Abstract: A system for treatment of an aneurysm includes an intrasaccular device that can be delivered using a catheter. The device can include at least one expandable structure adapted to transition from a compressed configuration to an expanded configuration when released into the aneurysm. The expandable structure can have a specific shape or porosity. Multiple expandable structures can also be used, in which case each of the expandable structures can have a unique shape or porosity profile. The morphology of the aneurysm and orientation of any connecting arteries can determine the type, size, shape, number, and porosity profile of the expandable structure used in treating the aneurysm.

Abstract: Intra-aneurysmal device (1) for the treatment of an aneurysm (2), this device (1) comprising: a stent (3) with an approximately circular section with diameter (D1), the stent (3) being suitable for and designed to anchor the device (1) in an artery, a head (5) designed to be inserted in the aneurysm (2), the head (5) being capable of significantly reducing blood flow in the aneurysm (2), an intermediate portion (4) located between the head (5) and the stent (3), and connecting the head (5) to the stent (3), wherein the intermediate portion (4) is in the form of an ellipsoid, of which a distal end (11) is connected to the head (5) and a proximal end (12) is connected to the stent (3).

Abstract: A vaso-occlusive device, delivery system and method of delivery to a selected site of the vessel in a manner allowing the vaso-occlusive device to substantially assumes a diameter of an inner surface of the vessel or aneurism sac at the site of the embolization procedure. The vaso-occlusive device or embolic coil has specific properties of wanting to float and conform to the diameter of the aneurysm sac thereby enabling retractability and rapid disconnect detachment for such embolic coil, and a predetermined shape requiring fewer embolic coils per embolization procedure advantageously improving patient risk, and the cost and time of the procedure. A method for deploying the embolic coil with such specific properties to the site of an aneurysm using a delivery system configured for deploying the embolic coil features inserting, and/or reconnecting for positioning and reinserting the embolic coil.

Abstract: Methods and apparatus for treating veins are disclosed. In one example, a method for treating a vein includes: positioning a distal end of a delivery tool, such as a syringe and needle or catheter, within the vein; introducing media from the delivery tool into the vein; and creating an occlusion in the vein by exposing the media to energy using an artificial energy source.

Abstract: An air pressure-controlled inflatable compression device designed to be worn around the wrist to supply sufficient compression to control bleeding from an arteriotomy in the radial artery, while allowing blood to flow through the radial artery from the heart to the hand is provided. The device contains a bladder with a controlled inflation mechanism and a pressure sensor or indicator. The desired inflation pressure will be determined based on the blood pressure of the patient. The bladder pressure may be determined by a clinician based on the patient's vital statistics or the device may index the pressure using a pump and valve based on an electronic blood pressure sensor and a microprocessor controller. The length of time that the band compresses the artery will be determined by a clinician or microprocessor controlled.

Abstract: A surgical blade assembly includes a blade having side surfaces defining a width greater than its thickness. The surgical blade assembly also includes a reinforcing member having a body portion, and first and second arms extending from the body portion to define a receiving portion. The receiving portion is configured to receive the blade and the first and second arms are configured to abut the side surfaces of the blade. The first and second arms act as a strut to reinforce the blade against external forces applied to the blade. The blade and the reinforcing member may include coupling features to prevent separation of the reinforcing member from the blade. The blade and the reinforcing member may be substantially perpendicular to each other when coupled.

Abstract: Inverting tube thrombectomy apparatus for removing clot that are configured to prevent compression of the apparatus that may separate the distal end of the apparatus from the clot and may make it difficult to advance the apparatus to engage with the clot, particularly in a tortious vessel. The apparatuses and methods of using them described herein may be adapted to prevent tension in the flexible tube that is rolling and inverting over the distal end of the inversion support catheter when capturing a clot. Also described herein are inverting tube thrombectomy apparatus that are configured to reload either automatically or manually within the vessel to capture additional clot material.

Abstract: There is described a method of treating a lesion including inserting a waveguide into a vessel of a subject, with a lesion being present in the vessel and the waveguide extending longitudinally between a proximal end and a distal end; positioning the distal end of the waveguide adjacent to the lesion; generating a high amplitude mechanical pulse and propagating the high amplitude pulse from the proximal end to the distal end of the waveguide; and propagating at least a portion of the high amplitude pulse from the distal end of the waveguide to the lesion, the at least one portion of the high amplitude pulse propagating up to the lesion, thereby treating at least partially the lesion.

