Abstract: Vascular treatment and methods include a plurality of self-expanding bulbs and a hypotube including interspersed patterns of longitudinally spaced rows of kerfs. Joints between woven structures and hypotubes include solder. Woven structures include patterns of radiopaque filaments measureable under x-ray. Structures are heat treated to include at least shapes at different temperatures. A catheter includes a hypotube including interspersed patterns of longitudinally spaced rows of kerfs. Heat treating systems include a detachable flange. Laser cutting systems include a fluid flow system.

Abstract: An obstruction removal device is described having a retrieval component used to engage an obstruction within the vasculature and a sheath component that is capable of inverting to fold over the obstruction and the retrieval component. The sheath component helps contain the obstruction and minimizes trauma to the blood vessel during the removal process.

Abstract: A platform of devices for removing obstructions and other objects within a blood vessel or other interior lumen of an animal is provided. The system may be deployed in the lumen from a catheter(s) and the system includes a proximal hub, and a distal basket comprised of a plurality of cells. A number of different baskets designs are disclosed. Methods of manufacturing such baskets out of a single tube of a memory metal without the need for any welding or soldering, and methods of use are also disclosed.

Abstract: A robotic surgical system includes a surgical instrument configured to cut biological tissues and an imaging system configured to image the biological tissues. Based on one or more images of the biological tissue generated by the imager, the robotic surgical system operates the surgical instrument to cut the biological tissue according to a desired dissection of the tissue. The robotic surgical system operates the surgical instrument to partially or wholly automatically perform one or more cuts into the biological tissue to achieve the desired dissection.

Abstract: In the context of bone surgery and in particular arthroscopic surgery, there is frequently a need for the application of “percussive force” to the distal end component(s) of a surgical device, i.e., repetitive percutient or striking force analogous to that of a hammer driving a nail. Disclosed herein are mechanisms and methods for automating and/or controlling the application of such a percussive force so as to avoid the present need in the art for a “third hand”. The present invention addresses the significant and long felt need by providing a powered percussive driver device that may be controlled directly by the primary surgeon.

Abstract: A surgical instrument for use during a surgical procedure includes an instrument body, an ultrasonic transducer assembly extending along a longitudinal axis, a power cord, and a transducer slip joint. The ultrasonic transducer assembly is rotatably mounted within the instrument body about the longitudinal axis and defines a first outer profile. The power cord projects from the instrument body to provide electrical power to the ultrasonic transducer assembly for operating an acoustic waveguide. The transducer slip joint is positioned between the power cord and the ultrasonic transducer assembly and electrically and mechanically connects the power cord to the ultrasonic transducer assembly. The ultrasonic transducer assembly selectively rotates relative to the power cord for inhibiting the power cord from winding upon rotation of the ultrasonic transducer assembly. The transducer slip joint also defines a second outer profile that fits within the first outer profile of the ultrasonic transducer assembly.

Abstract: A thrombectomy catheter includes a catheter body having a catheter lumen. An outflow orifice is positioned along a catheter perimeter. A fluid jet emanator communicates with a high pressure tube. The fluid jet emanator includes at least one jet orifice for directing a fluid jet from the fluid jet emanator through the catheter lumen toward the outflow orifice. The fluid jet emanator provides a jet stream from the catheter body through the outflow orifice. The jet stream includes first and second stream portions. An entrainment fluid flow circuit includes at least the first stream portion, and the entrainment fluid flow circuit entrains particulate and macerates the particulate therein. An exhaust fluid flow path includes the second stream portion, and the exhaust fluid flow path draws entrained particulate from the entrainment fluid flow circuit at a location exterior to the catheter body and directs it toward the catheter proximal portion.

