Abstract: An orthopaedic surgical instrument comprising a stem trial component is disclosed. The stem trial component comprises an outer sleeve and a central rod that couples the stem trial component to a surgical reamer. A method of assembling an orthopaedic surgical instrument is also disclosed.

Abstract: A surgical drilling instrument with a Curved Burr Attachment having an adapter removably coupled to a drill motor and a burr attachment coupled to said adapter. The burr attachment includes a tube with a wire shaft supported therein and a coil wire surrounding said wire shaft and having each of the coils touch the outer periphery surface of the wire shaft and the inner peripheral surface of said tube to enhance cooling of said outer periphery of said tube from the heat generated by said wire shaft and attenuate vibrations while allowing said burr attachment to be bent without kinking.

Abstract: A drill device including a shaft having a proximal end and a distal end, one or more first reaming heads configured to be positioned along the shaft adjacent the distal end and one or more second reaming heads configured to be positioned along the shaft at a location axially proximally spaced from the first reaming head.

Abstract: A patient-specific navigational guide for use in spinal surgery, comprising two tubular guiding members integral with a supporting frame and extending from a proximal opening to a distal opening for guiding a surgical operation on a patient's vertebra. The contact members are designed to mate with a corresponding plurality of contact areas on the patient's vertebra in order to define a unique coupling configuration of the patient-specific navigational guide on the patient's vertebra. Said contact members comprise at least one pair of a first main contact member, designed to abut on a contact area corresponding to the lamina of the patient's vertebra, and a pair of a second main contact member, designed to abut, at least partially, on the upper articular process, or facet, of the patient's vertebra. Said tubular guiding members each have a slot extending from the proximal opening to the distal opening.

Abstract: A system for removing an obstruction from a blood vessel. The system can include a catheter with a proximal section with a proximal section lumen diameter, a distal section with a distal section lumen diameter less than the proximal section lumen diameter, an intermediate section extended between proximal and distal sections. The system can include a clot retrieval device with a clot engaging element. The system can include a shaft being advanceable through the lumen of the catheter the obstruction of the blood vessel, the shaft can include a shaft proximal section; a shaft distal section attached to the clot engaging element and configured to cross the obstruction, a diameter of the shaft proximal section being greater than a diameter of the shaft distal section thereby inhibiting the shaft proximal section from distally advancing through the catheter distal section.

Abstract: A hand-held gripping device that allows a surgeon to reach interior portions of a person's anatomy, includes a gripping portion having a pair of jaws and/or nets movable relative to each other between fully clamped and fully opened positions thereof, a handle portion spaced apart from the jaw portion by a bendable central portion that is hollow and corrugated, with a cord extending therethrough.

Abstract: Variations of integral navigation controls may be used in conjunction with a medical instrument to provide navigation functions for an image guided surgery (IGS) system that is in communication with the integral navigation controls. In some variations, a medical instrument with integrated navigation wheels allows movement of a cursor of the IGS system along the x and y axis by scrolling the wheel, or allows selection, zooming, or other controls by combined clicking and/or scrolling of wheels, and may be sterilized or discarded along with the device. In some other variations, a control overlay may be temporarily attached to the medical instrument to provide additional controls, such as buttons or a pointing stick, and then removed and sterilized or discarded after a procedure. In each variation, inputs may be communicated via wire or wirelessly to an IGS system to provide navigation of images during a surgical procedure.

Abstract: Deflectable guide catheters and methods, including methods for using deflectable guide catheters to perform transnasal procedures within the ear, nose, throat, paranasal sinuses or cranium. Some deflectable guide catheters of the present invention comprise a substantially rigid tube, a helical spring attached to and extending from the distal end of the substantially rigid tube, a tubular plastic inner jacket, an outer plastic jacket substantially covering at least the helical spring member. The spring member is deflectable to cause the distal portion of the guide catheter to deflect to a curved configuration. In embodiments for transnasal use the deflectable guide catheter may have a length of less than 25 cm.

