, the device includes an articulation joint that includes both an inner guide and an outer sleeve. The inner guide includes one channel extending therethrough that receives both a cutting mechanism and a closure band. Further, an outer surface of the inner guide, in conjunction with the outer sleeve, can define two additional channels that each receive an articulation band for articulating an end effector coupled to the articulation joint. The outer surface of the inner guide can include a plurality of ribs that also help define the two additional channels. Further, the outer sleeve can include a plurality of slots formed in it to improve flexibility and stability. Additional configurations of articulation joints, and configurations of components of a surgical device, are also provided, as are methods for using the same.

Abstract: A surgical instrument includes an end effector including a first jaw having a plurality of pockets and a second jaw. The first and second jaws are operable to clamp tissue therebetween. The surgical instrument also includes a stapling assembly supported by the second jaw of the end effector. The stapling assembly includes a deck, a plurality of staple openings extending through the deck, and a plurality of staples slidably housed within corresponding staple openings. Each staple has a respective pair of legs configured to be driven into contact with a corresponding pocket. The surgical instrument further includes a plurality of staple leg constraints. Each staple leg constraint is aligned with and extends at least partially across a corresponding staple opening for guiding a respective leg of the corresponding staple toward the corresponding pocket.

Abstract: An electromechanical surgical system having an instrument housing for connecting with a shaft assembly, a shaft assembly, and an end effector. The end effector is an articulating end effector and the system includes a cable tensioning system for tensioning the articulation cables. The system includes a clutch mechanism for preventing slippage of a drive cable.

Abstract: An electromechanical surgical system having an instrument housing for connecting with a shaft assembly, a shaft assembly, and an end effector. The end effector is an articulating end effector and the system includes a cable tensioning system for tensioning the articulation cables. The system includes a clutch mechanism for preventing slippage of a drive cable.

Abstract: Provided is an end tool including: a first jaw configured to rotate independently; a J11 pulley coupled with the first jaw and configured to rotate around a first axis formed at an end tool hub; a J16 pulley formed at one side of the J11 pulley and configured to rotate around a second axis formed at one side of the first axis; a J12 pulley and a J14 pulley formed at one side of the J16 pulley, and configured to rotate around a third axis formed at a predetermined angle with the first axis. The end tool may further include: a first jaw wire configured to at least partially contact the J12 pulley, the J11 pulley, the J16 pulley, and the J14 pulley; a J16 pulley formed between the J11 pulley and a J12 pulley/a J14 pulley; and the first jaw wire is located on an internal tangent of the J11 pulley and the J16 pulley.

Abstract: A hollow rod developable actuator tool including a first link comprising an outer cylinder, a second link comprising a first tool member pivotably connected to the first link at a first joint mounted in a first cavity in the wall of the outer cylinder, a third link comprising a second tool member pivotably connected to the first tool member at a second link, and a fourth link comprising an inner cylinder to which the second tool member is also pivotably connected at a third link mounted in a second cavity in the wall of the inner cylinder. When the inner cylinder of the fourth link is rotated in relation to the outer cylinder of the first link the actuator tool transitions from a first state where the tool is closed to a second state where the tool is open.

Abstract: An apparatus comprises a body assembly and a shaft extending distally therefrom. The shaft defines a longitudinal axis. The apparatus further comprises an acoustic waveguide and an articulation section coupled with the shaft. A portion of the articulation section encompasses a flexible portion of the waveguide. The articulation section further comprises first member and a second member that is longitudinally translatable relative to the first member. The apparatus further comprises an end effector including an ultrasonic blade in acoustic communication with the waveguide. A distal portion the ultrasonic blade is disposed in a first direction away from the longitudinal axis at a bend angle. The end effector also includes a clamp arm that is coupled with the first member and the second member, and an articulation drive assembly operable to drive articulation of the articulation section to thereby deflect the end effector from the longitudinal axis in the first direction.

Abstract: A tissue removal tool for use with an endoscope. The tool includes a loop formed by a piece of wire. The loop is movable between an open position and a closed position. The shape of the loop is defined in the open position by a proximal portion and a distal portion. The piece of wire may have a cross-sectional height in the proximal portion unequal to a cross-sectional height in the distal portion.

Abstract: The palatal gingival graft harvesting device is a gripping tool for holding and manipulating palatal gingival grafts. The palatal gingival graft harvesting device includes a first arm having opposed first and second ends, and a second arm also having opposed first and second ends. The first arm and the second arm are pivotally joined to one another at a pivot joint adjacent the second ends thereof. The first end of the second arm has an opening formed therein for receiving a tip of the first end of the first arm. First and second bifurcated, U-shaped gripping jaws extend orthogonally from the second ends of the first and second arms. Central portions of the first and second arms are selectively and releasably lockable to one another to clamp the graft between the gripping jaws.

