Abstract: Bone anchor assemblies and methods are provided having a multi-component bone anchor that is configured to allow the shank of the bone anchor to be bottom loaded into a receiver member. In one embodiment, a bone anchor assembly is provided having a shank with a distal threaded portion and a proximal head portion, a ball having a spherical exterior surface and a central lumen sized to receive the head portion of the shank, and a clip configured to be engaged between the head portion and the ball such that the clip is effective to lock the ball in engagement with the shank.

Abstract: Devices and methods for restructure and stabilization of a fractured or weakened head of a bone are disclosed herein. A device includes a delivery catheter having a proximal end and a distal end, an inner void for passing at least one light sensitive liquid, and an inner lumen; an expandable member releasably engaging the distal end of the delivery catheter; and a light conducting fiber sized to pass through the inner lumen of the delivery catheter and into the expandable member. The expandable member moves from a deflated state to an inflated state when the light sensitive liquid is passed to the expandable member. When the light conducting fiber is in the expandable member, the light conducting fiber is able to disperse the light energy to initiate hardening of the light sensitive liquid within the expandable member to form a photodynamic implant.

Abstract: An orthopedic device includes a brace support having at least one strap for providing corrective orientation of a joint and unloading of the joint, and an electrical stimulation system for providing an electrical signal to a user's musculature at or proximate to the joint. The electrical stimulation system provides at least one electrical pulse to the musculature in supplement to the corrective orientation of the joint to induce contraction of the musculature. The electrical stimulation system may include at least one electrode for generating the electrical pulse, and a sensor module for determining movement and orientation of a user's limb for selectively activating the at least one electrode according to predefined criteria and feedback from the sensor module.

Abstract: Multi-electrode ablation systems, methods, and controllers are described. In one example, a method of beginning an ablation procedure using a multi-electrode ablation system is described. The method includes selectively coupling the output of a power supply to a first electrode of a plurality of electrodes to increase a temperature at the first electrode to a first temperature set-point and limit a rate of increase of the temperature at the first electrode to a predetermined first rate.

Abstract: A device for applying radiofrequency energy for sphincter treatment comprising a flexible outer tube, an expandable basket having a plurality of arms movable from a collapsed position to an expanded position, and a plurality of electrodes movable with respect to the arms from a retracted position to an extended position. An advancer is slidably disposed within the outer tube to move the plurality of electrodes to the extended position. An actuator moves the advancer from a first position to a second position to advance the plurality of electrodes. An aspiration tube extends within the outer tube. An assembly includes an aspiration disabler having a first position to enable aspiration from a distal portion of the aspiration tube to a proximal portion and a second position to disable aspiration.

Abstract: In one aspect, a fixed position RF electrode for conducting surgical procedures, includes a main device body detachably connectable to an RF generating system, a first polarized conductor and a second oppositely polarized conductor, a bipolar electrical conduit passing through the main device body that passes RF energy from the RF generating system to the first polarized conductor and the second oppositely polarized conductor, and a bipolar electrode for contacting a surgically operative material.

Abstract: A medical instrument includes a handpiece, an electromechanical transducer disposed in the handpiece, and an electrical circuit disposed at least partially in the handpiece for supplying alternating electrical current of a predetermined frequency to the transducer. A probe is operatively connected to the transducer for transmitting vibrations generated by the transducer to an operative site in a patient. A switching device is mounted to the handpiece and is operatively connected to the circuit and the transducer for enabling the supply of power to the transducer during a motion of the probe in a preselected direction relative to the handpiece and for disabling the supply of power to the transducer upon a termination of motion of the probe in the preselected direction.

Abstract: An apparatus for operating on tissue has a body, an elongate shaft, and an end effector. The elongate shaft extends distally from the body. The elongate shaft has an articulation section that is operable to selectively deflect the end effector laterally relative to the elongate shaft. The articulation section presents a first indication section and a second indication section. The first and second indication section may be configured to visually indicate the direction and degree of articulation of the articulation section. The first and second indication section may alternatively be configured to indicate the angular orientation of the end effector about the longitudinal axis. The body may further comprise a knob that is operable to rotate the shaft about the longitudinal axis. The knob may include a third indication section and a fourth indication section that align with the first and the second indication sections of the articulation section, respectively.

