Abstract: Devices, instruments, assemblies, and systems for holding and inserting staples and staples for compressing bones or bone fragments. The staple insertion assembly including a staple holder and a staple. The staple holder including a first and second end with a gripping portion at the first end, at least one slot extending from second end toward first end, and a receiving portion at the second end. The receiving portion with at least one staple contact portion, a first recessed region positioned adjacent to the at least one staple contact portion on a first side and a second recessed region positioned adjacent to the at least one staple contact portion on a second side, and a first engagement member positioned adjacent to the first recessed region and a second engagement member positioned adjacent to the second recessed region. Methods for using the assemblies to compress bones or bone fragments are also disclosed.

Abstract: A method for deforming a staple comprising a base, a first staple leg, and a second staple leg, wherein the base, the first staple leg, and the second staple leg are positioned within a common plane prior to being deformed, the method comprising positioning the first staple leg within a first cup of a staple pocket, the first cup comprising a first inner surface, applying a first compressive force to the first staple leg to bend the first staple leg toward the base and the second staple leg, contacting the first inner surface with the end of the first staple leg to bend the end of the first staple leg toward a first side of the base, and deforming the first staple leg such that the end of the first staple leg crosses a mid-line of the staple defined between the first staple leg and the second staple leg.

Abstract: Systems, devices and methods to improve safety and efficiency in an operating room comprise providing a suture package that holds new suture needles and needle receptacles for storing used needles. The devices can be safely worn for the surgeon to self-dispense new suture needles in the near surgical field and to secure the used needles into a needle trap or a needle retainer located on his extremity, on his operative instruments or on the surgical drapes. The device may provide automated and/or simplified needle counting both during use and after removal from the surgical field. The device may be configured for ergonomic and efficient use so as to minimize the actions and motions of the surgeon to dispense and secure the needle.

Abstract: A surgical stapling device that comprises an end effector. According to various embodiments, the end effector comprises a circular anvil having a staple forming surface and a plurality of staples facing the staple forming surface of the anvil. The end effector also comprises a staple driver assembly comprising a plurality of staple drivers. Each staple driver supports one of the plurality of staples and is configured such that, when the staple driver assembly is actuated, each staple driver drives the staple into the staple forming surface of the anvil. A first quantity of the plurality of staple drivers has a first height and a second quantity of the plurality of staple drivers has a second height, wherein the first height is less than the second height.

Abstract: A method for manipulating tissue of a patient includes a surgical instrument having a handle assembly, a shaft assembly, and an end effector. The method includes positioning a tissue within a gap between a cartridge and an anvil and against a guide pin to laterally position the tissue relative to the cartridge and the anvil. The method also includes moving a retaining pin from an open position to a closed position to capture the tissue and moving the cartridge toward the anvil in a closed configuration. Furthermore, the method includes inhibiting deflection of a distal end portion of the end effector wherein at least at least one of the guide pin or the retaining pin connects to the distal end portion. The method further includes forming a plurality of staples within the tissue and cutting the tissue with a knife.

Abstract: A surgical tool assembly that has a first jaw and a second jaw that is movable relative to the first jaw. A firing member assembly is configured to move distally from a starting position. The firing member assembly includes a first firing element and a second firing element that is configured to move between a locked position wherein the second firing element is in locking engagement with a lockout portion of the first jaw to prevent the firing member assembly from moving distally from the starting position upon application of a firing motion thereto and an unlocked position. The firing member assembly is configured to prevent an unlocking load from being applied to an attachment portion of the second firing element upon application of the firing motion thereto when the second firing element is in the locked position.

Abstract: A surgical instrument, comprising an articulatable end effector that is selectively articulatable about an articulation axis. The end effector comprises first and second jaws wherein the second jaw is pivotable relative to the first jaw about a pivot axis by an axially movable closure member. One of the first and second jaws supports a fastener cartridge that defines a proximal most fastener location therein. A first distance between the pivot axis and an area of camming contact between a closure member cam surface on the closure member and a jaw cam surface on one of the first and second jaws divided by a second distance from the articulation axis to the proximal most fastener location is less than 0.5.

