Abstract: An on-spot abnormal tissue detection system includes a light source, a housing, a light fiber, a collimating lens, one or more beam combining mirrors, one or more focusing optic lenses, one or more achromatic doublet lenses, a spectrometer, a fiber optic cable, and a computing system. The computing system can receive wavelength intensity pairs for spot locations of the target area from the spectrometer, determine a standard deviation and variance measurement of the wavelength intensity pairs for the spot locations, determine whether tissue for the spot locations of the target area is a tissue type of a tumor or normal tissue based on the standard deviation and variance measurement of the wavelength intensity pairs, and send the determination of whether the tissue for the spot locations of the target area is a tissue type of a tumor or normal tissue to a display.

Abstract: An augmented reality apparatus includes a plurality of transmission lines, plural signal-generating circuits, at least one additional transmission line, at least one signal-processing circuit, a multiplexer having a plurality of inputs and at least one output, a plurality of matching networks, and an additional matching network coupling the additional transmission line to the output of the multiplexer. Example AR/VR devices include a camera configured to receive light from the external environment of the device and to provide a camera signal. The camera may include a surface variable lens including a support layer, an optical layer, a membrane layer, and an actuator. A computer-implemented method for anatomical electromyography test design includes identifying a wearable device having a frame including a plurality of electrodes, and calibrating the plurality of electrodes.

Abstract: An interposer equipped with a heat spreader and a multi-board system for an electronic device that includes an interposer equipped with a heat spreader between at least two boards. In examples, the interposer may include a heat spreader having an active portion and, optionally, a passive portion. In examples, the active portion may include a vapor chamber, heat pipe, or isothermal plate. In examples, the passive portion may thermally couple the active portion to a heat dissipation device such as a heat sink and/or an outer frame of the electronic device.

Abstract: The present disclosure enables improved laser treatments by enabling better estimation of laser-tissue interaction to better inform the planning of a treatment path for a laser signal through a treatment region. An embodiment in accordance with the present disclosure uses a laser signal to generate a feature in the treatment region, generates a surface profile of the treatment region that includes the feature, compares that surface profile to another surface profile of the treatment region taken before the generation of the feature, and infers at least one property for at least one tissue type in the treatment region based on the comparison. In some embodiments, the feature is generated such that it includes a plurality of tissue types previously identified in the treatment region, thereby enabling inference one or more properties for each tissue type and/or locating one or more boundaries between tissue types.

Abstract: A system is provided for maintaining a safe operating area while also providing a suitable forward bias voltage to drive a laser diode. The system can monitor a voltage that is applied to a laser diode driver using a threshold that is based on the fabrication process of the laser diode driver. For example, a system can utilize a first threshold for a laser diode driver that is fabricated utilizing a 10 nm process and utilize a second threshold for another laser diode driver that is fabricated utilizing a 20 nm process. The threshold can also be based on a color of the laser or a desired operation mode. The system can monitor a voltage applied to a laser diode using different thresholds while controlling a bleed current to ensure that the laser diode is forward biased while mitigating the risk of silicon breakdown of the laser diode driver.

Abstract: A multi-board system for an electronic device that includes an heat spreader between at least two boards. In examples, the multi-board system may include a stack-PCB architecture on one side of the heat spreader and one or more boards on an opposite side of the heat spreader from the stack-PCB. The heat spreader may comprise a vapor chamber and/or include a graphite layer or core to transfer heat along a length of the heat spreader.

Abstract: A method for performing autonomous peripheral vascular localization, including: providing a robotic system including a camera and an ultrasound probe each connected to a robotic arm; moving the robotic arm such that the camera is positioned above and/or adjacent a target surface of a body part; capturing a three-dimensional (3D) image of the target surface using the camera; generating a scanning trajectory on the target surface using the 3D image; and scanning the ultrasound probe along the scanning trajectory by moving the robotic arm to autonomously localize a target vessel in the body part.

Abstract: A laser treatment system includes a sensor configured to detect a targeted therapy region. A processing unit is configured to generate a treatment path that consists of sequentially arranged laser spots to enable the treatment path to fully encompass a targeted therapy region to receive laser therapy. A steering device is alerted to move to a plurality of positions based on the treatment plan generated by the processing unit. A treatment laser provides laser therapy to the plurality of positions and targeted therapy region based on the treatment plan generated by the processing unit.

Abstract: The present disclosure describes a method comprising ablating a substrate with a laser at an orientation to create a cavity in the substrate, scanning the cavity, and creating a three-dimensional surface for the cavity. The method further includes storing the three-dimensional surface in a dataset. The dataset includes a laser projected distance as an independent variable and a depth of cut as a dependent variable. The method further includes fitting parameters of a gaussian-based model for the laser and the substrate based on the dataset. The present disclosure also describes a method providing a pre-ablation surface, labeling a three-dimensional obstacle boundary that separates material to be remove by a laser and material to remain, and determining an orientation of the laser that results in a predicted post-ablation surface that does not intersect the three-dimension obstacle boundary.

Abstract: Disclosed are systems and techniques for providing laser treatment. For example, a vasculature structure associated with a tissue region can be determined. Based on the vasculature structure, one or more laser parameters for configuring a laser to deliver laser energy to at least one blood vessel within the tissue region can be determined. Laser energy can be delivered to the at least one blood vessel to halt blood flow to a targeted area within the tissue region.

