41 results about "Fluid shifting" patented technology

An apparatus includes a housing, a fluid reservoir, a flow control mechanism, and an actuator. The housing defines an inner volume and has an inlet port that can be fluidically coupled to a patient and an outlet port. The fluid reservoir is disposed in the inner volume to receive and isolate a first volume of a bodily-fluid. The flow control mechanism is rotatable in the housing from a first configuration, in which a first lumen places the inlet port is in fluid communication with the fluid reservoir, and a second configuration, in which a second lumen places the inlet port in fluid communication with the outlet port. The actuator is configured to create a negative pressure in the fluid reservoir and is configured to rotate the flow control mechanism from the first configuration to the second configuration after the first volume of bodily-fluid is received in the fluid reservoir.

The disclosure is directed to a system for managing fluid levels in liquid immersion cooling racks during the addition and / or removal of fluid displacing equipment. In some embodiments, the system is configured to determine expected fluid level changes based on the volume of fluid displacing equipment and a current fluid level of cooling tanks and / or reservoirs. Control commands are generated to actuate valves and pumps, ensuring fluid levels remain within operating setpoints to maintain coverage of remaining components and prevent overflow, in accordance with some embodiments. In some embodiments, temperature data is analyzed to evaluate the impact of fluid transfer on thermal requirements. In some embodiments, actual measurements from operations are stored to refine predictive models for future adjustments. In some embodiments, the system redistributes fluid. In some embodiments, program instructions automate fluid transfer operations among multiple immersion cooling racks simultaneously, ensuring consistent cooling performance across interconnected racks and reservoirs. In some embodiments an operator may be prompted to enter the quantity and models of heat producing equipment to be added or removed from the racks, the system may evaluate the various stores of fluid in the racks and reservoirs to determine whether the existing fluid stores, combined with intended additions and or deletions of heat producing equipment may be accommodated within the allowable limits of the system without need for ancillary addition or removal of fluid.

A robotic system and method are provided for transfer of fluid between a container accessible via a container-septum and a fluid transfer assembly accessible via a fluid transfer connector septum. The robotic system includes a controller and a manipulator controllable by the controller to manipulate at least one of the container and the fluid transfer assembly. The controller is configured to operate the manipulator to secure contact between the container-septum and the fluid transfer connector septum during at least a portion of the transfer of the fluid.

Turbomachine module, this module having a longitudinal axis (X) and comprising: a propeller (3) including a plurality of variable-pitch blades (30), a speed reducer (34), a blade pitch change system (50), a fluid transfer device (94) configured to supply fluid to the hydraulic actuator (52) of the pitch change system (50), this transfer device (94) comprising a stator portion (96) engaged in a rotor portion (97), and a mechanical linkage (99) connecting the stator portion (96) of the transfer device (94) to the planet carrier (38) of the speed reducer (34), and a fluidic linkage connecting a fluid inlet port (98a) of the transfer device (94) to fluid lines (95) configured to be connected to a fluid reservoir (91). Figure for the abbreviation: Figure 4

A robotic system and method for transferring fluid between a container accessible through a container septum and a fluid transfer assembly accessible through a fluid transfer connector septum is provided. The robotic system includes a controller and a manipulator controllable by the controller to manipulate at least one of the container and the fluid transfer assembly. The controller is configured to operate the manipulator to secure contact between the container septum and the fluid transfer connector septum during at least a portion of the transfer of the fluid.

A modular heat exchange assembly includes a cold plate defining a finned surface and a corresponding plurality of microchannels. Selected ones of the plurality of microchannel extend from a first end to an opposed second end. A fluid receiver unit defines an inlet port and a first fluid connector fluidically coupled with the inlet port. A fluid transfer unit defines an outlet port and a second fluid connector matingly engageable with and disengageable from the first fluid connector to fluidly couple the fluid receiver unit and the fluid transfer unit together. The fluid transfer unit defines a distribution manifold configured to distribute coolant among the selected microchannels at a position between the first ends and the second ends of the selected microchannels. The fluid transfer unit further defines a collection manifold configured to receive coolant from the selected microchannels. The collection manifold and the outlet port are fluidically coupled together.

