Abstract: Systems and methods for assembling a plurality of tissue grafts are provided. A system includes a pick and place unit, a transfer tool, and a control unit. The pick and place unit includes a moveable arm and the transfer tool is coupled to a distal end of the arm. The control unit is configured to control the moveable arm to move the transfer tool to a donor site and a graft construction site. The control unit is further configured to control the transfer tool to harvest the micro tissue grafts from the donor site and arrange the micro tissue grafts into a supportive matrix to form a custom graft.

Abstract: A surgical device, such as a debrider, can include an elongated inner shaft that is movable within an elongated, hollow outer shaft. An actuator can controllably impart movement to a proximal portion of the inner shaft. A cutting element, located at a distal portion of the inner shaft, can move with the inner shaft. The outer shaft can expose the cutting element as the inner shaft moves. The inner shaft can include a flexible inner shaft portion. A plurality of bearings, located between the inner shaft and the outer shaft along the flexible inner shaft portion, can space the flexible inner shaft portion with respect to the outer shaft as the inner shaft moves. The plurality of bearings can help reduce friction between the inner shaft and the outer shaft and help maintain concentricity of the inner shaft and the outer shaft.

Abstract: Aspects of the present invention relate to an apparatus for determining alignment between a source device and a target device. The apparatus comprises the source device, the target device, and a processing system. The source device comprises a first spatially variant field generator for generating a first spatially variant electric field, and a second spatially variant field generator for generating a second spatially variant electric field, wherein the second spatially variant electric field is angularly offset with respect to the first spatially variant electric field. The target device comprises at least one sensor configured to detect a first signal from the first spatially variant electric field and a second signal from the second spatially variant electric field. The processing system is configured to determine alignment between the first source device and the target device based on the first and second signals from the first and second spatially variant electric fields by the target device.

Abstract: An endoscope including a working channel and an accessory endoscope. The working channel includes a main channel, an accessory channel, and a handle. The main channel and the accessory channel are rigidly connected to the handle. The main channel and the accessory channel each include an inlet disposed on the handle. The accessory endoscope is disposed in the accessory channel. The accessory endoscope comprises an accessory cleaning channel and an accessory optical channel; and no instrument channel is disposed in the accessory endoscope.

Abstract: A surgical access device includes a cannula body and an anchor. The cannula body includes a housing, and an elongated portion extending distally from the housing. The elongated portion defines a longitudinal axis and defines a channel extending therethrough. The anchor is disposed in mechanical cooperation with the elongated portion of the cannula body and is longitudinally translatable relative to the elongated portion. The anchor defines an aperture and includes a ratchet mechanism configured to selectively lock a size of the aperture.

Abstract: A surgical access device includes a cannula body and a fixation mechanism. The cannula body includes a housing, and an elongated portion extending distally from the housing and defining a longitudinal axis. The fixation mechanism includes a flange, a fixation sleeve, and a proximal sleeve. The flange is rotatable about the longitudinal axis. The fixation sleeve extends distally from the flange and radially surrounds a portion of the elongated portion of the cannula body. The proximal sleeve extends distally from the flange and radially surrounds a proximal portion of the fixation sleeve. Rotation of the flange causes a radially-expandable portion of the fixation sleeve to move between a first position defining a first gap between the radially-expandable portion and the elongated portion, and a second position defining a second, greater, gap between the radially-expandable portion and the elongated portion.

Abstract: A surgical access system includes a clip, a cannula, and an obturator. The clip includes a first housing half and a second housing half. The first and second housing halves have first end portions pivotably coupled together and second end portions having respective first and second fastener portions. The clip is movable between an open position in which the second end portions are spaced apart from each other and a closed position in which the first and second fastener portions of the second end portions are engaged with each other. The cannula and the obturator are retained between the first and second housing halves when the clip is in the closed position.

Abstract: The various embodiments herein relate to systems, devices, and/or methods relating to surgical procedures, and more specifically for accessing an insufflated cavity of a patient and/or positioning surgical systems or devices into the cavity.

