Abstract: The clipping device includes a connecting portion which is moved while being connected to a wire of the endoscope and has a body broken when tension more than a set value is applied thereto, a body portion which includes a first inside path portion through which the connecting portion moves and has a magnetic force, a cap portion which is located on a side of the body portion, includes a second inside path portion connected to the first inside path portion, and guides movement of the connecting portion, a clipping portion which is connected to the connecting portion protruding through the cap portion and contracts due to movement of the connecting portion to grip body tissue, and a connector which connects the body portion to the cap portion and includes a material biodegradable in a human body.

Abstract: A surgical stapling apparatus includes a handle, an elongated body, a firing assembly, and a stapling assembly. The body extends from the handle and includes an engagement member rotatably supported on to a distal portion of the body. The engagement member defines an engagement slot and is axially movable about the body from a retracted position to an advanced position. The firing assembly includes a trigger, firing link, and pusher link. The pusher link is movably supported for distal translation through the body in response to actuation of the trigger. The stapling assembly houses a plurality of surgical staples and includes an outer shell having an engagement tab. The engagement member is rotatable relative to the body and the stapling assembly to releasably position the engagement tab within the engagement slot, thereby securing the stapling assembly at the distal end of the body.

Abstract: Medical devices and instruments, particularly appliers that may be used to apply occlusion devices such as occlusion clips on anatomical structures, are disclosed. Some example clip appliers may include an activation lever configured to open and close an occlusion clip releasably mounted in an end effector. Some example clip appliers may include a deployment trigger configured to release the occlusion clip from the end effector. Some example clip appliers may include a shaft extending between a handle and the end effector that is rotatable and/or bendable.

Abstract: An occluding device for occluding fluid flow through a lumen of a body vessel. The device comprises a coil and fibers attached to the coil. The coil has about 5 to 60 grams of initial tension to facilitate the coil to fold when deployed. The fibers extend from the coil at a length.

Abstract: A surgical ligation clip capable of remote deployment through a cannula to engage an anatomical structure.

Abstract: A left atrial appendage occluder which includes a closure disc, a mesh anchoring apparatus, and a thin-film body, connected to one another. The anchoring apparatus extends from the closure disc toward the distal end to form a conical part having a distal-end opening, and the conical part extends toward the proximal end and rolls up to form an anchoring part. The thin-film body is fixed on the outside surface of at least one part of the anchoring part, and part or all of it covers the distal-end opening. The left atrial appendage occluder is provided with the thin-film body on the anchoring apparatus, which constrains the deformation of different parts, and accordingly improves the radial supporting force of the occluder so as to prevent it from falling out after implantation.

Abstract: Vascular access devices, systems, and methods of their use are provided. In one embodiment, a vascular access device includes a catheter, a balloon, and an inflation lumen. The catheter includes an elongate flexible shaft having a proximal end and a distal end with a primary lumen therethrough. The balloon is disposed about the distal end of the catheter. The inflation lumen is in fluid communication with the balloon and extends toward the proximal end of the shaft of the catheter. The balloon is inflatable into a shape having a first open end, a second open end, a sidewall between the first and second open ends, and a passageway therethrough, which, when the balloon is deployed and inflated within a vessel, permits blood flowing in the vessel to flow through the passageway.

Abstract: Devices used to deflate an inflatable hemostasis device are disclosed. The devices may be configured to deflate the inflatable hemostasis device in staged increments over a period of time. The devices may include a barrel member and a plunger member comprising an insert configured to couple with a retention ring of the barrel to restrict a retraction distance of the plunger member.

Abstract: An atrial appendage occlusion apparatus including an inflatable body defining a compression region that is sized and shaped to receive an atrial appendage and a self-sealing valve associated with the inflatable body.

Abstract: A vascular plug comprises a superstructure expandable from a collapsed percutaneous insertion configuration to an expanded deployment or use configuration. The superstructure is comprised of both primary and secondary three-dimensional shapes allowing for the occlusion of a wide range of vessel sizes from small to large through a disproportionately small delivery catheter. The plug includes a shape memory element for the generation of radial force and the creation of the larger secondary three-dimensional twisting or helical superstructure as is needed for target vessel occlusion.