Abstract: A surgical instrument, comprising an articulatable end effector that is selectively articulatable about an articulation axis. The end effector comprises first and second jaws wherein the second jaw is pivotable relative to the first jaw about a jaw pivot axis. The instrument includes an axially movably firing member that includes at least one jaw engagement feature that is configured to apply a closure motion to the second end effector jaw as the axially movable firing member is moved from a starting position to an end position within the first end effector jaw. Each jaw engagement feature is configured such that a portion thereof is positioned between the jaw pivot axis and the articulation axis when the axially movable firing member is in the starting position.

Abstract: A surgical instrument that includes an elongate shaft assembly that defines a shaft axis and includes a first jaw attached thereto. A second jaw is coupled to the first jaw for selective pivotal travel relative thereto between a fully open position and a fully closed position about a fixed jaw pivot axis that is transverse to the shaft axis and extends therethrough. The elongate shaft assembly includes a closure member that is axially movable between a starting position corresponding to the fully open position and an ending position corresponding to the fully closed position. When the closure member is in the starting position, a distal end thereof is located on a plane that is spaced distally from the jaw pivot axis a distance that measured along the shaft axis that is no more than 0.090 inches.

Abstract: A surgical instrument that includes a surgical end effector that has a first jaw and a second jaw that is pivotally attached to the first jaw for pivotal travel between a fully open position and a fully closed position by an axially movable closure member. The instrument further includes an axially movably firing member that has at least one jaw engagement feature that is configured to apply additional closure motions to the second jaw as the axially movable firing member is moved from a proximal most position to a distalmost position within the first end effector jaw. When the closure member is in a starting position and the axially movable firing member is in the proximal most position, a distal end of the closure member is distal to a distal end of the at least one jaw engagement feature.

Abstract: A surgical instrument that includes a first jaw and a second jaw that is pivotally attached to the first jaw. At least one tissue locating feature on the second jaw extends downward beyond a second surface on the second jaw and is configured to prevent tissue received between a first surface on the first jaw and the second surface on the second jaw from extending proximally beyond a distal end portion of the at least one tissue locating feature. When the second jaw is in a fully open position, the distal end portion of each tissue locating feature is positioned relative to a corresponding portion of the first surface to prevent a gap therebetween and wherein a jaw aperture angle between the first and second surfaces when the second jaw is in the fully open position is greater than 12.25 degrees.

Abstract: A surgical instrument that includes a first jaw that has a pair of laterally aligned vertical slots formed in a proximal end portion thereof. Each vertical slot includes an open upper end. A second jaw is movably supported for selective pivotal travel relative to the first jaw between a fully open and a fully closed position. Pivot members protrude laterally from the second jaw and are each received in a corresponding one of the vertical slots in the first jaw such that the pivot members may pivot therein. A retainer member is configured to operably engage the proximal end portion of the first jaw and retain the pivot members in the corresponding vertical slots as the second jaw moves between the fully open and the fully closed positions.

Abstract: A surgical instrument that includes a first jaw and a second jaw that is coupled to the first jaw for selective pivotal travel relative thereto between a fully open position and a fully closed position. An axially movable closure member is selectively axially movable in a closure direction to move the second jaw from the fully open position to the fully closed position and in an axial opening direction to move the second jaw from the fully closed position to the fully open position. The axially movable closure member includes a first jaw opening feature that is configured to apply a first jaw opening motion to the second jaw and a second jaw opening feature is axially spaced from the first jaw opening feature and is configured to apply a second jaw opening motion to the second jaw.

