Abstract: A nozzle includes: a main body having a lower surface that faces a cleaning target surface; a groove provided on the lower surface and recessed upward from the lower surface; and a suction port provided inside the groove and facing the cleaning target surface. The groove includes: a first groove; and a second groove at least a part of which is provided in the rear of the first groove. A depth H1 of the first groove is deeper than a depth H2 of the second groove.

Abstract: A cleaning tool includes: a body including an upper case and a lower case, and for sucking dust from the surface to be cleaned from the lower case; and a joint located at one end side of the body with respect to a center of the body in a longitudinal direction of the body. The joint includes a first rotating portion and a second rotating portion. The second rotating portion is connected to the body so as to be rotatable relative to the body around a second axis of rotation being parallel to the longitudinal direction of the body. The first rotating portion is rotatably connected to the second rotating portion so as to be rotatable relative to the second rotating portion around a first axis of rotation being at an intersecting position or a skewed position with respect to the second axis of rotation.

Abstract: A prefilter for a filter of a vacuum device 1 includes a frame extending in an axial direction between first and second axial extents. The frame includes a base located at the first axial extent, a first cylindrical ring extending axially from the base toward the second axial extent, a plurality of ribs extending from the first cylindrical ring towards the second axial extent and defining openings between the ribs, and a second cylindrical ring portion positioned at the second axial extent of the frame. The prefilter also includes a mesh layer comprising a plurality of mesh openings, the mesh layer coupled to the frame and configured to cover the openings to prevent debris larger than a size of the mesh openings from passing therethrough. The prefilter also includes an engagement feature coupled to the frame and configured to engage the filter to fasten the frame to the filter.

Abstract: A hand vacuum cleaner has a main body housing a suction motor. A cyclone has a front end and a rear end with a cyclone axis of rotation extending between the front and rear ends. A pistol grip handle extends downwardly from a lower side of the main body. A post motor filter is positionable in a post motor filter chamber wherein the post motor filter is removable radially and wherein the cyclone axis of rotation extends through the suction motor.

Abstract: A hand vacuum cleaner has a cyclone, which has a front end and a rear end with a cyclone axis of rotation extending between the front and rear ends. A pistol grip handle has a pistol grip axis that extends through the pistol grip handle from a lower end of the pistol grip handle to an upper end of the pistol grip handle. The pistol grip axis intersects the suction motor. A post motor filter, which is positionable in the air flow path, comprises a plurality of removeable filters.

Abstract: A hand vacuum cleaner with a user interface.

Abstract: A hand vacuum cleaner has a cyclone unit, a front electrical connector and electrical conductors that extend from the front electrical connector to a source of power. The electrical conducts extend along a portion of a wall of the cyclone unit. When a cleaning tool is connected to the hand vacuum cleaner, the cleaning tool is connected in air flow communication with the dirty air inlet and the cleaning tool is electrically connected to the front electrical connector.

Abstract: A vacuum cleaner includes a main body, a suction motor in the main body, an extension pipe, a suction head, connected to the suction motor through an extension pipe and including a suction port through which the foreign substances are sucked, a brush inside the suction head, a brush motor configured to rotate the brush, a pressure sensor configured to detect a pressure of air flowing through the suction port, a memory configured to store reference data used to identify the type of surface to be cleaned and a learning model to update the reference data, and a controller configured to determine a suction pressure based on the detected pressure and an atmospheric pressure, and identify the type of surface using the determined suction pressure, a load of the brush motor, and the stored reference data, and to update the stored reference data based on a predetermined update condition.

Abstract: An electronic device, comprising: a first light source, configured to emit first light; a second light source, configured to emit second light; an optical sensor, configured to sense optical data generated according to reflected light of the second light or according to reflected light of the first light; and a control circuit, configured to analyze optical information of the optical data. If the control circuit determines variation of the optical information is larger than a variation threshold, the control circuit controls the first light source to be non-activated and the second light source to be activated.

