Cilag International Gmbh

Matthew D Cowperthwait

Shane R Adams

Frederick E Shelton, IV

Nicholas J Ross

Kevin Michael Fiebig

Taylor W Aronhalt

Cory G Kimball

Curtis A Maples

Monica L Z Rivard

Leonardo N Rossoni

Eric B Lafay

Risto Kojcev

Felix J Bork

Logan R Rose

Joseph D Paulowski

Jason L Harris

David C Yates

Gregory J Bakos

Adam David Hensel

Zhifan F Huang

Christopher A Denzinger

Christopher Q Seow

Ellen E Burkart

Bradley A Arnold

Jacqueline C Aronhalt

Laura S Downing

Daniel V Boguszewski

Sean M Starrett

Matjaz Jogan

Shaun B Schaeffer

Marc A Molnar

Jose Luis De Cordoba Matilla

A surgical instrument system comprising a drive train and a control circuit is disclosed. The drive train comprises a motor and a shaft actuatable by the motor to actuate a function of an end effector. The control circuit is coupled to the motor, wherein the control circuit is configured to determine a relative excess capacity of the drive train, compare the relative excess capacity to a predetermined shifting threshold, and increase the speed of the motor based on the relative excess capacity exceeding the predetermined shifting threshold.

Surgical system with motor relative capacity interrogations

The present disclosure provides a circular stapler. The circular stapler includes a stapling head assembly. A trocar is positioned at least partially within the stapling head assembly. An anvil is detachably attachable to the trocar. A knob rotatable to cause translation of the trocar to adjust a position of the anvil with respect to the stapling head assembly. One or more sensors are configured to generate data associated with a trocar position or an anvil state. A communication element is configured to provide the generated data to a hub, wherein the hub is configured to provide an indicator associated with the trocar position or the anvil state based on the generated data.

Surgical stapler for sensing and communicating trocar position and anvil state

A method of distributing data among members of a surgical team may include receiving imaging data, by a modular control tower, from a plurality of imaging devices, receiving device-dependent data, by the modular control tower, from each of a plurality of intelligent surgical instruments, associating, by the modular control tower, a display device with a member of the surgical team, defining, by the modular control tower, a functional role for the member of the surgical team, and displaying, by the modular control tower, a augmented reality display by the display device. The augmented reality display on the display device may include virtual objects based on the imaging data, the device-dependent data, the functional role of the member of the surgical team, and a surgical activity by the member of the surgical team. An interactive surgical system may implement this method.

Customization of overlaid data and configuration

The present disclosure provides a circular stapler. The circular stapler includes a stapling head assembly, an anvil detachably attachable to the stapling head assembly, and a handle assembly. The handle assembly includes a handle controller, a connector, and handle transceiver configured to wirelessly transmit a first signal to an external hub. The handle transceiver is separated from the handle controller and is in electrical communication with the handle controller via the connector.

Wireless arrays for surgical staplers

A surgical instrument is disclosed including an end effector configurable between an open state and a clamped state, a firing member movable from an unfired position toward a fired position during a firing stroke, a manually-driveable closure system, a motor-powered firing system, and a control system. The motor-powered firing system is configured to drive the firing member through the firing stroke. The control system is configured to detect, at a first time point, the end effector reaching the clamped state with the manually-driveable closure system, detect, at a second time point, the actuation of the motor-powered firing system, set a firing motion parameter of the motor-powered firing system based on an elapsed time from the first time point to the second time point, and drive the firing member through the firing stroke with the motor-powered firing system using the firing motion parameter.

Adaptive firing control algorithm based on mechanical actuation of user controls

An augmented reality display system and method for use during a surgical procedure are disclosed. An imaging device captures a real image of a surgical area during the surgical procedure generates a first data feed. A sensor device generates a second data feed. An augmented reality device including an augmented reality display generates an augmented overlay based on the first and second data feeds. The augmented overlay includes a visual portion and a non-visual visual portion. A processor receives the first and second data feeds and combines the first and second data feeds to generate the augmented overlay.

Mixed reality feedback systems that cooperate to increase efficient perception of complex data feeds

A surgical instrument system comprising a motor system and a control circuit is disclosed. The motor system comprises a motor and a drive train movable by the motor to actuate a firing member through a staple firing stroke. The control circuit is coupled to the motor, wherein, during the staple firing stroke, the control circuit is configured to perform a first sensory action to determine if a speed of the motor can be increased to a first target speed, monitor a result of the first sensory action, adjust a parameter of a subsequent sensory action based on the monitored result of the first sensory action, and perform the subsequent sensory action with the adjusted parameter.

