There is provided an online drip emitter that includes a check valve. The emitter uses a first diaphragm in the check valve and a second diaphragm spaced from the first diaphragm to provide pressure compensation. The second diaphragm communicates with a tortuous path and an outlet to regulate water emitting from the emitter depending on the supply pressure.

Flow through a sleeve is controlled with a housing. A removable frame is positioned within the housing. A removable, tubular rotational mechanism defines a hole for receiving the sleeve therein. A pair of arms are pivotally mounted on the rotational mechanism for squeezing the sleeve. An actuator drives the rotational mechanism to pivot the pair of arms to open and to close the sleeve.

A diaphragmatic elbow damper joining two angularly oriented channels and configured to seal the channels in the absence of fluid flow overcoming gravity and atmospheric pressure.

A diaphragmatic elbow damper joining two angularly oriented channels and configured to seal the channels in the absence of fluid flow overcoming gravity and atmospheric pressure.

Systems, methods and devices are provided for the automated centrifugal processing of samples. In some embodiments, an integrated fluidic processing cartridge is provided, in which a centrifugation chamber is fluidically interfaced, through a lateral surface thereof, with a microfluidic device, and wherein the integrated fluidic processing cartridge is configured to be inserted into a centrifuge for centrifugation. A cartridge interfacing assembly may be employed to interface with the integrated fluidic processing cartridge for performing various fluidic processing steps, such as controlling the flow of fluids into and out of the centrifugation chamber, and controlling the flow of fluids into the microfluidic device, and optionally for the further fluidic processing of fluids extracted to the microfluidic device. The integrated fluidic processing cartridge may include a supernatant chamber the extraction of a supernatant thereto, and a diluent chamber for diluting a suspension collected in the centrifugation chamber.

Systems, methods and devices are provided for the automated centrifugal processing of samples. In some embodiments, an integrated fluidic processing cartridge is provided, in which a centrifugation chamber is fluidically interfaced, through a lateral surface thereof, with a microfluidic device, and wherein the integrated fluidic processing cartridge is configured to be inserted into a centrifuge for centrifugation. A cartridge interfacing assembly may be employed to interface with the integrated fluidic processing cartridge for performing various fluidic processing steps, such as controlling the flow of fluids into and out of the centrifugation chamber, and controlling the flow of fluids into the microfluidic device, and optionally for the further fluidic processing of fluids extracted to the microfluidic device. The integrated fluidic processing cartridge may include a supernatant chamber the extraction of a supernatant thereto, and a diluent chamber for diluting a suspension collected in the centrifugation chamber.

A bite valve (100) comprises an outer barrel (105) of low-friction, soft but durable, laterally-compressible material and a rigid axially moveable inner stem (110). Closing the valve urges the distal face of a stem-mounted gasket (115) distally against the sharpened tubular proximal end of a barrel-embedded flanged rigid sleeve (120) through which fluid passes. The stem is continually urged distally by captive compression spring (140) which pushes proximally against sleeve (120) and distally against a cap (135) mounted on the stem's distal end. When a user bites the barrel's indented exterior bite zone (150), two opposing sides of a conical surface (155) inside the barrel contact and slidably urge the stem proximally, pulling the gasket away from the sleeve end, thereby opening the valve. After drinking, a user releases their bite, allowing the spring to again move the stem distally, pushing the gasket back into a (default) sealing condition pressed against the sleeve's sharpened proximal end.

A bite valve (100) comprises an outer barrel (105) of low-friction, soft but durable, laterally-compressible material and a rigid axially moveable inner stem (110). Closing the valve urges the distal face of a stem-mounted gasket (115) distally against the sharpened tubular proximal end of a barrel-embedded flanged rigid sleeve (120) through which fluid passes. The stem is continually urged distally by captive compression spring (140) which pushes proximally against sleeve (120) and distally against a cap (135) mounted on the stem's distal end. When a user bites the barrel's indented exterior bite zone (150), two opposing sides of a conical surface (155) inside the barrel contact and slidably urge the stem proximally, pulling the gasket away from the sleeve end, thereby opening the valve. After drinking, a user releases their bite, allowing the spring to again move the stem distally, pushing the gasket back into a (default) sealing condition pressed against the sleeve's sharpened proximal end.

A valve apparatus for a medical injection system includes a pinching member and at least one spring-loaded anvil. A tubing line of the injection system may be positioned between the pinching member and the anvil, such that when the pinching member is moved into a pinching position adjacent to the anvil, for example, by rotation of a shaft to which the member is coupled, the pinching member compresses the tubing line against the spring-loaded anvil. The pinching member is preferably rotatable about an auxiliary axis, which is eccentric, or offset from a central axis of the shaft. A spring member of the spring-loaded anvil is preferably pre-loaded. In certain applications, the pinching member, when moved into the pinching position, applies a pinching force of greater than approximately 45 pounds, for example, to prevent flow through the tubing line at an injection pressure of up to approximately 1200 psi.

A medical port includes a hub having a body forming a hub chamber for containing a fluid, and a proximal opening to the hub chamber for receiving a medical implement. The port also has a valve member, a first radial fluid channel, and a second radial fluid channel. The valve member is located within the hub chamber, has a radial portion, and closes the proximal opening when the medical port is in a closed mode. The first and second radial fluid channels are in fluid communication with the hub chamber when the medical port is in the closed mode. The radial portion of the valve member restricts fluid communication between the first radial fluid channel and the hub chamber when the medical port is in an open mode.