Abstract: An embolic coil is formed by being spirally wound by an element wire and is filled into an aneurysm. The embolic coil includes: a first coil portion, in which a large-diameter coil portion wound to have a large diameter D1 and a small-diameter coil portion wound to have a diameter D2 smaller than the large-diameter coil portion are arranged in a plurality of coils and alternately in a longitudinal direction Y of the embolic coil. A second coil portion is wound to be continuous with the first coil portion and to have a surface flatter than the first coil portion.

Abstract: A direction adjustable surgical tissue removal device, including: an insert rod having a stopping step at a front end; a slider slidably coupled to the insert rod, moving forward and backward with respect to the stopping step, and having a punching portion forming a jaw in cooperation with the stopping step; a rotary shaft being a hollow member fixed behind the insert rod and rotated by a user; a pushing rod having a front end fixed to the slider sequentially through the rotary shaft and the insert rod and a rear end extending backward; a spring disposed between the rotary shaft and the rear end of the pushing rod and elastically supporting the pushing rod backward; and a handle accommodating a portion of the rotary shaft and moving the pushing rod forward such that the punching portion is pushed toward the stopping step.

Abstract: A surgical milling cutter designed to remove bone and/or cartilage tissue includes a shaft which extends along a longitudinal axis, can rotate about same, and can be releasably connected to a drive device and which has a proximal end that can be rotationally fixed to a drive unit and a distal end lying opposite the proximal end. A milling surface circumferentially surrounds the shaft (2) and extends on the distal end along the longitudinal axis of the shaft. The milling surface protrudes radially from the shaft and has a milling surface maximum radius. The surgical milling cutter prevents unwanted damage to delicate body structures via an atraumatic design having a protective assembly provided on the distal end. The protective assembly has a distal support surface and a protective assembly maximum radius in order to form a protective ring which surrounds the milling surface maximum radius in a circular manner.

Abstract: Cranial perforator (1) comprising a rotating element (10) capable of being fixed to a driving element, a first drill-head (20) and a second drill-head (30), clutch means (50) disposed on the first drill-head (20) and the rotating element (10) means of disengagement (60) from a engaged position of the first drill-head (20) to an idle position of the first drill-head (20) and a casing (40) fixed at one of its extremities to the rotating element (10) and partly encasing the second drill-head (30).

Abstract: A system for performing a total joint arthroplasty procedure on a patient's damaged bone region. A CT image or other suitable image is formed of the damaged bone surfaces, and location coordinate values (xn,yz,zn) are determined for a selected sequence of bone surface locations using the CT image data. A mathematical model z=f(x,y) of a surface that accurately matches the bone surface coordinates at the selected bone slice locations, or matches surface normal vector components at selected bone surface locations, is determined. The model provides a production file from which a cutting jig and an implant device (optional), each patient-specific and having controllable alignment, are fabricated for the damaged bone by automated processing.

Abstract: A medical retrieval tool including a sheath; and a basket device connected to the sheath. The basket device includes a shaft and a basket located at a distal end of the shaft. The shaft is movably located in the sheath. The basket includes a first basket cage section and a second basket cage section. The first basket cage section is located in front of the second basket cage section. The basket is configured to be extended from a distal end of the sheath in a plurality of deployment modes including a first deployment mode where the first basket cage section is deployed in a first fully expanded shape and the second basket cage section is located in the sheath; and a second deployment mode where both the first basket cage section and the second basket cage section are deployed out of the distal end of the sheath.

Abstract: A clot retrieval device with an elongate shaft and an expandable section, the expandable section having a framework of interconnected strut elements distal of the elongate shaft, the strut elements forming an outer expandable body and an inner expandable body. At least a portion of the strut elements include a first coating of radiopaque material defining a plurality of micro-columns, wherein each micro-column includes a length extending between a first end coupled to one of the plurality of strut elements and a second free end opposite the first end, the length of each micro-column is longer than a width of each micro-column. The second free end is capable of moving further apart when a convex bend is applied to the respective strut element during use. Also including a second coating.

