Abstract: A method of displaying an operational parameter of a surgical system is disclosed. The method includes receiving, by a cloud computing system of the surgical system, first usage data, from a first subset of surgical hubs of the surgical system; receiving, by the cloud computing system, second usage data, from a second subset of surgical hubs of the surgical system; analyzing, by the cloud computing system, the first and the second usage data to correlate the first and the second usage data with surgical outcome data; determining, by the cloud computing system, based on the correlation, a recommended medical resource usage configuration; and displaying, on respective displays on the first and the second subset of surgical hubs, indications of the recommended medical resource usage configuration.

Abstract: Disclosed is a method including establishing a first communication link between a surgical visualization system outside a sterile field in an operating room and a primary display inside the sterile field, transmitting an image frame from the surgical visualization system to the primary display, establishing a second communication link between a surgical robotic hub in the operating room and the primary display, and transmitting another image frame from the surgical robotic hub to the primary display.

Abstract: A surgical hub is configured to authenticate data communications with surgical devices. The surgical hub comprises a processor and a memory storing instructions executable by the processor to: transmit a public key to a detected surgical device; receive a message from the surgical device encrypted using the public key associated with the surgical hub, the encrypted message comprising a shared secret associated with the surgical device and a checksum function associated with the shared secret, wherein the shared secret comprises an identifier assigned to the surgical device; decrypt the encrypted message, using a private key associated with the public key, to reveal the shared secret and the checksum function; receive data communications from the surgical device encrypted using the shared secret, and comprising a checksum value, derived via the checksum function, based on the data communications; and decrypt the data communications using the shared secret.

Abstract: Disclosed is a method including detecting a modular surgical device within bounds of a surgical operating room; connecting the modular surgical device to a surgical hub; connecting the surgical hub to a cloud-based system; transmitting surgical data associated with a surgical procedure being performed in the surgical operating room from the modular surgical device to the surgical hub; and transmitting the surgical data from the surgical hub to the cloud-based system.

Abstract: A surgical hub is for use with a surgical instrument configured to deliver therapeutic energy to tissue at a surgical site of a surgical procedure. The surgical hub comprises: a hub enclosure, comprising a docking station including a docking port comprising data and power contacts; and a combo generator module removably retainable in the docking station. The combo generator module comprises: an ultrasonic energy generator component; a radio frequency (RF) energy generator component; a smoke evacuation component; and a connection port. At least one of the ultrasonic energy generator component and the radio frequency (RF) generator component are couplable to the surgical instrument through the connection port. The combo generator module further comprises at least one smoke evacuation component, configured to evacuate smoke generated by an application of therapeutic energy to the tissue by the surgical instrument.

Abstract: A surgical hub is configured to transmit generator data associated with a surgical procedure from a generator of the surgical hub to a cloud-based system. The surgical hub comprises a processor and a memory storing instructions executable by the processor to: receive generator data; encrypt the generator data; generate a message authentication code based on the generator data; generate a datagram comprising: the encrypted generator data, the generated message authentication code, a source identifier and a destination identifier; and transmit the datagram to the cloud-based system. The datagram allows for the cloud-based system to: decrypt the encrypted generator data; verify the integrity of the generator data based on the message authentication code; authenticate the surgical hub as the source of the datagram; and validate a transmission path followed by the datagram between the surgical hub and the cloud based system.

Abstract: Various embodiments are directed to a method of driving an end effector coupled to an ultrasonic drive system of a surgical instrument. The method comprises generating at least one electrical signal. The at least one electrical signal is monitored against a first set of logic conditions. A first response is triggered when the first set of logic conditions is met. A parameter is determined from the at least one electrical signal.

Abstract: A cleaning system includes a first container. The first container includes an interior surface and an opening. The interior surface and the opening define a volume. The opening extends along a plane. The interior surface defines at least a portion of a curved surface. The curved surface defines a first focus point. The first focus point is positioned below the plane such that the first focus point is coincident with a portion of the curved surface. The cleaning system further includes a support member and a surgical instrument. The surgical instrument is configured to deliver ultrasonic energy upon activation of the instrument. The surgical instrument comprises an end effector having a distal tip. The support member is configured to support the surgical instrument such that the distal tip is positioned substantially at the first focus point.