Abstract: There is provided a medical needle with a protector that allows separately molded hub and protector to be easily assembled together. A medical needle with a protector (1) includes: a hub (3) that supports a needle tube (2); a protector (4) capable of storing the needle tube (2); a first lock unit (42a, 42b, 73) that locks the hub (3) to the protector (4) capable of unlocking in a first state; and a second lock unit (43, 75) that locks the hub (3) to the protector (4) incapable of a transition to the first state in a second state. The protector includes a large cylindrical portion (41), a protrusion piece (43), and a width-increased portion (42). The width-increased portion (42) is provided on the outer peripheral side of the protrusion piece (43) and has a minor axis and a major axis. The protrusion piece (43) is formed integrally with the large cylindrical portion (41) on the major axis side of the width-increased portion (42).

Abstract: A trocar assembly that includes a trocar and a seal cartridge configured to be releasably coupled to the trocar. The seal cartridge includes a top cap that includes a main body and a latch ring. The latch ring is grounded to the main body at a first angular position and has a latch located at a second angular position angularly offset from the first angular position. Applying a radial load on the latch causes the latch ring to flex in torsion at an intermediate portion that angularly interposes the first and second angular positions.

Abstract: Length-adjustable strut assemblies for external fixation systems, and corresponding external fixation systems, are disclosed. The strut assemblies include an elongate first and second end members, an elongate intermediate member, and first and second adjustment mechanisms. The intermediate member comprises a threaded rod fixedly coupled within an axial cavity thereof, and is rotatably fixed and axially translatably within an axial cavity of the first end member. An end portion of the second end member is received within the axial cavity of the intermediate member, and the second end member comprises an axial cavity threadably coupled with the threaded rod. The first adjustment mechanism is configured to selectively axially fix the intermediate member relative to the first end member. The second adjustment mechanism is configured to selectively rotate the second end member with respect to the threaded rod to axially translate the second end member relative to the intermediate member.

Abstract: A bone displacement system includes a body having a first arm and a second arm. The first arm is coupled to a first bone contacting leg configured to be connected to a first bone portion. The second arm is coupled to a second bone contacting leg configured to be connected to a second bone portion. A force application fixture is coupled to the first arm and the first bone contacting leg and configured to apply a force between the first arm and the first bone contacting leg.

Abstract: The present invention relates to the field of devices and methods for distraction osteogenesis, and, more particularly, to distraction devices and distraction systems used in the treatment of mandibular or maxillary alveolar ridge atrophy, and to methods for utilizing a distraction device or a distraction system for bone tensioning.

Abstract: An osteosynthesis assembly kit includes a bone implant, in particular an artificial bone implant, and at least two two-part eccentric connectors.

Abstract: A dynamic fixation medical implant having at least two bone anchors includes a longitudinal connecting member assembly having rigid sleeves for attachment to the bone anchors, at least one spacer engaging the bone anchors and the sleeves, and in some embodiments, an end elastic bumper. A flexible cord is initially slidingly received within the rigid sleeves, the spacer and the bumper. The spacer may include an optional inelastic inner liner, with at least one of the sleeves having an extension slidingly receivable within the liner. Some sleeves include apertures for receiving a closure top portion for locking the cord against the sleeve, or alternatively receiving a closure top that does not extend into the aperture, the slip or grip option provided by the aperture in each sleeve resulting in an overall connector with variable segmental stiffness.

Abstract: In one embodiment, a method using a computer system determines a length of a rod for use in spine correction surgery. With images of a patient, a segment of the spine requiring correction is identified along with first and second points at the ends of the segment. Then, a first size and a first position of a first circle are determined based on the image such that a portion of the first circle is generally aligned with a curve of the segment. A second circle with a different size and position is similarly determined based on the image. Both the first and second circles pass adjacent to or through the first point and the second point. A length of a portion of the second circle measured between the first and second points is then used to determine a rod length for a post-surgical spinal alignment.

Abstract: An extender system is configured to couple a vertebral bone anchor that has been previously implanted in a vertebra, or is newly implantable in a vertebra, to an adjacent bone, which can be an additional spinal level or an occiput, for example. The extender system includes an extension member having a body and an engagement member coupled to the body. The extension member defines an aperture extending through the engagement member. A screw is configured to attach the extension member to the vertebral bone anchor. The extension member can be fastened to the adjacent bone.

Abstract: A surgical fastener for use in posterior surgeries that require fusion between the occiput and pelvis. Among other things, the surgical fastener includes a cutter for cutting bone or other tissue.

