Abstract: A roller cooking apparatus evenly cooks food while requiring minimal, if any, user intervention. The roller cooking apparatus includes a removable cooking chamber that can be rotated while heat is applied to cook food placed therein. The roller cooking apparatus can include a plurality of pre-programmed cooking modes and may also be manually programmed to set any of a plurality of parameters. These parameters can include cooking temperature, rotation speed, chamber angle, steam retention or exhaust, cooking time and the like. The design of the inner chamber may vary, including solid walled chambers, ventilated chambers, chambers with inner paddles, or the like. The resulting roller cooker can cook a variety of foods in a single step and may even include a feature of automatically opening its lid to deliver cooked food to a serving dish, for example.

Abstract: A grill module for a cooktop in a kitchen has a removable grease tray which collects the grease created by use of the grill module in grilling food. The grease is directed to the grease tray by a combination of burner cover(s), grease divertor(s), and angled surfaces on the grill module housing. The one-piece removable grease tray permits quick and easy removal of collected grease and retains the grease in a place where it cannot be heated to its flashpoint.

Abstract: A grill including an upper shell and a lower shell is provided. The lower shell defines an opening there-through, and the upper shell and the lower shell together define a cooking chamber. A pellet burner is adapted to fit in the opening in the lower shell. The pellet burner includes an air duct having a first end and a second end. The first end is positioned outside of the lower shell and the second end is positioned inside of the lower shell when the pellet burner is fitted in the opening in the lower shell. The pellet burner includes a fan positioned to blow air through the air duct and through the second end of the air duct, and a pellet box configured to hold a plurality of pellets. An auger moves the pellets to a position adjacent the second end of the air duct that contains a hot rod.

Abstract: An infrared temperature equalizing device and a grill thereof having a first vertical plate, a first folded plate, a second vertical plate, and a second folded plate. The first folded plate is connected with the second folded plate to form a cover. The first vertical plate and the second vertical plate form a wall. The wall and the cover form a heat aggregation chamber for hot air aggregation and circulation, which has a closed top and a bottom opening with a longitudinal depth. The temperature equalizing device achieves heat aggregation, temperature rising, and temperature equalizing. Through infrared and convection heating, the grill can heat food evenly and roast the food quickly.

Abstract: A gas fryer and associated methods of cooking food products are disclosed. The gas fryer includes an infrared burner and a fry pot including an interior casing defining a cooking chamber, with the interior casing including a bottom wall and opposing sidewalls that extend upwardly from the bottom wall. The opposing sidewalls include lower, central, and upper sidewall panels that are angled from one another to define a tapered profile that narrows towards the bottom wall. The tapering of a well defined at a lower chamber portions of the cooking chamber allows for a shallow depth at this portion of the fry pot and easy visibility and access for cleaning. Furthermore, the opposing sidewalls and a rear end wall of the interior casing include heat exchange fins on an external surface.

Abstract: A grinding device for grindable products includes movable and fixed grinding assemblies. The movable grinding assembly includes a rotationally integral casing and a grinder including a grinding cone with a grinding surface. The fixed grinding assembly includes a counter-grinder and a coupling member. The casing includes a cylindrical jacket and is closed at one end, including openings for dispensing a ground product. The counter-grinder has a hollow cylindrical body with an inner grinding surface. The grinder is inserted into the hollow cylindrical body of the counter-grinder to allow the respective grinding surfaces to cooperate. The coupling member includes an open ended cylindrical body connecting with the container and an adjustment portion cooperating with the casing for adjusting the movable grinding assembly with respect to the fixed grinding assembly. The grinder and the counter-grinder are substantially rigid, and the casing and the coupling member are substantially flexible.

Abstract: A grinder assembly which minimizes deviations in the path of ground material as well as other interfering structure is provided. A receiving chamber is disposed above a grinding mechanism and provides for direct transfer of material to be ground from the outlet aperture of the receiving chamber to the grinding mechanism. The grinding mechanism is driven from above and, therefore, no other structure necessary which may interfere with the ejection of grounds from the grinder assembly. A vacuum-stabilized base plate may also be provided in order to securely and removably mount the grinder assembly to a surface.