Abstract: A forceps includes an end effector assembly having first and second jaw members moveable with respect to one another between an open position and a closed position. A knife channel having a body and a base is defined within each jaw member. A knife assembly includes a knife having a bifurcated distal end. The bifurcated end includes first and second cutting members each defining an opposed cutting surface and having a tab at a free end thereof for translation through the base of a knife channel. The knife is translatable into the channels when the jaw members are in the closed position such that the cutting members are approximated when translated through the channels. The knife is also translatable into the channels when the jaw members are in the open position such that the cutting members are flexed apart when translated through the jaw members.

Abstract: A surgical instrument for treating tissue, the instrument including a housing and a shaft with an articulating portion and an end effector. The surgical instrument including a first casing connected to and rotatable with the proximal end of said shaft with an internal frame housed within the first casing and a plurality of posts supported by the internal frame and connected on their distal ends to at least one drive wire, and connected on their proximal ends to a threaded shaft; and a second casing connected to the first casing and rotatable therewith, said second casing housing the threaded shafts. The surgical instrument includes a first electric motor driving a first gear interfacing with the threaded shafts such that a first pair of the plurality of threaded shafts rotate in the same direction and cause the articulating portion to articulate in a first plane.

Abstract: A surgical instrument includes a handle assembly, an elongate body, a tool assembly, and an electrical energy source. The handle assembly includes an actuation knob. The elongate body extends distally from the handle assembly and defines a longitudinal axis. In particular, tool assembly is operatively coupled to the handle assembly and extends from a distal end of the elongate body. The tool assembly includes first and second jaw members each including an electrically conductive cutting element. The cutting elements are operatively coupled to the actuation knob. In particular, the cutting elements are movable between a first position in which the cutting elements are disposed within the respective jaw members and a second position in which the cutting elements extend out of the respective jaw members and are in general vertical registration with each other such that electrical energy can be transferred from the first jaw member to the second jaw member.

Abstract: Electric field delivery and ablation of target tissue regions, including cancerous cells and solid tumors. Methods and systems include delivering an electric field to a target tissue, and may include positioning a first electrode or plurality to at least partially define a first treatment volume in the target tissue; positioning a second electrode or plurality to at least partially define a second treatment volume, the first volume is disposed in the second volume; and establishing a first current flow extending through the first volume and a second current flow extending through the second volume.

Abstract: A surgical device is disclosed that comprises a sleeve member, a shaft member and a pair of electrodes. The shaft member extends distally of the sleeve member and has a pair of electrode channels that open at the distal end of the shaft member, wherein the electrode channels are positioned adjacent to one another. The pair of electrodes are configured to deliver energy, and one of the pair of electrodes are configured to be disposed in each electrode channel such that distal ends of each of the electrodes are arranged to protrude from the distal end of the shaft member. An irrigation annulus is formed about the electrodes. The shaft member further includes at least one lumen opening at the distal end of the shaft member.

Abstract: A coagulation suction device that includes a hollow suction tube, at least first and second bipolar wires, and an insulation cover. The hollow suction tube includes a closed distal tip, a proximal open end, and at least one suction opening positioned proximal of the closed distal tip. A position of the closed distal tip is adjustable relative to remaining portions of the hollow suction tube. The at least first and second bipolar wires extend along the hollow suction tube to the closed distal tip. The at least first and second bipolar wires each having an exposed distal end. The insulation cover encapsulates the at least first and second bipolar wires along a length of the first and second bipolar wires and terminates proximal of the exposed distal ends of the at least first and second bipolar wires.

Abstract: Medical devices, methods and kits useful in the disruption and removal of unwanted materials, such as calculi and other formations, from within body lumens are described. The disclosure describes particular embodiments and methods useful in the lithotriptic removal of stones from the salivary glands.

Abstract: A passively flexible ureteroscope having a diameter of less than about 2.5 millimeters is provided. The ureteroscope may help overcome many of the problems associated with the prior art devices and methods for removing kidney stones. The ureteroscope includes an elongate member having a distal portion, a proximal portion, and an inner conduit that extends longitudinally between the proximal and distal portions. The elongate member is made from a passively flexible material that is capable of being inserted and directed through a patient's body cavity, such as the ureter, by manual direction and pressure so that minimal, if any, additional mechanical or steering mechanisms are present. An imaging device and light source are provided at the distal portion of the elongate member to allow for positioning the device with respect to the stone. A laser fiber can be directed through the conduit to destroy a targeted stone.

