Abstract: A surgical instrument and related methods are disclosed. The instrument has a first jaw, a second jaw, and a first actuator. The first actuator has a cam mechanism to engage the first jaw to effectuate movement of the first jaw between an open position, a clamping position, and a closed position. Movement of the first jaw between the open position and the clamping position includes a rotational component. Movement of the first jaw between the clamping position and the closed position is translational.

Abstract: A vascular closure device seals a vascular access site upon completion of a procedure wherein a blood vessel has been punctured to accommodate a guidewire, an introducer sheath, and other intravascular devices. The device uses compression and thermal heating of an area around the puncture to obtain immediate hemostasis. Electrothermal bipolar vessel sealing is preferably employed, wherein a forceps grasps and compresses tissue from opposite sides of the puncture and then applies a high-frequency alternating electric current to cause the vessel wall between the forceps to denature and seal.

Abstract: A surgical rongeur includes a lower shaft that defines a floor including a trap door, the lower shaft terminates in a static footplate. An upper shaft is slidably coupled to a top surface of the lower shaft, the upper shaft terminates in a cutting blade. An elongated member is slidably coupled along the floor of the lower shaft and terminates in a sliding footplate. A primary trigger is coupled to the upper shaft, where actuation of the primary trigger is configured to alternately move the cutting blade between an open position and a closed position. A secondary trigger is coupled to the elongated member, where actuation of the secondary trigger, while the cutting blade is in the closed position, is configured to retract the sliding footplate from the static footplate into one of a plurality of positions.

Abstract: A biopsy device includes coaxially disposed inner and outer needles in which the outer needle tip is configured for obtaining a tissue sample. The inner surface of the outer needle includes a tissue retention feature which includes a countersink having a predetermined length from the distal cutting edge of the outer needle.

Abstract: An ophthalmic surgical cutting apparatus for cutting biological material including a handle, an outer tube attached to the handle and having a closed tip, a port formed in a side wall of the outer tube with a cusp formed by two or more intersecting surfaces, and an inner tube slidable within the outer tube and having a longitudinal axis and an open tip. The inner tube is in fluid communication with the handle, and the cusp of the port and the open tip interface during a cutting motion to fracture and cut biological materials and direct cut materials radially inward into the port.

Abstract: A method of treating a vessel in a subject comprises the steps of advancing a device distally across a treatment zone in a vessel, wherein the device comprises an elongated catheter having a lumen and a distal end, and a radially expansive treatment element disposed in the lumen and configured for axial movement relative to the catheter; deploying the radially expansive treatment element proud of the distal end of the catheter to radially expand and circumferentially impress against the vessel lumen at a distal end of the treatment zone; and withdrawing the deployed radially expansive treatment element proximally along the treatment zone with the treatment element circumferentially impressed against the vessel lumen to mechanically and circumferentially denude the treatment zone of the vessel. The radially expansive treatment element is then recaptured into the lumen of the catheter, before the device is withdrawn from the treated vessel.

Abstract: This invention relates to a high precision biopsy instrument which is self-cutting and self-retrieval in nature and includes a camera and a fiber-optic light configured for obtaining the biopsy tissue. The biopsy instrument with the incorporation of vertical and horizontal cutting blades is configured to obtain the biopsy tissue with minimum architectural tissue damage. The camera in the biopsy instrument is used to facilitate capturing photographs of the potentially malignant disorders and malignant neoplasms for the purpose of diagnosis as well as video graph the same for the purpose of determining the exact site of biopsy through tele-conferencing between surgeons and pathologists. The pictures obtained during the procedures can be used for documentation purpose. The present invention also includes a fiber optic light for illumination of the operating site as it creates less colour variation.

Abstract: The present invention relates to an endoscope including a connector configured to be coupled to an external device to receive power from the external device, wherein the connector comprises: a power receiving part comprising a slider configured to move by receiving power from the external device and a sliding rail on which the slider moves; a main frame supporting the power receiving part; power transmission cables disposed on one side of the main frame and configured to transmit power to a bendable section; a rotating structure rotatably coupled to the main frame and configured to receive rotational force in response to a movement of the slider; and a chain-slider assembly configured to work in concert with the rotating structure to transmit power to the power transmission cables.

