Abstract: Methods and systems for supplying gas and water to an endoscope system. An illustrative container and tube set may comprise a container configured to contain a fluid and having a bottom portion and a top portion, a lens water supply tube including a first end, a second end, and a first lumen extending therethrough, a gas supply tube including a first end, a second end, and a second lumen extending therethrough, a port positioned adjacent to the top portion of the container, and a flexible tube including a first end coupled to the top portion of the container, a second end, and a third lumen extending therethrough. The third lumen of the flexible tube may be configured to be in selective fluid communication with the interior of the container.

Abstract: Methods and systems for refilling a container during an endoscopic procedure. An illustrative reservoir may be placed in selective fluid communication with a water bottle. The water bottle may form a fluid tight seal with the reservoir to transfer water from the water bottle to the reservoir.

Abstract: Devices, systems, and methods for connecting tubes to an endoscope. A connector for connecting tubing, such as gas/lens wash tubing, to fluid ports of an endoscope may include a first end that couples with the tubing and a second end for engaging fluid ports of an endoscope. The connector may have a stabilizing component configured to facilitate securing the second end to the endoscope. In some cases, the connector may include a device coupling member configured to couple to the endoscope and a core structure adding stability to the device coupling member and configured to couple to the tubing. In some cases, the stabilizing component may include an actuator and a retention component that adjusts in response to actuation of the actuator.

Abstract: Exemplary embodiments of the present disclosure relate to devices, systems, and methods for tissue resection in a body lumen of a patient, and may include an endoscope and a backstop delivery device extendable through the endoscope. The backstop delivery device may deliver a backstop to a location of selected tissue for resection. A backstop may include a covering being deployable in a patient. The covering may have one or more anchoring mechanisms disposed on an edge of the covering. A tissue resecting device may be extendable through the endoscope for resecting the selected tissue for resection. The covering may be deployable to an outer surface of the body lumen, such that the anchoring mechanism may secure the covering to the outer surface of the body lumen and the covering may expand to cover the selected tissue for resection.

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: According to one aspect, a fastening device may include a coupling body having (1) a portion configured to couple to a distal end of a medical device, (2) a cartridge holder, and (3) an anvil pivotably coupled to the cartridge holder. The cartridge holder and the anvil may extend distally from the portion and may be configured to extend distally of a distalmost face of the medical device when the portion is coupled to the distal end of the medical device. A flexible member may be configured to extend through a channel of the medical device. A fastener cartridge may be coupled to a distal end of the flexible member, including at least one fastener, and may be configured for releasable coupling to the cartridge holder.

Abstract: A suture device for use in combination with a delivery system including a lumen extending through the delivery system includes a needle usable to carry a suture, a distal shuttle configured to releasably secure the needle, a sleeve disposable over the distal shuttle, the distal shuttle movable relative to the sleeve between a locked position in which the needle is locked to the distal shuttle and an unlocked position in which the needle is releasable from the distal shuttle. The suture device includes a distal assembly including an elongate tool guide movable between a deployment configuration in which the elongate tool guide is substantially parallel with the distal assembly and a working configuration in which the elongate tool guide curves away from the distal assembly.

Abstract: Medical devices and methods of using medical devices are disclosed. An example tissue retraction device includes a first engagement member having a first end and a second end, a second engagement member having a first end and a second end, a first elastic member attached to the second end of the first engagement member, and a first alignment member having a first end, a second end and a lumen extending therethrough. Further, the tissue retraction device has a first length, the first alignment member has a second length, the first elastic member extends within the lumen of the first alignment member and the second length of the first alignment member is less than or equal to the first length of the tissue retraction device.

Abstract: Methods and systems for refilling a container during an endoscopic procedure. An illustrative container may comprise a container configured to contain a fluid, a water supply tube including a first end, a second end, and a first lumen extending therethrough and in fluid communication with the bottom portion of the container, a gas supply tube including a first end, a second end, and a second lumen extending therethrough and in operative fluid communication with container, a manifold configured to couple the water supply tube and the gas supply tube to the container and including a first end positioned interior to the container and a second end positioned exterior to the container, and a port positioned adjacent to the top portion of the container. The port may be configured to be in selective fluid communication with an interior of the container.

Abstract: Methods and systems for refilling a container during an endoscopic procedure. An illustrative container may comprise a container configured to contain a fluid within a first receptacle thereof, the container movable between a collapsed storage configuration and an expanded use configuration, a lens water supply tube including a first lumen extending therethrough, the first lumen is in fluid communication with the first receptacle of the container, a gas supply tube including a second lumen extending therethrough, the second lumen is in operative fluid communication with the first receptacle, and a port positioned adjacent to the top portion of the container. The port may be configured to be in selective fluid communication with the first receptacle of the container.

Abstract: Methods and systems for redirecting a flow of air/gas to flush fluid channels. An illustrative container and tube set for redirecting a flow of air may include a container, a water supply tube including a first lumen extending therethrough, a gas supply tube including a second lumen extending therethrough, a manifold including a first inlet for receiving air, a second inlet for receiving fluid from the container, a first air outlet, and a second fluid outlet, and a valve positioned within the manifold. When the valve is in a first configuration, the first inlet is in fluid communication with the first air outlet, and the second inlet is in fluid communication the second fluid outlet and when the valve is in a second configuration, the first inlet is in fluid communication with the second fluid outlet.

Abstract: Methods and systems for coupling a tube set to an endoscope. An illustrative adaptor for coupling a tube set to an endoscope may include a planar head portion having at least one aperture, at least one floating cylinder extending from a proximal end at least partially disposed within the at least one aperture of the planar head portion to a distal tip and having a first lumen extending therethrough, at least one O-ring positioned at the distal tip of the at least one floating cylinder, and at least one biasing element disposed about an outer surface of the at least one floating cylinder and extending from a first end adjacent the at least one aperture of the planar head portion to a second end proximal to the distal tip of the at least one floating cylinder.

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: 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: 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: The present disclosure relates generally to fluorescent imaging devices, systems, and methods for an endoscopic procedure, and in particular, indocyanine green (ICG) fluorescence. In some embodiments, a device for fluorescent imaging during an endoscopic procedure may include an attachment connectable to a distal end of an endoscope. The attachment may include a first filter alignable with a light source of the endoscope, and a second filter alignable with an imaging device of the endoscope. The first filter may be positionable such that in a first position the first filter is aligned with the light source, and in a second position the first filter is out of alignment with the light source. The second filter may be positionable such that in a first position the second filter is aligned with the imaging device, and in a second position the second filter is out of alignment with the imaging device.

Abstract: A suture device for use in combination with a delivery system including a lumen extending through the delivery system includes a needle usable to carry a suture, a distal shuttle configured to releasably secure the needle, a sleeve disposable over the distal shuttle, the distal shuttle movable relative to the sleeve between a locked position in which the needle is locked to the distal shuttle and an unlocked position in which the needle is releasable from the distal shuttle. The suture device includes a distal assembly including an elongate tool guide movable between a deployment configuration in which the elongate tool guide is substantially parallel with the distal assembly and a working configuration in which the elongate tool guide curves away from the distal assembly.

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 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: In one example, a medical system may comprise a delivery tube configured to couple to a vacuum source and provide negative pressure to a distal portion of the delivery tube; and a porous body at a distal portion of the delivery tube, the porous body including a first section and a second section removable from the first section.