Systems and methods for performing laser operations to improve the accommodative amplitude of an eye. Systems methods and laser delivery patterns and operation for structural pillars in the lens of the eye to permit deformation of laser effected areas of the lens that are adjacent to the pillars.

A surgical system including a surgical instrument, a surgical visualization system, a display, and a feedback controller are presented. The feedback controller is in signal communication with the surgical instrument and the surgical visualization system. The feedback controller is configured to display, on the display, during an operation, live images derived from the surgical visualization system in a first layer and a status of the surgical instrument in a second layer. The status is configured to locate itself in said second layer in relation to a depiction of a feature of the surgical instrument and/or a feature of tissue in the first layer. The surgical instrument can include a surgical stapler, a knife, a robotic surgical instrument, combination thereof, or variation thereof.

A medical device may include an elongated body having a distal elongated body portion and a central longitudinal axis. The medical device may include a balloon positioned along the distal elongated body portion. The balloon may be configured to receive a fluid to inflate the balloon such that an exterior balloon surface contacts a calcified lesion within a patient's vasculature. The medical device may include one or more pressure wave emitters positioned along the central longitudinal axis of the elongated body. The one or more pressure wave emitters may be configured to propagate at least one pressure wave through the fluid to fragment the calcified lesion. At least one pressure wave emitter may include an optical fiber configured to transmit laser energy into the balloon. The laser energy may be configured to create a cavitation bubble in the fluid.

The present disclosure is directed to devices for, and method of, priming the tumor microenvironment with pressure pulses to enhance the efficacy of anticancer therapeutic agents, in a subject in need thereof. Further, increased response of solid tumors locally exposed to stress waves to systemically administered therapeutic agents, is disclosed. The pressure-pulse tumor-priming device comprises: a pulsed laser system (1), a light guide (2) to direct laser pulses to one or more light-to-pressure transducers (3), the one or more light-to-pressure transducers absorbing laser pulses from the pulsed laser system and generating pressure pulses, a tumor-positioning support structure (4) configured to couple one or more light-to-pressure transducers with a solid tumor (5), and a control system (6) to limit the exposure of the solid tumor to the pressure pulses. Anticancer therapeutic agents may be administered before, after or during the priming of solid tumors with pressure pulses.

A surgical instrument comprising a firing member driven by an electric motor is disclosed. The surgical instrument comprises a control system configured to evaluate the duty cycle of the electric motor and adjust the speed of the firing member based on the detected duty cycle of the electric motor.

A photo-thermal targeted treatment system for damaging a target embedded in a medium includes a controller and a photo-thermal treatment unit including a light source. The controller is configured for administering a treatment protocol using the light source at a preset power setting and a preset pulse timing setting. Also, a method for automatically initiating a treatment protocol using a photo-thermal targeted treatment system includes administering a cooling mechanism at a treatment location, monitoring a skin surface temperature at the treatment location and, when the skin surface temperature reaches a preset threshold, automatically initiating the photo-thermal treatment protocol. Further, a method for automatically terminating a treatment protocol using includes, during administration of the treatment protocol at a treatment area, monitoring a skin surface temperature at the treatment location, and when the skin surface temperature reaches a preset threshold, automatically terminating the treatment protocol.

Method for controlling an eye surgical laser of a treatment device for the separation of a volume body with a predefined posterior interface and a predefined anterior interface from a human or animal cornea. The method includes controlling the laser by means of a control device of the treatment device such that it emits pulsed laser pulses in a shot sequence in a predefined pattern into the cornea. The interfaces of the volume body are defined by the predefined pattern and are generated by means of an interaction of the individual laser pulses with the cornea by the generation of a plurality of cavitation bubbles by photodisruption along at least one cavitation bubble path. At least a partial area of an outer cavitation bubble path of the volume body is generated with a higher cavitation bubble density than an inner cavitation bubble path.

A photo-thermal targeted treatment system for damaging a target embedded in a medium includes a controller and a photo-thermal treatment unit including a light source. The controller is configured for administering a treatment protocol using the light source at a preset power setting and a preset pulse timing setting. Also, a method for automatically initiating a treatment protocol using a photo-thermal targeted treatment system includes administering a cooling mechanism at a treatment location, monitoring a skin surface temperature at the treatment location and, when the skin surface temperature reaches a preset threshold, automatically initiating the photo-thermal treatment protocol. Further, a method for automatically terminating a treatment protocol using includes, during administration of the treatment protocol at a treatment area, monitoring a skin surface temperature at the treatment location, and when the skin surface temperature reaches a preset threshold, automatically terminating the treatment protocol.

A surgical instrument system comprising a motor system and a control circuit is disclosed. The motor system comprises a motor and a drive train coupleable to the motor and configured 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 monitor current draw of the motor and initiate an oscillating impact signal sequence to the motor based on the monitored current draw of the motor. The oscillating impact signal comprises a pulse amplitude selected based on the monitored current draw and a pulse width based on the monitored current draw.

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.