Abstract: A coffee bean grinder includes a grinding apparatus, a hopper, a receptacle, and an electrical ground contact. The hopper is arranged with respect to the grinding apparatus for feeding coffee beans to the grinding apparatus. The receptacle is for receiving coffee beans that have been ground by the grounding apparatus. The receptacle includes an electrically conductive material and is removable from a location where the receptacle is arranged to receive ground coffee beans from the grinding apparatus. The electrical ground contact is electrically connected with ground and is positioned with respect to the grinding apparatus such that when the receptacle is arranged to receive ground coffee beans from the grinding apparatus, the electrically ground contact contacts the receptacle.

Abstract: A portable manual grinder has a driving section, a grinding section and a discharging section coaxially connected from top to bottom. The driving section has a drive shaft that drives a central axis of the grinding section. The drive shaft is connected to a gear set that increases the gear ratio to facilitate manual grinding. The grinding section comprises an upper grinding section and a lower grinding section that are coaxially disposed and mated together. The upper and lower grinding portions include corresponding blades extending therefrom. The bottom section of the lower grinding section has one or more holes in communication with the discharge section. The driving section and the upper grinding section are magnetically attracted and connected to each other and the upper grinding section and the lower grinding section are magnetically attracted and connected to each other.

Abstract: A food preparation system is provided. The food preparation system includes a slicing apparatus configured to host a plurality of different food items simultaneously and govern which of the ingredients are to be sliced.

Abstract: A panhandle cover made of a heat-resistant material including leather is generally of a longitudinally-split tubular configuration with its longitudinal split having the converging flanks overlapping one inside the other. The nature of genuine leather enables the flanks to conform to any pan-handle as it wraps around the handle. The flexibility of the leather cover adapts to the handle with conformity to the handle-configuration through use.

Abstract: A baby bath-support device comprises a frame having a generally rigid body. The rigid body is adapted to be positioned on a surface of a bathing tub or sink. The frame has an opening in the upper portion. The opening comprises a peripheral edge. The opening also comprises a support panel made of a flexible material. The flexible material defines a concave support surface to support a baby laid thereon during bathing. The support panel contains perforations to allow fluid to flow through the support surface. The frame opening also comprises a connection arrangement between the frame and the support for hanging the support panel at the peripheral edge. The support panel is hung to the frame to partially cover the opening.

Abstract: An extendable shower seat. The extendable shower seat includes a chair having a back portion and a seat portion, wherein the back portion is perpendicularly affixed to a rear side of the seat portion. A frame is affixed to the lower side of the seat portion and a plurality of legs are affixed to the frame. A pair of sidewalls are each pivotally affixed to opposing lateral sides of the seat portion about a hinge, wherein the pair of sidewalls can pivot about the hinge when a button disposed on the hinge is actuated, and remain locked in the selected position when the button is released.

Abstract: A special shaped stud attachment for holding a panel liner into place has surfaces for attaching to metal studs, surfaces for holding the pan liner, and a liner holding pocket that holds the liner under the level of the wall material.

Abstract: Liquid product pump devices, systems, and methods of using the same. An exemplary system of the present disclosure comprises a device, comprising a pump mechanism coupled to a receiving tube whereby a distal end of the receiving tube extends into a skirt, wherein when the skirt is attached to a neck of an bottle having liquid contents therein and wherein when the device rests within or upon a pump base, pressing the inverted bottle and the pump base toward one another causes a portion of the liquid contents to transfer from the inverted bottle and out of the pump base, and further comprises the bottle and the pump base.

Abstract: A foam dispenser includes a housing, a drive motor, and a foam pump. The foam pump includes a pump housing, and a molded multi-chamber diaphragm. The molded multi-chamber diaphragm includes a liquid pump diaphragm having a liquid pump stem and two or more air pump chambers each having an air pump stem. The length of the liquid pump stem is longer than the air pump stem. The foam pump further includes one or more outlet valves, a mixing chamber, an outlet for dispensing foam wherein the outlet is in fluid communication with the foam cartridge; and an actuator for sequentially actuating the liquid pump chamber and the two or more air pump chambers, wherein there is lost motion between the actuator and the liquid pump diaphragm.

Abstract: A combined toothpaste tube and additional item (e.g., a medicine package) holder includes a body having a base and first and second walls extending upwards, in parallel, from the base forming a slot in communication with a channel. Top edges of the walls flare outwards away from each other to form resilient, convex tube compression members that face each other within the slot. A key having a handle and a shaft is provided within the channel to wind a bottom end of a collapsible tube of toothpaste disposed between the compression members within the slot. As the handle of the key is rotated, the bottom end of the tube is wound onto the shaft allowing the compression members to engage the outer surface of the tube to dispense toothpaste from the top opening of the tube. At least one spring clip is attached to the base of the holder for retaining and displaying an item, such as a medicine package.