Abstract: A catheter having a tubular body and a rotatable shaft disposed within a lumen of the tubular body. A cutting element is coupled to the rotatable shaft, the cutting element having a cutting edge, the cutting element and rotatable shaft being longitudinally moveable within the tubular body between a stored position in which the cutting element is parallel a longitudinal axis of the tubular body and a cutting position in which the cutting element is deflected between the proximal and distal ends of the tubular body to extend beyond an outer diameter of the tubular body. The cutting element is configured to cut material from the wall of a vessel at a treatment site as the catheter is pushed distally through the treatment site. The catheter includes a collection chamber positioned proximally of the cutting window.

Abstract: A surgical access port or trocar is provided. The trocar has a trocar seal housing and a trocar cannula with an optical obturator insertable through the trocar seal housing and the trocar cannula. The trocar is configured to access a body cavity, to maintain positive pressure and to prevent loss of surgical insufflation gas used in laparoscopic procedures. The trocar seal housing can be releasably attached to the trocar cannula. The trocar seal housing may also have a shield and/or alignment channel that provide protection or assist in operation of instrument and zero seals housed in the trocar seal housing.

Abstract: A specialized obturator that has a curved configuration designed specifically for entry through the anterior joint and out the back of the knee in the ideal position for a posterior portal. The curved obturator is shaped to avoid intact knee ligaments and femoral condyles. The obturator is provided with an eyelet located at the tip and may be employed with a cannula similar to a PassPort™ Button cannula, but with one or more sutures placed through the “neck” behind the collar. A standard “inside-out” cannula may be used as well, but dimensioned for the specialized obturator.

Abstract: A microdermabrasion system upgrade kit includes a plurality of couplers from which a user may choose one or more couplers in order to connect the upgrade kit to a vacuum source of an existing microdermabrasion system. In an implementation, the upgrade kit includes a power socket that the user can plug the vacuum source into.

Abstract: A spinal correction implant comprises a body extending between a first end and a second end. The body has a curvature. A first longitudinal element is connected with the first end. A ratchet is disposed with the body. A second longitudinal element is connected to the ratchet and is incrementally movable relative to the body. Systems and methods are disclosed.

Abstract: Bone anchor assemblies are disclosed herein that include one or more features for indicating the relative positioning of the receiver member and the shank, or for selectively maintaining the receiver member and the shank in a fixed relative position. For example, the head of the shank can include a surface feature that interacts with a drag ring to provide tactile or audible feedback when the shank is positioned at a particular orientation with respect to the receiver member. By way of further example, the head of the shank and a compression cap disposed in the receiver member can each include engagement features that cooperate to allow for selective locking of the orientation of the shank with respect to the receiver member.

Abstract: A cervical polyaxial bone anchor includes a longitudinal connecting member receiver structure and a cooperating shank. The shank has a body and an integral head with first and second spherical surfaces of different radii and a plurality of spaced curvate apertures for receiving portions of the longitudinal connecting member to result in a greater angle of inclination of the shank with respect to the receiver. The receiver has an upper channel and a lower cavity that further includes an expansion area and an operational seat for a split retainer ring that captures and fixes the shank head within the receiver.

Abstract: A system for fixating a dysfunctional sacroiliac joint for SI joint fusion, the system including a sacroiliac joint implant, a sacroiliac joint screw or rod and a delivery tool configured for approaching a sacroiliac joint. The system may include an implant having a porous 3D matrix structure and may be manufactured by laser or electron beam additive manufacturing. The delivery tool may include a radiolucent material. The SI fusion system may further include custom sacroiliac joint implants, anchors, alignment tools or targeting arms manufactured for a particular patient. Pre-surgical imaging studies, including 3D rendering, and their interpretation may assist in planning desired trajectories, anchor dimensions and implant dimensions and may provide details specific to the manufacture of particular sacroiliac joint tools or implants and their implantation into the sacroiliac joint. The system may be configured for use with surgical robots and may include an integrated nerve monitoring and stimulation system.