Abstract: A medical or surgical instrument, preferably of the pincers, scissors and/or forceps design, includes at least two legs pivoted relative to each other in a pivoting plane and lockable in at least one pivoting direction and in at least one pivoting position. The legs include locking portions adapted to be brought into locking engagement with each other, with the locking portions offset against each other normal to the pivoting plane by such offset that, when the legs are pivoted in the pivoting plane, the locking portions laterally pass each other in the pivoting plane without getting into locking engagement with each other. The medical or surgical instrument is configured in such way that the locking engagement of the locking portions is implemented only by applying a transverse force normal to the pivoting plane to at least one of the legs while cancelling the lateral offset.

Abstract: Tissue anchoring devices in the form of microanchors that partially penetrate tissue, thereby avoiding full thickness penetration of the tissue, yet are secure enough to enable reliable device fixation and easy removal of the device while maintaining normal GI tract functions.

Abstract: A system comprising a handpiece and drive system configured to removably couple to a proximal end of a housing. A scalpet assembly is configured to removeably couple to the housing, and includes a scalpet array comprising at least one scalpet configured for rotation. The scalpet array is configured to harvest dermal plugs via fractional resection. A collection chamber is configured to collect the dermal plugs, and to house formation of an injectable filler by mincing the dermal plugs, and mixing the dermal plugs with a carrier. The injectable filler is configured for bulk fill. The collection chamber includes a loading port, and a cannular syringe is configured to mate with the loading port to receive the injectable filler, and to deliver the injectable filler for the bulk fill.

Abstract: Methods for dissecting tissues are provided. The methods comprise selecting a tissue site comprising dermis and subdermal fat connected to the dermis, and applying ultrasonic energy to the tissue to remove at least a portion of the subdermal fat from the dermis, wherein the ultrasonic energy is applied to minimize damage to the dermis.

Abstract: The present disclosure relates generally to apparatuses, devices, and methods for performing endoscopic tissue resectioning in the gastrointestinal tract. In some embodiments, a tissue resectioning device may include first and second scaffolds each arranged in a tubular configuration. The tissue resectioning device may further include a hook tool engageable with the first scaffold and/or the second scaffold to bias the scaffolds to engage a target section of tissue between the first scaffold and the second scaffold. The hook tool may also engage the section of tissue to pull the section of tissue into the path of a cutting edge of each of the first and second scaffolds. In some embodiments, the tissue resectioning device is provided over a scope, which extends within a lumen of an overtube.

Abstract: A surgical instrument includes a cutting assembly, an outer tubing, and a flexible torque component. The cutting assembly extends from a first proximal end to a first distal end. The cutting assembly includes an outer cannula defining a cutting window and an inner cannula disposed within the outer cannula. The outer tubing extends from a proximal tubing end to a distal tubing end. The distal tubing end is coupled to the outer cannula. The outer tubing is configured to receive a torque at the proximal tubing end and transmit the torque to the outer cannula to rotate the outer cannula. The outer tubing includes a plurality of first wires and a plurality of second wires each including more than eight wires and less than twenty four wires. The flexible torque component is coupled to a third proximal end of the inner cannula to rotate the inner cannula.

Abstract: A minimally invasive tissue incision system for creating joint capsulotomies and releasing/incising various tissues, tendons, and fibrous band structures is described. The system contains a penetrating needle which is retractable so as to expose a cutting element, and which may be used as a penetrating needle to pierce the skin and other soft tissue structures. The cutting clement provided within the penetrating needle may be used to incise subsequent tissue structures after the initial penetration. The system facilitates such procedures by providing the cutting element with the confines of the needle which provides safe introduction of the cutting element directly to the site via the needle.

Abstract: Unitary endoscopic vessel harvesting devices are disclosed. In some embodiments, such devices comprise an elongated body having a proximal end and a distal end; an inflatable, coated or conditioned tip disposed at the distal end of the elongated body; and a cutting unit having a first cutting portion and a second cutting portion, the first cutting portion and the second cutting portion being moveable in a longitudinal direction relative to the elongated body to capture a blood vessel between the first cutting portion and the second cutting portion, and being rotatable relative to one another circumferentially about the tip to cut the captured blood vessel.

