Abstract: Rotary position sensors are provided. In one example implementation, a rotary position sensor can include a first member and a second member, one of the first and second members having a transmit aerial and a receive aerial and the other of the first and second members having an intermediate coupling element. The receive aerial has at least one receive conductive winding arranged to form a first set of current loops and a second set of current loops. The intermediate coupling element comprises a conductive material arranged in a pattern. The pattern of the intermediate coupling element and the layout of the first and second set of current loops are mutually arranged such that any electromotive force induced in the first set of current loops by a background magnetic field is substantially balanced by an electromotive force induced in the second set of current loops by the background magnetic field.

Abstract: A fuel oxygen reduction unit assembly for a fuel system is provided. The fuel oxygen reduction unit assembly includes: a fuel oxygen reduction unit located downstream from the fuel source and defining a stripping gas flowpath and a liquid fuel flowpath, the fuel oxygen reduction unit comprising a means for transferring an amount of oxygen from a liquid fuel flow through the liquid fuel flowpath to a gas flow through the stripping gas flowpath; and an oxygen conversion unit in flow communication with the stripping gas flowpath configured to extract a flow of oxygen from a gas flow through the stripping gas flowpath, the oxygen conversion unit defining an oxygen outlet configured to provide the extracted flow of oxygen to an external system.

Abstract: A process for polymerizing at least one fluoromonomer in an aqueous medium containing initiator and hydrocarbon dispersing agent to form an aqueous dispersion of particles of fluoropolymer. The hydrocarbon dispersing agent comprises a compound of formula I: R—(XZ)n??I wherein R is a hydrophobic hydrocarbon moiety that comprises one or more saturated or unsaturated, non-cyclic or cyclic aliphatic groups, the percentage of total CH3 groups in relation to the total of CH3, CH2 and CH groups in said one or more aliphatic groups being at least about 70%, said hydrophobic moiety being free of siloxane units; wherein each X may be the same or different and represents an ionic hydrophilic moiety; wherein each Z may be a same or different and represents one or more counter ions for said ionic hydrophilic moiety; and wherein n is 1 to 3.

Abstract: A system for controlling the flow of fluid through a medical device may include a medical device having a lumen that extends to a distal end of the medical device; a fluid source configured to supply fluid having a positive pressure to the lumen of the medical device; and a flow controller configured to apply a negative pressure to the fluid within the lumen, wherein the flow controller is triggered to apply the negative pressure upon a lowering of the positive pressure from the fluid source.

Abstract: A medical device including an elongate member having a proximal end, a distal end, and a lumen extending therebetween. The medical device may further include an end-effector disposed at the distal end of the elongate member. The end-effector may include a plurality of arms pivotally connected to one another, wherein each arm includes a tissue-contacting surface, a first portion of the tissue-contacting surface including a plurality of ridges configured to grasp tissue. Further, the tissue-contacting surface may include a channel oriented substantially parallel to a longitudinal axis of the medical device.

Abstract: Medical devices and methods for using medical devices are disclosed. Example fluid reservoirs and tube sets arranged and configured to couple to an endoscope for use in an endoscopic procedure are disclosed. An example fluid reservoir and tube set includes a fluid reservoir configured to contain a fluid, a fluid supply tube configured to be coupled to the endoscope and having a lumen extending therethrough, wherein the lumen is in fluid communication with the fluid reservoir and a first backflow prevention mechanism coupled to the fluid supply tube, the first backflow prevention mechanism configured to permit fluid to flow through the fluid supply line from the fluid reservoir to the endoscope and to prevent fluid from flowing back through the fluid supply tube from the endoscope to the fluid reservoir.

Abstract: The present disclosure relates generally to the field of medical devices and treating tissues within body passages. In particular, the present disclosure relates to electrosurgical devices, systems, and methods for providing treatment of tissue.

Abstract: A medical device may include a shaft extending from a proximal end toward a distal end, the shaft including a lumen extending from the proximal end toward the distal end; a first stapling head at the distal end, the first stapling head configured to contain one or more staples, and the first stapling head having a block disposed within, and movable relative to, the first stapling head; a second stapling head at the distal end; and a pushing element extending through the lumen, the pushing element being movable from a first position to a second position, wherein transition of the pushing element from the first position to the second position urges the block to move toward second stapling head to deploy the one or more staples.

Abstract: According to one aspect, a tissue fastening device may comprise a body configured to include a plurality of fasteners; an anvil rotatable relative to the body; and a tissue cutting device. The body may define a longitudinal channel configured to receive the tissue cutting device. The tissue fastening device may further comprise a fastener actuator configured to move proximally relative to the body to deploy the plurality of fasteners from the body; and an actuation wire coupled to the tissue cutting device and the fastener actuator. The actuation of the actuation wire may cause the fastener actuator to deploy at least one of the plurality of fasteners into tissue distally of tissue cut by the tissue cutting device.