Abstract: The present invention relates to an implantable vertebral arthrodesis device (1) for fusing an overlying vertebra and an underlying vertebra, the device comprising an anterior portion (2) having upper and lower bearing zones (2a, 2b) suitable respectively for receiving lower and upper portions (3, 6) of upper and lower laminae (4, 7) of the overlying and underlying vertebrae (5, 8), said zones (2a, 2b) being spaced apart by a minimum height h (h1) for maintaining intervertebral spacing; rigid retaining devices (9) arranged relative to the anterior portion (2) so as to block migration of said anterior portion (2) towards the spinal canal; a posterior portion (10) in connection with said anterior portion (2), including a main housing (11) having first and second openings (11a, 11b) facing each other and suitable for receiving in part the spinous processes (12, 13); and a granular osteosynthesis material arranged in said main housing (11).

Abstract: Embodiments disclosed herein provide compression/distraction methods and tools useful for fitting a spinal stabilization system in a patient through minimally invasive surgery. The spinal stabilization system may comprise screws anchored in vertebrae. The vertebrae may need to be compressed or distracted. One embodiment of an instrument disclosed herein may comprise a shaft for engaging one of the screws through an extender sleeve. A driver may engage another screw through an opening of the instrument. Through this engagement, a surgeon may use the rack and pinion of the instrument to compress or distract one or more levels of the vertebrae in a parallel motion, which can be advantageous clinically in certain situations.

Abstract: A reduction jack for placing a spinal rod within a rod channel of a bone fixation screw includes a mounting stem having a tubular body, a plurality of teeth disposed on the body, a pair of legs projecting from the body, and catches disposed on the legs for engaging the bone fixation screw. A reduction sleeve at least partially encircles the mounting stem. A gear assembly is mounted on the reduction sleeve and engages the teeth on the body such that manipulation of the gear assembly facilitates movement of the reduction sleeve along the mounting stem. A first pawl is pivotably mounted to the reduction sleeve and resiliently biased against the teeth on the body, the first pawl being pivotable between a first position where the first pawl engages the teeth on the body and a second position wherein the first pawl does not engage the teeth on the body.

Abstract: The present invention relates to a fixation device for a correction bar used in the operation of pectus excavatum, and more particularly, to a fixation device for securing the correction bar inserted into a thoracic cavity to a rib in an operation of correcting pectus excavatum, which a sort of thoracic malformation. The fixation device of a correction bar used in the operation of pectus excavatum includes a plurality of rib fixation units fastened to the correction bar and each having a rib support portion and a fastening portion formed at both ends thereof, the rib support portion being formed of a hook portion bent in such a manner as to be hooked and secured to a rib, and the fastening portion being formed of a rectangular through-hole or a slot; and a fastening screw unit adapted to fasten the plurality of rib fixation units hooked and secured to upper and lower ribs to the correction bar through the respective fastening portions of the plurality of rib fixation units.

Abstract: A bone fixation system having a plate with an axle and a blade or “beam” configured to engage with the axle and reside proximate to a subchondral fragment of bone in upon installation of the plate. The beam is operable to rotate about the axle on the plate and reposition the subchondral fragment of bone.

Abstract: The present invention provides a drug eluting surgical screw and a method for manufacturing a drug eluting surgical screw. The drug eluting surgical screw may include a shaft having a threaded portion, a head having a drive recess disposed at a proximal end of the shaft, the drive recess having a reservoir region and a driver engagement region, and at least one or more drug eluting components disposed within the reservoir region of the drive recess in a manner that does not substantially impair a connection between a driver and the surgical screw when the driver is operably disposed within the driver engagement region, each of the at least one or more drug eluting components including a carrier matrix and a therapeutic agent, the therapeutic agent being at least 20 wt % of the drug eluting component prior to any implantation of the drug eluting surgical screw.