Surgical algorithms with incremental sensory actions

Apparatuses, systems, and methods for displaying a cooperative overlays based on interacting instruments are disclosed herein. In one aspect, a method for displaying cooperative overlays includes communicatively coupling a first augmented reality display device to a surgical hub; generating, by the first augmented reality display device, a first intraoperative display of a surgical field; displaying, by the first intraoperative display, a first data overlay based on operation of a first surgical instrument; interacting the first surgical instrument with a second surgical instrument; and displaying, by the first intraoperative display, an indicator of the interaction based on the interaction between the first and second surgical instruments.

Cooperative overlays of interacting instruments which result in both overlays being effected

The present disclosure provides a stapling apparatus. The apparatus includes a trocar, a stapling head assembly, and an anvil. The stapling head assembly includes one or more lights positioned on a surface of a tubular casing of the stapling head assembly, the lights extending parallel to a longitudinal axis of the stapling head assembly. The row of lights provide an illumination system to provide indicators of device orientation or location.

Illumination systems for surgical staplers

A powered surgical instrument disclosed. The instrument includes a first circuit portion operable at a first voltage level, a second circuit portion operable at a second voltage level, a voltage source to supply the first voltage level to supply power to electrical components in the first circuit portion; a transistor comprising a control terminal, a first conduction terminal, and a second conduction terminal, and a control circuit coupled to the control terminal of the transistor. The second voltage level is different from the first voltage level. The first conduction terminal is coupled to the voltage source. The control circuit is to set the transistor in a linear mode and control the transistor to set a current for operating the motor.

Motor optimization by minimization of parasitic losses and tuning motor drive configuration

A surgical stapling system includes a motor, a gear reducer assembly, a drive train, and a motor controller. A method of controlling the motor includes applying a first signal to the motor, receiving drive train operational data, comparing the drive train data to baseline data, and applying a signal having a different shape than the first signal to the motor. A method of characterizing the motor includes transmitting a perturbation signal, receiving motor function parameters, determining stapler system characteristics, and adjusting a controller function. A method of controlling a stepper motor includes applying a signal to the stepper motor, receiving stepper motor operational data, comparing the data to baseline data, and adjusting the signal. Another method of controlling the motor includes receiving motor rotational data, receiving gear rotation data, calculating a mechanical transfer function, determining non-idealities of the stapling system, and modifying a control signal based on the non-idealities.

Adjustment of the motor control program based on detection of individual device drive train properties

Disclosed is a method of detecting a short circuit in the jaws of an end effector of a surgical instrument. The method includes applying a sub-therapeutic electrical signal to an electrode located in the jaws of the end effector. The sub-therapeutic electrical signal comprises a sequence of exploratory waveforms comprising pulsed current and voltage waveforms. The method includes detecting a shorted electrode when a measured electrical parameter in the jaws of the end effector is less than a predetermined value and modifying electrical current applied to the shorted electrode by the RF generator.

Electrosurgical techniques for sealing, short circuit detection, and system determination of power level

A surgical stapler including a body assembly; a shaft assembly that extends distally from the body assembly; a stapling head assembly disposed at a distal end of the shaft assembly, wherein the stapling head assembly is operable to drive a plurality of staples into tissue, wherein the stapling head assembly comprises a closure shaft that is selectively movable longitudinally; and an anvil configured to form the staples, wherein the anvil is selectively coupleable with and actuatable by the closure shaft, wherein the anvil includes one or more sensors each configured to detect a parameter associated with at least one of closure or firing of the end effector; a processor configured to receive signals from the one or more sensors, wherein the signals are indicative of the parameter detected by the one or more sensors; a transmitter configured to transmit the signals; and a battery configured to power the processor.

Independently powered anvil for circular surgical stapler

A surgical instrument includes a body, a shaft, a motor, a firing assembly, an end effector, and a control circuit. The motor is activatable to actuate the firing assembly through a firing stroke to staple and sever tissue with the end effector. The control circuit is configured to monitor one or more use metrics of the surgical instrument. Responsive to at least one of the one or more use metrics exceeding a predetermined threshold, the control circuit is further configured to initiate at least one of providing a notification to a user or disabling the firing assembly.

Firing limit feature for powered surgical stapler

An apparatus includes a shaft assembly, an end effector, and a drive member visualization assembly. The end effector includes a first jaw, a second jaw, a staple cartridge, and a drive member capable of actuating along a firing stroke to fire a plurality of staples out of the staple cartridge or to sever tissue. The drive member visualization assembly provides an electronic indication linked to a physical location of the drive member within the upper jaw and the lower jaw during the firing stroke.

Growing community of inventors

Cincinnati, OH, United States of America

Matthew D Cowperthwait