Abstract: In some embodiments, disclosed herein are systems and methods of treating a patient that can include the steps of accessing the sphenopalatine fossa, and cannulating the inferior orbital fissure from the sphenopalatine fossa to access the retro-orbital space. The sphenopalatine fossa can be accessed via various routes, including percutaneously. Accessing the sphenopalatine fossa can include the step of inserting a needle-catheter system into the sphenopalatine fossa. Integrated needle-catheter systems as described herein can also be configured to access the trigeminal ganglion, epidural space, intrathecal space, and other desired anatomical locations.

Abstract: A system for robotically assisted manipulation of an elongate implant such as a cochlear implant and related implantation sheath is discussed herein. The system can include a main enclosure housing a first actuator to control linear movement of a sheath and second actuator to control linear movement of the elongate implant. The system can also include a drive head including a first drive structure to transmit actuation generated by the first actuator to the sheath and a second drive structure to transmit actuation generated by the second actuator to the elongate implant.

Abstract: The present invention relates to a uterus manipulator in minimally invasive surgery that facilitates procedures of manipulation of the uterus, incising and suturing of all kinds of tissue connected to the uterus and particularly, incising the cervico-vaginal tissue in a circular line in laparoscopic hysterectomy, that prevents the incidence of various complications during said procedures, and that can be actuated (driven) manually without requiring any external energy source.

Abstract: A device may include a flexible tube comprising: a distal end, a proximal tip, the proximal tip comprising a suction line extension being configured for placement in a uterine cavity of a uterus after childbirth, a tube center of the flexible tube; and at least one lumen around the tube center, the at least one lumen comprising a suction line, the suction line being in communication with a source of negative pressure and the suction line extension, the suction line extension being configured for applying the negative pressure to the uterine cavity using the source of the negative pressure thereby causing mechanical hemostasis of bleeding blood vessels of a uterine wall of the uterine cavity. Embodiments include an anchoring mechanism being proximate to the suction line extension along the flexible tube, the anchoring mechanism being configured for maintaining the suction line extension in a desired position within the uterine cavity.

Abstract: Pathologies of joints arising from improper force distributions are addressed by displacement of targeted connective and muscle tissues surrounding the joint in order to realign force vectors and alter moment arms loading the joint.

Abstract: A coupling device includes a receiving part with an accommodation space for accommodating a head of a bone anchoring element, an opening, and a recess forming two legs for receiving a rod, and a pressure member arranged at least partially in the accommodation space. The pressure member is adjustable from a first configuration where a topmost end of the pressure member is at a first axial position and the head is pivotable in the accommodation space to a second configuration where the topmost end of the pressure member is at a second axial position below the first axial position and the pressure member provisionally lock the heads. At the second configuration, a latching connection is formed to prevent the pressure member from being adjusted back towards the first configuration. The latching connection is releasable to adjust the pressure member from the second configuration back towards the first configuration.

Abstract: A coupling device for coupling a rod to a bone anchor includes a receiving part configured to receive a head of the bone anchor, the receiving part having a first end and a second end, a central axis that extends between the first and second ends, and two legs at the first end that define a recess extending in a longitudinal direction transverse to the central axis for receiving the rod, and a monolithic pressure member positionable in the receiving part, the pressure member including a rod support surface and an engagement portion to adjust the pressure member to exert pressure on the head. The engagement portion is positioned farther radially from the central axis in the longitudinal direction than a first portion of the rod support surface, and extends closer axially to the first end of the receiving part than the entire first portion of the rod support surface.

Abstract: Pedicle-based intradiscal fixation devices, systems, instruments, and methods thereof. A pedicle-based intradiscal implant for stabilizing an inferior vertebra and a superior vertebra may include a bendable rod configured to engage bone, a bone fastener defining a channel for receiving the bendable rod, and a locking cap for securing the bone fastener and the bendable rod. The implant may be positioned through a pedicle of an inferior vertebra and the bendable rod may be deployable into the vertebral body of the inferior vertebra, through the disc space, and into the vertebral body of the superior vertebra to stabilize the spine.

Abstract: A receiver assembly for capturing an elongate rod in a receiver of a bone anchor includes the receiver, a first threaded closure, and a second threaded closure. The receiver includes an upper portion that defines a first channel, interior surfaces that have helically wound thread, and a lower pressure insert that can be positioned within the first channel and has upright arms. Each of the first threaded closure and the second threaded closure have a cylindrical body with an external surface having continuous helically wound thread that can rotatably mate with the helically wound receiver thread. The first threaded closure and the second threaded closure are interchangeable for different locking configurations in the receiver assembly. The first threaded closure has a downward protrusion that can compressively engage the elongate rod. The second threaded closure has a bottom surface that can compressively engage the upright arms of the lower pressure insert.