Abstract: An automated laser-surgery system for performing a closed-loop surgical procedure is disclosed. The procedure includes forming a post-procedural goal based on a three-dimensional (3D) image of a surgical site, planning a path for a surgical laser signal based on the post-procedural goal, performing a procedural pass by steering the surgical laser signal along the path, measuring the surface of the surgical site after the procedural pass, updating a model based on the measured effect at the surgical site, and evaluating the success of the procedural pass based on the surface measurement and the post-procedural goal. If necessary, a new path is planned based on the post-procedural goal and the surface measurement a new pass based on that path is performed, and the surface is again measured to evaluate the success of the new pass. These operations are repeated as a closed-loop sequence as many times as necessary to achieve success.

Abstract: A system is provided for maintaining a safe operating area while also providing a suitable forward bias voltage to drive a laser diode. The system can monitor a voltage that is applied to a laser diode driver using a threshold that is based on the fabrication process of the laser diode driver. For example, a system can utilize a first threshold for a laser diode driver that is fabricated utilizing a 10 nm process and utilize a second threshold for another laser diode driver that is fabricated utilizing a 20 nm process. The threshold can also be based on a color of the laser or a desired operation mode. The system can monitor a voltage applied to a laser diode using different thresholds while controlling a bleed current to ensure that the laser diode is forward biased while mitigating the risk of silicon breakdown of the laser diode driver.

Abstract: The present disclosure describes a system and method for using thermal cameras to detect surfaces that have been in contact with individuals. The detection can be used to guide focused cleaning of the surfaces.

Abstract: Disclosed are systems and techniques for locating objects using machine learning algorithms. In one example, a method may include receiving at least one radio frequency signal from an electronic identification tag associated with an object. In some aspects, one or more parameters associated with the at least one RF signal can be determined. In some cases, the one or more parameters can be processed with a machine learning algorithm to determine a position of the object. In some examples, the machine learning algorithm can be trained using a position vector dataset that includes a plurality of position vectors associated with at least one signal parameter obtained using a known position of the object.

Abstract: An automated laser-surgery system for performing a closed-loop surgical procedure is disclosed. The procedure includes forming a post-procedural goal based on a three-dimensional (3D) image of a surgical site, planning a path for a surgical laser signal based on the post-procedural goal, performing a procedural pass by steering the surgical laser signal along the path, measuring the surface of the surgical site after the procedural pass, updating a model based on the measured effect at the surgical site, and evaluating the success of the procedural pass based on the surface measurement and the post-procedural goal. If necessary, a new path is planned based on the post-procedural goal and the surface measurement a new pass based on that path is performed, and the surface is again measured to evaluate the success of the new pass. These operations are repeated as a closed-loop sequence as many times as necessary to achieve success.

Abstract: The present disclosure enables improved laser treatments by enabling better estimation of laser-tissue interaction to better inform the planning of a treatment path for a laser signal through a treatment region. An embodiment in accordance with the present disclosure uses a laser signal to generate a feature in the treatment region, generates a surface profile of the treatment region that includes the feature, compares that surface profile to another surface profile of the treatment region taken before the generation of the feature, and infers at least one property for at least one tissue type in the treatment region based on the comparison. In some embodiments, the feature is generated such that it includes a plurality of tissue types previously identified in the treatment region, thereby enabling inference one or more properties for each tissue type and/or locating one or more boundaries between tissue types.

Abstract: Electronic identification tagging systems, methods, applicators, and tapes for tracking and managing medical equipment and other objects are disclosed. According to an aspect, a system includes electronic identification tag readers distributed within predetermined areas of an environment. The system also includes electronic identification tags attached to respective medical equipment within the environment. Further, the system includes a computing device comprising an object use analyzer configured to receive, from the electronic identification tag readers, information indicating presence of the electronic identification tags within the predetermined areas. The object use analyzer also analyzes usage of the medical equipment within the environment based on the received information. Further, the object use analyzer manages one of medical equipment supply or usage of the medical equipment during a medical procedure based on the analyzed usage of the medical equipment.

Abstract: The present disclosure provides a wearable computing device including (i) one or more sensors, (ii) a partially or fully transparent display, and (iii) a control system. The control system is configured to receive data indicative of a three-dimensional model of a body part. The control system is further configured to receive sensor data from the one or more sensors. Based on the sensor data, the control system is further configured to determine a relative position of a physical body part of a physical body with respect to the wearable computing device. Based on the determined relative position, the control system is configured to cause the display to provide a hologram corresponding to at least a portion of the three-dimensional model of the body part such that the hologram appears overlaid onto at least a portion of the physical body part when viewed through the display.

Abstract: In an electronic device that employs high-speed differential signaling on one or more pairs of conductors in a flexible printed circuit, RF chokes are placed in the differential signal path and mounted directly on the flexible printed circuit which is used to interconnect a peripheral device, such as an image sensor, through a connector to another device component such as a main printed circuit board. The RF chokes are configured to suppress common-mode noise propagating in the differential pairs of conductors. In one illustrative embodiment, the RF chokes are located on the flexible printed circuit adjacent to the peripheral device to suppress common-mode noise near its source. In another illustrative embodiment, the RF chokes are mounted adjacent to the connector to suppress the common-mode noise before it has an opportunity to escape the flexible printed circuit at the major discontinuity presented by the connector.

Abstract: In an electronic device having a compact form factor, such as a head mounted display device, flexible printed circuits may be utilized to provide interconnects between EMI-generating peripheral components and other components in the device such as those populated on main circuit boards. Coverlays utilized to protect circuit traces and ground planes in the flexible printed circuits are configured with openings that can expose ground planes at various locations throughout the electronic device. Electrical pathways are formed by conductive foam, conductive adhesives, and/or other conductive materials between the exposed ground planes and a device ground to establish multiple ground loops throughout the device that shunt EMI energy that is generated by electronic components and circuits during device operation. The coverlay openings can be positioned on the flexible printed circuits so that the lengths of the ground loops are minimized to enhance overall EMI emission management performance.