Abstract: A surgical instrument that includes a first jaw and a second jaw that is coupled to the first jaw for selective pivotal travel relative thereto between a fully open position and a fully closed position. A closure member is configured to apply closure motions to the second jaw as the closure member is axially movable in a distal direction from a starting position corresponding to the fully open position of the second jaw to an ending position corresponding to the fully closed position of the second jaw. The closure member is configured to move distally from the starting position through an initial predetermined axial closure distance before applying the closure motion to the second jaw.

Abstract: A method for operating a surgical instrument is disclosed.

Abstract: A surgical instrument comprising an end effector, a shaft, and an articulation joint is disclosed. The shaft comprises a frame defining a longitudinal shaft axis and, in addition, a closure actuator translatable relative to the frame. The closure actuator comprises a proximal portion, a distal portion, and a link rotatably connected to the proximal and distal portions about proximal and distal link axes, wherein the proximal and distal link axes define a longitudinal link axis therebetween. The end effector is rotatably connected to the shaft about an articulation axis defined by the articulation joint, wherein the end effector is articulatable between an unarticulated position and an articulated position, wherein the articulation axis is offset from the longitudinal shaft axis, and wherein the longitudinal link axis is not collinear with the longitudinal shaft axis when the end effector is in either the unarticulated position or the articulated position.

Abstract: A surgical instrument is disclosed comprising a shaft, an end effector, and an articulation system which are configured to provide various mechanical advantages.

Abstract: A method of coating a slip ring for use with a surgical instrument is disclosed. The method includes the steps of providing a slip ring including a plurality of conductive elements, and depositing a material less conductive than the conductive elements onto the conductive elements of the slip ring.

Abstract: A shaft assembly is disclosed comprising a shaft including a proximal end, a distal end, a longitudinal axis extending between the proximal end and the distal end, and an outer housing comprising a shaft radius defined with respect to the longitudinal axis. The shaft assembly further comprises an end effector comprising an end effector frame rotatably coupled to the shaft about a fixed articulation axis positioned laterally offset with respect to the longitudinal axis. The shaft assembly further comprises an articulation driver coupled to the end effector frame at an attachment location, wherein a lateral moment arm is defined between the attachment location and the fixed articulation axis, wherein the lateral moment arm is orthogonal to the longitudinal axis, and wherein the shaft assembly is configured such that a ratio of the shaft radius to the lateral moment arm is minimized.

Abstract: A slip ring assembly is used with a surgical shaft assembly. The slip ring assembly includes a slip ring, a first conductor mounted on the slip ring, a commutator rotatable relative to the slip ring, and a second conductor mounted on the commutator. The slip ring assembly further includes a flexible member disposed between the slip ring and the commutator. The flexible member comprises a body and flexible protrusions extending from the body, wherein the flexible protrusions are elastically deformed against the first slip ring.

Abstract: A surgical instrument is disclosed comprising a shaft, an end effector rotatably coupled to the shaft about an articulation joint, and a firing system configured to be moved through the articulation joint and the end effector. The surgical instrument further comprises means configured to facilitate the movement of the firing system through the articulation joint and the end effector.

Abstract: A surgical instrument comprising a shaft, an end effector rotatable relative to said shaft about an articulation joint, an articulation system configured to rotate the end effector, and an articulation lock. The articulation lock is configured to selectively couple the articulation system to a frame of the shaft. In various embodiments, the surgical instrument further comprises a lock plate movable within the shaft frame. In such embodiments, the articulation lock is configured to lock the articulation system to the lock plate.

Abstract: A surgical instrument comprising a shaft, an end effector rotatable relative to said shaft about an articulation joint, an articulation system configured to rotate the end effector, and an articulation lock. The articulation lock is configured to selectively couple the articulation system to a frame of the shaft. In various embodiments, the surgical instrument further comprises a lock plate movable within the shaft frame. In such embodiments, the articulation lock is configured to lock the articulation system to the lock plate.