Abstract: A system and method for improving installation of a prosthesis. Devices include prosthesis installation tools, prosthesis assembly tools, site preparation systems, and improved power tools used in implant site preparation, the tools including a secondary motion that preferably includes an ultrasonic vibration.

Abstract: An ultrasonic surgical instrument is provided, including a handpiece, a lever operably coupled to the handpiece and movable between first, second, and third positions, a shaft assembly extending distally from the handpiece, and an ultrasonic waveguide extending through the shaft assembly and defining a fixed jaw member at a distal end portion thereof. An outlet at the distal end of the fixed jaw member provides irrigation of fluid. The waveguide functions as an aspirator well as a transector/dissector of tissue. A movable jaw member is disposed towards a distal end portion of the shaft assembly and is operably coupled to the lever such that movement of the lever between the first, second, and third positions moves the movable jaw member relative to the fixed jaw member between a retracted position, an extended open position, and an extended closed position.

Abstract: An ultrasonic surgical instrument includes an elongated assembly releasably engagable with an ultrasonic transducer and including a waveguide having a blade at a distal end and a torque adapter towards a proximal end. Fixed and movable sleeves are disposed about the waveguide and support and operably couple to a jaw member at the respective distal ends thereof. A drive tube is fixed to the movable sleeve such that translation of the drive tube pivots the jaw member relative to the blade. A torque housing is slidably disposed about the drive tube, longitudinally fixed about the fixed sleeve, and fixedly about the torque adapter. A rotation knob is longitudinally fixed about the torque housing and operably coupled to the torque housing such that the torque housing and the rotation knob cooperate to define a torque wrench inhibit application of additional torque to the waveguide above a torque limit.

Abstract: An atherectomy system may include an atherectomy apparatus including a drive housing, a catheter shaft extending distally from the drive housing, and a rotatable drive shaft extending within the catheter shaft and operably coupled to the drive housing, the rotatable drive shaft having a guidewire lumen configured to receive a guidewire; and a guidewire management device including: a frame including at least one frame rail extending longitudinally; a movable tray slidably coupled to the at least one frame rail; and a guidewire locking element fixed to the frame. The drive housing may be releasably secured to the movable tray.

Abstract: The present disclosure relates to laparoscopic surgery, and in particular to laparoscopic ports for facilitating the implant of medical systems such as a neuromodulation system into the body of a patient. Particularly, aspects are directed to a cannula assembly having a cannula housing and a cannula sleeve comprising a sleeve body extending from a distal end of the cannula housing. The cannula sleeve has a semi-rectangular cross section including: (i) a rounded rectangular portion configured to accommodate feeding the neuromodulation system through the cannula assembly, and (ii) a circular portion configured to accommodate insertion of the one or more surgical instruments through the cannula assembly.

Abstract: Surgical device deployment apparatuses that include a cannula having a shaft with an exterior surface, and an interior surface forming a lumen within said cannula, the shaft having a distal portion with a plurality of apertures. An obturator configured to be used in conjunction with the aforementioned cannula has an obturator shaft with a distal portion having a reduced diameter, wherein said obturator shaft is insertable into said lumen of said cannula. In other embodiments, a surgical device deployment tool comprises a handle member with a shaft attached to a distal end of said handle member, said shaft extending distally and terminating at a shaft head. A hollow hood is attached to said shaft head, said hood having an inner surface formed such that a gap exists between said inner surface and an adjacent outside surface of said shaft head.

Abstract: Method and apparatuses for providing access to a body cavity of a living animal through an access port inserted in an incision made in a wall of the body cavity are disclosed. In some embodiments, the apparatus includes a cap configured to attach to the access port, the cap including an opening configured to permit insertion of a medical instrument through the cap and access port into the body cavity, and a tubular sleeve including a distal end sealingly connected at the opening and extending outwardly therefrom, the sleeve including a proximal end configured to receive and provide a seal with the medical instrument when received. The apparatus also includes a closure disposed to temporarily seal the sleeve prior to insertion of the medical instrument through the opening in the cap.