A conveyer for a plurality of fluid transfer assemblies in a system for a pharmaceutical preparation allows suspended conveyance of one or more fluid transfer assemblies along at least one conveyance pathway such that at least one or each fluid transfer assembly freely hangs or is suspended from a holder element of a main conveyer body during movement of each fluid transfer assembly along the conveyance pathway. The conveyor may include first and second conveyor units or bodies that together provide an open access position and a restricted access position for the fluid transfer assembly. The conveyor may further provide a plurality of holder members configured to provide directional positioning of the fluid transfer connector relative to the holder members. The conveyor may be further movable along the Z axis in addition to conventional displacement of the conveyor through at least one of the X and Y axes.

A fluid transfer apparatus for transferring fluid from a bulk storage container to a secondary container, such as from a pail to a cartridge. The apparatus may include a vertical press and a modular follower plate. The modular follower plate may be affixed to the vertical press such that the vertical press can be operated to force the modular follower plate progressively farther down into the bulk storage container. The modular follower plate may include a secondary container seat upon which a secondary container is fitted for filling. The modular follower plate may include a through-hole that allows fluid disposed below the modular follower plate to be forced upwardly into the secondary container as the modular follower plate is press downwardly into the fluid with the bulk storage container. The modular follower plate may include a circumferential seal that engages the inner surface of the bulk storage container.

A medical fluid injection device, a medical fluid transfer device, and a method for administering and transferring medical fluids are disclosed. The device and method may include a compressed gas tank in fluid communication with an expandable elastic bladder positioned within a vial to provide a means of delivering a drug through an injection cannula that can be moved between multiple locations or through a transfer catheter.

A fluid reservoir for a fluid supply system for recirculating a droplet ejection head, the fluid supply system comprising: a fluid supply pump having a fluid supply connection fluidly connectable between the fluid reservoir and the droplet ejection head in order to transfer fluid from the fluid reservoir to the droplet ejection head; and a fluid return pump having a fluid return connection fluidly connectable between the droplet ejection head and the fluid reservoir to transfer fluid away from the droplet ejection head and into the fluid reservoir; wherein the fluid reservoir comprises: a tapered portion having a cross-section on a plane perpendicular to a main axis thereof; a fluid outlet through which fluid is supplied from the fluid reservoir to the droplet ejection head via the fluid supply pump; and a fluid return inlet through which fluid is received from the droplet ejection head via a fluid return pump into the fluid reservoir, the fluid return inlet having a central bore with a main axis; wherein the fluid return inlet is arranged at the cross-section on the tapered portion, and wherein an angle formed in a plane of the cross-section between a main axis of the bore of the fluid inlet and a tangent to the cross-section at a point where the cross-section intersects the main axis of the bore of the fluid return inlet is not equal to 90 DEG, such that, in use, the cross-section does not intersect the main axis of the bore of the fluid return inlet. A component of a flow direction of the fluid into the tapered portion is tangential to the cross-section to facilitate flow of the fluid around the tapered portion.

A liquid transfer device is disclosed comprising a first part and a second part, where the first part comprises a cylindrical main nozzle and the second part comprises another nozzle, said device comprising a rotating system for closing or opening a viscous liquid channel, the rotating system is configured by securing the second portion on the first portion.

The invention generally relates to a therapeutic garment for treating fluid overload in a patient by providing controlled stimulation of fluid transfer directly and non-invasively from an interstitial compartment of the patient through the skin of the patient.

The present invention discloses a closed fluid transfer system for use in the field of medical device technology. The system comprises an adapter, a container connection device, and a pressure supply device. The two ends of the adapter are respectively connected to the container connection device and the pressure supply device. The adapter comprises a housing, a dual-channel needle seat, and a guide sleeve. The housing has a cavity therein. The upper end of the dual-channel needle seat is connected to the guide sleeve, and the lower end face abuts against the support surface of the cavity. The upper end of the housing is connected to the guide sleeve. The dual-channel needle seat comprises a fluid channel and a gas channel. The fluid channel connects the fluid channel of the container connection device and the cavity of the pressure supply device. The gas channel is provided with an oil-blocking and breathable membrane at one end away from the container connection device that can prevent the ingress and egress of fluid and allow the ingress and egress of external gas. The other end of the gas channel is connected to the fluid channel of the container connection device. The closed fluid transfer system can smoothly complete the fluid transfer operation.

