Abstract: A surgical instrument includes a housing, a shaft, an end effector, a lead wire, and a first replaceable seal plate. The shaft extends distally from the housing. The end effector is supported adjacent a distal end of the shaft and includes a first jaw member and a second jaw member. One or both of the first jaw member or the second jaw member is movable relative to the other between an open position and an approximated position. The lead wire extends at least partially through the shaft and is adapted to connect to a source of electrosurgical energy. The first replaceable seal plate is configured for selective engagement with the first jaw member and configured for selective engagement with the lead wire. The first replaceable seal plate includes an electrically conductive portion and is configured for contacting tissue when engaged with the first jaw member.

Abstract: Conventional varicose vein techniques suffer from a number of disadvantages and potential complications, including, for example, a risk for the development of hematomas, swelling, and blood clots, post-surgical pain and nerve injury, a potential for spontaneous regeneration and undesired resumption of varicosity, a need for a highly skilled surgical professional, as well as, in certain instances, a prolonged recovery period, accompanied by severe limitations on post-surgical activity. The present invention overcomes the disadvantages and deficiencies of the prior art by providing a method for percutaneously occluding and dividing a varicose vein or other problematic vessel, a rapid, reliable, less invasive therapy that may be readily, reliably, and successfully performed by minimally skilled personnel around the world in a variety of medical settings.

Abstract: A tip for a surgical instrument comprising a cradle that is moveably mounted to a distal end of an elongate shaft. The cradle is rotatable relative to the elongate shaft about a pitch axis. A member is pivotally coupled to the cradle to move with and relative to the cradle about a grip axis that is substantially orthogonal to the pitch axis. The member is movable relative to the cradle about a yaw axis. In some embodiments, there is a second member that is pivotally coupled to the cradle to move with and relative to the cradle about a second grip axis that is substantially orthogonal to the pitch axis. In some embodiments, the first member and second member are selectably movable relative to each other between a closed configuration in which the first member contacts the second member and an open configuration.

Abstract: A tissue manipulation device includes an end effector assembly disposed at a distal end of a shaft portion, the end effector assembly including a tissue engaging assembly having first and second tissue engaging arms that each include a first arm segment, a second arm segment, and a third arm segment that are coupled by living hinges. When an adjustment member coupled to the end effector assembly is displaced from a first position to a second position, the end effector assembly transition from a first undeployed position, in which the first and second tissue engaging arms are disposed a first configuration adapted for insertion into a patient, to a second deployed position, in which the first and second tissue engaging arms are disposed a second configuration adapted to manipulate a tissue of the patient.

Abstract: An ultrasonic instrument comprises an ultrasonic transducer, an acoustic waveguide, and an ultrasonic blade. The blade includes a pair of obliquely extending edges. The obliquely extending edges diverge away from the longitudinal axis of the waveguide and away from each other along respective paths extending distally in relation to the waveguide. A distal portion of the blade is wider than a proximal portion of the blade along a plane. The blade further includes a curved distal edge and several laterally presented surfaces. The laterally presented surfaces may provide combinations of concave and convex curvatures. The laterally presented surfaces may be angled and/or curved along one or more orthogonal planes associated with the longitudinal axis of the waveguide.

Abstract: Ultrasonic surgical instrument having a handle assembly, a waveguide extending distally from handle assembly, an end-effector at distal end of the waveguide, and a clamp assembly removably mounted to the handle assembly. The clamp assembly includes a pivotally mounted clamp arm for pivotal movement with respect to the end effector, and is removably mounted to the handle assembly by axially aligned first and second bayonet mounts. Each of the bayonet mounts includes a female bayonet coupling having at least one bayonet slot configured to matingly receive a bayonet mounting pin of a male bayonet coupling, wherein the bayonet slots extend circumferentially about the longitudinal axis of the waveguide. A method of removing the clamp assembly of the ultrasonic surgical instrument is also provided, as well as an ultrasonic surgical shears instrument and a clamp assembly.