Abstract: An apparatus for repairing an anatomical tear, such as a tear in the meniscus of a human knee. The apparatus includes a guide cannula directing a penetrating shaft through the meniscal tear and through the outer skin layer of the knee. The penetrating shaft pulls a line to the outside of the skin layer of the knee where it is used to pull or kedge a repair implant into position across the meniscal tear.

Abstract: A portable and passive safety intraosseous device to allow for direct introduction of medications, etc., within the intermedullary space of a subject patient's bone or, if needed, the removal of certain substances from such a subject patient's bone. Such a device permits direct drilling and placement of a cannula within the subject bone with access external to the subject patient's skin, permitting, as well, connection of a tube for such introduction/removal purposes. The ability to provide a passive safety unit allows for facilitated utilization in, for instance, emergency situations with the entire device provided for utilization thereof. The device includes a drilling component with a permanently attached stylet and a removable cannula, a power supply for a single drilling operation, a mechanism to draw the stylet back into the drill component after use and disengagement from the cannula, and an automatic closure that activates with the separation of the cannula.

Abstract: The present technology relates generally to ring fixators and associated systems and methods. In some embodiments, for example, a ring fixator assembly comprises a ring configured to surround a fractured bone, a retention device disposed at a first position on the ring, and a tensioner clamp disposed at a second position on the ring. A wire extends between the retention device and the tensioner clamp. The tensioner clamp includes a first screw configured to secure the wire in position with respect to the tensioner clamp and a second screw configured to apply additional tension to the wire.

Abstract: An anchor can be coupleable to a bone, where the anchor includes a head, a shank, a first extension, and a second extension. The head can include a distal head portion and a proximal head portion, where the proximal head portion can be open at a proximal end of the head. The shank can extend distally from the distal head portion, where the shank including a threaded portion configured to engage the bone. The second extension can be opposing the first extension, and the second extension can include a second proximal support coupled to a second end of a first elongate portion, where a first proximal support can extend transverse to the longitudinal axis, and the first proximal support portion and the second proximal support portion can be separated in a first condition and can be engaged to transfer forces there between in a second.

Abstract: A distraction system includes a distraction rod having one end configured for affixation to at a first location on patient. The system further includes an adjustable portion configured for placement in the patient at a second location, the adjustable portion comprising a housing containing a magnetic assembly comprising a magnet, the magnetic assembly secured to a threaded element that interfaces with an opposing end of the distraction rod. The system includes a magnetically permeable member in proximity to the magnetic assembly and covering an arc of less than 360° of the adjustable portion.

Abstract: The present invention generally relates to methods and device for treatment of spinal deformity, wherein at least one tether is utilized to maintain the distance between the spine and the an ilium to (1) prevent increase in abnormal spinal curvature, (2) slow progression of abnormal curvature, or (3) impose at least one corrective displacement and/or rotation.

Abstract: An occipital fixation assembly is provided. The occipital fixation assembly includes a first mounting plate configured for placement within a sinus cavity adjacent a rear portion of a skull of a patient. A threaded post extends from the first mounting plate. A coupling member includes an aperture configured to receive the threaded post therethrough. The coupling member includes an offset extension configured to support a surgical rod thereon. A fixation nut configured to threadably engage the threaded post of the first mounting plate is rotatable about the threaded post and translatable therealong. The fixation nut is rotatable with respect to the first mounting plate and the coupling member such that rotation of the fixation nut in a predetermined direction brings the first mounting plate and the coupling member toward one another and into secured engagement with the skull of a patient.

Abstract: Implants, devices and methods for maintaining, correcting and/or fusing joint deformities are disclosed. The implant including a first member, a second member, and a coupling member with a first end and a second end, wherein the first end engages the first member and the second end engages the second member. Methods of using the implants for maintaining, correcting and/or fusing joint deformities are also disclosed.

Abstract: A bone fixation clamp includes a first arcuate clamp member conforming to a shape of a bone and extending between a first connection end and a first free end, a second arcuate clamp member conforming to a shape of the bone, a second connection end of the second clamp member being pivotally attached to the first clamp member, the second clamp member extending between the second connection end and a second free end and a driving member received in the first clamp member passing out of the first clamp member to abut an abutment portion of the second member so that, as the driving member is extended further out of the first member, the driving member pivots the second clamp member relative to the first clamp member to draw the first and second free ends toward one another to apply a radially compressive force to the bone.