Abstract: A surgical instrument is disclosed comprising an end effector including a first jaw and a second jaw, wherein the first jaw is rotatable relative to the second jaw, and a closure system configured to close the first jaw during a closure stroke. The surgical instrument further comprises an articulation joint rotatably connecting the end effector to the shaft, an articulation system configured to articulate the end effector relative to the shaft, and a firing system operably engaged with the electric motor, wherein the firing member is configured to move through the end effector during a firing stroke. The surgical instrument further comprises a first rotatable member configured to selectively synchronize the motion of the firing system with the motion of the articulation system and a second rotatable member operably engageable with the articulation system, wherein the closure system is configured to stop the rotation of the second rotatable member.

Abstract: A surgical stapling instrument is disclosed. An end effector for the surgical stapling instrument comprises a staple cartridge assembly and an anvil. The staple cartridge assembly comprises a proximal end, a distal end, and a cartridge body comprising a shortened nose at the distal end. The staple cartridge assembly further comprises staples removably stored in the cartridge body, a driver configured to support at least one of the staples, and a sled movable toward the distal end. The sled comprises a ramp configured to lift the driver and at least one of the staples and a base, wherein the shortened nose of the cartridge body is shorter than the base of the sled. The anvil comprises a staple forming surface comprising a plurality of staple forming pockets and a blunt distal nose extending downward toward the staple cartridge assembly.

Abstract: A surgical instrument system comprising an elongate shaft is disclosed. The elongate shaft comprises a proximal end, a distal end, a proximal region, a central region, and a distal region. The proximal region comprises a first diameter. The central region comprises a second diameter. The distal region comprises a third diameter. The first diameter is different than the second diameter, and the second diameter is different than the third diameter. The proximal region defines a central longitudinal axis and the central region is centered along the central longitudinal axis. The distal region is laterally offset with respect to the central longitudinal axis.

Abstract: A surgical instrument insertable through a trocar comprising a shaft including a frame, an end effector, and an articulation joint, wherein the end effector is rotatable about the articulation joint. The shaft further comprises an outer housing slidable relative to the shaft frame including a distal non-round housing portion adjacent the articulation joint and a longitudinal round housing portion extending proximally from the distal housing portion, wherein the longitudinal round housing portion comprises a first diameter, and wherein the distal housing portion comprises a second diameter which is less than the first diameter. The surgical instrument further comprises an articulation lock configured to prevent the rotation of the end effector, wherein the articulation lock is positioned within the distal non-round housing portion.

Abstract: A method is disclosed. The method includes delivering staples from a surgical staple cartridge of a surgical instrument to a first tissue during a first procedure; removing the surgical staple cartridge from the surgical instrument; and delivering radio-frequency energy from a radio-frequency cartridge of the surgical instrument to a second tissue during a second procedure.

Abstract: The present disclosure provides a surgical cartridge assembly including a proximal end, a distal end, and an elongate channel. The elongate channel includes a base and at least one opening within the base. The surgical cartridge assembly further includes a cartridge body configured to be removably received within the elongate channel and a slot configured to receive a cutting member. In addition, the surgical cartridge assembly includes at least one lockout tab extending from the proximal end of the cartridge body, wherein the at least one lockout tab is configured to cover the at least one opening when the cartridge body is received within the elongate channel, and wherein the at least one lockout tab disables a lockout mechanism to allow the cutting member to advance distally through the slot.

Abstract: An exemplary surgical apparatus includes a cartridge; a staple strip held within the cartridge; staples affixed to the staple strip, where each staple is affixed to the staple strip at a single joint, and where the staples on each staple strip are arranged in longitudinally-extending rows and the staples in adjacent rows are staggered relative to one another; and a wedge assembly including a plurality of wedges laterally spaced from one another, each wedge including a shear bump on an upper surface thereof, where each of the shear bumps has substantially a first length; and where the shear bumps of the wedges are longitudinally aligned with one another within a distance equal to the first length; where the wedge assembly is slidable relative to the staples to cause at least one wedge to make direct contact with at least one of the staples to rotate the at least one staple about the joint, and then break at least one of the staples from the joint with the staple strip upon contact between the at least one of t