Abstract: A method for coupling a first medical device component to a second medical device component includes altering the first medical device component from a natural state to an altered state, by reducing a cross-sectional dimension of the first medical device. The method further includes fitting a first portion of the first medical device component in the altered state into a first opening of the second medical device component. The first medical device component includes second portions not within the first opening of the second medical device component. The method further includes allowing the second portions of the first medical device component to revert back to the natural state.

Abstract: An endoscopic tissue fastening device may include a body having a first portion and a second portion arranged alongside the first portion. The second portion may extend distally of the first portion and may terminate in a distal end face of the body. The device may further include a tissue fastening assembly having a fastening head with a proximal end and a distal end. The fastening head may be deflectable at a location between the proximal end and the distal end of the fastening head. The tissue fastening assembly may be received within a lumen of the body. Further, the body may be moveable between an unarticulated configuration and an articulated configuration. In the articulated configuration, a central longitudinal axis of the second portion of the body may be substantially parallel with a central longitudinal axis of the tissue fastening assembly.

Abstract: A closure device includes a first ring structure having a first distal portion and a first medial portion and a second ring structure having a second distal portion and a second medial portion. The first and second distal portions are movable between an open position, where the first and second distal portions form an angle relative to one another for receiving target tissue therebetween, and a closed position, where the first and second distal portions are drawn toward one another for gripping the target tissue. The device also includes an anvil about which the first and second medial portions are formed. Either one of proximal motion of the anvil relative to the first and second rings or proximal motion of the medial portions relative to the anvil causes the first and second distal portions to move into either one of the open position or the closed position.

Abstract: Improved methods and devices for performing an endoscopic surgery are provided. Systems are taught for operatively treating gastrointestinal disorders endoscopically in a stable, yet dynamic operative environment, and in a minimally invasive manner. Such systems include, for example, an endoscopic surgical suite. The surgical suite can have a reversibly expandable retractor that expands to provide a stable, operative environment within a subject. The expansion can be selectively asymmetric to maximize space for a tool and an endoscope to visualize a target tissue and treat the target tissue from outside the patient in a minimally invasive manner.

Abstract: A suture device may include a suture translation assembly configured to be axially translatable within a lumen of a delivery system and a distal assembly configured to be securable to the distal end of the delivery system. The suture translation assembly and the distal assembly may cooperate to enable a user to pass a needle back and forth between the two in order to endoscopically suture a defect.

Abstract: The present disclosure provides methods and systems for detecting multiple different nucleotides in a sample. In particular, the disclosure provides for detection of multiple different nucleotides in a sample utilizing fewer detection moieties than the number of nucleotides being detected and/or fewer imaging events than the number of nucleotides being detected.

Abstract: A medical device comprising a shaft, a handle including a proximal portion and a distal portion, wherein the distal portion is fixed to a proximal portion of the shaft, and a channel extending from the handle into the shaft, wherein the channel includes a proximal channel and a distal channel, the proximal channel being rotatable relative to the distal channel and aligned with the distal channel throughout rotation of the proximal channel, wherein the proximal portion includes the proximal channel and the distal portion includes the distal channel, wherein the distal portion is rotatable relative to the proximal portion of the handle, and the shaft is configured to rotate with the distal portion of the handle.

Abstract: The inclusion of a galvanneal material with a door protection plate and methods of manufacturing thereof are disclosed. In some embodiments, a door protection plate may include a substrate, a plurality of holes, a first coating of zirconium polymer, and a second powder coating. Incorporating a galvanneal material as a first coating provides a conductive surface for adhesion of the powder coating, and additional corrosion prevention for the door protection plate.

Abstract: A visibility measurement device (10) comprising a camera (12) and a computing device (14) communicatively coupled to the camera and configured to: receive a first image from the camera; select a measurement feature in the first image, the measurement feature corresponding to a location within the field of view of the camera; measure an optical characteristic of the measurement feature to obtain a measured optical characteristic value for the location; and determine an ambient fog intensity value based on: the measured optical characteristic value; a reference optical characteristic value for the location; and a distance between the camera and the location, such that the ambient fog intensity value can be used to calculate the visibility in a direction between the camera and the location.

Abstract: Embodiments of present disclosure provide a system, apparatus and method(s) for generating a set of metrics for evaluating entities used with a predictive machine learning model, the method comprising: selecting one or more sets of entities from a data sources for generating a plurality of predictions aggregated from said one or more sets of entities using one or more pre-trained predictive models; selecting a subset of predictions from the plurality of predictions based on said one or more sets of entities in relation to the data source; extracting metadata from the data source associated with the subset of predictions, where the metadata comprises entity metadata and predicted metadata; generating the set of metrics based on the metadata extracted and the subset of predictions; and outputting the set of metrics for evaluation.

Abstract: A flexible service-based architecture (SBA) for next generation communication networks is described. In an embodiment, a method performed by a system comprising a processor comprises receiving a service request for provision of a data communication service to a communication device via a communication network comprising a plurality of different network resources defined by resource components and sub-components of the resource components. In response to receiving the service request, accessing network resource abstraction information that identifies the resource components, and the sub-components respectively associated with the resource components, and selecting a subset of the different network resources for the provision of the data communication service to the communication device based a service criterion associated with the data communication service.