Abstract: A surgical instrument includes an end effector, a motor for opening and closing the jaws, a sensor configured to detect a tissue compression parameter associated with a tissue between the jaws, and a control circuit. The control circuit is configured to determine a value of the tissue compression parameter via the sensor as the jaws transition from the open configuration to the closed configuration, cause the motor to increase a time to transition the jaws to the closed configuration according to whether the value of the tissue compression parameter is above a first threshold, and provide feedback according to whether the value of the tissue compression parameter is below a second threshold.

Abstract: A surgical system includes a surgical instrument, an end effector, a control circuit, and a sensor configured to transmit a sensor signal indicative of a closure parameter of the end effector. The control circuit is configured to adjust a closure rate of change parameter and the closure threshold parameter based on perioperative information received from one or more data sources and a sensor signal received from the sensor.

Abstract: A surgical stapling instrument includes an end effector that has a first jaw; a second jaw movable relative to the first jaw between an open configuration and a closed configuration to grasp tissue between the first jaw and the second jaw; an anvil; and a staple cartridge with staples deployable into the tissue and deformable by the anvil. The surgical stapling instrument further includes a control circuit configured to: determine tissue impedances at predetermined zones; detect an irregularity in tissue distribution within the end effector based on the tissue impedances; and adjust a closure parameter of the end effector in accordance with the irregularity.

Abstract: A flexible circuit of a surgical instrument includes a rigid section and a flexible section. The rigid section is configured to mechanically interlock with a component of the surgical instrument and has at least one of the following mounted thereon: (1) a processing device and (2) a logic element. The flexible section is aligned with one of the following: (1) an active bending portion of a shaft assembly of the surgical instrument and (2) an articulation joint of the shaft assembly.

Abstract: Surgical instruments and assemblies for sealing and cutting tissue monitor jaw angle and/or jaw clamping force to provide feedback to an operator of the surgical instrument indicative of whether the tissue is suitable clamped for sealing and/or cutting. A surgical instrument or assembly includes a jaw operable to clamp tissue, a sealing mechanism, a cutting mechanism, an actuation monitoring assembly, and a feedback assembly. The actuation monitoring assembly monitors jaw angle and/or clamping force. The feedback assembly outputs feedback to the operator, based on the jaw angle and/or clamping force, as to whether the current clamping angle and/or jaw angle is suitable for sealing and/or clamping tissue.

Abstract: A surgical instrument is disclosed. The surgical instrument includes a shaft, a sensing array and a fluid detection circuit. The sensing array is positioned within the shaft. The fluid detection circuit is electrically coupled to the sensing array, and is configured to determine when a fluid originating from an environment external to the shaft is present within the shaft.

Abstract: A surgical instrument is disclosed. The surgical instrument includes a body, a shaft and a control circuit. The control circuit includes at least one sensing device and is to determine a presence of another surgical instrument proximate to the surgical instrument within an environment of a surgical procedure.

Abstract: A surgical instrument is disclosed. The surgical instrument includes an electric motor and a control circuit. The control circuit includes a plurality of logic gates and a monostable multivibrator. The monostable multivibrator is connected to a first one of the logic gates. The control circuit is configured to alter a rate of action of a function of the surgical instrument by controlling a speed of rotation of the electric motor based on a sensed parameter.

Abstract: A surgical instrument is disclosed comprising a housing and a control circuit mounted to and/or embedded in the housing.

Abstract: A surgical instrument is disclosed. The surgical instrument includes a drive system and a control circuit. The drive system includes an electric motor. The control circuit includes an acoustic sensor, and is configured to utilize a parameter of the drive system measured by the acoustic sensor to control a speed of the electric motor.

Abstract: A surgical instrument is disclosed comprising an actuator and circuitry mounted on and/or embedded in the actuator.

Abstract: A surgical instrument is disclosed comprising a control system and a strain gage circuit. The operation of the control system is modifiable by an input from the strain gage circuit.

Abstract: A surgical instrument is disclosed comprising a plurality of drive systems and one or more shifting systems. The functionality of the surgical instrument is controlled by the shifting systems.

Abstract: A scissor forceps comprises a base and a pair of blades configured to be pivotally attached to one another via a swing shaft attached to the base in an overlapping relationship. A drive mechanism is used to drive the blades and includes a power transmitting member that transmits a pulling force. A swing mechanism is disposed on a proximal side of the blades relative to the swing shaft converting a portion of the pulling force being transmitted by the power transmitting member to a first force that swings the blades. A pressing mechanism that converts another portion of the pulling force to a second force that separates the blades in the axial direction of the swing shaft on the proximal side of the blades. The swing mechanism includes cam grooves formed through the blades along directions that intersect one another on the proximal side of each of the blades.