Abstract: An extraction cleaner system includes a housing with a fluid delivery pathway and a fluid recovery pathway. A suction source is disposed within the housing and is fluidly connected to the fluid recovery pathway. The suction source is configured to create a fluid pressure vacuum. A liquid source is carried by the housing and is fluidly connected to the fluid delivery pathway. The liquid source is configured to contain and dispense a liquid. A suction nozzle is fluidly connected to the fluid recovery pathway upstream from the suction source. The suction nozzle is configured to draw therethrough the liquid dispensed from the liquid source. The suction nozzle defines a pad compartment located within the fluid recovery pathway and an absorbent pad is removably stored inside the pad compartment.

Abstract: A surface cleaning apparatus for cleaning a surface includes a recovery tank with a lower portion with a bottom wall that defines an opening and an extraction nozzle that is in fluid communication with the recovery tank. A motor/fan assembly is in fluid communication with the extraction nozzle and the recovery tank to generate a working airflow to transport debris-containing fluid including air and liquid from the extraction nozzle into the recovery tank. The surface cleaning apparatus also includes an air/liquid separator assembly that is selectively insertable into the recovery tank. The air/liquid separator assembly includes a riser tube with a liquid conduit integrally formed with an air conduit and a float assembly that is operably coupled with the air conduit. A coupling joins the air/liquid separator assembly with the recovery tank.

Abstract: An apparatus for cleaning a surface includes a liquid delivery system for storing cleaning liquid and delivering the cleaning liquid to the surface to be cleaned, a fluid recovery system and a control system. The control system includes a controller that is coupled to a sensing assembly. Methods of operating the same include sensing foam or liquid with the sensing assembly.

Abstract: A cleaning vehicle is provided with: a chassis; a brush for cleaning a road surface; a user placement portion which is provided rearward of the brush in the chassis, and which has an operating handle; and an electrical unit for driving the brush. The cleaning vehicle is provided with a battery case which holds a removable battery, and which is thereby capable of supplying electric power from the battery to the electrical unit. In the battery case, an opening portion through which the battery can be inserted is exposed to the outside of the chassis forward of the brush.

Abstract: A method of monitoring hygiene or cleanliness, the method comprising a robot collecting at least one sample from a location, performing at least one test on the at least one sample to generate at least one data point, wherein said at least one data point is an indicator of hygiene or cleanliness of the location from where the sample was collected and recording the data point in a data file.

Abstract: A robot cleaner includes a rotation motor; a rotation member that is rotatable by driving of the rotation motor having a first surface, a second surface, and an opening through the rotation member and penetrating the first surface and the second surface; and a floorcloth coupling member disposed on the second surface and having a floorcloth attaching unit insertable into the opening to be detachably coupled to a floorcloth in contact with the first surface. The rotation member and the floorcloth coupling member are configured so that, when the floorcloth attaching unit is inserted into the opening and detachably coupled to the floorcloth, the rotation member rotates in a first state, the floorcloth attaching unit remains coupled to the floorcloth. When the rotation member rotates in a second state, the floorcloth attaching unit exits the opening so that the floorcloth becomes detached from the floorcloth attaching unit.

Abstract: In the context of vacuum cleaning, a suction head is provided, which includes a housing that is couplable to an air suction source of a vacuum cleaner, and two brushes in a substantially parallel arrangement in the housing. The brushes are rotatable about a rotation axis and configured to interact with a surface to be cleaned. The suction head is further equipped with a wetting arrangement that enables a direct supply of liquid from at least one liquid supplying position to at least one area of the surface to be cleaned, where the at least one liquid supplying position is in an area between the brushes and at a level of the rotation axes of the brushes or closer to surface level.

Abstract: A water tank assembly includes a main water tank and an auxiliary water tank. A water pumping device in operation pumps and discharges water in a first water storage space of the main water tank into a second water storage space of the auxiliary water tank. A water guiding device in operation outputs water from the second water storage space to a preset position. The water pumping device in operation can supply water to the auxiliary water tank as needed. The main water tank does not discharge water into the auxiliary water tank when the water pumping device is not in operation. As a result, the water amount in the auxiliary water tank no longer increases.