Abstract: A thrombi removal catheter includes a sheath having a distal axial opening at a distal end in fluid communication with a lumen, and a lateral opening that extends through a side wall to the lumen. The lateral opening is proximally spaced from the distal end. An elongate member is disposed in the lumen of the sheath and is configured for longitudinal movement relative to the sheath. The elongate member has a proximal position and a distal position relative to the sheath. When the elongate member is in the proximal position, the distal axial opening of the sheath is closed by a distal blocker element of the elongate member and the lateral opening of the sheath is open, and when the elongate member is in the distal position, the lateral opening of the sheath is closed by the proximal blocker element and the distal axial opening of the sheath is open.

Abstract: This document describes rotational atherectomy devices and systems for removing or reducing stenotic lesions in blood vessels by rotating an abrasive element within the vessel to partially or completely remove the stenotic lesion material.

Abstract: The present invention relates to a needle support structure and a needle guide bracket, and belongs to the technical field of biopsy equipment. The needle support structure comprises a first needle inlet plate (31), a second needle inlet plate (41), and a locking device. The first plate surface of the first needle inlet plate (31) is a needle inlet wall (311). The first plate surface of the second needle inlet plate (41) is provided with a plurality of semi-open needle inlet channels (411), and the first plate surface of the second needle inlet plate (41) slots into the needle inlet wall (311) so as to form a closed needle inlet channel (411). The locking device comprises a first clamping part and a second clamping part. The first clamping part is rotatably connected to the first needle inlet plate (31), and the second clamping part is fixedly connected to the second needle inlet plate (41).

Abstract: A workspace device having a body which is collapsible to a collapsed state to fit through a laparoscopic passageway in a body cavity wall, and expandable to an expanded state within a body cavity into which the passageway extends, including: a workspace body having a workspace wall including a plurality of expandable segments defining an internal lumen, and a plurality of radial rigidizers positioned within the wall; wherein in the expanded state: the workspace device extends defining a workspace axis, and has an opening to the internal volume; and the plurality of expandable segments rigidize the workspace body to resist collapse by intra-abdominal forces, and the plurality of radially extending rigidizers positioned within the wall resist radial forces.

Abstract: In one embodiment, an expander set includes a first and second expander. The first expander includes an outer surface having a first engagement feature and a groove and the second expander includes an inside surface having a second engagement feature adapted to engage with the first engagement feature. The inside surface of the second expander is shaped to correspond to a portion of the outer surface of the first expander. Additionally, the groove on the outer surface of the first expander is sized and shaped to accommodate a rod of a retraction system such that when the first expander is advanced within the retraction system, the rod remains within the groove. When the first and second expanders are engaged with one another, they define an oblong cross-section.

Abstract: Embodiments of the invention are directed towards a medical device, method and system thereof for the placement or passage of patches, sutures, anchors, tags, tissue sensors and more particularly to a medical device for repairing female pelvic organ or tissue prolapsed region. The device may be used for the placement of stereotactic markers into tissue near joints or tumors for guidance during orthopedic or neurosurgical procedures.

Abstract: An intraosseous access device can include a device body, a trocar needle coupled to the device body, and an intraosseous catheter removably disposed on the trocar needle. The device body can be configured to enable manual insertion of a distal tip of the trocar needle through a skin surface of a patient to an external surface of a bone of the patient. The intraosseous catheter can include a catheter hub and a cannula slidable with respect to the catheter hub to enable adjustment of a longitudinal length of the intraosseous catheter. The intraosseous access device can further include an advancement mechanism configured to advance the trocar needle and the intraosseous catheter into an internal portion of the bone after the distal tip of the trocar needle and the intraosseous catheter have been inserted through the skin surface of the patient to the external surface of the bone of the patient.

Abstract: An improved method and device are provided for forming and/or maintaining a percutaneous access pathway. The device generally comprises an access pathway. The provided assembly substantially reduces the possibility of injury while accessing and/or re-accessing a body space.

Abstract: The puncturing device includes an inner portion, an outer peripheral portion, and a protruding portion. The inner portion has a puncturing needle lumen that extends from a distal end to a proximal end. The outer peripheral portion extends along a central axis of the inner portion and surrounds the inner portion. The protruding portion includes at least two protruding pieces arranged around the central axis. Each of the at least two protruding pieces is configured to be shiftable between a tapered state where a distal end of the protruding piece is closer to the central axis than a proximal end of the protruding piece, and a straight state where a distance from the distal end of the protruding piece to the central axis is equal to a distance from the proximal end of the protruding piece to the central axis.