Abstract: The application provides a unilateral nail holder, including: a holding rod having a lower end provided with a clamping groove for receiving a single side plate of a pedicle screw; a fixing hook connected to the holding rod, where the fixing hook is located at an inner rear side of the clamping groove, a rear side of the single side plate is provided with a fixing hole, and the fixing hook hookable with the fixing hole; and a separating mechanism provided between the holding rod and the fixing hook for pushing the fixing hook to withdraw from the fixing hole. The fixing hook is hooked with the fixing hole on the rear side of the single side plate, the single side plate is limited in the clamping groove, and the clamping of the pedicle screw is realized.

Abstract: A modular crimpable bone plate system, including: a first rod and a second rod; and a plurality of rod connectors, wherein the rod connectors further include: a first tube and a second tube configured to slide over the first and second rods; a first leg and a second leg each connected between the first and second tubes; and an opening between the first and second legs and between the first and second tubes, where in the opening is configured to accept a screw head of a screw; wherein the first and second tubes are configured to be crimped onto the first and second rods, and wherein the first leg and second leg are configured to be crimped onto the screw.

Abstract: A surgical fastener for use in posterior surgeries that require fusion between the occiput and pelvis. Among other things, the surgical fastener includes a cutter for cutting bone or other tissue.

Abstract: A method and system for promoting the union of a bone fracture and/or fusion of bones across a joint space at a target region of a subject which may be accomplished by: inserting a surgical implant device at the target region; providing a guide member in the surgical implant device bore; sealing the surgical implant device bore distal opening and/or the surgical implant device bore proximal opening with the guide member; and positioning the guide member relative to the surgical implant device to provide for the guide member to be partially absent from the surgical implant device bore to allow the biomaterial and/or biologically active agents to extrude or diffuse from the activated apertures to the target region of the subject.

Abstract: An implant system includes an acetabular implant and a bone screw having an articulated screw head which allows an unchanged contact position of the screw head on the acetabular implant when the bone screw is aligned relative to the acetabular implant. For this purpose, a slotted hole is made in the acetabular implant in which slotted hole the bone screw can be pivoted in longitudinal direction of the slotted hole.

Abstract: A surgical fastener provided with a curved cutter, an anterior wedge-like tip and a surgeon facing end. Among other things, the surgical fastener's cutter can cut bone or other tissue.

Abstract: A bone anchoring element comprising a shaft (2) for anchoring in a bone, with a plurality of barb elements (7) arranged in at least one helical line around the shaft axis (M) is described, wherein said barb elements are elastically movable relative to the shaft. The bone anchoring element (1) is easy to press into a core hole bore in a bone. The barb elements (7) act in a similar manner as do the threads on a conventional bone screw and thus provide for depth positioning. Moreover, the barb elements at the same time secure the bone anchoring element and prevent it from sliding-out.

Abstract: Apparatus, consisting of a probe, containing a lumen and having a distal end configured to contact tissue of a living subject. A temperature sensor is located at the distal end, and a pump, having a pump motor, is coupled to deliver a cryogenic fluid through the lumen to the distal end of the probe and to receive the cryogenic fluid returning from the probe. There is a separator, coupled to separate the returning cryogenic fluid into a returning cryogenic liquid and a returning cryogenic gas, and a flow meter, coupled to measure a rate of flow of the returning cryogenic gas. A processor is configured to control a rate of pumping of the pump motor in response to a temperature measured by the temperature sensor and the rate of flow of the returning cryogenic gas.

Abstract: The invention disclosed here generally relates to devices that can modify a property of a nerve. Specifically, the subject invention is contemplated to modify the posterior nasal nerve signal conduction in such a way so as to reduce the signals transmitted to the nasal cavity. Reduction or interruption of the nerve signals results in the reduction of the distal organ activity. In particular, embodiments of the present invention allow for increased lateral contact or apposition of the target tissue region having at least one posterior nasal nerve with the end effector surface by lateral and/or longitudinal translation of the end effector relative to the surgical probe shaft. This improved lateral surface contact has several benefits, including improved patient outcomes and patient safety as the end effector is adequately in contact with target tissue for subsequent ablation therapy.