Abstract: A method for delivering a substance to bone includes placing a stabilizing wire in a bone, creating a hole in the bone around the stabilizing wire, and providing a multichannel cannula. The multichannel cannula includes a first channel having an open proximal end and distal end, the first channel being configured to receive the stabilizing wire, and a second channel having an inlet portal and an exit portal that are in fluid communication. The cannula further includes a cap having a delivery port in fluid communication with the inlet portal and a channel for receiving the cannula therein, and a distal tip. The method further includes inserting the multichannel cannula into the hole in the bone such that the first channel receives the stabilizing wire, and delivering the substance into the bone by introducing the substance into the second channel such that the substance exits through the exit portal.

Abstract: A cement-directing structure for use in cement-injection bone therapy includes a collapsible, self-restoring braided structure with regions of differential permeability to the bone cement. The regions of differential permeability may be provided by areas where the braided mesh density is greater or lesser than surrounding areas and/or by means of a baffle. After the structure is placed in a void within a bony structure, cement is injected into the interior of the structure then oozes out in preferred directions according to the locations of the regions of differential permeability.

Abstract: Methods of employing bone defect filling, e.g., orthopedic cements, such as calcium phosphate cements and the like, are provided. A feature of the subject methods is that vibration is employed in conjunction with the use of the cement, e.g., in preparation of the cement, in preparation of the target site, in delivery of the cement to the target site, and/or following delivery of the cement to the target site. Also provided are devices, systems and kits that find use in practicing the subject methods. The subject methods, devices and systems find use in a variety of different applications.

Abstract: Various methods and devices are provided for tensioning a tether. In one embodiment, a tether tensioning device is provided and includes a tensioning mechanism adapted to couple to a tether extending along a path between at least two bone anchors implanted in adjacent vertebrae. The tensioning mechanism can be adapted to apply a tensioning force to the tether along the path of the tether to thereby move the tether along the path. The device further includes an actuation mechanism movably coupled to the tensioning mechanism such that the actuation mechanism is adapted to effect movement of the tensioning mechanism to control the tensioning force applied to the tether.

Abstract: Headache treatment methods are described and include providing, an energy delivery device; locating a secondary or higher-order branch of a postganglionic nerve that provides innervation for a patient's head, by identifying a target region of the patient's head that includes the nerve branch; positioning, within the target region, a portion of the energy delivery device; and applying, from the positioned portion of the energy delivery device to the target region, an amount of energy effective to result in a stimulation activity of the nerve branch; and, after observing the stimulated nerve branch activity, delivering, from the energy delivery device to the nerve branch, energy in an amount effective to reduce a headache severity in the patient.

Abstract: An energy delivery probe is provided that may include any of a number of features. One feature of the energy delivery probe is that it can apply energy to tissue, such as a prostrate, to shrink, damage, denaturate the prostate. In some embodiments, the energy can be applied with a vapor media. The energy delivery probe can include a vapor delivery member configured to extend into a transition zone prostate tissue. A condensable vapor media can be delivered from the vapor delivery member into the transition zone tissue, wherein the condensable vapor media can propagate interstitially in the transition zone tissue and be confined in the transition zone tissue by boundary tissue adjacent to the transition zone tissue Methods associated with use of the energy delivery probe are also covered.

Abstract: A medical treatment apparatus includes a heat transfer portion, a heating chip, a temperature measurement unit and a control unit. The heat transfer portion comes into contact with a living tissue and transfers heat to the living tissue. The heating chip includes a heating region, is joined to the heat transfer portion, and heats the heat transfer portion by inputting energy to the heating region. The temperature measurement unit acquires a temperature of the heating region. The control unit controls a temperature of the heat transfer portion to a target temperature by controlling the temperature of the heating region to a temperature differing from the target temperature by an offset value which changes in accordance with an amount of the energy.