Abstract: Disclosed herein are reference bodies for an external fixation frame and methods for using reference bodies for external fixation frame placement and arrangement. An external fixation frame according to the present disclosure may include first and second support rings, one or more wires coupled to any of the first and second support rings, one or more struts extending between the first and second support rings, and a reference body including a plurality of markers. The reference body may contact the one or more wires or the one or more struts. The plurality of markers may be arranged in a pattern to identify an orientation of the external fixation frame.

Abstract: The present disclosure relates to a constant distraction force driven self-actuating growing rod system (100) for implantation on a deformed bony anatomy. The system (100) comprises at least one static rod component (10); at least one intermediate rod component (20); at least one growth rod component (30); at least one compression spring component (40) adapted to apply an active distraction force onto the system (100) of the present disclosure; at least one magnetic field-based spring actuation mechanism (50) and at least one dynamic sealing plug (60). During the natural growth of the deformed bony anatomy, the growth rod component (10) telescopes out of the intermediate rod component (20), creating a distraction force deficit in the system (100); the distraction force deficit being corrected by causing the compression spring component (40) to get compressed by means of the magnetic field-based spring actuation mechanism (50); thereby maintaining an active distraction force onto the system (100).

Abstract: A system for spinal fixation with a non-rigid portion at least one of the caudal or cephalad terminus. Various devices and techniques are described for transition from a rigid fixation construct to a less rigid support structure applied to a “soft zone” that helps share the stress created on the spinal levels caused by the fixed levels below. In some embodiments, the soft zone is provided by terminating the construct with one of a flexible tether or a dampening rod.

Abstract: A spinal adjustment system including at least one thermally actuated pump element.

Abstract: In some embodiments, a connector can be configured to couple a first fixation element (e.g., a first rod) to a second fixation element (e.g., a second rod). One or both of the first and second fixation elements can be included with the connector, or one or both can be separately provided. In some instances, at least one of the fixation elements is previously implanted in a patient. The connector can provide one or more degrees of freedom between the first and second fixation elements. The connector can also include a locking element configured to (1) lock one or more of the fixation elements to the connector, and (2) lock one or more of the degrees of freedom between the fixation elements. The connector can be configured to snap onto or otherwise engage a fixation element in a manner that provides tactile and/or audible feedback to the surgeon.

Abstract: Various implementations include implants and related methods for moving bone. Certain implementations include an implant for moving bone in a patient's body, the implant including: an implantable biocompatible housing; a first adjustment rod at least partially overlapping the implantable biocompatible housing; a driver configured to drive the first adjustment rod to enable movement of the first adjustment rod relative to the housing; and a load sensor positioned within the housing and configured to indicate a load applied by the driver on the first adjustment rod.

Abstract: A bone plate apparatus comprises a first plate comprising one or more openings configured for use in securing the first plate to a portion of a bone, a second plate comprising one or more openings configured for use in securing the second plate to a portion of a bone, and a linking segment. The first plate is connected to the linking segment at a first articulating joint, and the second plate is connected to the linking segment at a second articulating joint.

Abstract: A bone distractor device and method of bone distraction in osteogenesis, the bone distractor having releasable bone plates, created using computer-aided design to conform to the surface of a bone, attached to a distraction mechanism, wherein the distractor device is affixed to the bone, the distraction mechanism is removed from the bone plates, the osteotomy is performed using a guide edge provided on at least one of the bone plates, and the distraction mechanism is re-attached to the bone plates such that distraction can be initiated.

Abstract: In one embodiment, the present disclosure relates to a system that includes a plate holder and an awl. The plate holder has a first end and a second end with an engagement feature at the second end that is engageable with a bone plate. The awl is releasably engaged to the plate holder and includes a locking mechanism adjustable from a first setting to a second setting and a tip. When the locking mechanism is in the first setting, the awl is fixed relative to the plate holder and the tip is disposed within the plate holder. When the locking mechanism is in the second setting, the awl is axially translatable relative to the plate holder such that the tip of the awl extends out of the second end of the plate holder.

