Abstract: An endoscopic bipolar forceps includes a housing and a shaft affixed to the housing. The shaft includes a longitudinal axis defined therethrough and a pair of jaw members attached to a distal end thereof. The forceps also includes a drive assembly for moving one of the jaw members relative to the other jaw member from a first position wherein the movable jaw members are disposed in spaced relation relative to each other to a second position wherein the jaw members are closer one another for manipulating tissue. A movable handle is included which is rotatable about a pivot to force a drive flange of the movable handle into mechanical cooperation with the drive assembly to move the jaw members from the open and closed positions. The pivot is located a fixed distance from the longitudinal axis and the drive flange is located generally along the longitudinal axis.

Abstract: A rotatable jaw device for use with an endoscope, and method for using such a device. The device includes a fork, and two jaws pivotally mounted to the fork. The jaws are movable between a predetermined closed position and a predetermined open position. At least one jaw has at least one protrusion on a surface of the jaw. The at least one protrusion prohibits movement of the two jaws in the opening direction beyond the predetermined open position.

Abstract: A user interface for a surgical system can include a display configured to output video images of a remote surgical site at which one or more electrosurgical instruments of the surgical system are deployed; and a graphical user interface configured to be output on the display with the video images. The graphical user interface may comprise a visual indication of a state of the one or more electrosurgical instruments that indicates a state of the one or more electrosurgical instruments being ready for activation to deliver energy or actively delivering energy.

Abstract: A device prepares leaflets for cardiovascular valve reconstruction from a pericardial tissue sheet harvested from a patient. A cutting tool is adapted to cut a predetermined pattern having a selected leaflet size. The device is continuously adjustable using a plurality of slidable blade segments forming a closed periphery. Radially-slidable links are slidably attached to respective blade segments. An adjustment disc is coupled to the links, wherein rotation of the adjustment disc varies a radial position of the links to modify an overlapping of the blade segments in order to select a corresponding size of the closed periphery.

Abstract: A vitrectomy apparatus is provided, including a pressure source, a cut valve connected to the pressure source, the cut valve configured to be turned on and off to provide pressure to selectively extend and retract a vitrectomy cutting device, a sensor configured to sense pressure provided from the cut valve, and a controller configured to control operation of the cut valve based on pressure sensed by the sensor.

Abstract: A tunneling tool for forming a tissue channel and/or pocket beneath a portion of skin along a body comprises a distal end having a tunneling member and a guide. The tunneling member is configured for forming the tissue channel and/or pocket beneath the portion of skin while the guide remains above the skin and indicates the location of at least a portion of the tunneling member. An anchor for securing an elongate device to body tissue comprises an anchor body configured to receive the elongate device; a mechanism configured to removably attach the anchor body to the elongate device so as to resist movement of the elongate device in relation to the anchor body; and at least one tissue engagement element configured to assist in attaching the anchor body to the body tissue.

Abstract: An arthroscopic or other surgical cutter has features which facilitate fabrication by ceramic molding. The arthroscopic cutter includes a cutter body having a longitudinal axis and a window, an interior channel, and a plurality of cutting edges extending radially outwardly from an outer surface thereof. The features include non-helical, longitudinally aligned cutting edges, controlled thicknesses of the cutting edges, controlled heights of the cutting edges, controlled areas of the windows, controlled diameters of the internal channels, controlled rake angles of the cutting edges, and other parameters.

Abstract: An endoscopic bipolar forceps includes a housing and a shaft affixed to the housing. The shaft includes a longitudinal axis defined therethrough and a pair of jaw members attached to a distal end thereof. The forceps also includes a drive assembly for moving one of the jaw members relative to the other jaw member from a first position wherein the movable jaw members are disposed in spaced relation relative to each other to a second position wherein the jaw members are closer one another for manipulating tissue. A movable handle is included which is rotatable about a pivot to force a drive flange of the movable handle into mechanical cooperation with the drive assembly to move the jaw members from the open and closed positions. The pivot is located a fixed distance from the longitudinal axis and the drive flange is located generally along the longitudinal axis.

Abstract: A transparent cover member for a skin treatment device passes light and heat to a user's skin. The transparent cover member presents a comfortable flat surface at its exterior, and includes features that couple to a heating element that surrounds a plurality of visible light LEDs. The transparent cover member can include retaining features to assist in assembling the head assembly of the skin treatment device.