Abstract: A twin-cannula fat tissue aspiration instrument system equipped with a hand-supportable fat aspiration instrument having a twin irrigating-type or tumescent-type electro-cauterizing cannula assembly with an inner cannula coupled to a cannula drive mechanism and having an inner aspiration aperture that is reciprocated within an outer cannula having an outer aspiration aperture and being connected to the front portion of the hand-supportable housing, so that said inner cannula reciprocates within said outer cannula when the cannula drive mechanism drives the inner cannula. An irrigation channel is formed along the outer cannula, and in fluid communication with an irrigation aperture formed at the distal portion of the outer cannula and proximate to the outer aspiration aperture.

Abstract: A jaw of a grasping treatment device includes a non-contact portion having a space between it and a distal treatment section in a state where an abutment portion abuts on the distal treatment section, and the non-contact portion includes a wall surface portion inclined so that it is extended toward a distal treatment section side as it is extended away from the abutment portion. A movement regulating portion is provided in a region of the non contact portion located closer to the abutment portion than a continuous surface which forms an edge of the non-contact portion. The movement regulating portion located in the first wall surface portion regulates a movement of a grasp object along the jaw axis direction.

Abstract: An active electrode probe for an enhanced control surgery system is disclosed. The probe has a flexible conductor for delivering electrosurgical energy during an electrosurgical procedure, and is adapted for connection to an electrosurgical generator. The probe also has a flexible electrical insulation substantially surrounding the conductor. The probe also has a flexible conductive shield substantially enclosing the electrical insulation, the flexible conductive shield electrically connected to a reference potential, whereby any current which flows in the flexible conductive shield from the conductor is conducted to the reference potential. The flexible conductive shield is formed from a conductive wire.

Abstract: An electrode for an electrosurgical unit is used for ablating and necrosing a living tissue by RF electric energy. The electrode can be a hollow electrode formed in an elongated hollow tube shape, including a non-insulating region of a predetermined length formed on one side, and an insulating region formed on an outer surface other than the non-insulating region. The electrode further can include a saline solution circulation structure that supplies pressurized saline solution for cooling a living tissue which is in contact with the hollow electrode from the outside of the living tissue to the inside of the hollow electrode, and one or more saline solution discharge holes formed in the non-insulating region of the hollow electrode to discharge some of the circulating pressurized saline solution to the living tissue.

Abstract: Medical devices and methods for making and using the same are disclosed. An example medical device may include a medical device for renal nerve ablation. The medical device may include an elongate shaft having a distal region. An expandable member may be coupled to the distal region. A plurality of electrodes may be coupled to the expandable member and a single conductive member may be coupled to each electrode. Where one of the plurality of electrodes is active, the remaining electrodes may be inactive and act as ground or return electrodes. The electrode of the plurality of electrodes that is active may change over time.

Abstract: A medical pump includes first and second compartments, which are configured to accept respective first and second containers of fluid to be pumped to a medical device, and a paddle, which is fitted between the first and second compartments. The pump additionally includes a control module, which is configured to drive the paddle to alternate between first time periods in which the paddle applies pressure to the first container so as to pump the fluid therefrom, and second time periods in which the paddle applies the pressure to the second container so as to pump the fluid therefrom.

Abstract: A forceps includes an end effector assembly, a handle assembly, a first switch assembly, and a second switch assembly. The end effector includes first and second jaw members, at least one of the jaw members movable relative to the other between a spaced-apart position, a first approximated position and a second approximated position, at least one of the jaw members adapted to connect to a source of energy. The handle assembly includes a movable handle operably coupled to the end effector, and is movable between an initial stage, a first actuated stage, and a second actuated stage. The first switch assembly is activatable to supply a first energy to the end effector to seal tissue grasped, and the second switch assembly is activatable to supply a second energy to the end effector to cut tissue grasped.