Abstract: A method and device for non-abrasively cleansing and exfoliating skin in combination with a cleansing solution. A cylindrical housing comprises a base for engagement with a fluid source and a vacuum source and a skin interface positioned on an end opposing the base and configured to contact and traverse a surface of the skin. The skin interface comprises non-abrasive, or rounded, smooth surfaces for contacting the skin. A combination of variable cleansing fluid delivery to the tip and vacuum pressure removal cleanses and exfoliates skin tissue or debris.

Abstract: Toilet paper includes a cylindrical paper tube, and belt-shaped paper wound around the paper tube as a core. Floral-note or fruity-floral-note fragrance is applied to the paper tube. The fragrance is a modification fragrance which, in a toilet space, modifies a fecal odor containing at least methyl mercaptan and hydrogen sulfide. An application amount of the modification fragrance is at least 0.4 mass % but no more than 6 mass % to the paper tube of the toilet paper.

Abstract: A paper quantity detection device, which evaluates remaining paper quantity cyclically, is power-efficient, and reduces manual confirmation time and cost, includes a circuit board, two infrared detection components, a wireless signal emitting component and a control component. The two infrared detection components are disposed on two opposing sides of the circuit board, respectively. The infrared detection components each include an infrared emitter and an infrared receiver. The wireless signal emitting component is disposed on the circuit board. The control component is disposed on the circuit board, signal-connected to the infrared emitter, infrared receiver and wireless signal emitting component, and adapted to controllably cause the wireless signal emitting component to emit a wireless signal according to a signal condition of the infrared receiver.

Abstract: A toilet includes a body, a lid assembly, and a hinge assembly. The body includes a bowl and a body top surface. The body top surface is contiguous with the bowl. The lid assembly includes a lid. The lid is configured to cover the bowl. The hinge assembly is operable between a first position and a second position. The hinge assembly includes a mounting base coupler, a lid coupler, a first hinge member, and a second hinge member. The mounting base coupler is coupled to the body top surface. The lid coupler is coupled to the lid. The first hinge member is coupled to the mounting base coupler and the lid coupler. The second hinge member is coupled to the mounting base coupler and the lid coupler. The lid covers the bowl when the hinge assembly is in the second position.

Abstract: A cleaner includes: a suction unit; a suction motor that generates suction force for sucking air through the suction unit and includes an impeller; a dust separation unit that includes one or more cyclone units generating cyclonic flow to separate dust from air flowing inside through the suction unit; a dust container that stores dust separated by the dust separation unit and is disposed under the suction motor; a battery disposed behind the dust container to supply power to the suction motor; and a handle disposed behind the suction motor, wherein a rotational axis of the impeller and an axis of the cyclonic flow vertically extend and an extension line from the rotational axis of the impeller passes through the one or more cyclone units.

Abstract: A mobile robot includes a body, a driving system connected to the body and configured to drive the mobile robot move on ground, a detecting module supported by the body and a controller received in the body. The detecting module includes a light source emitting light towards the ground, and a light sensor configured to obtain characteristic information and a shutter value of an image of the ground. The controller is configured to adjust the intensity of the light source according to the characteristic information of the image and monitor conditions of the ground according to the shutter value, which can accurately detect conditions of the ground and prevent misjudgment of the mobile robot.

Abstract: The present application relates to a vacuum cleaner head (10). The vacuum cleaner head (10) includes a housing (40) having a vacuum extraction zone (49), and first and second rollers (20, 30) configured to locate against a surface to be cleaned (60). Each of the first and second rollers (20, 30) is able to pick-up detritus from the surface to be cleaned (60) when they rotate and move over the surface (60) and to carry detritus to the vacuum extraction area (49) in the housing (40). In accordance with the present invention, the first roller (20) is rotatable when moved along the surface to be cleaned (60) in a first direction and restricted from rotating when moved in an opposing second direction. The second roller (30) is rotatable when moved along the surface to be cleaned (60) in the second direction and restricted from rotating when moved in the first direction. The present application also relates to a vacuum cleaner comprising the vacuum cleaner head (10).