Abstract: Described here are devices, systems, and methods for forming a fistula between two blood vessels. Generally, the systems may comprise a first catheter and a second catheter, which may comprise one or more fistula-forming elements. The first and second catheters may comprise one or more magnetic elements, which may be used to assist in bringing the first and catheters in closer proximity to facilitate fistula formation. In some variations, the magnetic elements may have magnetization patterns such that the flux generated by the magnetic elements is locally concentrated. In some instances, the system may comprise a magnetic control device, which may comprise a magnet, and may be used to increase or create an attractive force between the first and second catheters.

Abstract: A system for needle-free drawing of blood is disclosed. A hand-portable device can include an evacuated negative-pressure barrel with a membrane sealing an aperture at a distal end, and a housing affixed to a proximal end. An accelerator barrel can be positioned within the negative-pressure barrel and fixed to the housing, with an open proximal end in a chamber in the housing, and an open distal end aligned with the aperture. The chamber can be filled with pressurized gas, and a trigger valve can hydrostatically separate the chamber from the open proximal end of the accelerator barrel. A micro-particle positioned within the accelerator barrel can be accelerated to high speed by an abrupt surge of gas by releasing the trigger valve. The micro-particle can attain enough momentum to pierce the aperture membrane and penetrate adjacent dermal tissue. A resulting micro-emergence of blood can be drawn into the negative pressure barrel.

Abstract: Devices and systems are provided for tracking a position and orientation of a handheld implement, such that the handheld implement may be trackable with an overhead tracking system. A support member secures one or more markers relative to a longitudinal portion of the handheld implement, and a marker plane containing the markers is orientated an angle relative to a longitudinal axis of the longitudinal portion. A marker assembly may include a support member for supporting the markers, and a connector for removably attaching the marker assembly to one or more handheld implements. The marker assembly may be configured to be removably attachable to a plurality of connection adapters, where each connection adapter is further connectable to a handheld implement, optionally at a calibrated position, such that a single connection adapter can be optionally employed to track a plurality of handheld implements. The handheld implement may be a medical instrument.

Abstract: The present disclosure discloses a knot-tying device and a knot-tying system with the knot-tying device. The knot-tying device comprises a shear knife provided at a front end of a driving rod. Hilts of the shear knife (18) are opened by an elastic member, and the hilts are pressed by the driving rod to close and cut a suture. The shear knife is used as a substitute for a cutter in the related art, and is driven to close by the driving rod so as to realize a shearing function. When the suture is cut off by the shear knife, a requirement for sharpness of blades are greatly reduced, and the blades are able to be realized by a common processing method, thereby greatly reducing cost while ensuring reliability. In addition, abrasion on the blades from the suture is reduced, thereby greatly prolonging the service life of the product.

Abstract: An instrument drive assembly includes a housing assembly and a coupling assembly. The housing assembly includes a drive assembly. The coupling assembly releasably couples an instrument drive shaft to a drive member of the drive assembly and an instrument sleeve of the surgical instrument to the housing assembly. Actuation of a retention mechanism of the coupling assembly between a locked and unlocked configuration couples and decouples the instrument sleeve of the surgical instrument therewith.

Abstract: A surgical instrument includes a first actuation assembly coupled to a first component and movable from a first position to a second position to actuate the first component. A biasing member coupled to the first actuation assembly is configured to bias the first actuation assembly towards the first position. A second actuation assembly is coupled to a second component and is selectively actuatable to actuate the second component. The second actuation assembly is coupled to the first actuation assembly such that actuation of the second actuation assembly effects movement of the first actuating assembly from the first position towards the second position. A linkage assembly is configured to reduce the bias applied to the first actuation assembly when the second actuation assembly effects movement of the first actuation assembly.

Abstract: Described herein is an anti-skid surgical instrument for use in preparing holes in bone tissue. The disclosed surgical instrument provides the ability to prepare a precise hole in bone tissue during surgery (e.g., spinal surgeries and pedicle screw placement, intramedullary screw placement). The disclosed surgical instrument accomplishes precise hole placement regardless of whether the angle between the drill axis and surface of the bone tissue is perpendicular. The disclosed technology includes a flat drilling surface which is perpendicular to the surface of the body of the surgical instrument. This reduces the likelihood of the surgical instrument skidding on the surface of the bone tissue and thereby increases the precision of the hole.

