Abstract: A tracheostomy guard (10, 30, 40, 50) for a patient interface is provided. The tracheostomy guard (10, 30, 40, 50) comprises a first portion (11) arranged to connect to a patient interface, in use, a second portion (12) attached to the first portion and configured to be in fluid communication with the patient interface and/or the first portion (11), in use. The second portion (12) comprising at least one first member (121) and/or second member (122) forming at least one aperture in fluid communication with the ambient environment, wherein the aperture (13) has a size that is variable in response to a force applied to at least part of the second portion, in use. An assembly (100) comprising the tracheostomy guard, a valve unit, a valve component, and a kit of parts, are also provided.

Abstract: The invention relates to an optical emission spectrometer (1) being easily adjustable, and to a method (100) to set-up and operate such a spectrometer (1) comprising a plasma stand (2) to establish a light emitting plasma from sample material, and an optical system (3) to measure the spectrum of the light (L) emitted by the plasma being characteristic to the sample material, where the optical system (3) comprises at least one light entrance aperture (31), at least one diffraction grating (32) to split up the light (L) coming from the plasma (A) and one or more detectors (33) to measure the spectrum of the light (L), wherein the plasma stand (2) and the optical system (3) are directly and fixedly mounted on respective a plasma stand flange (2B) and an optical system flange (3B) which are directly and fixedly connected to each other and wherein the optical emission spectrometer (1) further comprises an analyzing unit (34) adapted to analyze the measured spectrum and to compensate for a drift of the spectrum rel

Abstract: A three-plate die casting mold for producing a metal die-cast part by die casting a molten metal includes a first, second, and third mold part, where the third mold part is disposed between the first and second mold parts. Molten metal is feedable to a die cavity through a sprue system where the sprue system has a plurality of feed channels that are disposed in the third mold part and open into the die cavity. The plurality of feed channels have a respective tapering at a die cavity-side end where the respective tapering locally decreases a channel cross section such that a predetermined breaking point is generated during a die casting operation which allows a defined separation of the metal die-cast part from a sprue created in the sprue system when the three-plate die casting mold is being opened.

Abstract: A semiconductor device includes a silicon carbide (SiC) drift zone over a SiC field stop zone and/or a SiC semiconductor substrate. A concentration of Z1/2 defects in the SiC drift zone is at least one order of magnitude smaller than in the SiC field stop zone and/or the SiC semiconductor substrate. Separately or in combination, a concentration of Z1/2 defects in a part of the SiC drift zone is at least one order of magnitude smaller than in another part of the drift zone.

Abstract: Embodiments of a respiratory support apparatus are disclosed comprising features configured to minimize, reduce or contain aerosols carrying pathogens that can cause diseases such as COVID 19, SARS, MERS, Tuberculosis, or any other infectious diseases. Embodiments of a respiratory support apparatus are also provided configured to at least reduce the amount of oxygen required, during use of the apparatus, from an external oxygen supply such as an oxygen tank or hospital wall supply. Embodiments of such apparatus are provided with means to recirculate expiratory gases, and/or redirect leak flow. Embodiments of such apparatus are provided in which expiratory gases are sucked away from the patient. Embodiments of such apparatus are provided comprising a first flow generator for delivering inspiratory gases, and a second flow generator for removing expiratory gases.

Abstract: According to an example, a spark stand assembly for an OES instrument is provided, the spark stand assembly including: a spark stand body that at least partially defines a plasma chamber; an exciter at least partially disposed inside the plasma chamber; and an optical transmission path from the plasma chamber for providing a view to a plasma generated in the plasma chamber, wherein the plasma chamber is provided with an opening for exposing a part of a sample positioned on the opening for excitation from the exciter so as to generate plasma on a surface of the sample upon activation of the exciter, and wherein a coating layer that includes a tribological coating is arranged to cover at least a portion of surfaces of the plasma chamber.

Abstract: According to an example, a spark stand assembly for an OES instrument is provided, the spark stand assembly including: a spark stand body that at least partially defines a plasma chamber; an exciter at least partially disposed inside the plasma chamber; and an optical transmission path from the plasma chamber for providing a view to a plasma generated in the plasma chamber, wherein the plasma chamber is provided with an opening for exposing a part of a sample positioned on the opening for excitation from the exciter so as to generate plasma on a surface of the sample upon activation of the exciter, and wherein a coating layer that includes a tribological coating is arranged to cover at least a portion of surfaces of the plasma chamber.