Abstract: Implants, devices, systems, and methods for achieving ligament fixation are disclosed. An implant comprises a cap member comprising an internally threaded opening extending from a first end thereof, an anchor portion comprising a first end that defines a tip of the implant and external threads, and a coupling portion extending between the cap member and the anchor portion. The coupling portion of the implant includes an externally threaded portion threadably coupled within the internally threaded opening of the cap member. The cap member of the implant is longitudinally moveable along the coupling portion. Insertion instruments for inserting an implant for ligament fixation are also disclosed. Methods of using an implant for achieving ligament fixation are also disclosed.

Abstract: An expandable implant for bone restoration. The implant includes a first end element and a second end element. A plate is expandable in a first direction, and a blade expandable in a second direction. A first interconnecting element extends between the plate and at least one of the first and second end elements. A second interconnecting element extends between the blade and at least one of the first and second end elements. When the implant is in a collapsed position, a length of the blade is substantially parallel to the longitudinal axis, and when the blade is in an expanded position, the length of the blade is non-parallel to the longitudinal axis. The blade may include a length extending from a base to a tip, and the tip of the blade is further from the longitudinal axis than the plate when the implant is in the expanded position.

Abstract: The present invention discloses an alignment guide apparatus, system, and method. The alignment guide apparatus includes a body, a fixation insert, a guide pin, and a screw. The body may include an arm with a first end and a second end, an attachment portion at the first end, and an alignment portion at the second end. The fixation insert may be configured to pass through the attachment portion and the guide pin may be configured to pass through the alignment portion. The screw may be configured to engage the guide pin. The alignment system may include a bone plate, an alignment guide, a screw, at least one first fastener, and at least one second fastener. A method for moving a joint is also disclosed.

Abstract: A surgical guide is provided comprising a body defining a first cavity that is configured for disposal of a surgical instrument and an opening. A connector is disposable with the opening and is engageable with a surgical robot. At least one insert is disposable in the first cavity. The at least one insert defines a second cavity configured for disposal of an alternate surgical instrument. Systems, methods, spinal constructs, implants and surgical instruments are disclosed.

Abstract: A probe for performing a cryoablation treatment that includes a handle with a heater configured to heat a fluid and a needle connected to the handle and extending therefrom to a distal end. The needle includes a pathway configured to move the fluid from the handle toward the distal end to heat the needle.

Abstract: Methods and devices for treating nasal airways are provided. Such devices and methods may improve airflow through an internal and/or external nasal valve, and comprise the use of mechanical re-shaping, energy application and other treatments to modify the shape, structure, and/or air flow characteristics of an internal nasal valve, an external nasal valve or other nasal airways.

Abstract: Embodiments include a system comprising a non-thermal plasma (NTP) device and at least one container including supersaturated gas emulsion (SSGE). A method is described involving configuring a supersaturated gas emulsion (SSGE) for application to a treatment site and configuring a device to generate a non-thermal plasma (NTP) at the treatment site.

Abstract: A method and apparatus for ablating tissue are disclosed that comprise positioning two or more bi-directional ablation energy sources in spaced-apart relation in sufficient proximity to the tissue to be ablated so that, upon activation each energy source creates an energy field in the tissue to be ablated. The energy sources are spaced such that the energy fields created by at least one of the activated sources partially overlaps with the energy field created by one or more of the other energy sources. The energy sources are alternately activated and deactivated, so that a substantially constant energy field results where the energy fields created by at least two of the energy sources overlap. While the energy sources are preferably RF energy sources, other energy sources, such as microwave, may be used.

Abstract: A transoral ultrasound probe for imaging a temporomandibular joint and a method of imaging a temporomandibular joint using a transoral probe.

Abstract: A system and method for treating hemorrhoids includes an anoscope assembly and a treatment probe. The anoscope assembly includes an elongated anoscope body and a sliding element. The anoscope body is insertable into the rectum of a patient. A main portion of the anoscope body has a longitudinal slot that functions as a window opening to trap hemorrhoids. A proximal portion of the anoscope body has handles thereon manipulatable by a user to adjust the cross-sectional area of the proximal portion. The sliding element is configured to slide through the proximal portion and through the longitudinal slot when the cross-sectional area of the proximal portion is sufficiently increased by a user by manipulation of the handles. Access and secure placement of the sliding element within the longitudinal slot is provided. The treatment probe operably connected to the anoscope assembly is configured to provide energy to a hemorrhoid during treatment.