Abstract: The present invention is directed to improved systems, devices, and methods for delivery of a cryogen to the skin of a patient for skin treatment. A cryospray device configured to deliver a cryogen to a patient's skin can include an applicator, a supply channel, and a nozzle assembly. The applicator can include a head portion, and the supply channel can extend through at least a portion of the head portion. The nozzle assembly can be coupled to the head portion and can be fluidly coupled to the supply channel. The nozzle assembly can include a linear array of orifices that are configured to direct a planar spray of the cryogen to cool an area of a skin tissue of the patient in a linear cooling treatment.

Abstract: A tool assembly for use with an electrosurgical device for cutting tissue includes a base portion, a return lead, an electrical insulator, a center pin, and an active lead. The center pin extends from the base portion and through a lumen of the electrical insulator. The active lead is securely fixed to the base portion and extends between the base portion and a distal portion of the center pin such that a portion of the active lead extends around the distal portion of the center pin and first and second segments of the active lead are spaced apart from the return lead. Upon activation, electrosurgical energy is transmitted from the active lead through tissue to the return lead to cut tissue in contact with the active lead.

Abstract: An electrosurgical device for cutting tissue includes a body portion and a tool portion extending distally from the body portion. The tool portion defines a longitudinal axis. The tool portion includes a return lead adapted to be electrically coupled to a return terminal of an electrosurgical energy source, first and second electrical insulators disposed on a first surface of the return lead, and an active lead adapted to be electrically coupled to an active terminal of the electrosurgical energy source. The first electrical insulator is disposed distal of the second electrical insulator. The active lead extends through the first and second electrical insulators such that the active lead and the first surface of the return lead define a gap therebetween. Upon activation of the electrosurgical energy source, electrosurgical energy is transmitted from the active lead through tissue to the return lead to cut the tissue.

Abstract: An electrosurgical system includes: an electrosurgical supply device, and an electrosurgical instrument, wherein the electrosurgical instrument includes a memory element that can be read out and written to by the electrosurgical supply device when the electrosurgical instrument is connected to the electrosurgical supply device, and the electrosurgical supply device is configured to write operational data to the memory element. The electrosurgical system is characterized in that the operational data is or can be stored on the memory element in a data structure which includes a first operational data element and a second operational data element, and in that the electrosurgical supply device is configured to write operational data alternately to the first operational data element or the second operational data element.

Abstract: An assembly aid tool for positioning a work instrument in a resectoscope for endoscopic surgery, wherein the assembly aid tool has a grip part in its distal end region, one or more holding elements for retention of a work instrument, and/or bearing faces, in its proximal end region, for supporting a work instrument. In addition, assembly aid systems and resectoscopes include such an assembly aid tool.

Abstract: An electrosurgical instrument includes an end effector assembly including first and second jaw members. At least one of the first or second jaw members is movable relative to the other from a spaced-apart position to an approximated position to grasp tissue therebetween. A thermal cutting wire is disposed on at least a portion of at least one of the first or second jaw members. The thermal cutting wire is configured for ferromagnetic heating to provide automatic Curie temperature control upon supply of an AC signal thereto. The thermal cutting wire may include a conductive core, an inner ferromagnetic coating disposed about the conductive core, and an outer ferromagnetic coating disposed about the inner ferromagnetic coating. The thermal cutting wire may alternatively or additionally include an exposed outer surface defining a roughness configured to facilitate attenuation during ferromagnetic heating.

Abstract: An electrosurgical instrument includes an end effector assembly including first and second jaw members at least one of which is movable relative to the other from a spaced-apart position to an approximated position to grasp tissue between first and second opposed surfaces of the first and second jaw members, respectively. The first jaw member includes a thermal cutting wire including a first portion extending distally along at least a portion of a length of the first opposed surface and a second portion extending about a distal tip of the first jaw member. The first and second portions of the thermal cutting wire each include a ferromagnetic coating such that the first and second portions are ferromagnetically heated and provide automatic Curie temperature control upon supply of an AC signal thereto.

Abstract: An electrosurgical device for cutting tissue includes a body portion and a tool portion extending distally from the body portion. The tool portion includes a return lead, first and second electrical insulators, and an active lead. The return lead is adapted to be electrically coupled to a return terminal of an electrosurgical energy source. The return lead defines a recess between proximal and distal portions of the return lead. The first and second electrical insulators are disposed on the respective proximal and distal portions of the return lead. The active lead extends through the first and second electrical insulators and across the recess of the return lead. Upon activation of the electrosurgical energy source, electrosurgical energy is transmitted from the active lead through tissue in contact with the active lead to the return lead to cut tissue in contact with the active lead.