Abstract: A cooking appliance with a self-cleaning function includes: a cooking chamber partially formed by an inner enclosure; a cleaning device for cleaning the cooking chamber, the cleaning device including a delivery device and a distribution device; a closure element for closing and clearing an access opening of the cooking chamber; and at least one cooking chamber seal disposed in a cooking chamber groove of the cooking appliance such that the at least one cooking chamber seal faces the closure element, the cooking chamber groove being formed by the inner enclosure and/or by a front housing wall of the cooking appliance. The cooking chamber seal, at least in some sections, has at least one slot extending along a principal direction of extent thereof, the at least one slot being open inwardly in a mounting direction and/or outwardly in a direction opposite the mounting direction.

Abstract: An apparatus (10) for navigating a hierarchical electronic questionnaire (12) includes at least one electronic processor (20) programmed to: provide (102) a user interface (UI) (27) via which: at least a portion of the hierarchical electronic questionnaire is presented on a display device (24) represented as a tree-based questionnaire map (30) with a plurality of nodes (32) connected by a plurality of branches (34), the nodes of the plurality of nodes corresponding to questions; a user input is received, via at least one user input device (22), indicative of a selection of at least one of the nodes; and the question corresponding to the selected node is displayed and a user input indicative of an answer to the question corresponding to the selected node is received via the at least one user input device; and populate (104) one or more nodes other than the selected node based on the selected node and/or the answer to the question corresponding to the selected node.

Abstract: A spark stand assembly for an optical emission spectroscopy includes: a spark stand body on a mounting flange enabling attaching the assembly to a main housing; an exciter in a recess on the body; an elevated portion on the body adjacent the mounting flange; an elongated notch on the body connecting the recess to a passageway through the elevated portion; a spark stand plate on the body to cover the recess, the notch and part of the elevated portion so the recess forms a plasma chamber and the notch forms a path to the passageway. The plate includes an opening exposing part of a sample on the opening for excitation, the opening being spatially aligned with the exciter when the plate is on the body; and a sealing member between the top of the body and the plate enclosing the recess and notch and routed over the elevated portion.

Abstract: A method (100) of automated identification of one or more malfunction areas of a set (S) of malfunction areas for a service case in which a medical device (12) is serviced includes: generating an output probability vector (40) of probabilities for the set of malfunction areas of the medical device by operations including applying at least one classifier (42, 46) to at least one of (1) text descriptions of parts ordered for the service case and/or (2) a text description of the service case; and displaying a list (56) of one or more most probable malfunction areas for the service case wherein the one or more most probable malfunction areas are the one or more most malfunction areas of the set of malfunction areas having highest probability in the output probability vector.

Abstract: A method (100) of generating a ranked list (42) of alerts (30) from files (32) of electronic devices (12) includes: applying predictive models (34) to data of the files to generate maintenance alerts for the electronic devices; assigning discrete values for a set of criteria (36) to each maintenance alert whereby the maintenance alert has a share computed as a product of the assigned discrete values; performing a credit-based queuing process (38) to assign the maintenance alerts to slots of a ranked list, wherein in the credit-based queuing process the maintenance alerts accumulate credits in accord with the shares computed for the respective maintenance alerts; and displaying, on a display device (24) operatively connected with the at least one electronic processor, the maintenance alerts as the ranked list in accordance with the assignments of the maintenance alerts to the slots of the ranked list.

Abstract: A non-transitory computer readable medium (26) stores instructions executable by at least one electronic processor (20) to perform a method (100) of detecting issues with wireless connections. The method includes: receiving Wi-Fi roaming data for wireless devices (12) connected to a wireless electronic data communication network (14) comprising a plurality of access points (APs) (16) dispersed through a facility; from the received Wi-Fi roaming data, determining single-AP disconnect events for the APs wherein a single-AP disconnect event for an AP comprises a disconnection of the AP from a wireless device followed by a reconnection of the AP with the wireless device without the wireless device connecting to any other AP during a time interval between the disconnection and the reconnection; and generating an alert (30) for any AP whose rate of single-AP disconnect events exceeds a predetermined single-AP disconnect rate alert threshold.