Abstract: Disclosed is a microwave antenna assembly that includes proximal and distal radiating sections and a junction member. The proximal radiating section includes inner and outer conductors and DC power and neutral conductors. The inner conductor is disposed within the outer conductor and the DC power and neutral conductors are disposed radially outward therefrom. The junction member mates the distal and proximal radiating sections such that the distal and proximal radiating sections are positioned relative to one another. The junction member further includes a microwave signal amplifier (MSA) that receives a signal at a first energy level from the inner and outer conductors and a DC power signal from the DC power and neutral conductors. The MSA amplifies the signal from the first energy level to an additional, greater energy level. The junction member provides the microwave signal at the additional energy level to the proximal and distal radiating sections.

Abstract: A system for providing feedback during an electrosurgical procedure on a target tissue is provided. The system includes an electrosurgical energy source; an electrode probe assembly connected to the electrosurgical energy source, wherein the electrode probe assembly includes at least one electrode assembly having a needle configured to deliver electrosurgical energy to the target tissue; at least one thermal feedback assembly connected to the electrosurgical energy source, wherein each thermal feedback assembly includes at least one temperature sensor assembly; and a hub configured to selectively support the electrode probe assembly and each thermal feedback assembly such that the needle of the electrode probe assembly and each temperature sensor assembly of each thermal feedback assembly are proximate one another when disposed proximate the target tissue.

Abstract: Electrosurgical systems generally include at least one energy-delivery device for delivering energy to tissue when inserted or embedded within tissue. The energy-delivery device can be a tissue ablation device, such as an ablation probe, needle, etc. for ablating tissue as commonly known in the art. The electrosurgical systems include at least one structure and/or operational characteristic for enhancing ultrasonic visibility of the energy-delivery devices within tissue during ultrasonography.

Abstract: A substantially radiolucent cranial stabilization pin is adapted for use with a fixture for immobilizing a patient's head during a medical procedure. The pin includes a tip and a body, which are secured together to form the pin. The tip and body are constructed from non-ferrous, non-magnetic materials that are biocompatible. The tip and body are safe for use with, and compatible with, imaging techniques including MR imaging and CT imaging. In some examples the tip is a titanium insert and the body is molded within and around at least a portion of the tip. In some versions, the tip includes a hollow portion and one or more projections extending within the hollow portion. The molded body flows into the hollow portion and around the one or more projections of the tip creating a secure pin suitable to withstand torque and axial forces observed in use.

Abstract: The present invention relates to a convenient, minimally invasive surgical instrument, and more particularly to a minimally invasive surgical instrument to allow a user to operate an end effector by manipulating a handling unit or the like to perform a minimally invasive surgery in a delicate and convenient manner. According to one aspect of the invention, there is provided a minimally invasive surgical instrument comprising: a shaft; an end effector being connected to one end of the shaft via a joint unit; a rotation manipulation unit being connected to the other end of the shaft, the rotation manipulation unit comprising a gyro link including a gyro wheel; and a plurality of wires being connected between the joint unit and the gyro wheel, wherein the end effector carries out joint motion by the joint unit according to the action of at least some of the plurality of wires caused by a manipulation of the gyro wheel.

Abstract: An assembly for manipulating a bone includes a first manipulating element configured to be attached to a first portion of bone and including a location emitting signal and a second manipulating element configured to be attached to a second portion of bone and including a sensor detecting the location emitting signal to provide a position and orientation signal of the first and second manipulating elements relative to one another. The assembly also includes a tracking unit including a processor tracking movement of the first and second manipulating elements relative to one another in a plurality of dimensions using the position and orientation signals.

Abstract: The present invention relates to a method, such as a surgical method for assisting a surgeon for placing screws in the spine using a robot attached to a passive structure. The present invention also related to a method, such as a surgical method for assisting a surgeon for removing volumes in the body of a patient using a robot attached to a passive structure and to a device to carry out said methods. The present invention further concerns a device suitable to carry out the methods according to the present invention.