Abstract: A cleaning system includes a cleaning robot and a cleaning base station. The cleaning robot includes a machine body, a first cleaning assembly and a pushing assembly, the first cleaning assembly is detachably arranged on a bottom portion of the machine body, and the pushing assembly is at least partially arranged in the machine body and connected with the first cleaning assembly. when the cleaning robot is docked with the cleaning base station, the pushing assembly is capable of pushing the first cleaning assembly to move from a first state to a second state and/or from the second state to a third state.

Abstract: A multi-layer sponge assembly is disclosed which contains an abrasive portion and a magnet that mates with a separate magnetic element to allow the sponge to be elevated in a suspended position to dry.

Abstract: A hard surface cleaning and conditioning assembly is provided that includes a pole having a lower section and an upper section; an adjusting device securing the upper and lower sections to one another in a telescoping manner; a tool depending from the lower section; a conditioning agent dispensing device depending from the lower section; a trigger depending from the upper section; and a telescoping trigger assembly operatively connecting the dispensing device to the trigger.

Abstract: A floor cleaning device is provided that includes a stick with a cleaning head at one end thereof; a lower tank; an upper tank mounted inside and/or above the lower tank and designed to contain a cleaning liquid; and a basket adapted to receive the cleaning head to be rinsed and carried by the upper tank to move between a rest position, in which the basket fluidically separates the upper tank and the lower tank, and an operating position, in which the basket fluidically connects the upper tank with the lower tank to allow the cleaning liquid to flow from the upper tank to the lower tank through the basket so as to rinse the cleaning head inside the basket.

Abstract: A dishwasher including a tub forming a washing chamber; a drying device disposed outside of the tub and including an inlet through which air from the washing chamber is introduceable, a flow channel in which air from the washing chamber introduced through the inlet flows, a fan that is operable to cause air from the washing chamber to be introduced through the inlet to flow in the flow channel, a heater in the flow channel to heat air in the flow channel, an outlet through which air in the flow channel is discharged to the washing chamber, and a temperature sensor between the heater and the outlet; and at least one processor configured to operate the fan based on a start of a drying cycle and to determine an initial operation time point of the heater during the drying cycle based on temperature detected by the temperature sensor.

Abstract: A household appliance, in particular a water-using household appliance such as, for example, a dishwasher, includes: an appliance housing providing an appliance chamber, which appliance housing has a loading opening for access to the appliance chamber; and an appliance door which is mounted so as to be rotatable about a pivot axis for closing the loading opening, the appliance door having a door handle and a user control unit having a bezel and a control panel. The control panel is disposed on the bezel so as to be pivotable about an axis of rotation extending along a lower longitudinal edge of the control panel, in a vertical direction, being pivotable from a first position, in which the control panel is flush with an outer surface of the appliance door, to a second position, in which the control panel is moved into a cavity provided by the bezel, and vice versa.

Abstract: A dishwasher with for treating dishes according to a cycle of operation. The dishwasher has a chassis comprising a base on which is supported a open-faced tub, which at least partially defines a treating chamber; a closure selectively moveable between and an open position and a closed position to selectively open and close the open-faced tub, a controller for selectively controlling the cycle of operation of the dishwasher, and a dispenser assembly comprising an engagement assembly in communication with the controller; the engagement assembly operably coupled with at least one of a dispensing device and one or more dispensing cartridges to adjust the position of one of the dispensing device and/or the dispensing cartridges to selectively dispense treating chemistry from the selected dispensing cartridge.

Abstract: A medical system that includes a medical device having an imaging device configured to capture images of a target site. A location of the target site is determined based on the images. The medical device includes a light source configured to direct light onto the location of the target site, and a processor and non-transitory computer readable medium storing instructions that, when executed by the processor, causes the processor to move a sensor of a medical instrument toward the location of the target site based on the sensor detecting the light at the target site.

Abstract: A method for calibrating a medical imaging device is provided. The medical imaging device may be an endoscope system or an exoscope system. The medical imaging device includes an optical system with optics and an imaging sensor for capturing an image of a viewing region, and image information of the image being subject to a spectral deviation as a result of an internal and/or external influence, as a result of the optical system, lighting and/or an ambient condition, said method having multiple steps. A medical imaging device, in particular a medical endoscope or a medical exoscope incorporating the method is also provided.