Abstract: In the field of minimally invasive or laparoscopic surgery, in there exists several devices for the purposes of removing large tissues from the abdomen through the use of only small holes. All of these devices, to date, to the knowledge of the inventor have involved morcellation, or the breaking apart of these tissues into small pieces. The surgical device, through the use of a unique engulfing sheet or engulfing bag, has the capability of removing a tissue from the abdomen through small minimally invasive or laparoscopic incisions without the use of morcellation. The device relies upon mechanical energy to force a large object through a smaller hole without the necessity to break the object down into smaller pieces.

Abstract: Surgical hub systems are disclosed. A surgical hub system comprises a surgical hub configured to communicably couple to a modular device comprising a sensor configured to detect data associated with the modular device and a device processor. The surgical hub comprises a hub processor, a hub memory coupled to the hub processor. The surgical hub system also comprises a distributed control system executable at least in part by each of the device processor and the hub processor. The distributed control system is configured to: receive the data detected by the sensor; determine control adjustments for the modular device according to the data; and control the modular device according to the control adjustments. When in a first mode, the distributed control system is executed by both the hub processor and the device processor. In a second mode, the distributed control system is executed solely by the device processor.

Abstract: A surgical stapling instrument is disclosed. The surgical stapling instrument includes an end effector configured to clamp a tissue, a cutting member, a motor coupled to the cutting member, the motor configured to move the cutting member between a first position and a second position, and a control circuit coupled to the motor. The control circuit is configured to sense a parameter associated with clamping of the end effector or firing of the cutting member, or a combination of clamping of the end effector and firing of the cutting member, and control the motor to adjust a torque applied to the cutting member by the motor, a speed at which the motor drive the cutting member, or a distance to which the motor drives the cutting member according to the parameter, or any combination of adjusting the torque, the speed, and the distance.

Abstract: A precision blade apparatus includes a housing, a control mechanism, a blade motor and a power source, an adjustment dial, a retractable interchangeable blade operably coupled to the blade motor and configured to be operated by the control mechanism, an alignment mechanism operated by the control mechanism, and a secondary alignment mechanism attached to the alignment mechanism. The secondary alignment mechanism is configured to be aligned into a single point when the target object is appropriately centered within the alignment mechanism thereby allowing more nuanced control and illumination of a particular area of the target object. The adjustment dial is configured to calibrate and adjust a blade extension speed, a blade extension distance, a blade selection of the retractable interchangeable blade, a position of the alignment mechanism, operation of the secondary alignment mechanism, and power consumption.

Abstract: A generator, ultrasonic device, and method of determining a temperature of an ultrasonic blade are disclosed. A control circuit coupled to a memory determines an actual resonant frequency of an ultrasonic electromechanical system comprising an ultrasonic transducer coupled to an ultrasonic blade by an ultrasonic waveguide. The actual resonant frequency is correlated to an actual temperature of the ultrasonic blade. The control circuit retrieves from the memory a reference resonant frequency of the ultrasonic electromechanical system. The reference resonant frequency is correlated to a reference temperature of the ultrasonic blade. The control circuit then infers the temperature of the ultrasonic blade based on the difference between the actual resonant frequency and the reference resonant frequency.

Abstract: Various systems and methods for controlling an ultrasonic surgical instrument according to the location of tissue grasped within an end effector are disclosed. A control circuit can be configured to apply varying power levels, via a generator, to an ultrasonic transducer driving an ultrasonic electromechanical system to oscillate an ultrasonic blade. Further, the control circuit can measure impedances of the ultrasonic transducer corresponding to the varying power levels and determine a location of tissue positioned within the end effector according to a difference between the impedances of the ultrasonic transducer relative to a threshold.