Abstract: A robotic catheter system including a housing and a drive mechanism configured to engage and to impart motion to a catheter device is provided. The drive mechanism is supported by the housing. The robotic catheter system includes a guide catheter support coupled to the housing. The guide catheter support is located in front of the drive mechanism, and the guide catheter support has a longitudinal axis. The guide catheter support includes a first surface configured to engage a guide catheter and a rotation joint allowing the first surface to be rotated about the longitudinal axis such that the surface is able to engage the guide catheter at a plurality of angular positions relative to a patient.

Abstract: A medical navigation system is provided for controlling medical equipment during a medical procedure. The medical navigation system includes a passive radio frequency identification (RFID) tag, an RFID sensor for detecting the passive RFID tag, a controller coupled to the RFID sensor, and a robotic arm having an end effector and controlled by the controller. The RFID sensor provides a signal to the controller indicating presence of an activated passive RFID tag. The passive RFID tag has an antenna, an RFID circuit, and a switching device coupled to the RFID circuit for activating the passive RFID tag. The passive RFID tag is used to control a payload attached to the end effector.

Abstract: An illuminated suction apparatus including a hand-held surgical device combining a high-performance illumination waveguide with suction. This device would be useful in a wide array of various surgical procedures including open and minimally invasive orthopedics.

Abstract: Embodiments of surgical markers for marking internal and external tissues are provided herein. In some embodiments, a surgical marking device for marking tissue may include a body including an at least partially hollow interior, a first end and a second end; a tip coupled to the body at the second end; and a plunger movably coupled to the body at the first end and configured to control a pressure within the at least partially hollow interior of the body via movement of the plunger relative to the body, wherein the pressure control may control a flow of ink outward of the body via the tip during use. Alternatively, in some embodiments, a squeezable bulb may be provided in place of the plunger, the squeezable bulb having an interior volume fluidly coupled to the body, wherein a pressure within the body may be controlled via the squeezable bulb.

Abstract: A collector used to collect bone includes: a container body defining an interior containment space for receiving and retaining collected bone, and having at least one open end for access and removal of collected bone from the interior containment space; and a cap in covering relation to the open end of the container body such that access to the interior containment space for removal of collected bone is inhibited. The collector includes an intake port defining an opening for receiving therein a distal end of a kerrison rongeur for collecting cut bone from a cutting area thereof, and the cap includes at least one scraper for engaging and dislodging cut bone from the cutting area of a distal end of a kerrison rongeur when received within the intake port. The collector preferably is used with a kerrison rongeur for collecting cut bone therefrom.

Abstract: A dental apparatus that includes a turbine, a rotor, and a disruptive contour. The turbine drives a tool by compressed air. The rotor is arranged in a turbine compartment and rotates about its longitudinal axis. The rotor includes a plurality of blades that extend up to a front side of the rotor. The disruptive contour is at least one protrusion on a wall opposite the front side of the rotor which extends over a height in a direction of the longitudinal axis of the rotor.

Abstract: A multi-directional handpiece that includes a motor drive extending along and configured for rotation about a body axis, the motor drive having: a motor gearing at a proximal end of the motor drive; and a file gearing in engagement with the motor gearing for transferring the rotational and axial movement to a workpiece; and a housing for the workpiece; and wherein through rotation of the motor drive, the workpiece moves in an axial oscillating motion while being rotated.

Abstract: A screw type dental implant system (1), having a dental implant fixture (2), a multifunctional component (3) and an abutment screw (4). The screw shape dental implant fixture has an external surface having buttress threads on the body and micro threads at the collar. This combination provides the advantages of: improved biomechanics at the implant abutment interface, self-tapping nature to the implant, and minimizing the stresses at the crest of the bone leading to decrease resorption of crestal bone. The multifunctional component serves the purposes of implant mount, impression analog and final abutment and has a single prosthetic platform so one component is compatible with different implant dimensions, which minimizes the inventory needed for the implant system and allows easy handling of the system. The multifunctional component also has an external concave transmucosal portion for enhancing the emergence profile and internal threads for securing the abutment screw.