Abstract: A thrombectomy system is provided that, in various embodiments, a rotating impeller that may be translated within limits along a guidewire and within a catheter. The rotating impeller is, during operation, either located entirely outside of the distal end of the catheter's lumen or at least partially outside of the distal end of the catheter's lumen, whereby rotation is prevented if the impeller is completely within the catheter's lumen.

Abstract: A bone plate system for securing a plurality of bones is provided including a plate member, a locking device of the bone plate, and a surgical cable having a trailing end for being connected to the bone plate and a leading end for being advanced around the bones and into the locking device. The surgical cable may be tensioned to approximate the bones, urge the bones together, and seat the bone plate against the bones. The locking device may be reconfigured to a locked configuration to fix the bone plate to the surgical cable. The bone plate further includes a plurality of throughbores for receiving bone anchors that rigidly fix the bone plate to the bones. The bone plate system utilizes the tensile strength of the surgical cable and the rigid fixation between the bone anchors and the bone plate to resist relative movement of the bones.

Abstract: Disclosed herein is a medical apparatus. The medical apparatus includes an adapter, a tool hub, and a releasing member. The adapter is configured to be fastened to a surgical handpiece. The adapter has a lumen, and the lumen has an interior surface. The tool hub is configured to be fastened to the adapter by a snap-in mechanism through the interior surface of the lumen. The releasing member is configured to release the tool hub from the adapter by a twisting force on the releasing member. The releasing member includes a restoring mechanism configured to restore the releasing member from a twisted state to a normal standing state upon removal of the twisting force.

Abstract: A surgical instrument includes a first drive assembly, a second drive assembly, and a deployment mechanism. The first drive assembly is coupled to a first component and is configured to translate a first longitudinal distance X1 to deploy the first component. The second drive assembly is coupled to a second component and is configured to translate a second longitudinal distance X2 to deploy the second component. The deployment mechanism is operably coupled to both the first and second drive assemblies and is configured to move from a first position to a second position to translate the first and second drive assemblies the respective first and second longitudinal distances X1 and X2 to deploy the first and second components.

Abstract: A motorized surgical handpiece with a chuck. Internal to the chuck are clamping members that releasably hold clamp the shaft of a cutting accessory to a drive shaft so the cutting accessory rotates upon the actuation of the motor. The chuck includes a collar with an opening through which the cutting accessory is inserted. The opening is non-circular in shape. When an accessory shaft with a cross sectional shape that matches the shape of the opening is inserted in the opening, the accessory shaft is appropriate aligned with the chuck clamping members.

Abstract: Aspects of the present disclosure are directed toward apparatuses, methods, and systems comprising an introducer apparatus for facilitating subcutaneous implantation of a medical device. The introducer apparatus may include a housing and an inserter configured to disengage from the second portion.

Abstract: Disclosed herein are devices and methods of percutaneously treating an ulcerated wound using ultrasonic energy. Some methods include delivering ultrasonic energy to a target tissue located at a position subcutaneous to the ulcerated wound. In some methods, the ultrasonic energy is delivered using an ultrasonic energy delivery device.

Abstract: Provided is a surgical instrument, in more detail, a surgical instrument that may be manually operated to be used in laparoscopic surgery or various other kinds of surgery. To this end, the present invention provides a surgical instrument including an end tool configured to be rotatable in at least two directions; a manipulator including a pitch operator controlling a pitch movement of the end tool, a yaw operator controlling a yaw movement of the end tool, and an actuation operator controlling an actuation movement of the end tool; a power transfer unit configured to transfer an operation of the manipulator to the end tool; and a connection unit extending in a first direction (X-axis), and connecting the manipulator to the end tool when the end tool is coupled to an end portion of the connection unit and the manipulator is coupled to the other end portion of the connection unit, wherein at least a part of the manipulator extends towards the end tool.