Abstract: Systems and methods for treating a patient's mucus hypersecretion condition are disclosed herein. Certain implementations may involve a method for reducing mucus secretion in an upper airway of a patient to treat at least one of post nasal drip or chronic cough. The method may include advancing a treatment delivery portion of an energy-based treatment device into a nostril of the patient. The treatment delivery portion may contact mucosal tissue of the upper airway without piercing the mucosal tissue. The treatment delivery portion may deliver treatment to at least one tissue selected from the group of the mucosal tissue and another tissue underlying the mucosal tissue to modify a property of the at least one tissue and thus treat at least one of post nasal drip or chronic cough in the patient.

Abstract: An electrosurgical device having a tubular outer shaft and an inner shaft is disclosed. The tubular outer shaft includes an axis and a distal end region. The distal end region includes a distal-most tip and a cutting edge defining a window in the outer shaft proximal along the axis to the distal-most tip. The inner shaft inner shaft coaxially maintained within the outer shaft such that the inner shaft is movable about the axis with respect to the outer shaft and wherein a portion of the inner shaft is exposed in the window of the outer shaft. A first electrode is disposed on the outer shaft in a region proximal along the axis to the window, and a second electrode is electrically isolated from the first electrode and disposed on the inner shaft. The second electrode is exposed in the window of the outer shaft.

Abstract: A pulsed field ablation catheter for use in atrial fibrillation treatment having a distal steerable variable loop with multiple electrodes coupled to the distal end of a multilumen shaft and a handle coupled to the proximal end of the multilumen shaft. A shape imparting mechanism coupled to the handle is configured to change the shape of steerable loop by manipulating a steering mechanism to steer the steerable loop to the treatment site and a rotational actuator to change the diameter of the variable loop to better interface with varying human anatomy.

Abstract: Ablation systems, components thereof, and related methods are disclosed. An example ablation system may include a first ablation component including a first ablation component end effector configured to be positioned on a first side of a target tissue and a second ablation component including a second ablation component end effector configured to be positioned on a second side of the target tissue. The first ablation component may include a first ablation component permanent magnet that is translationally repositionable between an engaged configuration and a disengaged configuration. The second ablation component may include a second ablation component permanent magnet that is freely rotatable and is configured to rotatably self-orient into a magnetically attractive orientation with the first ablation component permanent magnet.

Abstract: The related-art medical treatment instrument had one or more of various problems such as aging degradation of a microwave radiation switch and coagulation unevenness. It has been confirmed that the configuration of the medical treatment instrument according to the present invention solves the one or more of the problems described above, and the present invention has been completed.

Abstract: A hair removal device performs hair removal treatment with light emitted from a light source, and includes: a light source unit including the light source; an imaging unit capable of taking an image of a treatment target area of the skin; a pore specifying unit that specifies a pore present within the treatment target area on the basis of image data of the treatment target area whose image has been taken by the imaging unit; a shift amount detecting unit that detects a shift amount of a pore position associated with a position shift of the hair removal device from the pore position of the time the image of the treatment target area has been taken; and the irradiation position correcting unit that corrects an irradiation position of light with respect to the pore on the basis of the shift amount detected by the shift amount detecting unit.

Abstract: A medical system comprises a display system, an elongate device, an imaging probe configured to extend within the elongate device, and a control system communicatively coupled to the display system. The control system is configured to display a graphical user interface via the display system. The graphical user interface includes a virtual navigation view. The control system is further configured to receive imaging data from the imaging probe. The control system is further configured to determine a target location based on the imaging data. The control system is further configured to determine a position of a distal end of the elongate device. The control system is further configured to display a graphical marker in the virtual navigation view indicating a direction to steer the elongate device from the position of the distal end of the elongate device to the target location.

Abstract: A method for planning an arthroplasty procedure on a patient bone. The method may include accessing generic bone data stored in a memory of a computer, using the computer to generate modified bone data by modifying the generic bone data according to medical imaging data of the patient bone, using the computer to derive a location of non-bone tissue data relative to the modified bone data, and superimposing implant data and the modified bone data in defining a resection of an arthroplasty target region of the patient bone.