Abstract: A debris removal system includes an elongated shaft extending from a proximal end to a distal end and including a shaft lumen, the shaft being configured to be inserted through a bodily lumen to a target surgical site, a vibration motor coupled to the elongated shaft via a vibration collar, the vibration motor including a rotatable shaft and at least one weight coupled to the rotatable shaft, the weight being asymmetrically shaped about a central axis of the shaft such that rotation of the shaft creates vibrational energy along the length of the elongated shaft to dislodge debris within the target surgical site, and a vacuum pump connected to the elongated shaft and configured to vacuum dislodged debris from the target surgical site through the shaft lumen.

Abstract: Provided herein are methods and systems for the removal of anatomical occlusions, and an occlusion removal device comprising a first body adapted to be mounted to a delivery wire and releasably engaged to the delivery wire, wherein while engaged the first body remains fixed on the delivery wire and upon release moves axially along the delivery wire, and a second body adapted to be mounted to the delivery wire. A first proximal body may be oriented proximally to a second distal body. The proximal body and the distal body may be adapted to expand upon exiting a delivery catheter. The proximal body may be releasably engaged by a mechanically breakable connection or an electrolytically or heat disconnectable connection, the electrolytically disconnectable connection being broken upon an application of electric current to the electrolytically disconnectable connection.

Abstract: A minimally invasive endovascular device for treating a blocked or obstructed biological lumen, such as a blood vessel fully or partially obstructed by deposits of biological matters in or non-biological matters. Certain embodiments of the present invention comprise two capture members that are configured to be placed on either side of the obstruction and enclose around the obstruction for removal. Embodiments of the present invention also provide methods for implementing an endovascular device according to aspects of the present invention.

Abstract: A method using one or two inflatable balloon packs for the treatment of epistaxis (nosebleed) from any internal area of the nose. The balloon packing is adapted to be received in and apply pressure to all aspects of the nasal cavity on inflation with a suitable fluid. The anterior (forward) balloon packing has a channel extending between its front and rear aspects to allow passage of a second, posterior (rearward) balloon packing; said posterior packing is adapted to apply pressure to the nasopharynx upon inflation with a suitable fluid. Said method has a means of tensioning packing to continuously apply pressure necessary to control bleeding.

Abstract: Various embodiments of a device for mitral valve repair are described. In one example, the device can be used to place a pair of magnets between the flaps of the mitral valve. The magnets hold the flaps together near its center, with a result similar to that achieved through the Alfieri stitch. To place the magnets, the device is inserted through the apex of the heart in a transapical procedure and extended up into the left ventricle toward the mitral valve. When in position with the mitral valve, a pair of grasper fingers of the device are used to place the pair of magnets over the flaps, and the magnets are released. Once released, magnetic attraction between the magnets holds the flaps together. In other embodiments, the device can be used to place staples or sutures or other bonding elements over the flaps of the mitral valve.

Abstract: The subject matter discloses a grasper, comprising a grasping element at a distal end of the grasper; wherein the grasping element is configurable to at least a narrow state having a narrow cross-section, and at least an expanded state having an expanded cross-section; wherein the grasping element configured in the narrow state is insertable through an incision or narrow orifice into a body; wherein the grasping element configured in the expanded state has an increased grasping surface; and wherein the grasping element is configurable from the narrow state to the expanded state after insertion into the body.

Abstract: A surgical instrument system comprising a handle assembly is disclosed. The handle assembly comprises an actuation trigger comprising a curved proximal portion and a curved cylinder surrounding the curved proximal portion of the actuation trigger. The curved cylinder comprises an electroactive polymer. The surgical instrument system comprises an actuation rod which is configured to transmit an actuation force and a sensor system which is configured to detect the magnitude of the actuation force. The electroactive polymer is responsive to the actuation force and provides feedback to a user of the surgical instrument system.