Abstract: An end effector assembly configured for use with a surgical instrument or surgical system includes first and second jaw members each including an outer jaw housing, a tissue-treating plate, and a longitudinally-extending channel therethrough. At least one of the first or second jaw members is pivotable relative to the other between a spaced-apart position and an approximated position. A cutting mechanism is configured to cut tissue grasped between the jaw members. The cutting mechanism may include an activation member coupled to a knife and configured to advance the knife transversely between the jaw members, a heat-activated elongated sheet configured to un-roll to advance a cutting edge thereof transversely between the jaw members, or a clutch and spring mechanism configured to deploy a knife longitudinally between the jaw members.

Abstract: An end effector includes a drive system to rotatably drive a removeable cutting accessory. The cutting accessory defines a bore. The drive system includes a drive member that defines a lumen. A cartridge is provided to deliver liquid from a liquid source, through the lumen of the drive member, through the bore of the cutting accessory, and to a surgical site.

Abstract: Various membrane delamination devices for removing proliferative membranes from underling tissues are disclosed herein. In some implementations, the delamination device may include a first shearing part and a second shearing part. One of the first shearing part and the second shearing part may be moveable relative to the other of the first shearing part and the second shearing part. One or more of the shearing parts may include a plurality of teeth formed at a leading edge thereof. A shearing action produced by operation of the shearing parts may be used to sever fibers joining proliferative membranes from an underlying tissue.

Abstract: A bone cutting surgical instrument includes features to mitigate heat generation during use. Excessive heat can be detrimental to bone health as well as to the instrument itself. In one example a liquid dispensing feature provides a flow of cooling liquid to an ultrasonic blade via a lumen in a waveguide of the instrument. In another example, the blade has a serrated edge with a plurality of teeth arranged in a pattern to provide dimension and space during cutting actions. In another example, the blade has an oversize distal portion that creates an oversize slot when cutting to avoid excessive contact between the cut bone and proximal portions of the blade. In another example the blade includes an irrigation slot and also a micro slot in a distal end of the blade that connects with the irrigation slot.

Abstract: Rotational atherectomy devices and systems can remove or reduce stenotic lesions in blood vessels by rotating an abrasive element within the vessel. The abrasive element can be attached to a distal portion of an elongate flexible drive shaft that extends from a handle assembly. In particular embodiments, the handle assembly includes a compressed gas driven turbine member that drives rotation of the drive shaft. The turbine member can be rotatably attached to a carriage that is longitudinally translatable in relation to a housing of the handle assembly. The handle assembly can include a latch mechanism that when actuated allows the carriage to translate to a proximal-most position. While the carriage is in the proximal-most position, an open pathway is created so that a guidewire can be slidably passed through the handle assembly and a lumen of the drive shaft.

Abstract: A reusable medical procedure power too includes a housing having an aperture. A removable attachment interface is connected to the power tool via the aperture. The attachment interface provides for receiving a power tool attachment. A removable and replaceable cover is provided on the entire housing, and the cover includes a single opening aligned with and immediately adjacent to the aperture.

Abstract: A bone fragment and osteomedullary tissue harvesting system that includes a harvesting device, a collection vessel and tubing. The harvesting device includes a needle portion and a handle portion. The needle portion that has a needle bore that extends through at least part of the needle portion. The handle portion is operably attached to the needle portion. The handle portion includes a connection port and a vacuum control mechanism that are in communication with a handle bore that extends through the handle portion. The needle bore is in communication with the handle bore. The vacuum control mechanism includes a vacuum aperture that extends through a surface of the handle portion and is in communication with the handle bore. The collection vessel is capable of receiving aspirated bone fragments and tissue. The tubing operably connects the connection port and the collection vessel.

Abstract: Disclosed are a method for measuring the level of muscle relaxation, a device thereof and an apparatus for measuring muscle relaxation, and the method respectively obtains the sampled values of the acceleration and angular velocity of the measurement site via an acceleration sensor and an angular velocity sensor or a speed sensor and an angular velocity sensor, in order to calculate the degree of muscle relaxation according to the sampled values of the acceleration and angular velocity. As the calculated results combine the sampled values of the acceleration and angular velocity of the measurement site, the accuracy of the calculated results is higher. Moreover, the measurement combines an acceleration sensor and an angular velocity sensor or a speed sensor and an angular velocity sensor, so that the apparatus for measuring muscle relaxation can be placed in any position of the measurement site without influencing the accuracy of the measured results.