Abstract: Various embodiments are generally directed to devices, systems, and methods for controlling the flow of fluids in endoscopic systems, such as endoscopic ultrasound (EUS) enabled endoscopes. Some embodiments are particularly directed to valve sets and/or valve interface mechanisms for controlling air, water, and/or suction flow through a valve well for an endoscopic system. Several embodiments are directed to user interface mechanisms and techniques for enabling an operator to interact with and control endoscope valves. Many embodiments are directed to mechanisms and techniques for translating interface input motion into valve control motions. In one or more embodiments, the valve sets and/or valve interface mechanisms may be disposable.

Abstract: A mounting device for an elastic tubular member includes a movable sleeve holding member, and arms each of which has one end swingably fixed to the movable sleeve holding member. The other end of each arm has a receiving portion whose state changes between a diameter-reduced state and a diameter-expanded state due to swinging of the arm. The movable sleeve includes a flange portion which constitutes a distal end surface, and includes pushing portions having different heights in a pushing direction. The receiving portions becomes the diameter-reduced state to mount the elastic tubular member on the receiving portions, and the receiving portions becomes the diameter-expanded state to expand the diameter of the elastic tubular member. By moving the movable sleeve after the diameter is expanded, the pushing portions disengage the rubber band from the receiving portions, and the elastic tubular member is mounted to an endoscope insertion portion.

Abstract: Precision control systems for tissue visualization and manipulation assemblies are described herein where such devices may utilize a variety of apparatus and methods for facilitating advancement, articulation, control, navigation, etc. of systems which may be used to visual and/or treat tissue regions. Additionally, methods and devices for enhancing navigation of the device through a patient body are also described.

Abstract: An endoscope including an optical assembly including a two-part lens barrel and accommodating a lens stack including lenses and spacers in fixed relationship with each other to transmit incident light onto an image sensor. A first lens barrel part includes an essentially tubular body having an inwardly extending ledge adapted to engage the lens stack and being surrounded by a first circumferential wall part having a first predetermined height. The lens stack includes a first abutment surface and a second abutment surface arranged at a distance from the first abutment surface. The distance is longer than the predetermined height of the first circumferential wall part.

Abstract: Optical system for implementation in an endoscope comprising: a most proximal lens with an optical axis, a proximal portion and a distal portion aligned parallel to the optical axis, an image sensor with an active surface containing an array of light sensitive pixels, and a reflective prism. The system is characterized in that the sensor image is placed orthogonal to the optical axis, with the active surface facing the reflective prism, wherein the proximal portion is smaller than the distal portion, wherein the proximal portion overlaps along a length of the image sensor parallel to the optical axis, wherein the distal portion overlaps with a height of the image sensor perpendicularly to the optical axis, and wherein the image sensor can be positioned at a focal position of the optical system.

Abstract: An endoscope includes a tube including a cable, an operation section connected to the tube, and a connector unit that connects the tube and the operation section. The operation section inserts the cable. The connector unit is movable between a first state and a second state to change a separation distance between a distal end of the tube and the operation section.

Abstract: Provided herein are multi-camera endoscopes having a handle and an elongated member mounted on the handle and extending distally therefrom, the elongated member includes a proximally positioned shaft a distally positioned tip component; and a linking element affixed on a proximal section thereof to the shaft and on a distal section thereof to the tip component. Further provided are systems including the same and methods of use thereof in medical procedures.

Abstract: An image pickup unit includes a three-dimensional substrate which includes a recess portion and an image pickup module which is installed in the recess portion, and the recess portion includes a first recess portion, a second recess portion which communicates with the first recess portion and which has a wider opening and a shallower depth than the first recess portion, and a third recess portion which is formed by providing a notch from a bottom surface of the second recess portion in a depth direction of the first recess portion.

Abstract: Provided is an endoscope tip or capsule endoscope comprising an illumination device configured to illuminate a scene; wherein the illumination device includes a first light source configured to emit light with a first spectral distribution and a second light source configured to emit light with a second spectral distribution; the first spectral distribution is different from the second spectral distribution; a clearance between the first light source and the second light source is smaller than twice a dimension among the dimensions of the first light source and the dimensions of the second light source; the clearance between the first light source and the second light source indicates the length of a shortest straight line segment which connects a point on the first light source with a point on the second light source.