Abstract: A probe configured to be connected to a transducer unit configured to generate ultrasonic vibration, includes an elongated vibration transmission portion configured to transmit the ultrasonic vibration; and an engagement member provided on and/or near an outer circumference at a position which becomes a node of the ultrasonic vibration when the ultrasonic vibration is transmitted to the vibration transmission portion, the engagement member being formed by a material of an identical to or smaller damping rate than a damping rate of the ultrasonic vibration in the vibration transmission portion, and the engagement member being engaged with an exterior member disposed on an outer side of the vibration transmission portion.

Abstract: A balloon includes a plurality of radial projections formed in a working surface for use in providing a focused force during the angioplasty procedure. The plurality of radial projections may be formed in a wall of the balloon and spaced apart in a longitudinal direction. The projections for use in connection with such a balloon may comprise wires or wire segments, and may also comprise radiopaque materials to facilitate viewing under fluoroscopy during the procedure. Related methods of manufacturing are also disclosed.

Abstract: A target substance, such as a thrombus, is removed from a patient's body via minimally invasive technique. A catheter is maneuvered and positioned near the target substance. The catheter may have a soft, atraumatic tip constructed from a metallic backbone covered by a polymer. Target substances are drawn into the catheter via an aspiration source. Near the catheter's distal end, a blade and opposing surface are housed within the catheter, and the blade moves relative to the opposing surface within the catheter lumen in order to fragment the target substance. The substances are fragmented within the catheter into discreet and relatively uniform particles. The aspiration source, which helps ensnare target substances, also serves to evacuate the substance fragments from the patient's body.

Abstract: A method for conducting intrabody surgery by means of a surgical device having a cutting arrangement actuated by a driveshaft and rotationally supported by the guide wire. A receiving cannel extends through the cutting arrangement and movably receives the guidewire. A plurality of sensors is provided within the cutting arrangement to emit signals capable of changing parameters depending on the composition of the occlusion, so as to allow the control unit to generate signals controlling operation of the cutting arrangement. The method includes the steps of detecting parameters within the intrabody area by the sensors to controlling operation of the cutting arrangement with the power and control unit.

Abstract: Disclosed is a laparoscopic port perforation and closure device configured such that a perforation device for perforating a laparoscopic port on a patient's body, a trocar for maintaining the port and allowing various surgical tools to be introduced therethrough, and a closure device for closing the port are selectively used in a single trocar assembly. The device includes: a trocar (4) configured such that a handle is coupled to a first end of a sleeve formed in a tubular shape for being introduced into a perforated port; a penetrating tip (37) with an end tip thereof being exposed outside a second end of the sleeve by sequentially penetrating the handle and the sleeve of the trocar, and configured to enter an abdominal cavity by opening a port; and a combined perforation/closure assembly (3) closing the opened port by replacing the penetrating tip (37) with a closure cartridge (36).

Abstract: This disclosure relates to a cannula for a surgical instrument used for cutting selected tissue in a body cavity while under visual inspection. A kit containing the cannula and methods for performing surgical procedures using the cannula are also described.

Abstract: Systems and methods for preventing the seeding of cancerous cells during morcellation of a tissue specimen inside a patient's body and removal of the tissue specimen from inside the patient through a minimally-invasive body opening to outside the patient are provided. One system includes a cut-resistant tissue guard removably insertable into a containment bag. The tissue specimen is isolated and contained within the containment bag and the guard is configured to protect the containment bag and surrounding tissue from incidental contact with sharp instrumentation used during morcellation and extraction of the tissue specimen. The guard is adjustable for easy insertion and removal and configured to securely anchor to the body opening. Protection-focused and containment-based systems for tissue removal are provided that enable minimally invasive procedures to be performed safely and efficiently.

