Abstract: In an example, an electrosurgical device includes a housing defining an interior bore. The electrosurgical device also includes a shaft telescopically moveable in the interior bore of the housing. The shaft includes an optical waveguide at a distal end of the shaft, and a smoke evacuation channel circumferentially surrounding the optical waveguide at the distal end of the shaft. The electrosurgical device also includes an electrosurgical electrode coupled to the shaft.

Abstract: A thermal protection tubular sleeve includes a knitted inner wall having circumferentially continuous outer and inner surfaces. The circumferentially continuous inner surface bounds a cavity that extends lengthwise along a longitudinal central axis between opposite inner ends of the knitted inner wall. The tubular sleeve further includes a knitted outer wall having circumferentially continuous outer and inner surfaces. The knitted outer wall extends lengthwise about the longitudinal central axis between opposite outer ends and overlies the knitted inner wall. An intermediate yarn extends back and forth between and through knitted loops of the outer wall and knitted loops of the inner wall to connect the knitted outer wall and the knitted inner wall to one another.

Abstract: In an example, an electrosurgical tool includes a housing. an electrosurgical electrode extending from a distal end of the housing, and an electrical cable extending from a proximal end of the housing. The electrical cable includes (I) a plug configured to electrically couple to an electrosurgical generator, (II) a proximal cable including a plurality of first conductors extending from the plug to a battery module, and (III) a distal cable comprising a plurality of second conductors extending from the battery module to the housing. The battery module includes: (a) a casing configured to receive a battery, and (b) a power driver circuit in an internal compartment of the casing. The power driver circuit includes: (i) a first set of contacts electrically coupled to the first conductors, (ii) a second set of contacts electrically coupled to the second conductors, and (iii) a third set of contacts electrically coupled to the battery.

Abstract: A thermal fabric for a battery pack of an electric vehicle has a knit wall including at least one generally planar portion having a plurality of knit layers overlying one another. A coolant conduit is captured between a pair of the knit layers. The thermal fabric is wrappable about the battery pack and/or configured to be disposed between and about adjacent cells of the battery pack to thermally insulate and isolate the cells and protect against thermal runaway and flame propagation both from the battery pack and between adjacent cells.

Abstract: An electrosurgical device includes a handle and a shaft extending from the handle to define a distal end of the electrosurgical device. The electrosurgical device includes one or more electrical elements coupled to the shaft at the distal end of the electrosurgical device. The shaft is configured to bend and position the one or more electrical elements relative to the handle. The shaft includes an outer structure defining a passageway extending from the handle to the one or more electrical elements. The shaft includes one or more conductors extending through the passageway to transmit electrical signals from an electrosurgical generator to the one or more electrical elements. The one or more conductors form a coil configured to bend in response to a force that exceeds a threshold and to determine a bended shape for the shaft.

Abstract: In an example, a monopolar electrosurgical electrode includes an electrosurgical substrate including an electrically conductive material extending in an axial direction from a proximal end to a distal end. The electrosurgical substrate includes an electrosurgical blade. The electrosurgical blade includes (i) a first lateral surface, (ii) a second lateral surface opposite the first lateral surface, (iii) a first major surface extending between the first lateral surface and the second lateral surface on a first side of the electrosurgical blade, and (iv) a second major surface extending between the first lateral surface and the second lateral surface on a second side of the electrosurgical blade that is opposite the first side. The monopolar electrosurgical electrode also includes a first electrode sensor embedded between a plurality of electrical insulation layers on the first major surface of the electrosurgical blade.

Abstract: A flexible thermal insulator having a fabric layer, a flame resistant outer coating bonded to an outer side of the fabric layer, and a pressure-sensitive adhesive layer bonded to an inner side of the fabric layer.

Abstract: A knit sleeve for providing thermal protection about an elongate member contained therein and method of construction thereof is provided. The sleeve includes a circumferentially continuous, tubular knit inner wall bounding a central cavity that extends lengthwise along a longitudinal central axis between open opposite ends. The sleeve further includes a knit outer wall with opposite edges extending lengthwise in generally parallel relation with the longitudinal central axis, with one of the opposite edges of the knit outer wall being integrally knit to the inner wall and the other of the opposite edges of the outer wall being wrappable about the inner wall into fixed relation about the inner wall.

Abstract: In an example, an electrosurgical device includes a housing having a proximal end and a distal end, an electrosurgical electrode extending in a distal direction from the distal end of the housing, a plurality of light sources in the housing, and an optical lens assembly including a plurality of optical components that are (i) coupled to each other at a distal end of the optical lens assembly and (ii) separated from each other at a proximal end of the optical lens assembly. Each optical component includes a proximal reflector surface and a distal transmission surface. Each proximal reflector surface extends distally from a respective light source and has an aspheric shape that is configured to substantially collimate the light reflected by the proximal reflector surface. Each distal transmission surface is configured to output the light from the optical component in the distal direction.

Abstract: In an example, an electrosurgical device includes a housing defining an interior bore, a shaft coupled to the housing, and an electrosurgical electrode coupled to the shaft. The shaft extends distally from the interior bore of the housing. The shaft is rotationally fixed relative to the housing. The shaft includes a smoke evacuation channel extending from a proximal end of the shaft to a distal end of the shaft. A distal portion of the electrosurgical electrode extends distally from the shaft, and wherein the electrosurgical electrode is rotatable relative to the housing and the shaft.