Abstract: A method for controlling a waveform shape of a motional branch current in an ultrasonic transducer of a surgical device. The method may comprise generating a transducer drive signal by selectively recalling, using a direct digital synthesis (DDS) algorithm, drive signal waveform samples stored in a look-up table (LUT), generating samples of current and voltage of the transducer drive signal when the transducer drive signal is communicated to the surgical device, determining samples of the motional branch current based on the current and voltage samples, a static capacitance of the ultrasonic transducer and a frequency of the transducer drive signal, comparing each sample of the motional branch current to a respective target sample of a target waveform to determine an error amplitude, and modifying the drive signal waveform samples stored in the LUT such that an amplitude error between subsequent samples of the motional branch current and respective target samples is reduced.

Abstract: A method for determining motional branch current in an ultrasonic transducer of an ultrasonic surgical device over multiple frequencies of a transducer drive signal. The method may comprise, at each of a plurality of frequencies of the transducer drive signal, oversampling a current and voltage of the transducer drive signal, receiving, by a processor, the current and voltage samples, and determining, by the processor, the motional branch current based on the current and voltage samples, a static capacitance of the ultrasonic transducer and the frequency of the transducer drive signal.

Abstract: A surgical generator is disclosed including an ultrasonic generator module to provide at an ultrasonic drive signal for driving an ultrasonic surgical device and an electrosurgical generator module to provice an electrosurgical drive signal for driving an electrosurgical device. At least one of providing the ultrasonic drive signal or providing the electrosurgical drive signal includes recalling a waveform sample from a look-up table (LUT), modifying the waveform sample to generate a modified waveform based on voltage and current feedback information to pre-distort the waveform sample on a dynamic ongoing basis, indexing each stored voltage and current feedback data pair based on a corresponding LUT sample that was output when the voltage and current feedback data pair was acquired, synchronizing the LUT sample and the voltage and current feedback data pair to correct timing and stability of the pre-distorted waveform sample, and providing the modified waveform to an output stage.

Abstract: Disclosed is a method of generating electrical signal waveforms by a generator. The generator includes a digital processing circuit, a memory circuit in communication with the digital processing circuit, the memory circuit defining a lookup table, a digital synthesis circuit in communication with the digital processing circuit and the memory circuit, and a digital-to-analog converter (DAC) circuit. The method includes storing, by the digital processing circuit, phase points of a digital electrical signal waveform in the lookup table defined by the memory circuit, wherein the digital electrical signal waveform is represented by a predetermined number of phase points, wherein the predetermined number phase points define a predetermined wave shape. Receiving a clock signal by the digital synthesis circuit. Retrieving, by the digital processing circuit, a phase point from the lookup table. Converting, by the digital processing circuit, the retrieved phase point to an analog signal.

Abstract: Various embodiments are directed to systems and methods for providing a drive signal to a surgical device for treating tissue. A surgical generator may deliver the drive signal according to a first composite load curve. The surgical generator may receive a first tissue measurement indicating a property of the tissue at a first time during the delivery of the drive signal, receive a second tissue measurement indicating the property of the tissue at a second time during the delivery of the drive signal after the first time, and based on the first and second tissue measurements, determine a difference in the property of the tissue between the first time and the second time. When the difference in the property of the tissue exceeds a difference threshold, the generator may deliver the drive signal according to a second composite load curve that is more aggressive than the first composite load curve.

Abstract: A surgical system includes a surgical instrument having a body, an ultrasonic transducer, a shaft extending distally from the body, and an end effector at a distal end of the shaft and being operable to treat tissue with ultrasonic energy. An accessory device is configured to operatively couple the surgical instrument with a generator operable to power the surgical instrument to provide ultrasonic energy. A primary EEPROM is provided within the instrument body and is operable to track usage of the surgical instrument. The system further includes at least one of: an accessory EEPROM integrated into the accessory device and being operable to track usage of the accessory device; a transducer EEPROM integrated into the ultrasonic transducer and being operable to track usage of the ultrasonic transducer; or an ASIC integrated into the accessory device and being operable to communicate with the generator regarding a state of the surgical instrument.