Abstract: A bone screw comprising a shaft having a wall, the wall including a minor diameter and at least one thread having an external thread form. The thread form including a first portion comprising a crest of the thread form and a second portion extends between a minor diameter of the thread form and the first portion. The first portion having a solid configuration relative to the second portion. In some embodiments, systems, spinal constructs, surgical instruments and methods are disclosed.

Abstract: A bone screw includes a shaft including at least one thread having an external thread form and defining at least one cavity. The shaft includes at least one tissue gathering member disposed to direct tissue into the at least one cavity. In some embodiments, systems, spinal constructs, surgical instruments and methods are disclosed.

Abstract: A bone screw comprises a shaft including a proximal portion, a distal portion and a wall including at least one thread having an external thread form having a lattice configuration. The thread form defining at least one void configured for bone growth therethrough. The distal portion is fabricated onto the proximal portion by an additive manufacturing method. In some embodiments, systems, spinal constructs, surgical instruments and methods are disclosed.

Abstract: A bone screw comprises a shaft defining a longitudinal axis and a minor diameter. The shaft including a core having an angled surface relative to the axis. The angled surface extending from the minor diameter adjacent a proximal portion of the shaft to a distal portion of the shaft, and a wall disposed about the angled surface. The wall including at least one thread having an external thread form. In some embodiments, systems, spinal constructs, surgical instruments and methods are disclosed.

Abstract: A universal wire driver attachment comprises a driveshaft forming a lumen extending along a longitudinal axis. The driveshaft forms a plurality of channels extending perpendicularly from the longitudinal axis. The attachment further comprises a plurality of primary jaws movably disposed at least partially within the channels. The primary jaws comprise a plurality of wire gripping surfaces facing the longitudinal axis and configured to grip the surgical wire. The primary jaws cooperate with the channels such that the primary jaws are constrained from moving in an axial direction along the longitudinal axis. The primary jaws are capable of moving outward from the longitudinal axis when the surgical wire is inserted between the primary jaws, and the primary jaws are capable of being urged inward toward the longitudinal axis by the securing mechanism to increase a grip force on the surgical wire.

Abstract: Intramedullary nails, aiming guide assemblies, and methods. The aiming guide assembly can include an aiming guide having a collet and a connection bolt configured to engage a connection bolt driver. The connection bolt may be self-retaining and engage with the connection bolt driver in a manner to prevent unintentional disengagement.

Abstract: Systems, methods, and devices allow intravascular or percutaneous mapping, orientation and/or ablation, in bodily cavities or lumens. A device includes elongate members, moveable between an unexpanded configuration and an expanded or fanned configuration. The elongate members form a stack in the unexpanded configuration to fit through a catheter sheath. The elongate members follow respective arcuate or curvilinear paths as advanced from the sheath into the bent or coiled stack configuration, adopting volute, scroll or rho shapes, and may be nested. The elongated members are fanned or radially spaced circumferentially with respect to one another into the expanded or fanned configuration. Transducer elements carried by elongate members sense various physiological characteristics of or proximate tissue, and/or may apply energy to or proximate tissue. The elongate members are rotatable in groups or as a group in the expanded configuration. The device is retractable.

Abstract: Ablation devices, more specifically needle injectors configured to deliver flowable thermal treatment media into an interface with tissue and that can provide a single dose of ablative energy.

Abstract: An apparatus (14) for supplying a medical instrument (15) for the treatment of biological tissue (11) due to the action of a plasma (28) is disposed, in accordance with the invention, in a special manner for the ignition and the stable development of a plasma (28) on the electrode (27) of the instrument (15). To accomplish this, the apparatus (14) comprises a control device (23) that, during an ignition test, limits—preferably in an instrument-specific manner—the current deliverable to the instrument (15) and/or limits the electrical power to be output to the instrument (15), and/or, in doing so, works with a reduced operating voltage. With this measure, a rapid, stable plasma development with minimal spark play is achieved with a large variety of connectable instruments (15a-15e).