Abstract: A surgical device according to an exemplary aspect of this disclosure includes, among other things, a tool at a distal end of the surgical device, and a joystick including a ball. Movement of the joystick results in movement of the tool. The surgical device further includes a housing including a socket receiving the ball of the joystick.

Abstract: Provided is a medical treatment tool, the distance between a first advance and retraction axis, and a tip end is shorter than the length of the first link member, and the length when a line segment connecting the base end and the center of a forceps rotation shaft is projected on the first advance and retraction axis is shorter than the length is projected on the first advance and retraction axis. The distance between a second advance and retraction axis, and a tip end is shorter than the length of the second link member, and the length when a line segment connecting the base end and the center of a forceps rotation shaft is projected on the second advance and retraction axis is shorter than the length projected on the second advance and retraction axis.

Abstract: A surgical instrument arrangement has a modular motor drive unit which has a drive arrangement having at least one output element, an instrument shaft that can be detachably connected to the drive unit, and a drive arrangement having at least one input drive element. The output drive arrangement and the input drive arrangement can be coupled to each other by a mechanical interface that has at least one single-sided linkage, a pin, and a cut-out, wherein the pin can be radially expanded in the cut-out. Alternatively, a gap may be formed between the pin and the cut-out, which gap is wavy in the radial direction, and in which a radially displaceable, axially fixed intermediate element arrangement is arranged. The surgical instrument arrangement may also include a sterile barrier, which is provided to envelop the drive unit and to be arranged between the drive unit and the instrument shaft.

Abstract: An adapter device for use in a reprocessing device for reprocessing surgical instruments. The adapter device including: at least one first fluid attachment, on an inlet side for connection to a coupling device of the reprocessing device; at least one second fluid attachment, on an outlet side for connection to the surgical instrument, the at least one second fluid attachment being adapted geometrically to an attachment of the surgical instrument; and an adapter identification feature that is detectable by the reprocessing device. Also provided is a reprocessing system having a reprocessing device for reprocessing surgical instruments and having the adapter device. The reprocessing device including: the coupling device for connecting to the adapter device; and a detection device which detects, with the adapter device connected to the reprocessing device, the adapter identification feature of the adapter device.

Abstract: Methods and devices are disclosed relating improved articular models, implant components, and related guide tools and procedures. In addition, methods and devices are disclosed relating articular models, implant components, and/or related guide tools and procedures that include one or more features derived from patient-data, for example, images of the patient's joint. The data can be used to create a model for analyzing a patient's joint and to devise and evaluate a course of corrective action. The data also can be used to create patient-adapted implant components and related tools and procedures.

Abstract: A surgical apparatus includes a surgical device, configured to be manipulated by a user to perform a procedure on a patient, and a computer system. The computer system is programmed to implement control parameters for controlling the surgical device to provide at least one of haptic guidance to the user and a limit on user manipulation of the surgical device, based on a relationship between an anatomy of the patient and at least one of a position, an orientation, a velocity, and an acceleration of a portion of the surgical device, and to adjust the control parameters in response to movement of the anatomy during the procedure.

Abstract: Teleoperation systems and methods for use during a surgical procedure. The teleoperation system comprises a surgical tool and a master input device for being moved by a user. A slave device is coupled to the surgical tool and responsive to movement of the master input device. The slave device is configured to be operated in a first mode or a second mode. In the first mode, the surgical tool is placed in a desired pose with respect to a target region in response to a manual force applied to the slave device. In the second mode, the surgical tool is manipulated during the surgical procedure in response to movement of the master input device by the user. A visual indicator is coupled to the surgical tool or the slave device to emit light in the second mode to provide visual information to the user in the second mode.

Abstract: Waste container lid assemblies configured for attachment to a base having a lid body and cap portion slidably connected by a tether. The lid body having an opening sized to accept medical waste and restrict access to prevent individuals from reaching into the waste container through the opening. A slot is in the lid body to permit slidable movement of the tether through the slot such the cap can be moved from a resting position in which the opening is configured for receiving waste to a closed position such that the cap portion covers the opening.

Abstract: A system, in particular for image-guided surgery, comprising: at least two display devices; a position determinator for determining the relative position of the display devices; and an image generator for generating images, which are to be displayed by the display devices, in accordance with the determined relative position.