Abstract: Occlusion crossing devices and systems. An inner shaft may be configured to rotate and extend within an outer shaft. The inner and outer shafts may include engagement regions to limit distal movement of the inner shaft within the outer shaft. The outer shaft may include a distal opening that is angled to form a tapered distal end. The inner shaft may include a distal end having a fluted tip with cutting edges that are configured to extend through the distal opening of the outer shaft. The inner shaft may include an imaging window. When the cutting edges are fully extended distally through the distal opening of the outer shaft, the tapered distal end of the outer shaft may be configured to occlude the imaging window at a defined rotational position as the inner shaft is rotated relative to the outer shaft to provide a registration mark for imaging.

Abstract: A steerable transseptal punch system and method of using the steerable transseptal punch system to access the left atrium.

Abstract: A surgical end effector includes a clevis and two jaws rotatably coupled to the clevis. A rocking pin in the form of a solid of revolution is pivotally supported by the clevis. The rocking pin may be pivotally supported by the clevis at the midpoint between the first and second ends. The opposite ends of the rocking pin engage the jaws to constrain the jaws to have opposite motions around the axes of rotation of the jaws. The clevis may be coupled to an elongate shaft to provide an endoscopic instrument. The first and second jaws may be electrically isolated from one another for electrocautery and the rocking pin may be formed from a non-conductive material or electrically isolated from the first and second jaws by electrically non-conductive liners. The jaws may be opened and closed by pushing and pulling on wires coupled to the jaws.

Abstract: Described here is an illumination assembly designed to be removably coupled with a variety of other medical instruments, particularly instruments having a tube, channel, or lumen through which a light wire optical fiber can pass through. The illumination assembly has a self-contained power source and is lightweight, allowing for use with a wide variety of instruments. In particular, the present illumination assembly is considered for use with medical device instruments routinely used for ear, nose, and throat (ENT) procedures by otolaryngologists, head and neck surgeons, and other ENT physicians.

Abstract: A surgical instrument comprising a jaw assembly is disclosed. The surgical instrument further comprises a motor-driven drive system configured to manipulate the jaw assembly. The surgical instrument also comprises a control system configured to control the drive system and, also, control a power supply system configured to supply electrical power to electrodes defined in the jaw assembly. In use, the surgical instrument can be used to apply mechanical energy and electrical energy to the tissue of a patient at the same time, or at different times. In certain embodiments, the user controls when the mechanical and electrical energies are applied. In some embodiments, the control system controls when the mechanical and electrical energies are applied.

Abstract: The present disclosure is directed to devices, kits, and methods for treating lumbar spinal stenosis by at least partially decompressing a compressed nerve root. The method can include identifying the compressed nerve root and percutaneously accessing a region of a lamina located adjacent to the compressed nerve root. The method can also include forming a channel through the region of the lamina, wherein the channel can be formed medial to a lateral border of the lamina. Further, the method can include expanding the channel in a lateral direction.

Abstract: Methods of performing an atherectomy using an atherectomy catheter. The atherectomy catheter may include a catheter body, a driveshaft, and a distal tip assembly. The driveshaft may include an annular cutting ring with a distal cutting edge. A long axis of the annular cutting ring can be configured to be parallel to a longitudinal axis of the distal tip assembly when the distal tip assembly is deflected with respect to the catheter body. The methods may include advancing the atherectomy catheter within a vessel lumen; axially moving the driveshaft relative to the catheter body to deflect the distal tip assembly with respect to the catheter body and radially extend the distal cutting edge of the annular cutting ring relative to the distal end of the catheter body; driving the distal cutting edge against a wall of the vessel lumen to remove tissue.

Abstract: Instruments and methods for harvesting a tissue structure such that a tendon graft are provided. In general, the surgical instrument includes an elongate shaft and an end effector pivotally coupled to a distal end thereof. The end effector defines a tissue seating passage configured to seat therethrough a portion of the tendon when the end effector is in use. The end effector is configured to be manipulated such that either its first or second end is positioned as a leading end. A method for using the end effector to harvest a tendon includes using the end effector to strip and cut the tendon at one end thereof when the first end of the end effector is a leading end, manipulating the end effector such that its second end becomes the leading end, and using the end effector to strip and cut the tendon at another, opposite end thereof.