Abstract: An exemplary endoscope may be provided with a first shaft, a second shaft and an image capture module. The first shaft may extend from a distal end of an endoscope body and may include a distal opening and a proximal opening. The second shaft may extend through an interior of the first shaft and may also include a distal opening and a proximal opening. The image capture module may be in operable communication with the endoscope body distal end. The endoscope may be configured to clear debris from the image capture module with suction when the second shaft proximal opening and first shaft proximal opening are in alignment. Methods of use are also disclosed.

Abstract: In certain embodiments, an ophthalmic system and computer-implemented method for analyzing multiple spectral information to generate ophthalmic information are described. In an exemplary ophthalmic system, multiple spectral information associated with an eye of a patient is captured via an imaging system. A first set of information and a second set of information are extracted from the multiple spectral information. A visualization of the multiple spectral information is generated using the first set of information. The first set of information and the second set of information are evaluated using different deep learning models to generate ophthalmic information. The ophthalmic information is sent to a user for diagnostic evaluation.

Abstract: A retina viewing system and method of using the same includes an ophthalmic microscope, a disposable lens attachment, and an electronic control unit (ECU). The microscope has an optical head and a set of internal focusing lenses, the latter providing the microscope with a variable working distance or focal length. The disposable lens attachment includes a resilient body with a proximal end connected to the optical head and a distal end connected to a high-power/high-diopter distal lens. The ECU executes instructions for viewing a retina or other intraocular anatomy of a patient eye. Execution of the instructions causes the ECU to automatically adjust the variable working distance or focal length of the microscope when viewing an image of the retina through the distal lens.

Abstract: A controller of an ophthalmic apparatus finely drives and roughly drives a drive unit of an optometry unit. In a case where a tilt operation of tilting the operation stick within a predetermined range is detected by an operation detection unit, the controller finely drives the drive unit by controlling the drive unit in response to the detected tilt operation, and finely changes a position of the optometry unit. In a case where at least one of a tilt operation of tilting the operation stick over a predetermined range and an operation of a rough movement operation unit is detected by the operation detection unit, the controller roughly drives the drive unit by controlling the drive unit in response to the detected operation, and roughly changes the position of the optometry unit.

Abstract: An ophthalmic apparatus includes an optical system having an illumination and imaging optical systems, a movement mechanism, and a controller. The illumination optical system may illuminate a fundus of a subject's eye with illumination light. The movement mechanism may relatively move the subject's eye and the optical system in an optical axis direction of the imaging optical system. When a corneal curvature radius is R and a distance from a corneal apex position to an imaging aperture conjugate position substantially conjugate optically to the imaging aperture is d, the controller may control the movement mechanism so that light amount of the returning light passing through the imaging aperture becomes less than when a distance in the optical axis direction between the imaging aperture conjugate position and a position of a corneal reflection image of the illumination light is (R/2?d).

Abstract: A device for measuring eye movement in a human subject comprises a housing, at least one stimulator mounted to the housing, and a sensor. The at least one stimulator is configured to provide stimulus to one or both eyes of the subject. The sensor is configured to collect information related to movement of one or both eyes of the subject. The device also includes a user interface that is configured to control the at least one stimulator and display information collected by the camera.

Abstract: Scopes for viewing interior chambers of the eye include a refractive hydrogel polymer button formed by femtosecond laser micro-machining. The refractive button is sandwiched between two transparent plates and mounted on an ocular adapted to be placed directly on the cornea. A physician may look directly through the scope to see anatomical structures at very steep angles within the eye, such as to function as a gonioscope when viewing the anterior chamber angle. The scopes can be modified for viewing a variety of anatomical structures within the eye, and can also be used in conjunction with treatments such as by guiding injections or laser procedures. The refractive button has at least one region with a wavefront pattern of linear steps formed therein. Multiple regions with different wavefront patterns provide the physician with greater flexibility. The refractive button may be rotated relative to the ocular to further customize the image.