Abstract: A dental syringe that facilitates the expulsion of air from a syringe body when dental material is injected into the syringe body from a discharge port of the syringe body and the discharge of the dental material from the syringe body during use for treatment. The syringe includes a syringe body, a plunger, and an O-ring that is mounted in an engagement groove formed at a front end portion of the plunger. The engagement groove includes a shallow groove at the front end side and a deep groove at the rear end side. When the dental material is injected into the syringe body, the O-ring engages with the shallow groove, and when discharging the dental material, the O-ring engages with the deep groove.

Abstract: A dental dam clamp and method comprising an aperture frame, a first opposing jaw, and a second opposing jaw is disclosed. The first opposing jaw is coupled to a first opposing end of the aperture frame, and the second opposing jaw coupled to a second opposing end of the aperture frame. The first opposing jaw and the second opposing jaw are biased toward a rest state by the aperture frame. The external surface of the aperture frame comprises at least one notch, and the internal surface of the aperture frame defines a treatment aperture. The aperture frame may be substantially parallel with both the first opposing jaw and the second opposing jaw.

Abstract: A magnetic tooth alignment device includes a first magnetizable element configured to be adhered to a tooth. The magnetizable element may be a magnet, a metal, or another magnetizable material. An aligner tray is configured to partially encase a plurality of teeth and the first magnetizable element. A secondary magnet holder is configured to partially encase the aligner tray. The secondary magnet holder includes a secondary magnet configured to magnetically interact with the first magnetizable element when the secondary magnet holder is partially encasing the aligner tray. An inner wall of the aligner tray includes a cavity and the inner wall is configured to stop movement of the tooth when the first magnetizable element enters the cavity and contacts the inner wall of the aligner tray. The aligner tray in implementations couples with the plurality of teeth using only a friction fit.

Abstract: The present invention refers to an analog implant for a dental model which has such a geometry as to allow its height positioning, axial positioning and angular orientation in a bore or blind hole of a dental model, the analog implant having a distal portion and a proximal portion, where the proximal portion has a rotationally symmetric geometry in a cross-section which is perpendicular to the axis of the proximal portion, where the rotationally symmetric geometry is adapted to ensure securing against rotation and repositioning of the analog implant in a bore or blind hole of a dental model, the external geometry of the proximal portion being such that the analog implant can be removed from the dental model, and where a proximally positioned shoulder of the distal portion forms a height stop which allows precise height positioning of the analog implant on the dental model or on the soft tissue of the dental model, respectively.

Abstract: An adjustable dental implant comprises an implant body, a connecting structure, and two wings. The implant body comprises a fixture and an abutment. The fixture comprises a top, a bottom, a peripheral surface connected between the top and the bottom, and a joining portion formed on the peripheral surface. The abutment is set on the top of the fixture. The connecting structure is set between the fixture and the abutment. The wings are pivotally connected with two opposite sides of the connecting structure. Or, one of the wings is pivotally connected with the connecting structure, and the other wing is fixed with the connecting structure. The wing or the wings may be adjusted to fit the surface of the cortical bone. Dental posts are allowed to penetrate the alveolar bone entirely to secure the fixture.

Abstract: A container 10 for mixing and dispensing of material having a liquid receptacle 14 and a plunger 18. The receptacle 14 has a front portion 36 and the plunger 18 has a forwardly projecting sharp protrusion 42 having a shaft 72 which terminates in a sharp outer end 78, 82. Upon the plunger 18 being depressed the sharp protrusion 42 pierces a front portion 36 of the liquid receptacle 14 and the liquid in the receptacle 14 is pushed hydraulically through the front portion 36 into a main chamber 17. Thus the liquid contacts material in the main chamber 17 to form a mixture. The plunger 18 can continue to be depressed so as to break the front portion 36 of the liquid receptacle 14 away and then push the material in the main chamber 17 towards a dispensing nozzle 26. The main chamber 17 has a frangible membrane 22 at a distal end 13 thereof which is hydraulically broken by pressure applied from the material in the main chamber 17 so that the material can be dispensed from the container 10.

Abstract: A system for dispensing a dental material comprises a cartridge from which the dental material is extrudable. The cartridge comprises a operating means and an interface for transmitting a cartridge output based on a user input. The system further has a dental dispensing device having a receptacle for receiving the cartridge and an interface for receiving the cartridge output. The system helps maximizing reliability and maximizing safety in operation for dispensing dental material.