Abstract: A surface cleaning apparatus comprising a cleaning head and a brushroll. The cleaning head includes a cleaning head body having an agitator chamber including an opening on an underside of the cleaning head body. The brushroll is rotatably mounted to the cleaning head body such that a portion of the brushroll extends below the underside for directing debris into the opening. The brushroll includes an elongated body extending laterally between a first and second end region, a slit opening extending between the first and second end region, angular stationary teeth extending proximate to an edge of the slit opening, and a cutting blade configured to be at least partially received within the slit opening and to move laterally between the first and second end regions. The cutting blade bar includes teeth that are configured to engage with the stationary teeth to cut hair.

Abstract: A cleaning mechanism for clearing a cleaning roller of a cleaner. The cleaning mechanism includes: a cleaning roller for cleaning ground, a clearing component operating to clearing the cleaning roller, and a power unit. The clearing component includes a rotation body and a plurality of clearing elements disposed on the rotation body for clearing a surface of the cleaning roller. The power unit operates to drive the rotation body and the clearing elements to rotate along with the cleaning roller in the same direction. During the rotation of the cleaning roller, the trash is cleared by the clearing elements.

Abstract: A handle for a cleaner according to the present disclosure includes: an extension tube connector that is connected to an extension tube; an air flow pipe that communicates with the extension tube connector to transfer air and dusts that is received from the extension tube connector; a grip part that is to be held by a user; and a grip part connector that connects the extension tube connector and the grip part to each other and is rotated with respect to the air flow pipe, wherein the grip part is rotated together with the grip part connector and the extension tube connector, and the grip part is rotated with respect to the central line of the extension tube connector.

Abstract: The disclosure relates to a sweeping robot and a cleaning device. The sweeping robot includes: a flexible roller for cleaning the ground, a roller motor for driving the flexible roller to rotate, a pressing member for deforming the flexible roller to press out sewage. Clean water in the clean water sink flows through the clean water hole to the flexible roller. The sweeping robot further includes a sewage sink. The sewage sink is provided with a sewage hole is adjacent to the pressing member. The pressing member deforms the flexible roller, causing sewage to be pressed out of the flexible member and flow through the sewage hole into the sewage sink. The sewage sink is separated from the clean water sink. The cleaning device of the present invention has strong cleaning ability, and the flexible roller is easy to clean.

Abstract: A dishwasher includes a tub, a spray arm, a sump, a pump body, the pump body including a partition between first and second chambers, a communication hole in the partition that communicates with the first and second chambers, a pump flow path that connects the sump to the first chamber, an arm flow path that connects the spray arm to the second chamber, an impeller in the second chamber, a heating unit to heat water in the first chamber, a steam flow path that connects the first chamber to the tub, a connection flow path that connects the steam flow path to the arm flow path, and a flow path valve configured to close the steam flow path based on water being supplied to the connection flow path, and to open the steam flow path based on a lack of water being supplied to the connection flow path.

Abstract: A dishwasher includes: a spray module which sprays washing water toward dishes; a sump which supplies washing water to the spray module; a pump which pumps washing water stored in the sump to the spray module; and an air jet generator which receives a part of washing water pumped from the pump to form an air bubble in washing water and discharges the air bubble to the sump, wherein the air jet generator comprises: a decompression portion which decreases a pressure of washing water; an air suction portion which is opened to allow air to flow into the decompression portion; a pressing portion which increases pressure so as to crush the air introduced from the air suction portion; and an air tap which has a plurality of holes configured to crush the air contained in washing water that passed through the pressing portion.

Abstract: A dishwashing appliance includes a tub defining a wash chamber. An inlet is defined in the tub and provides air flow into the wash chamber. An air handler selectively urges air through the inlet in one of a first direction and a second direction different from the first direction. The air flows from the inlet and through the wash chamber of the tub along a first defined path when the air handler urges air through the inlet in the first direction, and the air flows from the inlet and through the wash chamber of the tub along a second defined path when the air handler urges air through the inlet in the second direction.

Abstract: The present disclosure relates to a modular mat system. More particularly, the disclosure is directed to a modular mat system with that may be built out using common pieces of mats. Specifically, a modular mat system with a mat piece with a top plate with inserts, a bottom plate with a plurality of tabs and recesses operative to engage with further mat pieces to build a mat system is discussed. The modular mat system is operative to remove water and other detritus from shoes of a user or other such platform moving across the mat system and feed it to a perimeter drain below the system.