Abstract: Laser-Speckle Contrast imaging apparatus configured to assess and quantify motion associated with an object and, in a specific case of an eye—retinal vascular anatomy and hemodynamics and generate substantially contrast-free maps of retinal blood flow over a wide field-of-view at up to 590 fps and under short exposure durations (>50 ?s), is applicable for diagnosis, study, and management of neurodegenerative conditions (i.e. mild cognitive impairment and Alzheimer's disease) and systemic cardiovascular diseases (i.e. athero- and arteriosclerosis, coronary artery occlusion, and hypertension). The apparatus employs a) a set of apertures substantially blocking light, delivered from a source of light to an illumination arm of the apparatus, from impinging onto an axial point of the front surface of the lens of the illumination arm, and b) polarization gating between the illumination and light-collecting arms of the apparatus.

Abstract: The ophthalmic workstation comprises a table having a top surface, a base unit mounted to the table, a microscope, and a headrest. The base unit includes an X-displacement stage, a Z-displacement stage, and a platform mounted to the X-displacement stage and the Z-displacement stage. The microscope is mounted to the platform. The table comprises an opening in its top surface. An embedded section of the base unit is located, at least in part, in this recess or opening. The headrest is mounted to a headrest section of the base unit, which projects laterally over an edge of the table.

Abstract: The present subject matter relates to a 3-dimensional (3D) imaging device (100) for imaging various structures of eye. The 3D imaging device (100) comprises a 3D viewing unit (102) detachably coupled to an eye imaging unit (104). An imaging module (103) may be placed in between the 3D viewing unit (102) and the eye imaging unit (104) for capturing images or videos of eye The eye imaging unit 104 comprises an imaging lens (106), an illumination module (108), a machine learning module (110), a control module (112), a processor (114), and a memory (116). The components of the eye imaging unit (104) are arranged in such a way that they are used for both slit lamp imaging and ophthalmic imaging of the eye.

Abstract: Introduced here are retinal cameras having optical stops whose size and/or position can be modified to increase the size of the space in which an eye can move while being imaged. In some embodiments, an optical stop is mechanically moved to recover retinal image quality as the subject shifts their eye. In some embodiments, an optical stop is digitally created using a pixelated liquid crystal display (LCD) layer having multiple pixels that are individually controllably. In some embodiments, multiple non-pixelated LCD layers are connected to one another to form a variable transmission stack, and each LCD layer within the variable transmission stack may be offset from the other LCD layers. In such embodiments, the optical stop can be moved by changing which LCD layer is active at a given point in time.

Abstract: A method comprises establishing communication between a therapy device implantable in a patient and a consumer electronic device operable by the patient. The method comprises controlling, by the consumer electronic device, a predetermined set of therapy device functions in response to patient inputs to the consumer electronic device. The method also comprises transmitting therapy data from the therapy device to the consumer electronic device. The method further comprises presenting therapy data on a display of the consumer electronic device.

Abstract: A disposable thumb light and a method of providing direct lighting for a medical procedure on a patient using a disposable thumb light is described. The disposable thumb light includes a housing, a light source, and at least one attachment configured to couple the disposable thumb light to a thumb of a user or a glove. The housing can include at least one flexible portion. The disposable thumb light can further include a flex responsive switch that is configured to move between at least a first position and a second position when the housing moves from a first housing position to a second housing position and energize or de-energize the light source in response. In the method of providing direct lighting for medical procedure, the disposable thumb light is coupled to a thumb of a user; the light source is energized by moving the thumb of the user from a first position to a second position; and the light source is de-energized by moving the thumb of the user from the second position toward the first position.

Abstract: A compact possibly all free-space line-field swept source OCT system with a tunable cat's-eye laser.

Abstract: The invention refers to a Raman spectroscopy probe, comprising an elongate body having a distal end and a proximal end, at least one Raman fibre within the elongate body for guiding light between the proximal end and the distal end, and an instrument lumen within the elongate body and extending between the distal end and the proximal end, wherein the instrument lumen is configured to receive an elongate instrument, wherein the at least one Raman fibre is arranged outside of the instrument lumen.