Abstract: A method of surgical stapling that uses a surgical instrument operable to compress, staple, and cut tissue. The instrument includes a body, a shaft, and an end effector with a pair of jaws. A placement tip extends distally from one of the jaws of the end effector. The method includes positioning the end effector at a desired site for surgical stapling. The method also includes controlling one or more of the jaws of the end effector to place the end effector in an open position. The method also includes positioning the end effector such that tissue is located between the jaws. The method also includes clamping the tissue between the jaws by moving at least one of the jaws toward the other jaw. The method also includes advancing a firing beam of the apparatus from a proximal position to a distal position.

Abstract: A reposable surgical clip applier (10) includes a handle assembly (100) and an endoscopic assembly (200, 300, 400). The handle assembly (100) includes a housing (110) defining a body portion (111) and a fixed handle portion (112) extending from the body portion (111) and a trigger (122) pivotably connected to the housing (110) and movable relative to the fixed handle portion (112) between an un-actuated position and an actuated position. The endoscopic assembly (200, 300, 400) includes a proximal hub (210, 310, 410) configured to be selectively engageable with the housing (110) of the handle assembly (100), an elongated shaft (340) extending distally therefrom, an end effector (350) supported at a distal end of the elongated shaft (340), and an inner drive assembly (320) including a proximal portion (323) and a distal portion (325).

Abstract: An implantable medical device includes an elongate support member including an internal wall forming an internal lumen and an elongate flexible tubular valve member having a length, a proximal end, and a closable distal end. The proximal end of the valve member is secured to the support member and is configured to be held open thereby in a deployed condition of the device. The valve member is at least partially unstented along its length. In a deployed condition of the device, flow in a proximal direction causes the distal end of the valve member to be closed.

Abstract: An occluder includes a first occluder disc, a second occluder disc, a waist portion connecting the first occluder disc and the second occluder disc, and at least one soft and fibrous strand bundle structure. The strand bundle structure is disposed on at least one of a disc surface of the first occluder disc and a disc surface of the second occluder disc, the two disc surfaces faces each other, and the strand bundle structure is disposed near the waist portion. By disposing the strand bundle structure to be immediately adjacent to the waist portion, a defect opening can be occluded after implantation, thereby effectively blocking blood from flowing from one side of the defect to the other side thereof, and preventing a shunt from being formed.

Abstract: A method of treating an aneurysm with an occlusion device having an inner embolic device with a proximal section and a distal section. The distal section has a first stiffness and the proximal section has a second stiffness. Further, the device has an expandable mesh capable of a collapsed position and an expanded position. The mesh can be disposed over, and attached to, a portion of the proximal section of the inner embolic device. The first stiffness is greater than the second stiffness and the inner embolic device comprises a preselected shape which assists in transforming the expandable mesh from the collapsed position to the expanded position.

Abstract: An expandable occlusion device is provided including an expandable occluder expandable from a compressed state to an expanded state to sealingly engage tissue. An outer sheath that defines a longitudinal axis may be disposed about the expandable occluder. The outer sheath may be configured to compress the expandable occluder and maintain the expandable occluder in the compressed state. A pull cord may be operably coupled to the outer sheath and selectively manipulatable to tear the outer sheath such that the outer sheath is removed from the expandable occluder allowing the expandable occluder to expand from the compressed state to the expanded state.

Abstract: A foam transfer or dispensing device is described which dispenses foam from a source of foam, typically a pressurised canister, and which enables efficient purging or air and an initial volume of foam from the device to ensure foam sterility and quality when a syringe is filled from the device. The device comprises a foam inlet arranged for communication with a source of foam, a foam pathway in fluid communication with the foam inlet and comprising a foam outlet, arranged for engagement by a syringe nozzle; and a waste outlet in fluid communication with the foam pathway. The foam pathway comprises a tubular projection arranged to extend through the foam outlet and into a syringe nozzle when a syringe is connected to the foam outlet, which improves the efficiency of the purging process and prevents pooling of air or foam. The device further comprises a means for restricting displacement of material through the waste outlet, so that the user can control the volume of foam that is wasted.