Abstract: Intravascular devices, systems, and methods are disclosed. In some embodiments, the intravascular devices include at least one electronic, optical, or electro-optical component positioned within a distal portion of the device and one or more connectors positioned at a distal portion of the device. In some instances, the connectors are flexible coils, such as a ribbon coil, formed of a conductive material. In some particular instances, the conductive coil is embedded within a polymer tubing. Further, in some embodiments the electronic, optical, or electro-optical component is positioned within a flexible element at the distal portion of the device. In some instances the flexible element is a coil. Methods of making and/or assembling such intravascular devices/systems are also provided.

Abstract: A personal appliance. The personal appliance includes a handle having an implement connecting structure. An implement is connected to the implement connecting structure. An implement displacement sensor is positioned in the handle. The implement displacement sensor measures a displacement of the implement relative to a fixed position of the handle. A power source, an acceleration sensor and an angular velocity sensor are positioned in the handle.

Abstract: A method of manufacturing a skin pricking lancet includes: thermoforming a plastic component; locating the thermoformed component and, optionally, one or more further plastic components around a lancet mechanism; and joining the located component(s) to form a hermetically sealed enclosure surrounding the lancet mechanism, the component(s) being formed and joined to provide a housing that structurally supports the lancet mechanism during use, and a cap breakable from the housing to facilitate firing of the lancet mechanism.

Abstract: Aspects of the present disclosure are directed toward apparatuses, systems, and methods that comprise an introducer apparatus for facilitating subcutaneous implantation of a medical device. In certain instances, the apparatus may include a housing, an inserter configured to pass the medical device through the housing, and a tunneler configured to form a subcutaneous pocket for the medical device.

Abstract: A powered surgical handpiece including a housing, a printed circuit board, a sensor, and an actuator assembly. The housing has a longitudinal axis extending from a first end to a second end of the housing. The printed circuit board has a first face and a second opposing face. The first and second faces extend perpendicular to the longitudinal axis. The sensor is coupled to the first face of the printed circuit board. The sensor is centered along the longitudinal axis of the housing. The actuator assembly includes a lever and an actuator. The lever is pivotally coupled to the housing. The lever maintains a magnet slidably positionable along the lever. The magnet is positionable to be proximal to the sensors.

Abstract: A deflectable surgical shaver tool comprises a blade with a rotatable cutting shaft comprising a distal cutting end and a proximal non-cutting end, a fixed outer sheath coaxially surrounding the rotatable cutting shaft, a cutting window at the distal cutting end, and at least a portion that is deflectable. The surgical shaver tool may further comprise an actuator; a handpiece; and a first wire and a second wire, each operatively coupled to the actuator at a proximal end and to the deflectable section at an opposite distal end. The first wire and the second wire are configured to control deflection of the deflectable portion when the actuator is manipulated. This configuration allows for the curvature of the blade to be changed for more efficient surgical procedures and prevents harm to the patient.

Abstract: In some embodiments, a system for scoring human endocardium tissue may include a first conduit and an activation system. The first conduit may include a first opening, a second opening, and a cutting device. The first opening may be positioned at a proximal end of the first conduit. The second opening may extend from adjacent to a closed distal end portion of the first conduit. The cutting device, when activated, may cut through a portion of a depth of endocardium tissue positioned adjacent the second opening. The cutting device may selectively cut or score the endocardium to a specified depth and length in the endocardium of a left ventricle of a human heart.

Abstract: A clamp device for a flexible tube which can minimize the sealing area and prevent leakage of fluid and achieve easy release of the clamp device of a flexible tube.

Abstract: A device prepares leaflets for cardiovascular valve reconstruction from a pericardial tissue sheet harvested from a patient. A cutter is adapted to cut a predetermined pattern having a selected leaflet size. A tissue marker automatically aligned with the predetermined cutting pattern is configured to mark suture positions on the leaflet in response to placement of the cutter. Cutting of a leaflet from the tissue sheet and marking of suture positions on the leaflet are obtained concurrently. A set of such devices spanning a variety of leaflet sizes may be provided in a kit that results in an ability to quickly obtain a properly sized and marked leaflet for reconstruction.