Abstract: In order to acquire height information regarding a subject disposed on the internal surface of an elongated tubular member, an image processing apparatus according to the present disclosure, includes a processor the processor including hardware and configured to perform the steps of receiving a first image and a second image acquired from a subject using an optical system having a field of view in a direction of at least about 90° to a central axis of the optical system, the first image acquired at a first position, the second image acquired at a second position, the second position different from the first position along the central axis; and calculating a distance between the subject and the central axis of the optical system, based on a distance between the first position and the second position, and based on the corresponding points in the third image and in the fourth image.

Abstract: The present specification is directed towards endoscopes, such as colonoscopes, that provide a broader field of view and allow extended access of surgical tools and also enable efficient packing of all necessary elements in the tip section, while maintaining their functionality. Also described are methods and systems for capturing and displaying still and video images using an endoscope corresponding to a left-side looking, a front-looking and a right-side looking viewing element of an endoscopic tip generated in a native aspect ratio.

Abstract: A monitoring system for reprocessing a surgical instrument, where the monitoring system includes: a fluid line provided for supplying a fluid to the surgical instrument, the fluid line being configured to be connected to the surgical instrument; and a fluid line connection for connecting the fluid line to the surgical instrument; wherein the fluid line connection is configured to close an electrical contact in the case of a functional connection of the fluid line to the surgical instrument.

Abstract: A visual system for laparoscopy comprising a visual device having a visual head member and an elongated connector; a manipulation device having a handheld operation portion, an insertion portion and a first contact element; and an external device comprising means to communicate with the vision head member, via the first contact element, when the elongated connector is mounted in an lumen of the insertion portion. The insertion portion of the manipulation device is configured to be extendable out from a body cavity through an airtight passage whereby the elongated connector is configured to be slidably mounted into the lumen of the insertion portion outside of the body cavity upon the insertion portion is withdrawn into the body cavity.

Abstract: A cable connection structure includes: a substrate including a first core wire connection electrode, a second core wire connection electrode, and a shield connection electrode; a single-wire cable including a first core wire, and an insulant; at least two coaxial cables each including a second core wire, an inner insulant, a shield, and an outer insulant, wherein the second core wire, the inner insulant, and the shield are exposed in a step-by-step manner at a distal end portion, and the second core wire and the shield are respectively connected to the second core wire connection electrode and the shield connection electrode; and a conductive member connecting exposed portions of the shields. The conductive member is disposed directly on an upper surface of the insulant, and connects the shields on the shield connection electrode and/or a position closer to a proximal end side than the shield connection electrode.

Abstract: The present disclosure is directed to an augmented reality surgical system. The system includes an endoscope that captures an image of the region of interest of a patient and an ECG device that records an ECG of the patient. A controller receives the image and applies at least one image processing filter to the image. The image processing filter includes a decomposition filter that decomposes the image into frequency bands. A temporal filter is applied to the frequency bands to generate temporally filtered bands. An adder adds each band frequency band to a corresponding temporally filtered band to generate augmented bands. A reconstruction filter generates an augmented image by collapsing the augmented bands. The controller also receives the ECG and processes the augmented image with the ECG to generate an ECG filtered augmented image. A display displays the ECG filtered augmented image to a user.

Abstract: There is provided a control device including: an autofocus control section configured to execute an autofocus operation by moving at least one optical member; and an autofocus operation determination section configured to determine whether it is possible for the autofocus operation to bring biological tissue into focus, the biological tissue serving as an object. In a case where the autofocus operation determination section determines that it is not possible for the autofocus operation to bring the object into focus, the autofocus control section moves the at least one optical member to a predicted focal position set in advance in accordance with a purpose of imaging to make it possible to further improve convenience of a user.

Abstract: There is provided a medical imaging apparatus including a solid-state image sensor that includes a photoelectric converter having at least two photoelectric conversion layers stacked with respect to a light-receiving surface and separating received light into light of different wavelength bands and circuitry configured to control a light source device that illuminates a subject.

Abstract: An illumination light guiding device includes a phosphor layer that is disposed on another surface opposite to one surface of a board, and converts the wavelengths of a plurality of light beams transmitted through the board and incident on one surface of the phosphor layer, and an emission-side fiber including a plurality of optical fibers that are provided so as to be erected side by side on another surface opposite to one surface of the phosphor layer, each optical fiber guiding a different one of the plurality of light beams having wavelengths converted by the phosphor layer.