Abstract: A rongeur includes a device body having a first arm and a second arm slidably coupled to the first arm. A handle operatively coupled to the first arm and the second arm is configured to move the second arm along a length of the first arm in a first direction and an opposing second direction. A tip assembly is removably coupled to a distal end of the device body. The tip assembly includes a first tip and a second tip slidably coupled to the first tip. A locking mechanism is configured to removably couple the first tip to the first arm and removably couple the second tip to the second arm. The second tip is movable with respect to the first tip from an open position toward a closed position as the second arm moves in the first direction.

Abstract: An jet injection and electroporation device for use with an agent cartridge defining a volume containing a pre-measured dose of agent therein, the electroporation device including a housing having an axis extend therethrough, a nozzle at least partially positioned within the housing, and a cavity sized to receive at least a portion of the agent cartridge therein. The device also includes an array having a plurality of electrodes extending therefrom, a propulsion cartridge configured to operatively engage the cartridge when the agent cartridge is positioned within the cavity; and a power supply in electrical communication with the array.

Abstract: A clot removal device has an expandable treatment member having a distal tip and a proximal end, a delivery wire having a distal end coupled to the proximal end of the expandable treatment member, and a flow restrictor carried along the delivery wire at a location that is separate and proximal from the expandable treatment member. The flow restrictor has a body with a distal section and a proximal section, the distal section being covered and the proximal section being uncovered. The expandable treatment member is moveable relative to the flow restrictor, and can be retracted into the distal section.

Abstract: Various embodiments of the systems, methods and devices are provided comprising angioplasty to break up calcification or other tissue in occlusive areas within a blood vessel. The various embodiments disclosed comprise pressure pulse periods designed to break up calcified occlusive material through a cyclically stretching of the vessel walls without damaging the vessel wall tissue.

Abstract: A clot removal device for removing clot from a body vessel comprising an expandable structure and an elongate member. The elongate member can have a proximal end and a distal end, the elongate member being connected to the expandable structure at its distal end. The expandable structure can have a constrained delivery configuration, an expanded clot engaging deployed configuration, and an at least partially constrained clot pinching configuration. At least a portion of the expandable structure can be configured to engage clot in the expanded deployed configuration and to pinch clot on movement from the deployed configuration to the clot pinching configuration.

Abstract: An apparatus for patient-specific adjusting of ultrasound output pressure includes a controller (118) configured for adjusting, based on an estimate of thickness of a temporal bone (140) in a head of a medical treatment recipient, a pressure setting. It may also be based on treatment depth (134). Ultrasound at the adjusted pressure setting is applied. A user interface may be provided for user entry of the estimate, the user interface being further configured for user indication of the treatment depth. Both the entered estimate and the indicated treatment depth may be used in calculating ultrasound attenuation (148). The user indication can be interactive by virtue of designating, on a display, a location of a treatment target. The calculated attenuation may be a value, in decibels, that is in a range from 0.9×(2.70×0.1+16.60×T+0.87×(D?T?0.1)+3.02) to 1.1×(2.70×0.1+16.60×T+0.87×(D?T?0.1)+3.02), where T is the estimate in centimeters and D is the treatment depth in centimeters.

Abstract: A medical device includes a lever with an applied force position, a load position, and a fulcrum position. A first cable extends from the applied force position of the lever to a first capstan, the first cable wrapping around the first capstan. A second cable extends from the applied force position of the lever to a second capstan, the second cable wrapping around the second capstan. A rod couples the load position of the lever and a surgical end effector. The first and second capstans may be fixed to an axle. The axle may receive a rotational input from a rotary actuator. A hand wheel may be coupled to the axle. There may be a spring between a support structure and the lever to bias the lever to rotate about the fulcrum position of the lever.