Abstract: A head-mounted device (HMD) for use with a navigation system. The navigation system includes a localizer and a bone tracker coupled to a physical bone. The localizer monitors the bone tracker to track a pose of the physical bone in a localizer coordinate system. Controller(s) obtain surgical plan data related to the physical bone. The surgical plan data includes a virtual model of the physical bone and cut volume data defining material to be removed from the physical bone in preparation for receiving an implant. The controller(s) register the HMD to the localizer coordinate system and provide, on the HMD display, computer-generated imagery representative of the surgical plan data, including the virtual model of the physical bone and the cut volume data. The controller(s) align and combine the computer-generated imagery with a real-world view of the physical bone.

Abstract: In certain aspects of the present disclosure, a computer-implemented method includes receiving a 3D imaging. The method includes generating 3D models based on the 3D imaging. The method includes generating, responsive to a pre-determined set of surgical steps, a finite number of 4D time deformation scenes for each pre-determined surgical step associated with the 3D models. The method includes displaying selectively interactive simulations based on the finite number of 4D time deformation scenes. Systems and machine-readable media are also provided.

Abstract: A surgical implant planning computer positions an implant device relative to a bone of a patient. An initial image of a bone is obtained. An initial location data structure is obtained that contains data defining mapping between locations on the implant device and corresponding locations relative to the bone in the initial image. A target image of the bone of the patient is obtained. A transformation matrix is generated that transforms a contour of a portion of the bone in the initial image to satisfy a defined rule for conforming to a contour of a corresponding portion of the bone in the target image. A transformed location data structure is generated based on applying the transformation matrix to the initial location data structure. A graphical representation of the implant device is displayed overlaid at locations on the target image of the bone determined based on the transformed location data structure.

Abstract: Embodiments include a system for providing blood flow information for a patient. The system may include at least one computer system including a touchscreen. The at least one computer system may be configured to display, on the touchscreen, a three-dimensional model representing at least a portion of an anatomical structure of the patient based on patient-specific data. The at least one computer system may also be configured to receive a first input relating to a first location on the touchscreen indicated by at least one pointing object controlled by a user, and the first location on the touchscreen may indicate a first location on the displayed three-dimensional model. The at least one computer system may be further configured to display first information on the touchscreen, and the first information may indicate a blood flow characteristic at the first location.

Abstract: Devices, systems, methods, and computer program products for performing medical procedures are disclosed herein. In some embodiments, a system for performing a medical procedure includes a medical instrument configured to be inserted within the anatomic region, the medical instrument including an image capture device. The system can be configured to obtain, from the image capture device, image data of an anatomic landmark within the anatomic region. The system can identify, based on the image data, an association between the anatomic landmark and a corresponding model landmark in a model of the anatomic region. The system can determine a localization state of the medical instrument based on the identified association, the localization state including an estimated location and an uncertainty parameter associated with the estimated location. The system can dynamically update the localization state as the medical instrument navigates within the anatomic region.

Abstract: An active navigation system of a surgery and a control method include: Step 1, measurement viewing angle multi-objective optimization: inputting position parameters of the positioning tools and setting other related parameters, and solving a set of optimal measurement viewing angles through multi-objective optimization; Step 2, a multi-objective decision of a pose of the robot: according to the set of optimal measurement viewing angles, recommending, to a user, an optimal pose scheme of the robot in each link of the surgery by using a multi-objective decision algorithm; or selecting the optimal pose scheme of the robot in each link of the surgery; and Step 3, planning and execution of a path of the robot: according to the selected optimal pose scheme of the robot in each link of the surgery, planning the path of the robot from the current pose to the optimal pose scheme.

Abstract: A mechanism for determining a shape of an interventional device. A mapping function is used to predict the position of an electrode, mounted on the interventional device, as the interventional device is moved within an anatomical cavity—to thereby form a sequence of predicted positions. The sequence of predicted positions is then processed to predict a shape of the interventional device.

Abstract: A mechanism for adjusting the direction of one or more crossing electric fields that have been induced by a set of electrodes positioned on a patient, without necessitating movement of any of the electrodes. This is achieved through the use of one or more electrode patches, which effectively allow an electric field generator to control a position of a source/sink of an electric field, to thereby control a direction of the electric field.