47 results about "Fluidics" patented technology

The embodiment of the invention discloses a high-voltage box heat dissipation control method, electronic equipment and a storage medium, and the method comprises the steps: determining a heat dissipation demand and related fan operation parameters based on the heating characteristics and working condition data of internal components of a high-voltage box; constructing a dynamic airflow model of an internal flow channel of the high-pressure tank, and optimizing a flow channel structure and airflow distribution of the high-pressure tank based on a fluidics principle; according to flow characteristics and structural strength requirements of the high-voltage box, hole opening parameters and a machining process are determined, and the high-voltage box is machined through the machining process according to the hole opening parameters; and verifying the heat dissipation effect of the processed high-voltage box through the constructed multi-physical field coupling model, generating a heat dissipation verification effect, and dynamically adjusting heat dissipation control parameters corresponding to the high-voltage box based on a heat dissipation verification result. According to the high-voltage box heat dissipation control scheme provided by the invention, the heat dissipation efficiency of the high-voltage box can be effectively improved, the reliability and safety of equipment operation are enhanced, and heat dissipation requirements under different working conditions are met.

A robotic medical system for performing a vascular procedure includes a remote system and a local system. The local system includes one or more computing devices, a robotic drive system in communication with the one or more computing devices, the remote system located remotely from the robotic drive system, a fluidics system in communication with the one or more computing devices, and a plurality of interventional devices at least partially arranged in a concentric nested configuration, each of the plurality of interventional devices being independently moveable along a common axial direction by the robotic drive system, wherein one or more of the plurality of interventional devices are in fluid communication with the fluidics system. The local system is configured to receive first information from the remote system, determine movement control signals for moving the plurality of interventional devices based on the first information, and provide the movement control signals to the robotic drive system for independently moving one or more of the plurality of interventional devices. The local system is also configured to receive second information from the remote system, determine fluidics control signals from the second information, and provide the fluidics control signals to the fluidics system for independently providing one or more fluids and / or vacuum to one or more of the plurality of interventional devices.

A cell processing system, fluidics cartridge, and methods for using actuated surface-attached posts for processing cells are disclosed. Particularly, the cell processing system includes a fluidics cartridge and a control instrument. The fluidics cartridge includes a cell processing chamber that has a micropost array therein, a sample reservoir and a wash reservoir that supply the cell processing chamber, and a waste reservoir and an eluent reservoir at the output of the cell processing chamber. A micropost actuation mechanism and a cell counting mechanism are provided in close proximity to the cell processing chamber. A method is provided of using the cell processing system to collect, wash, and recover cells. Another method is provided of using the cell processing system to collect, wash, count, and recover cells at a predetermined cell density.

The invention discloses a remote valve closing and locking mistaken opening prevention system based on an intelligent safety AI valve, and relates to the technical field of fluid control valves. The system comprises an intelligent sensing layer, a local decision-making layer and a cloud collaboration layer; the method comprises the following steps: constructing an AI valve network virtual model, integrating multiple groups of sensor data to obtain multi-modal data, acquiring an AI valve evaluation value in real time by utilizing a local decision-making layer, determining whether to generate a valve closing locking request according to the AI valve evaluation value, and constructing a three-channel parallel data transmission architecture. The cloud collaboration layer carries out fluid simulation and generates a visual display result when receiving the valve closing locking request, and an operator decides whether valve closing locking is carried out or not and carries out upstream and downstream linkage control; the valve closing error rate is reduced through multi-modal data fusion and AI valve network virtual model simulation, communication reliability is guaranteed through three data transmission channels, and accurate valve closing locking and accident range control are achieved through dynamic threshold adjustment.

A system and method for advancing a portion of a fluid in a first microfluidics card includes establishing a timed sequence of pressure condition events, each pressure condition event in the sequence creating one or more pressure differentials for either imparting to the portion of the fluid a moving force in which the portion is moved from a first to a second location, or establishing an equilibrium in which a position of the portion remains stationary. In certain embodiments, a fluidics processing unit is described. It includes a microfluidics card having an inlet line, an outlet line, and one or more microchannels in fluid communication with the inlet and outlet lines. It also includes at least one pressure source for driving fluid in the inlet and outlet lines, and a controller for actuating the at least one pressure source in a timed sequence of steps to selectively advance at least a portion of the fluid to one or more targeted locations through the microchannels.

A fluidic acoustic coupling system configured for management of fluids in histotripsy therapy is provided, which may include any number of features. Provided herein are systems and methods that provide management and control of fluid delivery and drainage of reservoirs within a fluidics cart of a histotripsy system. Additional embodiments are provided herein.

The invention discloses a microfluidic pre-focusing chip, and belongs to the technical field of microfluidics, the chip comprises a piezoelectric substrate, an interdigital transducer and a micro-cavity, the micro-cavity is bonded on the piezoelectric substrate, the micro-cavity comprises a main cavity channel, two ends of the main cavity channel are respectively provided with at least one sample input port and at least one sample output port, and the main cavity channel is connected with the interdigital transducer. The interdigital transducers are arranged on the piezoelectric substrate, located on the two sides of the main cavity channel respectively and arranged in the direction perpendicular to the flowing direction of a sample in the main cavity channel, the microcavity further comprises side cavity channels distributed on the two sides of the main cavity channel, filling liquid injection ports are formed in the side cavity channels, filling liquid is a liquid photocurable material, and the filling liquid injection ports are communicated with the main cavity channel. Meanwhile, the invention further discloses a design, manufacturing and application method of the chip, and the two-stage functions of pre-focusing and concentration can be effectively achieved under the sheath flow-free condition.