Abstract: Surgical devices are provided having power-assisted or fully powered jaw closure. The devices herein generally include a handle portion, an elongate shaft, and an effector having first and second jaws configured to engage tissue. A motor and one or more compression springs can be operatively coupled, and activation of the motor can compress the spring(s) to reduce the amount of user supplied force to compress tissue between the jaws. In some embodiments, the devices can be configured to regulate an amount of compression applied by the jaws prior to, during, and/or after cutting of the tissue to promote hemostasis. For example, the devices can include sensors, processors, and/or other components that analyze data indicative of tissue type and tissue load. Based on this feedback, the device can automatically adjust the amount of compression or energy applied to the tissue to seal the tissue.

Abstract: A method of suturing a trocar path incision in a tissue of a patient with an obturator includes inserting the obturator through the tissue such that a shaft of the obturator extends through a tissue opening about the trocar path incision and a distal tip of the obturator is positioned within a cavity of the patient. The method also includes directing the suture via a suturing feature with the obturator inserted through the tissue in order to direct the suture relative to the tissue. Furthermore, the method includes closing the tissue opening about the trocar path incision with the suture.

Abstract: The present embodiments provide apparatus and methods for treating tissue by applying a force to the tissue. In one embodiment, the apparatus comprises a deployable segment having proximal and distal regions, a main body extending therebetween, and a loop member formed at the distal region of the deployable segment. A cannula having a bore is dimensioned to circumferentially surround at least a portion of the main body at a location proximal to the loop member, and a spring member is disposed between the cannula and the loop member. The proximal end of the spring member is affixed to the cannula, and the distal end of the spring member is movable to apply a compressive force to adjust the size of the opening of the loop member and compress tissue disposed within the opening of the loop member. In an alternative embodiment, the cannula is omitted, and a diameter of the loop member is configured to be reduced and increased any number of times before final deployment of the deployable segment.

Abstract: A noninvasive ultra-high frequency ultrasound treatment method and system are provided. An exemplary method system comprise a high-frequency ultrasound transducer system configured for providing ultrasound treatment to a patient such that the superficial and/or subcutaneous regions of the patient can be treated. An exemplary high-frequency ultrasound transducer system comprises a control system and a transducer configured to provide treatment to the superficial and/or subcutaneous regions of interest. The high-frequency ultrasound transducer may be configured to operate at higher frequencies and controlled power levels to provide treatment to the superficial and/or subcutaneous regions of interest. For example, higher frequencies within the range from approximately 20 MHz to 500 MHz or more may be utilized.

Abstract: A surgical apparatus comprises a body, a user input feature, a shaft assembly, an end effector, and a blade cooling system. The end effector comprises a clamp arm and an ultrasonic blade that may be coupled with an ultrasonic transducer. The clamp arm is configured to pivot toward and away from the ultrasonic blade. The cooling system is operable to deliver liquid coolant to the ultrasonic blade to thereby cool the ultrasonic blade. The user input feature is operable to both actuate the clamp arm and actuate the cooling system.

Abstract: A medical device for crushing an object in a body lumen, the medical device including: an elongated shaft portion rotatably driven; a crushing unit provided with bendable wire rods and rotatable together with the shaft portion; and a sliding unit fixed to each of end portion of the wire rods on at least one of a distal side of and a proximal side of the wire rods and is interlocked with the shaft portion so as to be slidable in an axial direction of the shaft portion. The shaft portion is provided with contact portions that come into contact with the sliding unit during rotation and limit relative rotation of the shaft portion and the sliding unit. After the sliding unit is attached to the contact portions, the sliding unit rotates in the same direction as the shaft portion along with the rotation of the shaft portion.