Abstract: An oral irrigator including a fluid reservoir, a pumping assembly, a pressure control assembly, and a nozzle. The pumping assembly comprises a power source, a motor in electrical communication with the power source, and a pump in fluid communication with the reservoir. The pressure control assembly is in fluid communication with the pump; mechanically varies a pressure of a fluid exiting the nozzle to change the outlet pressure of the oral irrigator a high pressure to a low pressure and vice versa.

Abstract: An oral care implement, such as a toothbrush, which includes a handle and a replacement head utilizing a specially designed structure for coupling the replacement head to the handle of the oral care implement. The replacement head comprises a head and a tubular sleeve comprising a cavity for receiving a handle. A protuberance protrudes radially inward from an inner surface of the tubular sleeve for engaging a boss of a stem on the handle to impede rotation of the tubular sleeve about the stem in a first angular direction. A locking tab protrudes radially inward from the inner surface of the tubular sleeve for engaging an undercut surface of the boss to prevent axial disengagement of the tubular sleeve from the stem. The locking tab is circumferentially spaced from the protuberance so that a first axial channel exists therebetween for receiving a section of the boss.

Abstract: A material deposition device includes a solution supply component, a gas supply component, and a co-axial discharge mechanism. The co-axial discharge mechanism includes a solution discharge mechanism, and a gas discharge mechanism co-axial with the solution discharge mechanism. The material deposition device further includes an alignment component that aligns the solution discharge mechanism in a center of the gas discharge mechanism; and an orifice plate with a number of turbulence inducing structures that induce turbulence in gas exiting the gas discharge mechanism.

Abstract: Fourth toe processing apparatus and methods for the processing the fourth toes of a bird are disclosed. The fourth toe processing apparatus includes a shield, a non-contact energy source emitting energy towards the shield, a shank restraint structure receiving a shank of a bird located proximate the second side of the shield, and a fourth toe aperture extending through the first side and the second side of the shield. Energy emitted towards the shield by the energy source passes through the fourth toe aperture so that a fourth toe of a bird having its shank positioned in the fourth toe aperture is exposed to the energy.

Abstract: A device to administer multiple capsules or pills or a combination of capsules or pills into the mouth of an animal. The device is gravity fed and is composed of seven parts. The parts are: (i) a molded tee handle, (ii) a molded trigger pin (tee handle), (iii) a spring pin (trigger release pin) which is part of the molded trigger; (iv) a torsion spring; (v) a tube which can be 6 inches long with an outer diameter such as ½ inch with varying inner diameters resulting from different interior thicknesses of the barrel; (vi) a ? inch ID #4 pan head screw; and (vii) a ? inch diameter disc.

Abstract: Described herein is a dispenser for dispensing fluid that, integrated into one hand piece, comprises a variable volume chamber with a plunger disposed within the chamber and a chamber inlet and outlet. The inlet and outlet communicate directly with a common chamber volume and the plunger translates in a linear direction relative to the chamber along a common longitudinal axis to expel fluid from the chamber (expel stroke) and/or draw fluid into the chamber (drawing stroke). The plunger is linked to a controller, a power source and a motor that drives translation movement of the plunger. The dispenser described herein offers a variety of advantages over the art including accurate dosing without the user having to manually regulate the dose amount—the amount to be dosed is related to the volume of fluid in the chamber which can be pre-set or varied automatically using sensors and controllers.

Abstract: The disclosure relates generally to an extended use systems and devices for management of bladder function for people with urinary dysfunction. The system includes a prosthesis which can include a retaining portion to prevent migration and a valve that can control fluid flow. The catheter can be placed inside the bladder using devices that facilitate insertion and extraction. The placement of the catheter can be done by a trained individual such as a patient, as well as a clinician, a nurse, or a caretaker. Once placed inside the bladder, the catheter can be fully-internal, meaning no portion of the catheter is visible from outside of the patient's body.

Abstract: In an embodiment, the present invention discloses a medical assembly, including a sub-urethral implant, a strap, a dilator, and a suture. The implant includes a first end portion and a second end portion such that the strap is configured to be attached to the first end portion of the implant. The strap is attached to the implant through a weld. The strap is further configured to be coupled to the dilator. The suture can be coupled to the dilator.