Abstract: A dilation introducer for orthopedic surgery is provided for minimally invasive access for insertion of an intervertebral implant. The dilation introducer may be used to provide an access position through Kambin's triangle from a posterolateral approach. A first dilator tube with a first longitudinal axis is provided. A second dilator tube may be introduced over the first, advanced along a second longitudinal axis parallel to but offset from the first. A third dilator tube may be introduced over the second, advanced along a third longitudinal axis parallel to but offset from both the first and the second. An access cannula may be introduced over the third dilator tube. With the first, second, and third dilator tubes removed, surgical instruments may pass through the access cannula to operate on an intervertebral disc and/or insert an intervertebral implant.

Abstract: The invention discloses a trocar seal membrane with multi-dimensional pleats. Said seal membrane comprises a proximal opening, a distal aperture, and a sealing wall from the distal aperture ex-tending to the proximal opening, said sealing wall comprising a proximal surface and a distal surface. Said distal aperture formed by a sealing lip for accommodating the inserted instrument forms a gas-tight seal. In the lip-adjacent area, the sealing wall simultaneously has a plurality of transverse pleats extending laterally outwardly from the sealing lip and a plurality of tangential pleats uniformly distributed around the sealing lip. The pleated sealing wall can enlarge hoop circumference in the lip-adjacent area, and reduce overall deformation when a large-diameter instrument is inserted, thereby reducing friction and improving sealing reliability.

Abstract: The invention discloses a trocar seal membrane with concave-channel structure. Said seal membrane comprises a proximal opening, a distal aperture, and a sealing wall from the distal aperture extending to the proximal opening, said sealing wall comprising a proximal surface and a distal surface, said distal aperture formed by a scaling-lip for accommodating the inserted instrument and formed a gas-tight seal, said sealing-lip comprising a longitudinal axis and a transverse plane substantially perpendicular to said axis. In the lip-adjacent area, said sealing wall comprises the main rotary-wall and a plurality of concave-channel each of the concave-channels includes two side sealing-walls, which are defined by both edges and extending laterally outward from the sealing-lip and gradually widening. Said concave-channels have the functions of enlarging hoop circumference, reducing the wrapped area, improving lubrication reliability, increasing the axial tensile stiffness, etc.

Abstract: The invention discloses an improved pleated trocar seal membrane. Said seal membrane comprises a proximal opening, a distal aperture, and a sealing wall which extends from the distal aperture to the proximal opening, said distal aperture formed by a sealing lip for accommodating the inserted instrument and forming a gas-tight seal. Said sealing lip comprises a longitudinal axis and a transverse plane substantially perpendicular to said axis. Said sealing wall comprises a plurality of pleats extending laterally from the sealing lip. Each said pleat comprises a pleat peak, a pleat valley and a pleat wall extending there between. And the lip-adjacent area, the depth of the pleat wall gradually increases along the longitudinal axis; while outside the lip-adjacent area, the depth of which gradually decreases along the longitudinal axis.

Abstract: The invention discloses a trocar seal protector assembly comprising improved pleats. Said protector assembly comprises a proximal opening, a distal end and central axis. Said distal end comprises a plurality of pleats, each of which including a pleat-ridge, a pleat-valley and a pleat-wall extending from the pleat-ridge to the pleat-valley. The plurality of pleats are arranged in a dish shape around the central axis and define a distal aperture, the boundary of the distal aperture being formed by a wavy annular circuit, which is completely on a cylindrical surface or completely on a frustum surface. Taking the central axis as the center, make arbitrary cylindrical surface and all pleats in the adjacent area of the distal aperture to be intersected. intersection line of which is a complete wavy annular line. The proximal opening of the protector assembly further includes a boss and a cylindrical wall extending from the proximal end to the distal end.

Abstract: The invention discloses a trocar seal membrane with multi-dimensional floating pleats. Said seal membrane comprises a proximal opening, a distal aperture, an outer seal body extending from the proximal opening to the distal aperture, and an inner seal body extending from the distal aperture to the proximal opening. Said outer seal body and said inner seal body extend to be intersected and form a flange; said distal aperture formed by a sealing lip for accommodating the inserted instrument and forming a gas-tight seal; said outer seal body includes at least one radial pleat; each radial pleat includes at least two annular-pleat-walls and at least one of the annular-pleat-walls include a plurality of tangential pleats. In the invention, under the essentially equivalent condition of geometric size, the deformation force of said multi-dimensional pleats is much smaller than the deformation force of said two-dimensional pleats.