Abstract: A medical device configured to enable concurrent collection of two tissue samples associated with an area of interest. The medical device can include a first needle hub having a fixed position and a second needle hub having an adjustable position. A position of the second needle hub can be adjusted using an adjustment mechanism of the medical device. The medical device can include an aspiration mechanism (e.g., a bulb) with tubing connecting the individual needles to create a suction mechanism to collect samples via aspiration.

Abstract: A biopsy forceps device includes a control member; a yoke coupled to the member; jaws coupled to the yoke; and a capsule. In an open configuration, the jaws are separated to receive target tissue. In a closed configuration, cutting edges of the jaws are moved toward one another to cut tissue. The capsule slidably receives the yoke and a portion of the jaws. The jaws are constrained to the closed configuration when withdrawn proximally to a first position within the capsule. When the jaws are moved to a second position, portions of the jaws are freed from the constraint capsule and spread apart. When the yoke and the jaws are moved distally and the jaws move to the open configuration, a tissue contacting structure of the yoke extends distally to engage tissue between the jaws to anchor the engaged tissue again lateral movement as the jaws contact the tissue.

Abstract: A biopsy site marker includes a carrier and a marker element. The marker element is disposed within the carrier. The carrier including a first marker material and a second marker material. The first marker material and the second marker material are each configured to expand in the presence of moisture. The first marker material is configured to expand at a rapid rate relative to the second marker material in the presence of moisture.

Abstract: The invention generally relates to systems and methods for therapeutically modulating nerves in or associated with a nasal region of a patient for the treatment of a rhinosinusitis condition.

Abstract: An end effector has three degrees of freedom in operation: (1) opening and closing of the jaws, (2) adjustable pivoting of the jaws relative to the longitudinal axis, and (3) rotation of the jaw assembly, regardless of its articulation, about the longitudinal axis. A split yoke assembly is coupled to rotatable jaw mounts, which in turn are coupled to the jaws. A pushrod is configured to open and close the jaws, and a translatable line, which may be implemented by a set of cables or by an additional pushrod, is configured to cause pivoting of the jaws.

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: Methods and systems for separating an object, such as a lead, from formed tissue are provided. Specifically, a tissue slitting apparatus is configured to engage formed tissue at a slitting engagement point. While the object is subjected to a first traction force, the tissue slitting apparatus is caused to move further into the engaged tissue and slit the tissue past the point of engagement. The slitting apparatus causes the tissue to separate along an axial direction of the length of the formed tissue and releases at least some of the force containing the object. The slitting apparatus is supported by a distal end support device configured to lock onto the lead. While supported, a slitting element of the apparatus places fibers of the formed tissue under tension and performs a lifting cut operation. The methods and systems are well suited for use in cardiac pacing or defibrillator lead explant procedures.

Abstract: A biopsy needle device is disclosed. The biopsy needle device may be configured to be advanced to a predetermined tissue sample, collect and sever the tissue sample utilizing an actuator comprising a linear displacement mechanism, and extract the tissue sample from a body tissue of a patient.

Abstract: A vitrectomy probe with a light emitting, visibly discrete traceable probe cap. The light emitting, visibly discrete character of the probe cap may aid a surgeon in tracing the end of a needle of the vitrectomy during a vitrectomy procedure. The probe cap may be of a biocompatible polymer accommodating phosphorescent pigment or of another suitable light source.

Abstract: A distraction system includes a first distraction device having a first adjustable portion and a first distraction rod configured to telescope within the first adjustable portion, the first adjustable portion having contained therein a first rotatable magnetic assembly mechanically coupled to a first screw configured to axially telescope the first distraction rod. A second distraction device is provided and includes a second adjustable portion and a second distraction rod configured to telescope within the second adjustable portion, the second adjustable portion having contained therein a second rotatable magnetic assembly mechanically coupled to a second screw configured to axially telescope the second distraction rod. An adjustable joint connects one end of the first adjustable portion to one end of the second adjustable portion.