Abstract: Aspects of the instant disclosure relate to an electrophysiological catheter system for performing diagnostics and therapies within a cardiac muscle; more specifically, to a deformable body, at a distal end of a catheter, that deforms in response to a force being exerted upon a tip of the catheter. The deformation of the deformable body being measured by a measurement device, and the deformation associated with both a magnitude and vector of the force exerted upon the catheter tip.

Abstract: Apparatus, consisting of a probe configured to be inserted into contact with a myocardium, and an electrode attached to the probe. A temperature sensor, incorporated in the probe, is configured to output a temperature signal. A pump irrigates the myocardium, via the probe, with an irrigation fluid at a controllable rate, and a radiofrequency (RF) signal generator applies RF power via the electrode to the myocardium, so as to ablate the myocardium. The apparatus also has processing circuitry that measures a temperature of the probe, based on the temperature signal, while the RF power is applied and, when the measured temperature exceeds a preset target temperature, iteratively reduces the RF power applied by the signal generator and concurrently iteratively varies a rate of irrigation of the irrigation fluid provided by the pump, until the measured temperature is reduced to the preset target temperature.

Abstract: A microwave system comprises: a microwave generator; and a microwave cable apparatus comprising a coaxial cable, wherein an exposed distal portion of an inner conductor of the coaxial cable is longer than an outer conductor of the coaxial cable, and wherein at least part of the exposed distal portion of the inner conductor is bent with respect to a longitudinal axis of the coaxial cable, thereby to provide a directional radiating element; wherein the microwave generator is configured to provide microwave energy to the cable apparatus at a frequency that provides directional radiation of microwave energy having a desired directionality from the radiating element.

Abstract: Apparatuses and methods are disclosed for applying laser energy having desired pulse characteristics, including a sufficiently short duration and/or a sufficiently high energy for the photomechanical treatment of skin pigmentations and pigmented lesions, both naturally-occurring (e.g., birthmarks), as well as artificial (e.g., tattoos). The laser energy may be generated with an apparatus having a resonator with the capability of switching between a modelocked pulse operating mode and an amplification operating mode. The operating modes are carried out through the application of a time-dependent bias voltage, having waveforms as described herein, to an electro-optical device (e.g., a Pockels cell) positioned along the optical axis of the resonator.

Abstract: One described aspect is an optical fiber comprising: a fiber core that extends along a fiber axis, is configured to transmit a laser energy along the fiber axis, and terminates at a distal end; a first cladding that extends along the fiber axis, is adjacent to the fiber core, and terminates at a distal end; a coating that extends along the fiber axis and terminates at a distal end, wherein the coating is a gold coating; a second cladding that surrounds a portion of the gold coating along the fiber axis, and terminates at a distal end; an outer jacket that extends along the fiber axis and terminates at a distal end; and a fiber tip. Associated laser systems are also disclosed.

Abstract: A side-firing laser system with a standoff catheter includes an optical fiber configured to emit therapeutic laser radiation in a direction generally transverse to an axis of the fiber; and a catheter through which the optical fiber is inserted during a surgical procedure. The catheter includes a transparent end section through which the therapeutic laser radiation passes to vaporize tissue outside the catheter, an open distal end to permit exit of irrigation fluid from the catheter, and an opening in a side of the end section, the opening having dimensions that are approximately equal to or less than cross-sectional dimensions of the therapeutic laser radiation. When the fiber is moved to a position at which the therapeutic laser radiation passes through the opening, the laser radiation causes coagulation or vaporization of tissues.

Abstract: A catheter system for treating a treatment site includes an energy source, a balloon, an energy guide, and a pressure sensor. The balloon is positionable substantially adjacent to the treatment site. The balloon has a balloon wall that defines a balloon interior that receives a balloon fluid. The energy source generates energy that is received by the energy guide so that the energy guide can guide the light energy into the balloon interior. The pressure sensor senses a balloon pressure of the balloon fluid.