The invention relates to a multi-channel lower part (20) for a fluid transfer device (100). The multi-channel lower part (20) comprises: a housing (22) which contains multiple parallel channels (31-38) for receiving a fluid (40), wherein each channel comprises a cylinder (39) axially delimited by a displaceable piston (42), wherein an end portion of the displaceable piston (42) is received in a piston actuator (44) such that displacement of the piston actuator (44) causes the pistons (42) to each be displaced by the same distance. The housing (22) has a first receptacle (50) for a first support element (52), which contains a plurality of channels (31-38), and the housing (22) has a second receptacle (60) for a second support element (62), which contains a different number of channels (71-86) than the first support element (52). The first support element (52) and the second support element (62) are each reversibly detachably fixable in the housing (22).

A device for collecting a fluid sample from a fluid-containing consumable in a biological treatment system, the consumable having a tube fluidly connected thereto, the device comprising: a fluid connection portion configured to connect with the tube of the fluid-containing consumable and to pump fluid or air through the device; and an air input portion configured to allow sterile air to be provided to the device; a sampling portion connected to the fluid connection portion wherein, during pumping into the device, the sampling portion is configured to receive a fluid sample from the consumable via the fluid connection portion; the first end of the bypass pipe is connected with the fluid connecting part, the second end of the bypass pipe is connected with the air input part, and the bypass pipe is configured to receive air provided by the air input part and guide the air out of the device through the fluid connecting part without passing through the sampling part, so that fluid in a pipe connected to the consumable is cleared; and means for restricting fluid flow through each of the sampling portion and the bypass pipe such that fluid pumped into the fluid connection portion only enters the sampling portion and air pumped out of the fluid connection portion only passes through the bypass pipe.

A system is provided for evaluating the quality of a fluid process performed on a fluid, the fluid process including one of fluid suction and fluid dispensing. The system includes a pump; a probe; a connection, wherein a fluid path is formed at least partially through the connection between the pump and the probe; a pressure sensor in fluid communication with the fluid path and configured to sense a pressure of the pump during a fluid process, where pressure measurement data includes the pressure of the pump sensed during the fluid process; and a processor; and a memory including instructions executed by the processor.

Systems and methods are provided for transferring fluid between a container and a reservoir. In an embodiment, a system may include a container having an interior volume configured to hold a volume of fluid. An adapter may be associated with the container for providing fluid communication with the volume of fluid. A receiver may be configured to be fluidly coupled with a reservoir. The receiver may be configured to releasably engage the adapter, and may include a valve configured to be opened when the adapter is engaged with the receiver to allow fluid transfer between the container and the reservoir.

The invention relates to a fluid transfer system, a fluid transfer method and a biochemical substance analysis system.The fluid transfer system comprises a fluid storage module, a fluid using module, a fluid quantitative driving module and an air pressure control module, the fluid storage module is used for storing fluid, the fluid using module is provided with a flow channel, and the liquid inlet end of the flow channel is communicated with the fluid storage module; the liquid outlet end of the flow channel is communicated with the fluid quantitative driving module, and the fluid storage module is further communicated with the air pressure control module; the air pressure control module is used for providing pressure for the fluid storage module and enabling the liquid inlet end of the flow channel to maintain a positive pressure environment; the fluid quantitative driving module is used for generating driving force, so that the fluid in the fluid storage module is quantitatively transferred to the flow channel. The fluid transfer system is simple in structure and low in cost, the risk of gas precipitation in fluid can be reduced, the quality of biochemical reaction can be improved, meanwhile, the flow speed of the fluid can be more flexibly regulated and controlled, and it is guaranteed that the liquid passing amount in a flow channel is consistent every time.

Systems and methods for the transfer of medical fluid are provided. A medical fluid transfer system may comprise a pump configured to transfer fluid through a tube assembly having a first connector configured to couple to a source container and a second connector configured to couple to a target container. The medical fluid transfer system may also comprise a destination sensor configured to output information about the target container. The medical fluid transfer system may further comprise a control system configured to operate the pump based on an operational setting associated with fluid volume; receive measurement data representing a measurement of the target container by the destination sensor, and adjust the operational setting based on an observed volume of fluid transferred to the target container.