Abstract: A battery cell interface material provides multiple types of protection between adjacent cells of an electric vehicle battery pack is provided. The interface material is an integral wall assembly having the following: a middle wall constructed of one of interlaced multifilament flame-resistant yarn or a non-woven material, the middle wall having opposite sides. A pair of intermediate layers, with each intermediate layer being bonded to a separate one of the opposite sides of the middle wall. A pair of outer layers, with each outer layer being bonded to a separate one of the pair of intermediate layers, such that each intermediate layer is sandwiched between one of the pair of outer layers and the textile middle wall, with each outer layer facing a cell wall of the electric vehicle battery being configured to be bonded directly to the cell wall.

Abstract: In an example, an electrosurgical device includes a housing defining an interior bore. The electrosurgical device also includes a shaft telescopically moveable in the interior bore of the housing. The shaft includes an optical waveguide at a distal end of the shaft, and a smoke evacuation channel circumferentially surrounding the optical waveguide at the distal end of the shaft. The electrosurgical device also includes an electrosurgical electrode coupled to the shaft.

Abstract: An electrosurgical tool for conveying electrical energy comprising an elongated electrode extending in an axial direction from a proximal electrode end to a distal electrode end. The distal electrode end defining a working end configured for cutting or coagulation of tissue by way of electrical energy received by the electrosurgical tool. At least one layer of an insulation material covering an outer surface of the working end so that a portion of the outer surface of the working end is not covered by the insulation material. When electrical energy is provided to the elongated electrode, current is only conducted through an exposed portion of the outer surface of the working end. At least one layer of the insulation material prevents current from straying from the outer surface of the working end covered with the insulation material.

Abstract: An object detection system may include an imager configured to generate image data indicative of an environment in which a machine is present, and a sensor configured to generate sensor data indicative of the environment in which the machine is present. The object detection system may further include an object detection controller including one or more object detection processors configured to receive an image signal indicative of the image data, identify an object associated with the image data, and determine a first location of the object relative to the position of the imager. The one or more object detection processors may also be configured to receive a sensor signal indicative of the sensor data, and determine, based at least in part on the sensor signal, the presence or absence of the object at the first location.

Abstract: An object detection system may include an imager configured to generate image data indicative of an environment in which a machine is present, and a sensor configured to generate sensor data indicative of the environment in which the machine is present. The object detection system may further include an object detection controller including one or more object detection processors configured to receive an image signal indicative of the image data, identify an object associated with the image data, and determine a first location of the object relative to the position of the imager. The one or more object detection processors may also be configured to receive a sensor signal indicative of the sensor data, and determine, based at least in part on the sensor signal, the presence or absence of the object at the first location.

Abstract: A controller may process a plurality of video frames to determine an apparent motion of each pixel of one or more pixels or each group of pixels of one or more groups of pixels of each video frame of the plurality of video frames. The controller may select one or more processed video frames, of the plurality of processed video frames, that correspond to a duration of time and may generate a composite video frame based on the one or more processed video frames. The controller may generate a video frame mask based on the composite video frame and may obtain additional video data that includes at least one additional video frame. The controller may cause the video frame mask to be applied to the at least one additional video frame and may cause the at least one additional video frame to be processed using an object detection technique.

Abstract: A controller may process a plurality of video frames to determine an apparent motion of each pixel of one or more pixels or each group of pixels of one or more groups of pixels of each video frame of the plurality of video frames. The controller may select one or more processed video frames, of the plurality of processed video frames, that correspond to a duration of time and may generate a composite video frame based on the one or more processed video frames. The controller may generate a video frame mask based on the composite video frame and may obtain additional video data that includes at least one additional video frame. The controller may cause the video frame mask to be applied to the at least one additional video frame and may cause the at least one additional video frame to be processed using an object detection technique.

Abstract: A device is described comprising a microcontroller coupled to a transformer, wherein the transformer comprises a primary winding and a secondary winding, wherein the microcontroller is connected to a secondary circuit at a first location. The microcontroller is configured to provide a voltage at a first value to the primary winding for a period of time, wherein ceasing the delivery of the voltage induces a flow of current through the secondary winding and the secondary circuit, wherein the secondary circuit comprises at least one resistor and a resistive load, wherein the resistive load is variable. The microcontroller is configured to measure and/or compute voltage, time constant and peak current values with respect to the secondary circuit. The microcontroller is configured to monitor the intensity level at the resistive load using peak current and time constant values.

Abstract: A method described herein includes describing a load current with a discrete time function. The method includes using a first frequency and a second frequency to provide an approximation of the described load current, wherein a transform applied to the discrete time function identifies the first frequency and the second frequency. The method includes estimating a loop inductance and a loop resistance of a wire loop by exciting a transmit circuit with a voltage reference step waveform, wherein the transmit circuit includes the wire loop. The method includes scaling the approximated load current to a level sufficient to generate a minimum receive voltage signal in a receiver at a first distance between the wire loop and the receiver. The method includes generating a first voltage signal using the scaled load current, estimated loop inductance, and estimated loop resistance. The method includes exciting the transmit circuit with the first voltage signal.

Abstract: A method described herein includes describing a load current with a discrete time function. The method includes using a first frequency and a second frequency to provide an approximation of the described load current, wherein a transform applied to the discrete time function identifies the first frequency and the second frequency. The method includes estimating a loop inductance and a loop resistance of a wire loop by exciting a transmit circuit with a voltage reference step waveform, wherein the transmit circuit includes the wire loop. The method includes scaling the approximated load current to a level sufficient to generate a minimum receive voltage signal in a receiver at a first distance between the wire loop and the receiver. The method includes generating a first voltage signal using the scaled load current, estimated loop inductance, and estimated loop resistance. The method includes exciting the transmit circuit with the first voltage signal.