Abstract: A low cost, single-use disposable system for the thermocoagulation of tissue. The preferred embodiment of the present invention comprises an exothermic device for the treatment of cervical tissue or the like to provide low cost but effective treatment of, for example, precancerous conditions such as HPV (Human Papilloma Virus). The system provides an extremely cost efficient, easily implemented, single use, hygienic, rugged device which can be used in diverse conditions, requiring no power to operate, little training, and no other equipment.

Abstract: Flexible apparatus for ablating unhealthy spinal tissue. A housing includes a distal end and a proximal end. Multiple thermocouples mounted on the housing measure spinal tissue temperatures at locations between the proximal end and the distal end. A sensor measures spinal tissue impedance. The measured spinal tissue impedance corresponds to various physical state data of the spinal tissue. The spinal tissue impedance and the spinal tissue temperatures are displayed to the surgeon, enabling the surgeon to determine with certainty the location of the unhealthy spinal tissue, and to exercise control over the ablation apparatus. Nerve stimulation by IMP/STM switch system to detect nerve responses before and after treatment.

Abstract: Methods and surgical tools for treating back pain use a spinal facet debridement tool with cautery and denuding action and minimally invasive protocol that can denude and cauterize soft tissue associated with a synovial capsule of the spinal facet joint.

Abstract: The present disclosure relates generally to devices and methods for full thickness tissue resection of an organ (e.g., intestine). In some embodiments, a device includes a conduit, and a plurality of arms rotatably coupled to the conduit. Each of the plurality of arms is movable between a collapsed position and an expanded position, wherein the plurality of arms extends radially outward from the conduit in the expanded position. The device may further include an electrocautery wire coupled to each of the plurality of arms, the electrocautery wire positioned directly adjacent an exterior tissue wall when the plurality of arms is in the expanded position. The device may be advanced back in towards a lumen of the organ until a targeted section of tissue is cut by the electrocautery wire and removed.

Abstract: A device is described for treating a nasal airway by modifying a property of a nasal tissue of or near a nasal valve of the airway, without using a surgical incision or an implant, to decrease airflow resistance or perceived airflow resistance in the nasal airway. Various embodiments include an elongate shaft, a bipolar radiofrequency delivery member extending from one end of the shaft, and a handle attached to the elongate shaft at an opposite end from the radiofrequency delivery member. The radiofrequency delivery member is sized to be inserted into a nose and configured to at least temporarily deform the nasal tissue and deliver radiofrequency energy. The radiofrequency delivery member includes two rows of protruding electrodes disposed on a tissue contact surface, and the device is configured to deliver radiofrequency energy from one row of electrodes to the other row of electrodes.

Abstract: The instant disclosure relates to electrophysiology catheters for tissue ablation within a cardiac muscle. In particular, the instant disclosure relates to an electrophysiology catheter that conforms to a shape of a pulmonary vein receiving ablation therapy for a cardiac arrhythmia and produces a consistent tissue ablation line along a length and circumference of the pulmonary venous tissue.

Abstract: A treatment apparatus including: a bronchoscope including a flexible shaft having working channel; a transbronchial ablation probe configured to extend from a distal end of the working channel and extend thru a wall of a trachea and into tissue outside of the trachea; and a stabilization element mounted to a distal portion of the flexible shaft, wherein the stabilization element is configured to brace the distal portion against the wall of the trachea while the transbronchial ablation probe is extended through the wall of the trachea.

Abstract: The instant disclosure relates to electrophysiology catheters for tissue ablation within a cardiac muscle, for example. In particular, the instant disclosure relates to an electrophysiology ablation balloon catheter with a combination of coated and uncoated surfaces for focusing ablation energy at a desired portion of tissue.

Abstract: An ablation catheter configured to ablate tissue in a lung of a patient including: a flexible shaft that advances endobronchially into an airway of the lung and has an outer diameter of 2.0 mm or less; an ablation electrode attached to a distal portion of the flexible shaft and to deliver radiofrequency (RF) electrical current to the tissue and conductively connectable to an RF electrical energy source external to the patient; wherein an outer diameter of an assembly of the flexible shaft and the ablation electrode is no greater than 2.0 mm; a liquid outlet on the distal portion and configured to be in fluid communication with a source of hypertonic saline solution; and a first occluder attached to the flexible shaft proximal to the ablation electrode and proximal to the liquid outlet, wherein the first occluder is configured to expand to occlude the airway.