Abstract: Apparatus and methods for tissue reduction are described where one embodiment of the tissue resection device may generally comprise an external clamping mechanism having at least two distally extending members shaped with an atraumatic distal end and defining a confined region between the distally extending members sized to receive a tissue region therebetween. Additionally, an elongate coring needle defining a lumen and having a proximal end attached to a handle and a distal end which defines a cutting mechanism may also be included, wherein the coring needle is translatable adjacent and/or relative to the external or internal clamping mechanism defined by the confined region.

Abstract: An electrically insulating insert for detachable connection to the distal end region of a resectoscope shaft, characterized in that the insulating insert has a hollow portion with an elongate cavity for the passage of pass-through instruments, and that the insulating insert has fastening means for detachable connection to the resectoscope shaft. An electrode instrument is connected to this insulating insert and to a resectoscope including the same.

Abstract: A biopsy needle device is disclosed. The biopsy needle device may be configured to be advanced to a predetermined tissue sample, sever the tissue sample, and extract the tissue sample from a body tissue of a patient. The biopsy needle device may be further configured to dislodge the tissue sample from the biopsy needle device utilizing a stylet.

Abstract: The recovery of an intact volume of tissue proceeds with a delivery cannula distal end positioned in confronting adjacency with the volume of tissue to be recovered. A tissue cutting and capture assembly formed of a plurality of metal leafs is deployed from the distal end of the delivery cannula. The tips of these leafs carry a pursing cable assembly, which is resistively heated by the passage of electrical current through the cable, attaining temperature level sufficient to thermally cut around and circumscribe the tissue volume. These pursing cables are tensioned to complete the envelopment of the tissue volumes by drawing the leaf tips together. An essential attribute of the disclosed apparatus is the confinement of the path of electrical conduction of constant current required to achieve tissue cutting to only those portions of the deploying and retracting resistively heated portion of the electrically conductive cutting and pursing cable that are in direct contact with tissue.

Abstract: A kyphoplasty system includes various instruments which can be selectively used in a surgical theater (e.g., during a surgical operation on a patient) or a surgical training environment. The kyphoplasty system can include one or more of a kyphoplasty apparatus, a prone table mat, a connector system, a bone introducer needle, and a biopsy device. The kyphoplasty system may also include a training system for use in the training environment.

Abstract: An apparatus, system and process for identifying one or more different tissue types are described. The method may include applying a configuration to one or more programmable light sources of an imaging system, where the configuration is obtained from a machine learning model trained to distinguish between the one or more different tissue types captured in image data. The method may also include illuminating a scene with the configured one or more programmable light sources, and capturing image data that includes one or more types of tissue depicted in the image data. Furthermore, the method may include analyzing color information in the captured image data with the machine learning model to identify at least one of the one or more different tissue types in the image data, and rendering a visualization of the scene from the captured image data that visually differentiates tissue types in the visualization.

Abstract: A biopsy gun having a cannula and a stylet guided in the cannula comprises the following a housing, a cannula carriage for moving the cannula, a stylet carriage for moving the stylet, a tensioning grip for tensioning the cannula carriage and the stylet carriage from an initial position into a tensioning position, and an engaging member that is provided on the tensioning grip and has recesses adapted to engage with corresponding projections of the cannula carriage and the stylet carriage. The engaging member is rotatably attached to the tensioning grip and is biased by a spring against a contact surface of the housing.

Abstract: A biopsy forceps device includes a tension member and an end effector including first and second jaws movable between an open configuration, in which the jaws are separated from one another to receive target tissue therebetween, and a closed configuration, in which cutting edges of the jaws are moved toward one another to cut a portion of the target tissue. The jaws define a tissue receiving space therebetween to house the cut tissue. The jaws are pivotable relative to one another, each of the jaws including a serrated cutting edge extending therealong, the end effector further including a tension member attachment including a proximal end coupled to the tension member. The attachment is movably coupled to the jaws so that distal movement of the attachment moves the jaws to the open configuration while proximal movement thereof moves the jaws to the closed configuration.