Abstract: Various systems and methods for determining the composition of tissue via an ultrasonic surgical instrument are disclosed. A control circuit can be configured to monitor the change in resonant frequency of an ultrasonic electromechanical system of the ultrasonic surgical instrument as the ultrasonic blade oscillates against a tissue and determine the composition of the tissue accordingly. In some aspects, the control circuit can be configured to modify the operation of the ultrasonic electromechanical system or other operational parameters of the ultrasonic surgical instrument according to the detected tissue composition.

Abstract: A surgical instrument is disclosed. The surgical instrument comprises an end effector comprising an ultrasonic blade and a clamp arm. The clamp arm is movable relative to the ultrasonic blade to transition the end effector through different closure stages between an open configuration and a closed configuration to clamp tissue between the ultrasonic blade and the clamp arm. The surgical instrument further comprises a transducer configured to generate an ultrasonic energy output, a waveguide configured to transmit the ultrasonic energy output to the ultrasonic blade, and a sensor configured to transmit sensor signals indicative of the closure stages of the end effector. The surgical instrument further comprises a control circuit configured to receive the sensor signals and select an operational mode from operational modes delivering different ultrasonic energy outputs from the transducer based on the received sensor signals.

Abstract: Various systems and methods for selectively controlling the activation of an ultrasonic surgical instrument according to the presence of tissue within an end effector are disclosed. A control circuit can be configured to determine whether tissue is present within the end effector and permit activation of the ultrasonic transducer at a power level according to whether tissue is present within the end effector. In some aspects, the control circuit can be configured to automatically activate the ultrasonic transducer in response to tissue being detected within the end effector.

Abstract: Various systems and methods for controlling the activation of energy surgical instruments are disclosed. An advance energy surgical instrument, such an electrosurgical instrument or an ultrasonic surgical instrument, can include one or more sensor assemblies for detecting the state or position of the end effector, arm, or other components of the surgical instrument. A control circuit can be configured to control the activation of the surgical instrument according to the state or position of the components of the surgical instrument.

Abstract: Various systems and methods for determining the state of an ultrasonic electromechanical system are disclosed. A control circuit can be configured to monitor the change in resonant frequency of an ultrasonic electromechanical system of the ultrasonic surgical instrument as the ultrasonic blade oscillates and determine the state or change in state of the ultrasonic electromechanical system accordingly. The change in state of the ultrasonic electromechanical system can include, for example, the change in temperature of the system. In some aspects, the control circuit can be configured to modify the operation of the ultrasonic electromechanical system or other operational parameters of the ultrasonic surgical instrument according to the state or change in state of the system.

Abstract: A surgical instrument is disclosed. The surgical instrument comprises an end effector comprising an ultrasonic blade and a clamp arm. The clamp arm is movable relative to the ultrasonic blade to transition the end effector between an open configuration and a closed configuration to clamp tissue between the ultrasonic blade and the clamp arm. The surgical instrument further comprises an ultrasonic transducer configured to generate an ultrasonic energy output and a waveguide configured to transmit the ultrasonic energy output to the ultrasonic blade. The surgical instrument further comprises a control circuit, configured to detect an immersion of the end effector in a liquid and compensate for heat flux lost due to the immersion of the end effector in the liquid.

Abstract: Surgical instruments and system and methods for using surgical instruments are disclosed. A surgical instrument comprises an end effector comprising an ultrasonic blade and clamp arm, an electrode, an ultrasonic transducer, and a sensor coupled to a control circuit. The electrode receives electrosurgical energy from a generator and applies the electrosurgical energy to the end effector to weld tissue based on the generator generating a drive signal. The ultrasonic transducer ultrasonically oscillates the ultrasonic blade in response to the drive signal. The control circuit receives a signal from the sensor indicative of a surgical parameter, determines a weld time of a surgical operation based on the sensor signal, and varies one or more of a clamp arm pressure applied by the clamp arm and a power level of the electrosurgical energy to maintain one or more of a predefined heat flux or power applied to tissue loaded in the end effector.

Abstract: A method for evacuating particulates from a surgical site is disclosed. The method comprises communicatively connecting a particulate evacuation module and a surgical hub, wherein the surgical hub comprises a surgical hub enclosure, and wherein the particulate evacuation module is configured to be received within the surgical hub enclosure. The method further comprises removing a particulate from the surgical site and into the particulate evacuation module, analyzing the removed particulate, and modifying an operation of the particulate evacuation module based on the analysis of the removed particulate.