The invention relates to a multi-channel lower part (20) for a fluid transfer device (100), comprising: - a piston actuator (40) for simultaneously moving a plurality of pistons (75), - a plurality of receiving volumes (80, 81, 82, 83, 84, 85, 86, 87), arranged parallel to one another, for a fluid, the receiving volumes (80, 81, 82, 83, 84, 85, 86, 87) each being delimited by one of the pistons (75), - a housing (22) with a spring chamber (15) for receiving a spring (52) for the piston actuator (40) and with a receiving chamber (17) for receiving the plurality of receiving volumes (80, 81, 82, 83, 84, 85, 86, 87) for receiving a fluid, - a contacting region (60) in which the multi-channel lower part (20) can be connected at or in the spring chamber (15) to an upper part (12) of a liquid transfer device (100), wherein - a first guide (54) for the piston actuator (40) or a component (56, 58) connected to the piston actuator (40) is formed in the spring chamber (15), and wherein - a second guide (68) for the piston actuator (40) or a component (102, 104) connected to the piston actuator (40) is formed on an inner side of the housing (22) facing the receiving chamber (17). The invention also relates to a fluid transfer device (100) having such a multi-channel lower part (20).

A fluid transfer device for transferring a fluid between a diluent container and a medicament container includes a body, a first connecting portion to connect to the diluent container, and a second connecting portion to connect to the medicament container. The first connecting portion includes a first fluid channel to fluidically communicate with an interior of the diluent container, and the second connecting portion comprises a second fluid channel to fluidically communicate with an interior of the medicament container. A third fluid channel is configured to fluidically communicate with the interior of the medicament container and with a pump device. The first fluid channel merges into the second fluid channel to form a first flow path from the diluent container into the medicament container and to form a second flow path from the medicament container into the diluent container.

A fluid transfer apparatus includes a control device configured to determine whether or not a structure is in a clogged state, using a physical quantity obtained from a motor and correlated with a pressure loss in a fluid passage, At least one of a transfer section or the fluid passage is configured to make a proportion of a disturbance to the physical quantity small.

The invention provides a recovery tank, a fluid transfer control method of the recovery tank, and an inertia valve operation method for suppressing fluid surge in the recovery tank. The recovery tank comprises a first fluid cavity, a second fluid cavity, a fluid passage and an inertia valve; the fluid passage is used for connecting the first fluid cavity and the second fluid cavity; the inertia valve is used for controlling the opening degree of the fluid passage and comprises a valve plate, the valve plate can move between a first position and a second position, when the valve plate is located at the first position, the inertia valve allows fluid of a first flow flowing through the fluid passage to transfer from the first fluid cavity to the second fluid cavity, and when the valve plate is located at the second position, the inertia valve allows fluid of a second flow flowing through the fluid passage to transfer from the first fluid cavity to the second fluid cavity. The inertia valve allows a second flow rate of fluid flowing through the fluid passage to divert from the second fluid chamber to the first fluid chamber, where the first flow rate is greater than the second flow rate.

A fluid conveying system and method, and a gene sequencer. The fluid conveying system comprises a fluid storage module, a first working module, and a second working module. The fluid storage module is used for storing a plurality of fluids. The first working module comprises a fluid selection assembly and a first power assembly, and the second working module comprises a second power assembly. At least one of the first working module and the second working module is selectively communicated with a fluid utilization system. The fluid selection assembly is used for selecting one fluid from the fluid storage module, and the power assembly is used for driving the selected fluid to be transferred to the fluid utilization system. The second power assembly is used for driving another fluid in the fluid storage module to be transferred to the fluid utilization system.

The invention discloses a closed fluid transfer system which is applied to the technical field of medical instruments and comprises an adapter, a container connecting device and a pressure supply device, the two ends of the adapter are connected with the container connecting device and the pressure supply device respectively, the adapter comprises a shell, a double-channel needle seat and a guide outer sleeve, and a cavity is formed in the shell; the upper end of the double-channel needle seat is connected with the guide outer sleeve, the lower end face of the double-channel needle seat abuts against the supporting face of the cavity, the upper end of the shell is connected with the guide outer sleeve, and the double-channel needle seat comprises a fluid channel and a gas channel. One end, far away from the container connecting device, of the gas channel is provided with an oil-resistant breathable film capable of preventing fluid from entering and exiting and allowing external gas to enter and exit, and the other end of the gas channel is communicated with the fluid channel of the container connecting device. The closed fluid transfer system can smoothly complete fluid transfer operation.