Embodiments of a surgical laser systems may include a laser source configured to generate a laser energy; a laser fiber optically coupled to the laser source to discharge laser energy; a photodetector configured to generate an output signal indicative of an intensity level of electromagnetic energy feedback produced in response to the discharge of the laser energy; and a controller configured to control the laser source based on the output signal. Embodiments of a method of controlling a surgical laser system also are disclosed, wherein laser energy is generated using a laser source and discharged through a laser fiber. Electromagnetic energy feedback produced in response to discharging the laser energy is delivered to a photodetector. An output signal from the photodetector is analyzed using a controller. The laser source is controlled in response to analyzing an output signal using the controller.

An electronic system for a surgical instrument is disclosed. The electronic system comprises a main power supply circuit configured to supply electrical power to a primary circuit. A supplementary power supply circuit configured to supply electrical power to a secondary circuit. A short circuit protection circuit coupled between the main power supply circuit and the supplementary power supply circuit. The supplementary power supply circuit is configured to isolate itself from the main power supply circuit when the supplementary power supply circuit detects a short circuit condition at the secondary circuit. The supplementary power supply circuit is configured to rejoin the main power supply circuit and supply power to the secondary circuit, when the short circuit condition is remedied.

An electronic system for a surgical instrument is disclosed. The electronic system comprises a main power supply circuit configured to supply electrical power to a primary circuit. A supplementary power supply circuit configured to supply electrical power to a secondary circuit. A short circuit protection circuit coupled between the main power supply circuit and the supplementary power supply circuit. The supplementary power supply circuit is configured to isolate itself from the main power supply circuit when the supplementary power supply circuit detects a short circuit condition at the secondary circuit. The supplementary power supply circuit is configured to rejoin the main power supply circuit and supply power to the secondary circuit, when the short circuit condition is remedied.

A staple cartridge for use with a surgical stapler and surgical stapling systems are disclosed. The staple cartridge comprises a cartridge body having a tissue-contacting surface. One or more light emitting diodes (LEDs) are positioned at the edges of the tissue-contacting surface. A plurality of staple drivers is located within the cartridge body each supporting a staple.

Aspects of the present disclosure are presented for a surgical instrument having one or more sensors at or a near an end effector and configured to aide in the detection of tissues and other materials and structures at a surgical site. The detections may then be used to aide in the placement of the end effector and to confirm which objects to operate on, or alternatively, to avoid. Examples of sensors include laser sensors used to employ Doppler shift principles to detect movement of objects at the surgical site, such as blood cells; resistance sensors to detect the presence of metal; monochromatic light sources that allow for different levels of absorption from different types of substances present at the surgical site, and near infrared spectrometers with small form factors.

Surgical instruments are disclosed that are couplable to or have an end effector or a disposable loading unit with an end effector, and at least one micro-electromechanical system (MEMS) device operatively connected to the surgical instrument for at least one of sensing a condition, measuring a parameter and controlling the condition and/or parameter.

A surgical instrument. The surgical instrument includes an elongated channel, an anvil pivotably connected to the elongated channel, a closure member mechanically coupled to the anvil, an electric motor mechanically coupled to the closure member, a motor controller electrically coupled to the electric motor and a control circuit electrically connected to the motor controller. The control circuit is configured to monitor a first predefined event, monitor a second predefined event, provide a stop signal to the motor controller to stop a closing motion of at least one of the elongated channel and the anvil after an occurrence of the first predefined event, and provide a start signal to the motor controller to start the closing motion of the at least one of the elongated channel and the anvil after an occurrence of a second predefined event.

Provided is a region division method for laser treatment, and a laser treatment method and apparatus using the same. The region division method for laser treatment according to the present invention divides an area of an object to be treated by laser irradiation into a plurality of treatment regions and includes constructing a three-dimensional image of the object; using the three-dimensional image to obtain a normal vector for each of a plurality of points located on a surface of the object; dividing the points on the surface of the object into one or more groups based on a similarity between the obtained normal vectors; and generating a closed curve including at least some of points grouped into the same group to set a treatment region.

Embodiments of an apparatus and method for sealing and cutting of tissue during surgeries, especially in general, endoscopic, laparoscopic and robotic, are described. In one aspect, an apparatus comprises a laser system and a laser beam delivery unit. The laser unit is configured to emit a laser beam suitable for tissue sealing and cutting. The laser beam delivery unit is detachably coupled to the laser unit, and is configured to guide and direct the laser beam to seal and cut tissue. Use of optical fiber guided sensors described herein further enhances the safety and efficacy of the apparatus.

The invention provides a non-invasive device comprising an optical system having a laser light source for generating a light beam, being configured such that, in use, the light beam exits the device and impinges on an outer surface of the skin to be treated; the optical system being configured to focus, in use, the light beam at a position of a treatment location inside the skin, whereby Laser Induced Optical Breakdown is induced at the position of the treatment location; an opening disposed such that, in use, light returning from the skin enters the device as a measurement light beam; and a first and second intensity detection channel configured and arranged to detect the intensity in, respectively, a first and a second bandwidth range of the measurement light beam, wherein the first and the second bandwidth ranges both comprise a wavelength of light produced in the skin as a result of Laser Induced Optical Breakdown, and the first bandwidth range comprises the Second Harmonic Generation wavelength of the laser light source, the second bandwidth range is adjacent to the first bandwidth range, and the second bandwidth range excludes the Second Harmonic Generation wavelength of the laser light source. The invention also provides a corresponding method to treat skin (30), in particular to reduce wrinkles. For the efficacy of such a treatment, two main parameters are crucial: the intensity at the position of the treatment location and the focus depth, and it is also crucial that these parameters can be measured using the same measurement system.