Abstract: A cavity illumination system according to the present disclosure may include one or more illumination elements composed of a transparent or semi-transparent, biocompatible sterilizable polymer and one or more illumination sources. The sterilizable polymer operates as a waveguide. An illumination element may incorporate micro structured optical components such as for example gratings, prisms and or diffusers to operate as precision optics for customized delivery of the light energy. The micro structured optical components may also be used to polarize and/or filter the light energy entering or exiting the illumination element.

Abstract: The present specification describes a system and method for computing the temperature of the tip of a multiple viewing elements endoscope based on a measurement of junction temperatures of light emitting diode (LED) illuminators inside the tip. The measurement of temperature is used for taking corrective action if the temperature exceeds a limit. The temperature measurement is used for optimizing image parameters, as the performance of image sensors is affected by changes in ambient temperature.

Abstract: A battery-powered medical device comprising an outer housing having an opening formed therein, at least one power source housed within the outer housing, which is configured to at least partially enclose the power source so as to prevent contamination of the power source with biohazardous materials, and the power source being removable from the outer housing via the opening, a cover configured to cover the opening in the outer housing and to retain the power source within the outer housing, and an actuator provided within the outer housing that engages with a portion of the power source when the cover covers the opening, wherein the actuator is configured to physically remove the power source from the outer housing and the outer housing is configured to release the power source via the opening without requiring physical contact between the user and the power source.

Abstract: A system, method and computer program product for estimating future axial elongation of an individual's eye as a way to predict and track refractive error progression of an individual. The method includes: receiving, via a computer interface, data relating to refractive change in a prior pre-determined time period for the individual from a reference timepoint; receiving data representing an age of the individual and data representing a current axial length value of the eye as measured at the reference timepoint; calculating, by said processor, a future axial elongation of the eye as a function of the age of the individual, the current axial length value of the eye as measured at the reference timepoint, and the refractive change in the prior pre-determined time period; generating, an output indication of said computed axial elongation of the eye, and using said output indication to select a myopia control treatment for said individual.

Abstract: The invention generally relates to devices that demonstrate the function of ophthalmic lenses that modify human color perception and to methods and devices that simulate color vision deficiency or color blindness.

Abstract: A ophthalmic apparatus may include: a first light source configured to output first light to be irradiated to an anterior segment of a subject eye; and a second light source configured to output second light to be irradiated to a retina of the subject eye. The apparatus may be configured capable of executing a first examination using the first light reflected from the anterior segment and a second examination using the second light reflected from the retina. A wavelength of the second light outputted from the second light source may be smaller than a wavelength of the first light outputted from the first light source.

Abstract: A system for identifying structures in an eye of a subject. In embodiments of the invention, the system has a housing; a visible light source supported by the housing; an infrared light source supported by the housing; a photodetector supported by the housing; a patient interface disposed on an outer surface of the housing arranged and configured so that, when the patient interface is placed in contact with the subject, the subject's eye is aligned with the light sources and the photodetector such that the light sources illuminate an iris of the eye at an angle between 15° and 30° and such that the photodetector receives light from the light sources reflected by the iris; and a controller configured to activate the visible light source and the infrared light source and to obtain image information from the photodetector.

Abstract: Provided is a system includes: an image forming portion 161, which forms an image related to the imaging of the eye to be inspected E, based on return light of measuring light from the eye to be inspected E; a display control portion 162 which performs control to display the image formed by the image forming portion 161 on a display portion 180; and an area setting portion 163, which sets one of imaging areas, a first imaging area, which is a specified rectangular area, and a second imaging area, which is narrower than the specified rectangular area and includes a curved part based on a maximum imageable area determined based on the focus adjustment performed by the focus adjusting unit 134, as an imaging area of the eye to be inspected E, according to the maximum imageable area.

Abstract: A method and apparatus for surface scanning in medical imaging is provided. The surface scanning apparatus comprises an image source, a first optical fiber bundle comprising first optical fibers having proximal ends and distal ends, and a first optical coupler for coupling an image from the image source into the proximal ends of the first optical fibers, wherein the first optical coupler comprises a plurality of lens elements including a first lens element and a second lens element, each of the plurality of lens elements comprising a primary surface facing a distal end of the first optical coupler, and a secondary surface facing a proximal end of the first optical coupler.