Abstract: Compliance control stitch patterns sewn or embroidered into biotextile or medical textile substrates impart reinforcing strength, and stretch resistance and control into such substrates. Compliance control stitch patterns may be customizable to particular patients, substrate implantation sites, particular degenerative or diseased conditions, or desired time frames. Substrates having compliance control stitch patterns sewn or embroidered into them may be used in tissue repair or tissue reconstruction applications.

Abstract: A distal protection device for use in a body lumen includes a functional element, which may be a filter or an occlusive element. The device includes a first elongate member, a second elongate member carried by the first elongate member, and the functional element carried by the second elongate member. Motion of the first elongate member can be independent of the motion of the functional element.

Abstract: The present disclosure relates to an anchor. The anchor includes a suture bridge having a proximal end and distal end. The distal end of the suture bridge has a thickness greater than a thickness of the proximal end of the suture bridge. At least two ribs extend from the proximal end of the suture bridge to a proximal end of the anchor. At least one open helical coil wraps around the at least two ribs and extends, substantially, from the proximal end of the suture bridge to the proximal end of the anchor. The at least one open helical coil defines an internal volume communicating with a region exterior to the anchor through apertures between turns of the at least one open helical coil. The at least two ribs are engagable with a grooved shaft of a driver.

Abstract: A prosthetic implant material for use in a prosthetic implant, comprising a gel and optionally a gas.

Abstract: The present invention provides valve prostheses adapted to be initially crimped in a narrow configuration suitable for catheterization through body ducts to a target location and adapted to be deployed by exerting substantially radial forces from within by means of a deployment device to a deployed state in the target location.

Abstract: A catheter is described for the transvascular implantation of prosthetic heart valves, e.g., including self-expanding anchorage supports, to reduce the risk to the patient during the implantation. Accordingly, a prosthetic heart valve with anchorage supports is temporarily housed in a folded form in a cartridge-type unit during the implantation. The cartridge-type unit can be fixed on the proximal end of a guide system, which includes a flexible region that can be guided through the aorta. Actuating elements run through the interior of the hollow guide system, permitting sections of the cartridge-type unit to be displaced radially about their longitudinal axis and/or laterally in a proximal direction, thus allowing individual sections of the anchorage support and the associated prosthetic heart valve to be sequentially released.

Abstract: An apparatus and method of deploying a stent graft having a proximal anchor stent ring includes restraining proximal apexes of the proximal anchor stent ring between a spindle body of a spindle and a control release sleeve of a tapered tip. The control release sleeve is advanced relative to the spindle to release a first proximal apex through an opening in the control release sleeve while the remaining proximal apexes remain restrained by the control release sleeve. The control release sleeve is further advanced relative to the spindle to release the remaining proximal apexes from the control release sleeve. In another example, a stent capture fitting has variable length stent capture fitting arms. As the stent capture fitting is retracted, the proximal apexes of the proximal anchor stent ring are sequentially exposed from and released by the variable length stent capture fitting arms.

Abstract: A collapsible prosthetic heart valve includes a stent and a valve assembly. The stent has an annulus section with a relatively small cross-section, and an aortic section with a relatively large cross-section. The valve assembly, including a cuff and a plurality of leaflets, is secured to the stent in the annulus section such that the valve assembly can be entirely deployed in the native valve annulus and function as intended while at least a portion of the aortic section is held by the delivery device in a manner that allows for resheathing. The configuration of the prosthetic valve is such that the valve leaflets can fully coapt and the valve can function properly even when the stent and/or valve assembly become distorted upon deployment or use.

Abstract: A heart valve prosthesis has an annular body (2) and with several flap elements (4) which are movably connected to the annular body (2) via joints (10). The joints (10) engage on the flap elements (4) at their ventricular surface (18).

Abstract: Apparatus includes an annuloplasty structure, including: (i) a tubular body portion that is configured to be disposed at an annulus of a valve of a heart, and is shaped to define a perimeter; (ii) a flexible member, disposed within the tubular body portion; (iii) a first adjustment mechanism, attached to the tubular body portion and to the flexible member such that reversible actuation of the first adjustment mechanism reversibly adjusts a first dimension of the body portion by adjusting tension of the flexible member; (iv) a second adjustment mechanism, coupled to the tubular body portion, and reversibly actuatable to reversibly adjust a second dimension of the body portion. The apparatus further includes one or more elongate tools, reversibly couplable to the first and second adjustment mechanisms, and configured to independently actuate the first and second adjustment mechanisms by applying force thereto while the heart is beating.