Abstract: An endoscopic forceps is provided and includes a housing having a shaft. An end effector assembly operatively connects to a distal end of the shaft and has a pair of first and second jaw members. One of the first and second jaw members is movable relative to the other jaw member from an open position, to a clamping position. One of the first and second jaw members includes one or more cam slots defined therein and configured to receive a cam member that upon movement thereof rotates the movable jaw member from the open position to the clamping position. A resilient member is operably coupled to the jaw member that includes the one or more cam slots. The resilient member is configured to provide a camming force to the cam slot and to bias the first and second jaw members in the clamping position.

Abstract: An articulating surgical implement (1) comprising: an elongate body (2) having a proximal end (4) and a distal end (5) and a longitudinal axis (6); a grip (7) on the proximal end for holding the surgical implement; a surgical implement head (8) formed on the distal end of the elongate body, and having surgical implement jaws (10, 11), the surgical implement head having a first joint (13) It that allows the surgical implement jaws to move relative to each other to open and close for gripping or cutting; a second joint (12) on the distal end of the elongate body for changing the angle of the surgical implement head relative to the longitudinal axis of the elongate body; a mechanism comprising a control lever (35), a control rod (39) and a linkage arm (40) for changing the angle of the surgical implement head relative to the longitudinal axis of the elongate body through an angular range of movement by pivoting about an axis of rotation of the second joint; and a mechanism comprising a pulley wheel (50) and a pu

Abstract: An endosurgical device is provided. The endosurgical device comprises a flexible tube having at least two lengthwise extending channels, an end effector comprising two opposite jaws having opposite cutting edges, an effector sleeve that surrounds the tube at least at the distal tube end, and means for reciprocating the end effector axially in relation to the effector sleeve to close the jaws when the effector sleeve is moved forward and backwards to close and open the jaws, respectively. The exterior face of the opposite jaws is electrically insulated, and an electrical cord for providing current to the end effector extends inside one of the lengthwise extending channels of the tube. The endosurgical device may allow the surgeon to take several tissue specimens from an organ and to perform several functionalities when the device is inside the organ.

Abstract: The present invention relates to methods and devices for skin tightening after incising or excising tissue portions from a subject. Exemplary methods and devices include tunable dressings having an adhesive layer and a regulatable layer or an un-stretched layer that responds to one or more external stimuli to contract or expand the dressing, where the contraction or expansion can be uniform or non-uniform.

Abstract: An introducer sheath assembly having a handle portion including a front end and a rear end, and a introducer sheath extending outwardly from the front end of the handle portion, the introducer sheath including a device lumen configured to slidably receive a corresponding device, a guidewire lumen configured to slidably receive a corresponding guidewire, a first steering cable lumen, a second steering cable lumen, a first steering cable disposed in the first steering cable lumen and a second steering cable disposed in the second steering cable lumen, wherein the first steering cable lumen, the second steering cable lumen and the guidewire lumen are disposed radially outwardly from the device lumen.

Abstract: A biopsy device includes an elongated handle body having a proximal end portion and a distal end portion, a needle disposed within the handle body, first and second transducers, and a display. The needle is configured to move between a retracted position and a deployed position. The first and second ultrasound transducers are disposed within the distal end portion of the handle body. The first and second ultrasound transducers are angled relative to one another and define a space therebetween configured for passage of the needle.

Abstract: Methods and apparatuses for detecting tension on a tendon and/or mechanical deformation (e.g., breakage) of one or more steering tendon of a steerable and flexible articulating device. Theses apparatuses may have one or more tendons that are each electrically conductive and configured to steer the apparatus when tension is applied to the proximal end of the tendon. Tension and/or breakage (or other deformation) of one or more of these tendons may be detected by monitoring the electrical resistance of the tendons.

Abstract: A steerable transseptal punch system and method of using the steerable transseptal punch system to access the left atrium.