Abstract: At a service device (102), a user interface (106) is provided via which a user submits an order request (117) to order a requested part (X) via the at least one user input device (103). Co-replacement information (116) for the requested part (X) is identified using a co-replacements database (114), and is displayed on the display. For example, a second part (Y) commonly co-replaced with requested part (X) may be identified and recommended for replacement with part (X); or, if two parts (X) and (Y) are ordered then the co-replacement information may be to recommend ordering only one of these parts. At a server hosting the database (114), the order request is received from a service device and the co-replacement information (116) for the requested part is generated using the co-replacements database (114), and the co-replacement information is sent to the service device.

Abstract: Disclosed is a mobile instrument assembly comprising: a housing for accommodating one or more components of an instrument; one or more wheels for mobility of the instrument assembly; and a mounting assembly comprising: a support plate that is moveable with respect to the housing between retracted position and one or more extracted positions and that comprises, in its distal end, a pair of protrusions projecting from a surface of the support plate, wherein in the retracted position the support plate is substantially unexposed from the housing, and in each of the one or more extracted positions the support plate extends from the housing to respective extent such that perimeter of the housing and the pair of protrusions define a circular area of respective predefined diameter to allow for mounting a pressure vessel of corresponding size on the support plate between the perimeter of the housing and the pair of protrusions.

Abstract: A non-transitory computer readable medium (107, 127) stores instructions executable by at least one electronic processor (101, 113) to perform a method (200, 300) of generating a recommendation engine for recommending actions during performance of a fault-finding task. The method comprises: converting a collection of historical fault-finding process sequences (140) into a fault-finding tree (130) having nodes (132), action edges (135) and outcome edges (137) connecting the nodes. The action edges are labeled with actions of the historical fault-finding process sequences and the outcome edges are labeled with outcomes of the historical fault-finding process sequences. The nodes include terminal nodes (133) labeled with root causes or solutions identified by the historical fault-finding process sequences. A visualization (142) of the fault-finding tree is provided on a user interface (UI) (120) on a service device (102) operable by a field service engineer (FSE).

Abstract: System and methods to control resource distribution to fields are provided. A data processing system can identify a plurality of zones of the field, and can receive, from a client computing device, registration information of a node. The registration information can correlate the node with a zone of the field. The data processing system can obtain, via a gateway device and from the node, a first data file including field metric data and a second data file including third party data that pertains to the field. The data processing system can determine a resource distribution schedule based at least in part on data of the first data file and data of the second data file. The data processing system can receive, via the gateway device, a prompt from the node, and can provide an instruction to control a valve to regulate resource distribution to a portion of the field.

Abstract: A laboratory system for analyzing biological samples is presented. The laboratory system comprises a plurality of laboratory instruments configured to receive and identify biological samples and to query a laboratory control unit for a processing order indicative of processing steps to be carried out on the biological sample. The laboratory control unit is configured to validate sequence of queries from the plurality of laboratory instruments against a valid query sequence pattern.

Abstract: A wireless network comprises access points (APs) implementing roaming by way of handover of wireless devices between APs. Handover events over an analysis time interval are extracted from a wireless network log of the wireless network. Each handover event comprises a source AP from which a wireless device disconnects and a destination AP to which the wireless device connects. At least one handover frequency (HF) network topology graph is constructed fro the analysis time interval from the extracted handover events. The graph has nodes representing at least a subset of the APs of the extracted handover events and edges connecting pairs of nodes with each edge having a weight representing a count or frequency of handover events between the APs represented by the pair of nodes connected by the edge. A network diagnostic or visualization task is performed using the HF network topology graph.

Abstract: The invention provides a lighting system comprising (i) a lighting device comprising a plurality of light sources for application in a horticulture production facility, wherein the light sources are configured to illuminate with horticulture light crops, wherein the lighting system further comprises (ii) a control unit configured to control the light intensity of local light at a location, wherein the local light is the sum of the horticulture light and light at the location originating from an optional other light source, and wherein the control unit is configured to prevent a change in the photosynthetic photon flux density (PPFD) of the local light at the location of on average more than 50 nmol/sec/m2 over a predetermined period of time selected from the range of equal to or smaller than 5 minutes by controlling the contribution of the horticulture light to the local light.