Abstract: An ultrasonic surgical instrument and method of sealing tissue includes interrogating the tissue with an electrical signal and adjusting an electrical parameter of at least one of the ultrasonic energy or the RF energy in response to the tissue feedback to inhibit transecting the tissue. The ultrasonic surgical instrument has an end effector, a shaft assembly, a body, and a power controller. The power controller is operatively connected to the ultrasonic blade and the RF electrode and configured to direct activation of the ultrasonic blade or the RF electrode. The power controller is further configured to interrogate the tissue with the electrical signal via the ultrasonic blade or the RF electrode to provide a tissue feedback and adjust an electrical parameter of the ultrasonic energy or the RF energy in response to the tissue feedback to inhibit transecting the tissue.

Abstract: A surgical instrument includes a shaft, an ultrasonic transducer, a waveguide acoustically coupled with the ultrasonic transducer and extending distally through the shaft, and an end effector arranged at a distal end of the shaft. The end effector includes an ultrasonic blade acoustically coupled with the waveguide, a clamp arm movable relative to the ultrasonic blade for clamping tissue, and an RF electrode operable to seal tissue with RF energy. The ultrasonic transducer is operable to drive the waveguide and the ultrasonic blade with ultrasonic energy. The surgical instrument further includes an ultrasonic electrical circuit operable to energize the ultrasonic transducer, and an RF electrical circuit operable to deliver RF energy to the RF electrode. A return path of the ultrasonic electrical circuit and a return path of the RF electrical circuit pass through a shared electrically conductive element.

Abstract: A surgical system includes a surgical instrument having a body, a shaft extending distally from the body, an ultrasonic transducer supported by the body, and an end effector at a distal end of the shaft. The end effector includes an ultrasonic blade configured to be driven by the ultrasonic transducer with ultrasonic energy, and an RF electrode operable to seal tissue with RF energy. A generator is operatively coupled with the surgical instrument and is operable to generate a combined drive signal having an ultrasonic energy component and an RF energy component. Filter circuitry arranged externally of the body of the surgical instrument is operable to convert the combined drive signal to an ultrasonic drive signal configured to energize the ultrasonic transducer to drive the ultrasonic blade with ultrasonic energy, and an RF drive signal configured to energize the RF electrode with RF energy sufficient to seal tissue.

Abstract: Various embodiments are directed to a method of driving an end effector coupled to an ultrasonic drive system of a surgical instrument. In accordance with the method, a generator is configured to generate at least one time varying electrical signal having a resonant frequency, monitor the resonant frequency of the at least one electrical signal, compare the resonant frequency to a threshold frequency, and trigger a first response of the generator when the resonant frequency crosses the threshold frequency.

Abstract: Various embodiments are directed to a method of driving an end effector coupled to an ultrasonic drive system of a surgical instrument. In accordance with the method, a generator is configured to generate at least one time varying electrical signal having a resonant frequency, monitor the resonant frequency of the at least one electrical signal, calculate a frequency slope between frequency data points of the time varying electrical signal, where the frequency slope is the change in resonant frequency over time, compare the frequency slope to a threshold frequency slope, and trigger a first response of the generator when the frequency slope crosses the threshold frequency slope.

Abstract: A method for determining motional branch current in an ultrasonic transducer of an ultrasonic surgical device over multiple frequencies of a transducer drive signal. The method may comprise, at each of a plurality of frequencies of the transducer drive signal, oversampling a current and voltage of the transducer drive signal, receiving, by a processor, the current and voltage samples, and determining, by the processor, the motional branch current based on the current and voltage samples, a static capacitance of the ultrasonic transducer and the frequency of the transducer drive signal.