Abstract: A method for controlling an operation of an ultrasonic blade of an ultrasonic electromechanical system is disclosed. The method includes providing an ultrasonic electromechanical system comprising an ultrasonic transducer coupled to an ultrasonic blade via an ultrasonic waveguide; applying, by an energy source, a power level to the ultrasonic transducer; determining, by a control circuit coupled to a memory, a mechanical property of the ultrasonic electromechanical system; comparing, by the control circuit, the mechanical property with a reference mechanical property stored in the memory; and adjusting, by the control circuit, the power level applied to the ultrasonic transducer based on the comparison of the mechanical property with the reference mechanical property.

Abstract: A method for characterizing a state of an end effector of an ultrasonic device is disclosed. The ultrasonic device including an electromechanical ultrasonic system defined by a predetermined resonant frequency. The electromechanical ultrasonic system further including an ultrasonic transducer coupled to an ultrasonic blade. The method including applying, by an energy source, a power level to the ultrasonic transducer; measuring, by a control circuit coupled to a memory, an impedance value of the ultrasonic transducer; comparing, by the control circuit, the impedance value to a reference impedance value stored in the memory; classifying, by the control circuit, the impedance value based on the comparison; characterizing, by the control circuit, the state of the electromechanical ultrasonic system based on the classification of the impedance value; and adjusting, by the control circuit, the power level applied to the ultrasonic transducer based on the characterization of the state of the end effector.

Abstract: Various embodiments are directed to articulatable surgical instruments. Some embodiments comprise an end effector to treat tissue, where the end effector comprises an ultrasonic blade. A hollow shaft may extend proximally from the end effector along a longitudinal axis. A waveguide may extend through the shaft and may be acoustically coupled to the ultrasonic blade. The waveguide may comprise a distally positioned flange positioned within the hollow shaft proximally from the blade and may be held stationary at a first pivot point positioned within the hollow shaft proximally from the flange. A reciprocating wedge may be positioned within the hollow shaft such that distal motion of the wedge pushes the wedge between the flange and the hollow shaft, causing the ultrasonic blade to pivot about the first pivot point in a first direction.

Abstract: Dual-access site catheter systems with a blade or scoring functionality entering through a first access site and a balloon functionality for manipulating or driving the blade or scoring functionality through a different site. The blade or scoring functionality also sometimes provides needle or fluid delivery functionality to an atherosclerotic lesion.

Abstract: A medical device for cutting an object S in a body lumen is disclosed, which includes: a rotatable drive shaft; a tubular outer sheath configured to accommodate the drive shaft in a rotatable manner; a rotation structure, the rotation structure comprising an accommodation portion configured to be disposed inside the outer sheath; an exposed portion, the exposed portion being located at a distal side of the accommodation portion and is provided with a cutting portion, in which the accommodation portion is provided to be rotatable by the drive shaft, and a side surface of the accommodation portion and a side surface of the exposed portion have a groove portion, the groove portion extending from the accommodation portion to the exposed portion.

Abstract: Medical systems and methods for making and using medical systems are disclosed. Example medical systems may include an atherectomy system configured to engage and remove plaque from walls in vessels of a vascular system. The atherectomy system may include a drive shaft, a rotational tip coupled to an end of the drive shaft, a drive mechanism coupled to the drive shaft to rotate the rotational tip, and a control unit configured to control operation of the drive mechanism. In some cases, the control unit may include a controller for controlling operation of the drive mechanism based on sensed positions of the drive mechanism. The controller may be configured to send data to a host for analysis, compensate a control signal based on a mode of operation of the drive mechanism, determine if a stall is predicted to occur, and/or perform one or more other functions.

Abstract: Medical systems and methods for making and using medical systems are disclosed. Example medical systems may include an atherectomy system configured to engage and remove plaque from walls in vessels of a vascular system. The atherectomy system may include a drive shaft, a rotational tip coupled to an end of the drive shaft, a drive mechanism coupled to the drive shaft to rotate the rotational tip, a control unit configured to control operation of the drive mechanism, and a knob assembly configured to facilitate longitudinal movement of the drive shaft, the rotational tip, and/or the drive mechanism. In some cases, the knob assembly may be configured to initiate adjustment of a mode of the drive mechanism in response to actuation of an actuator in the knob assembly.