Abstract: The invention discloses a trocar seal membrane and assembly comprising normal concave-channels and reverse concave-channels. Said seal membrane comprises a proximal opening, a distal aperture, and a sealing wall from the distal aperture extending to the proximal opening, said distal aperture formed by a sealing lip for accommodating the inserted instrument forms a gas-tight seal, said sealing wall comprising a proximal surface and a distal surface. Said sealing wall is a seamless sealing body with a plurality of normal concave-channels and a plurality of reverse concave-channels surrounding the sealing lip in an alternating manner. The normal concave-channels and reverse concave-channels has the functions of enlarging hoop circumference, reducing the wrapped-area, improving lubrication reliability, increasing the axial tensile stiffness, etc., thereby, the frictional resistance and the stick-slip can be greatly reduced.

Abstract: The invention discloses a seal membrane with a trocar sealing System capable of integral inversion. Said seal membrane comprises a proximal opening, a distal aperture, and a sealing wall which extends from the distal aperture to the proximal opening, said the sealing wall comprising a proximal surface and a distal surface, said distal aperture formed by a sealing lip for accommodating the inserted instrument and forming a gas-tight seal; said sealing wall, in the lip-adjacent area, is a seamless sealing body with a plurality of normal concave-channel and a plurality of reverse concave-channel surrounding the sealing lip in an alternating manner; said said normal concave-channel is recessed from the proximal surface of the sealing wall toward the distal surface and the opening oriented to the proximal surface.

Abstract: The invention discloses a trocar seal membrane with reverse Concave-channels. Said seal membrane comprises a proximal opening proximal opening, a distal aperture, and a sealing wall extending from the distal aperture to the proximal opening, said distal aperture formed by a sealing lip for accommodating the inserted instrument and forming a seal housing; said sealing lip comprises a longitudinal axis and a transverse plane substantially perpendicular to said longitudinal axis. Said sealing wall in the lip-adjacent area comprises the main rotary-wall and a plurality of reverse Concave-channels, which are recessed from the distal surface of the main rotary-wall toward the proximal surface and the reverse Concave-channel opening pointing to the direction of the distal surface. The shape of the reverse Concave-channel from the perspective of proximal surface is represented as a hollow convex-rib that is raised from the proximal surface.

Abstract: The invention discloses a seal membrane and assembly comprising concave-channel, said seal membrane comprises a proximal opening, a distal aperture, and a sealing wall from the distal aperture extending to the proximal opening, said sealing wall comprising a proximal surface and a distal surface; said distal aperture formed by a sealing lip for accommodating the inserted instrument forms a gas-tight seal; said sealing wall comprises the main rotary-wall and a plurality of concave-channels.

Abstract: A fetus delivery assisting device (10) for assisting with the birth of a fetus. The device (10) comprises a shaft (16). At one end of the shaft (16) is a rigid base (18) to which an inflatable balloon (12) is mounted. The rigid base (18) and the inflatable balloon (12) are configured to accept a fetal head. The inflatable balloon (12) is configured to displace the fetal head from a pelvic cavity when inflated. The shaft (16) is configured for manipulating the inflatable balloon (12) to displace the fetal head from the pelvic cavity.

Abstract: A polyaxial bone screw assembly includes a threaded shank body having an integral upper portion receivable in an integral receiver, the receiver having an upper channel for receiving a longitudinal connecting member and a lower cavity cooperating with a lower opening. The receiver can have crimp tabs, but is devoid of spring tabs and collet-like flexible structures. A down-loadable compression insert (some with lock and release feature), a down-loadable friction fit split retaining ring and an up-loadable shank upper portion cooperate to provide for pop- or snap-on assembly of the shank with the receiver either prior to or after implantation of the shank into a vertebra. The shank and receiver once assembled cannot be disassembled. The receiver and insert include aligned tool receiving apertures for lock and release of the polyaxial mechanism.