Abstract: The present invention relates to an acetabular cup removing apparatus for an artificial hip joint. An acetabular cup removing apparatus for an artificial hip joint according to one embodiment of the present disclosure comprises: a main driving unit; a main shaft which is rotatable by a driving force of the main driving unit; a cutter unit which is disposed at a front end of the main shaft, tiltable along an acetabular portion into which an acetabular cup has been implanted, and cuts the acetabular portion while being rotated by the main shaft; and a stepless adjustment unit for steplessly adjusting a tilting angle of the cutter unit while continuously moving in a forward and backward direction relative to the main shaft.

Abstract: An infusion device includes a housing with an interior chamber sized and configured to hold at least a flange and plunger of a syringe, a trigger held by the housing, and a lever in communication with the trigger and including an upwardly extending cam with a cam path having an upper end. The cam is in communication with the flange of the syringe. In response to actuation of the trigger to dispense fluid from the syringe, the upper end of the cam travels upward above the syringe and longitudinally toward a dispensing end of the syringe to linearly translate the plunger of the syringe in a first direction to dispense fluid from the syringe. To refill fluid into the syringe, the upper end of the cam travels downward and longitudinally away from the dispensing end of the syringe to linearly translate the plunger in a second direction to intake fluid.

Abstract: Methods, devices, apparatuses and systems are disclosed for performing mammography, such as utilizing tomosynthesis in combination with breast biopsy.

Abstract: According to one aspect, a medical device including a shaft having a proximal and a distal end. The medical device may also include a handle coupled to the proximal end of the shaft. The medical device may further include a body at the distal end of the shaft. The body may have a wall defining a lumen within the body, and the lumen may have a longitudinal axis. The wall may include a protrusion at the distal end of the body, and the protrusion may be defined by a gap in the wall and may have a sharp portion configured to grasp tissue. The gap may extend proximally from the distal end of the body, and edges of the wall defining the gap may be transverse to the longitudinal axis.

Abstract: A surgical tool exchanger includes an elongated base having a first end and a second end. The surgical tool exchanger also includes an end effector configured to receive a replaceable surgical tool and an elbow configured to allow the end effector to pivot with respect to the elongated base. The surgical tool exchanger further includes an actuator connected to the second end of the elongated base. The actuator is operatively connected to the end effector and is configured to cause the end effector to retain the replaceable surgical tool in a first actuation state and release the replaceable surgical tool in a second actuation state.

Abstract: Examples of a module for housing unrelated electronic and electromechanical equipment for use during surgery. The module can include a lower section and a tower-like upper section. The lower section can house unrelated electronic and electromechanical equipment. The tower-like upper section can be located on top of the lower section. A water-resistant cowling can enclose at least a portion of the lower section and the tower-like upper section. A cartridge containing one or more ultraviolet-C producing lights can be protectively housed within the tower-like upper section. The cartridge containing one or more ultraviolet-C producing lights can be configured to emerge upward from a top of the tower-like upper section to substantially seat itself on the top of the tower-like upper section when activated allowing the ultraviolet-C light to disinfect the patient and staff-contacting upper surfaces of the equipment in the operating room.

Abstract: A tissue-removing catheter for removing tissue from a body lumen during a cutting operation includes an elongate catheter body configured for insertion into the body lumen and a tissue-removing element. A motor is operably connected to the tissue-removing element for rotating the tissue-removing element. A sensor is configured to detect a parameter of the catheter body during the cutting operation. A motor control circuit is in electrical communication with the sensor and the motor. During an operational control function, the motor control circuit is configured to receive a signal from the sensor based at least in part on the detected parameter, determine whether the received signal is indicative of inefficient movement of the tissue-removing element, and adjust a rotational speed of the tissue-removing element to increase efficiency of the tissue-removing element if the received signal is indicative of inefficient movement of the tissue-removing element.

Abstract: An apparatus includes a tubular structure having a proximal end, a distal end, and a body extending between the proximal and distal ends, wherein the body includes a lumen for housing at least a part of an imaging device, and a fluid delivery channel that is fixed in position relative to the body, and an opening that is in fluid communication with the fluid delivery channel, wherein the fluid delivery channel has a first portion, and a second portion that forms an angle with an axis of the first portion.