Abstract: A computer implemented method comprises activating a control mechanism on a catheter handle in a first direction with respect to a user to steer a distal end of a catheter within a body in a second direction while the catheter handle is in a first rotational position. The control mechanism includes a first indicator associated with the first direction. The computer implemented method also includes obtaining an image from the distal end of the catheter of a tissue region of interest within the body and calibrating a first rotational motion of the catheter handle with a rotational motion of the image. With the catheter handle in a second rotational position that is different than the first rotational position, the control mechanism activated in the first direction with respect to the user moves the distal end of the catheter in the second direction.

Abstract: A hair anchor prepared by a process whereby a plurality of hair anchors are formed from a single elongated metal tube according to some embodiments of the present disclosure may include forming at least two slits in an elongated direction of the elongated metal tube, each slit spanning prospective end portions of at least two hair anchors; and severing the elongated metal tube at an intermediate location along the at least two slits such that a first portion of each of the at least two slits is contained in one of the at least two hair anchors and a second portion of each of the at least two slits remains attached to the elongated metal tube for inclusion in a subsequent hair anchor to be later severed from the elongated metal tube.

Abstract: A surgical system which may include a controller, a data entry device, a powered surgical handpiece and a surgical tool adapted to couple to the surgical handpiece. The surgical handpiece can include motor direction control and feedback, safety stop features, stimulation and nerve integrity monitoring, a tool connector assembly configured to retain a variety of surgical tools and optional navigation and/or electric ratcheting features.

Abstract: Devices and methods are disclosed for treating mitral valve regurgitation that include members that assist the valve in closing during the cardiac cycle. Such devices may include members configured to alter the shape of mitral valve annulus. In certain embodiments, one or more wires may be anchored on one extremity to an element positioned along the posterior part of the mitral annulus, in the coronary sinus, and on another extremity to an element along the anterior part of the mitral annulus, fibrous trigon. The reshaping of the mitral annulus may be accomplished by pulling the wire or wires. Reducing the length of the wire or wires may provide the displacement of the posterior leaflets towards the anterior, thereby increasing the coaptation surface for the valve leaflets and reducing the regurgitation.

Abstract: A medical device comprising a subcutaneous access port having an access port body and at least one needle having a removable needle tip and a needle shaft defining a needle lumen; the at least one needle housed within the access port body, the at least one needle extendable and retractable relative to the access port body; and a needle shift mechanism operable such that the at least one needle is extendable from and retractable into the access port body at a plurality of positions of the access port body.

Abstract: An apparatus that performs a bypass procedure includes a steerable body portion and at least one transducer controlled by at least one controller. The system may include one or more acts of transluminally detaching at least a portion of a first artery from connective tissue of a chest wall that is attached to the first artery by applying ultrasound signals of a first type emitted by the at least one transducer situated within the first artery; steeling the detached portion of the first artery from a current location to a bypass location by applying a force from the steerable body portion, which is located outside of the first artery, to at least a portion of the detached portion of the first artery; and coupling the first artery to a target artery at the bypass location to establish flow communication between the first artery and the target artery.

Abstract: A tissue collection and processing system for collecting bone fragments and tissue therein. The tissue collection and processing system includes a collection vessel, a collection vessel cap and a filter container. The collection vessel has an opening formed therein. The collection vessel cap is capable of engaging the collection vessel to substantially seal the opening. The collection vessel cap or the collection vessel includes a first port and a second port. The filter container is mounted with respect to the first port.

Abstract: The present invention, in accordance with various embodiments thereof, relates to a surgical device for at least one of cutting and stapling a section of tissue. The surgical device includes a housing including at least two drivers. The surgical device also includes an anvil mechanically attachable to the housing and moveable relative to the housing between an open position and a closed position. The first driver operates to move the anvil relative to the housing to an intermediate position between the open position and the closed position. The second driver operates to move at least a portion of the housing relative to the anvil between the intermediate position and the closed position.

Abstract: A flow control clamp having a first member and a second member movable from a first open position to a second irreversibly closed position wherein flow through a tube associated with the clamp is irreversibly prevented and cannot be restored. Systems and methods using such clamps are also disclosed.