Abstract: A spinal rod extension system includes a rod portion of a spinal rod extension and a connector portion connected to the rod portion. The connector portion is configured for insertion through a screw head of an existing pedicle screw that is used to secure an existing spinal rod. The spinal rod extension system also includes a screw head connector configured to mount to the screw head of the existing pedicle screw to secure the connector portion to the existing spinal rod. The screw head connector includes a first end wall and a second end wall that are connected to one another by a pair of cross connectors.

Abstract: Provided is a spinal screw holder for a minimal invasive surgery. The spinal screw holder includes a first joint part having both penetrated ends, which is detachably coupled to a screw head fixed to a vertebra so as to be exposed to a predetermined height through an opening formed in a skin of a subject and a second joint part having both penetrated ends, which is coupled to an upper end of the first joint part and which is linearly movable in a direction that is away from the upper end of the first joint part and rotates to be bent with respect to the upper end of the first joint part after the second joint part is inserted through the opening in a state of being disposed in a straight line together with the first joint part.

Abstract: A medical instrument provisionally fastens a polyaxial pedicle screw having a threaded shank. The shank has a shank head, on which a holding sleeve is arranged. A clamping plunger is mounted in the holding sleeve such that the clamping plunger acts on the shank head, such that the holding sleeve can be positionally fixed on the shank head by relative loading of the holding sleeve and the clamping plunger. The instrument has a coupling unit for engaging the holding sleeve and a pressure tappet for applying force to the clamping plunger. The coupling unit and the pressure tappet can be moved relative to each other. The instrument has a sleeve, in which the coupling unit is arranged such that the coupling unit can be moved in the axial direction, decoupled from the holding sleeve in a first position, and fastened to the holding sleeve in a second position.

Abstract: A method for treating a spine comprising the steps of: connecting at least one first fastener that defines an implant cavity with at least one vertebral level of a first portion of vertebrae; connecting at least one second fastener with at least one vertebral level of a second portion of the vertebrae; manipulating the vertebrae; manipulating a spinal rod to a selected configuration; connecting the spinal rod with the at least one first fastener such that the spinal rod is disposed at a selected position with the implant cavity; connecting a tether to a second fastener and the spinal rod; and reducing the spinal rod to a selected position relative to the second fastener with the tether. Systems, spinal constructs and surgical instruments are disclosed.

Abstract: Devices, methods and systems for stabilizing at least a portion of the spinal column are provided. Devices include anchors and coupling members for engaging an elongate member. Systems include an elongate member sized to span a distance between at least two vertebral bodies and being at least partially formed of a flexible material. A number of anchors and coupling members are used to secure the elongate member to each of the vertebral bodies. The anchors can be compressed towards one another and the elongate member secured thereto and/or the elongate member can be tensioned to provide corrective forces to the spine.

Abstract: A polyaxial bone screw assembly includes a threaded shank body having an integral shank head receivable in a one-piece receiver having an upper channel for receiving a longitudinal connecting member and a lower cavity cooperating with a lower opening. A compression insert (some with an independent tool lock, lock and release feature and/or friction fit feature) and a split retaining ring articulatable with respect to both the shank head and the receiver (prior to locking) cooperate with the receiver to provide for pop- or snap-on assembly of the shank with the receiver either prior to or after implantation of the shank into a vertebra.

Abstract: Systems, assemblies, components and methods for correcting alignment of one or more vertebrae of a spine are provided. A first elongate derotator member includes a first elongate element having a first proximal end portion and a first distal end portion. The first distal end portion is releasably engageable with a first implant implanted in one of the vertebrae. A second elongate derotator member comprising a second elongate element is releasably engageable with a second implant implanted in the same vertebra. A transverse member is engageable with the first and second elongate elements.