Abstract: A cannula for use in a terminable intraosseous device comprises a cannula body, and a penetrator-independent proximal bone penetration indicator (PBPI) associated with the body for positively indicating initial penetration into the proximal bone. In various embodiments, the PBPI comprises a roughened surface provided at a distal end of the cannula body to assist in increasing an amplitude of vibrations that are generated immediately upon contact with a proximal bone cortex during performance of an intraosseous injection, a resilient element fixed at one end which becomes plastically deformed, a visually indicative element which is exposed when the distance between the cannula body and penetrator is changed, or a frictionally engageable element. In some embodiments, a stopper prevents additional penetration into the proximal bone, and a reinforcing member inserted within a cannula body lumen reinforces a thin-walled portion of the cannula body.

Abstract: A device includes a first arm having a first rotating member including a first gear coupled thereto and a first rotation imparting member fixed thereto, a second arm pivotally coupled to the first arm at proximal ends of the first arm and the second arm, the second arm having a second rotating member including a second gear coupled thereto and a second rotation imparting member fixed thereto, wherein when the first arm and the second arm are brought towards each other, the first rotation imparting member engages with the second gear to cause the second rotating member to rotate in a first direction, and the second rotation imparting member engages with the first gear to cause the first rotating member to rotate in a second direction, opposite the first direction.

Abstract: A system includes a first pedicle screw, a second pedicle screw, and an adjustable rod having an outer housing coupled to one of the first pedicle screw and the second pedicle screw, the outer housing having a threaded shaft secured to one end thereof extending along an interior portion thereof. The system further includes a hollow magnetic assembly disposed within the outer housing and having a magnetic element disposed therein, the hollow magnetic assembly having an internal threaded surface engaged with the threaded shaft, the magnetic assembly being coupled to the other of the first pedicle screw and the second pedicle screw, wherein the hollow magnetic assembly rotates in response to an externally applied magnetic field to thereby lengthen or shorten the distance between the first pedicle screw and the second pedicle screw.

Abstract: A bone plate system is provided that includes bone plates and bone anchor assemblies for being inserted into bone plate bores to secure the bone plates to one or more bones. In one aspect, the bone plate system includes a bone anchor assembly having a locking cap and a locking fastener connected to a head portion of a bone anchor. The bone anchor assembly is driven into a bone plate bore before the locking fastener is shifted to expand the locking cap and fix the bone anchor assembly within the bore. In another aspect, the bone plate system includes a bone anchor assembly having a locking cap that deflects radially inward due to contact with the bone plate at large bone anchor assembly insertion angles. In addition, a bone anchor assembly having a preassembled condition with a locking cap resisting back out of a locking fastener.

Abstract: An implantable spacer for placement between adjacent spinous processes in a spinal motion segment is provided. The spacer includes a body defining a longitudinal passageway. A first arm and a second arm are connected to the body. Each arm has a pair of extensions and a saddle defining a U-shaped configuration for seating a spinous process therein. An actuator assembly is disposed inside the longitudinal passageway and connected to the body. When advanced, the actuator assembly contacts ramming surfaces of the arms to rotate them from an undeployed configuration to a deployed configuration. In the deployed configuration, the distracted adjacent spinous processes are seated in the U-shaped portion of the arms providing sufficient distraction to open the neural foramen. An insertion instrument is provided for implanting the interspinous process spacer. The system is configured for implantation through a small percutaneous incision employing minimally invasive techniques.

Abstract: A ratcheted spinal device including a variable-length member including a ratchet mechanism that has an operative configuration that allows a change in length of the variable-length member in one direction and prevents a change in length of the variable-length member in an opposite direction, wherein the variable-length member includes polyaxial-joint attachment members for attachment to bone, which permit pivoting movement of the attachment members about more than one pivoting axis.

Abstract: A two-part implant insertable in two bone segments that are intended to be fused together, wherein the implant provides built-in axial compressive forces that aid in maintaining the two bone segments in compression against each other so as to facilitate fusion.