Abstract: An apparatus has a device representing an endoscope, the device being either an endoscope or a dummy endoscope having shape and feel resembling an endoscope, and includes a tracker adapted to operate with a three-dimensional tracking system to track location and orientation of the device in three dimensions in a simulated operating-room environment. The apparatus also has a physical head model comprising hard and soft components, the device representing an endoscope configured to be inserted into the physical head model to provide a haptic feedback of endoscopic surgery.

Abstract: Embodiments include a system for determining cardiovascular information for a patient. The system may include at least one computer system configured to receive patient-specific data regarding a geometry of the patient's heart, and create a three-dimensional model representing at least a portion of the patient's heart based on the patient-specific data. The at least one computer system may be further configured to create a physics-based model relating to a blood flow characteristic of the patient's heart and determine a fractional flow reserve within the patient's heart based on the three-dimensional model and the physics-based model.

Abstract: A method of generating a correction plan for correcting a deformed bone includes inputting to a computer system a first image of the deformed bone in a first plane and inputting to the computer system a second image of the deformed bone in a second plane. Image processing techniques are employed to identify a plurality of anatomical landmarks of the deformed bone in the first image. The first image of the deformed bone is displayed on a display device. A graphical of the deformed bone is autonomously generated and graphically overlaid on the first image of the deformed bone on the display device, the graphical template including a plurality of lines, each line connected at each end to a landmark point corresponding to one of the anatomical landmarks. A model of the deformed bone may be autonomously generated based on the graphical template.

Abstract: Described herein are systems and methods in which a surgeon can use computer-implemented deformity assessment and correction tools to create 3D models of a bone. To ensure adequate healing, a surgeon may choose to use a prefabricated bone plate, a semi-customized bone plate, or a fully-customized bone plate to hold first and second bone portions in a corrected position. To select the appropriate prefabricated bone plate, the surgeon may identify three landmark locations on the first and second bone portions corresponding to desired fixation hole locations on the bone plate. The surgeon can then use a software application to evaluate multiple bone plate designs in a library and compare the average proximity of the landmark locations to fixation hole locations on each of the bone plate designs. Then, the surgeon can determine which bone plate design best fits the patient anatomy based on his comparison.

Abstract: Navigated instrument guide systems and related methods can identify an absolute position of an instrument received within an instrument mount of a robotic arm. A navigation array unit of the guide system can include a main array and a mounted array. The main array can identify a position of the robotic arm and the instrument mount, while the mounted array can identify a depth position of a distal end of an instrument received within the instrument mount. The instrument can be passed through a lumen of the mounted array as the instrument is inserted into the instrument mount. The mounted array can be configured to translate relative to the instrument mount and the main array with distal translation of the instrument. In this manner, a position of the mounted array can identify a depth position of the instrument without a mechanical connection between the mounted array and the instrument.

Abstract: A camera tracking system is disclosed that is configured to obtain a model defining a tracking volume of a set of tracking cameras relative to pose of the set of tracking cameras, and receive tracking information from the set of tracking cameras indicating pose of an extended reality (XR) headset relative to the set of tracking cameras. The camera tracking system is further configured to generate a graphical representation of the tracking volume from a perspective of the XR headset based on the pose of the XR headset indicated by the tracking information and based the model defining the tracking volume of the set of tracking cameras, and provide the graphical representation of the tracking volume to the XR headset for display to the user.

Abstract: The present invention relates to equipment for navigation reference in assisted robotic surgery by means of stereotactic navigation of the organs and soft portions of the pelvic area of a patient, which enables coordinates fixed with respect to a reference frame to be associated to any point of the patient's anatomy in the pelvic area. The equipment comprises a fastening arc (1) with an upper bar (6), two lateral bars (7), joined to the upper bar (6) forming an arc by means of first joining means (8) and second joining means (9) configured to join the lateral bars (7) to a surgical table, two arms (2) joined to the lateral bars (7) by means of third fastening means (10), a first reference device (3) and a second reference device (15) configured to be placed in the surgical instrumentation of the robot.

Abstract: Disclosed herein are various systems and methods for an improved minimally invasive surgical tracking system. As disclosed herein, a computer assisted surgical system (CASS) may include an internal tracking device that obtains relative locational data of one or more surgical tools not trackable via a global tracking system. The internal tracking device having an external portion that is trackable global tracking system. Based on the known characteristics and location of the internal tracking device the CASS determines the location of the one or more surgical tools relative to the patient and other objects in the operating room.