The invention relates to the technical field of fluid calculation, and discloses a gas release simulation calculation method, device and equipment for a pressure pipeline, and the method comprises the steps: building a constant flow initial model of the pressure pipeline; setting a gas-liquid two-phase flow initial condition, and calculating a gas-liquid two-phase flow parameter under the initial condition by using a bubble uniform distribution model; establishing a gas-containing gas-liquid two-phase flow finite volume method calculation equation; establishing a gas-liquid two-phase phase change gas release mathematical model, and calculating a gas phase mass change value by using the gas-liquid two-phase phase change gas release mathematical model; presetting a bubble average radius, and iteratively calculating a physical quantity; according to the method, a gas release equation is introduced, the limitation that single-phase flow and gas-liquid two-phase flow do not have low-pressure environment calculation conditions is broken through, the simulation calculation accuracy is improved, a simulation application scene is expanded from a gas-liquid two-phase flow high-pressure environment single-phase flow to a gas-liquid two-phase flow low-pressure environment complex working condition, and the simulation accuracy is improved. And a simulation calculation application scene is added.

The utility model relates to a jet flow type wind and rain simulation integrated device, relates to injection device field. Jet flow type wind and rain simulation integrated device includes bottom support, connects the connecting flange in bottom support top, is detachably connected through the bolt along the circumferential interval arrangement and is connected in the support seat of connecting flange top, connects the rotary seat in support seat top, connects the U shape's fan support in rotary seat top, can rotate and be connected in the fan of fan support along vertical plane, annular shower pipe and water pump connected in bottom support, and the outlet of shower pipe and fan is coaxial arrangement and is connected, and the inner wall of shower pipe is equipped with a plurality of shower holes along its circumferential interval arrangement, and the water inlet of water pump is connected with the water inlet pipe, and the water outlet of water pump is connected shower pipe through the water outlet pipe equipped with flow control valve, and the water outlet pipe is equipped with heater. Jet flow type wind and rain simulation integrated device can simulate the test of unmanned plane under different air temperature wind and rain environment, can increase the authenticity of different season training environment simulation.

A robotic medical system for performing a vascular procedure includes a remote system located remotely from a local system. The local system includes a robotic drive system and a fluidics system system in communication with one or more computing devices, and a plurality of atleast partially concentric interventional devices each independently moveable along a common axial direction by the robotic drive system, wherein one or more of the plurality of interventional devices are in fluid communication with the fluidics system. The local system is configured to receive first information from the remote system and determine movement control signals for the robotic drive system based on the first information. The local system is also configured to receive second information from the remote system and determine fluidics controls signals for the fluidics system providing one or more fluids and or vacuum to the plurality of interventional devices based on the second information.

Various examples are provided related to nanoparticle synthesis. In one example, a system includes a self-driven fluidics platform including a chemical handling module and a reactor module. A mixer can form an initial mixture and deliver it through the ejector port as part of a segmented flow. The reactor module can control environmental conditions during synthesis of a nanoparticle. A flow reactor includes a channel that allows the segmented flow to move through the flow reactor via the channel and at least one observation window to enable real-time characterization of nanoparticles in individual droplets in the segmented flow through the flow reactor. In another example, a method comprises forming and flowing a segmented flow of droplets into a reactor, measuring a target property of nanoparticles in droplets in the segmented flow, and adjusting formation of droplets added to the segmented flow based upon the measured target property.

A device for use by an individual for sexual pleasure varying in form, i.e. shape, during its use and allowing for the user to select multiple variations of form either discretely or in combination and for these dynamic variations to be controllable simultaneously and interchangeably while being transparent to the normal use of the device, including the ability to insert, withdraw, rotate, and actuate the variable features manually or remotely. According to embodiments of the invention localized and global variations of devices are implemented using fluidics and electromagnetic pumps / valves wherein a fluid is employed such that controlling the pressure of the fluid results in the movement of an element within the device or the expansion / contraction of an element within the device.

Disclosed is An automated liquid chromatography system (100) comprising: a housing unit (20); and multiple modular fluid handling units (1-26), having a fluidics section, wherein the housing unit (20) comprises, on an external surface of the housing unit a plurality of discrete receiving positions, each receiving position being adapted to receive one of the modular fluid handling units (1-26) therein such that a respective fluidics section thereof is external to the housing unit, wherein a fluid flow path is formed by fluidic interconnections between the modular fluid handling units, wherein the modular fluid handling units: are readily interchangeable in the housing unit, such that positioning of the modular fluid handling unit with respect to other modular fluid handling units permits optimization of the fluid flow path; and include a CPU for independently performing fluid control operations in response to instructions over a system BUS (42) connected to said modular units arranged in the housing.

The application relates to a micro-fluidic chip and application thereof, and belongs to the technical field of micro-fluidics. The micro-fluidic chip comprises a bottom plate layer and a cover plate layer in sealing cooperation with the bottom plate layer, a rotation center at the center of a circle is arranged on the bottom plate layer, and a sample pool, a transition flow channel, a detection unit, a balance flow channel and a waste pool are sequentially connected; the detection unit comprises a transition pool, a first flow channel, a first reaction pool, a second flow channel, a second reaction pool and a third flow channel which are sequentially connected; the transition flow channel and the balance flow channel are arranged around the rotation center; the transition flow channel is closer to the rotation center than the balance flow channel; and the detection unit is arranged in a region between the transition flow channel and the balance flow channel. A sample adding hole and a detection hole are arranged on the cover plate layer; the sample adding hole is located in correspondence with the sample pool; and the detection hole is located in correspondence with the second reaction pool. The micro-fluidic chip only needs to be matched with a simple mechanical structure, and can quickly complete nucleic acid RPA amplification and CRISPR accurate detection of various nucleic acid molecules including pathogenic bacteria under constant temperature by utilizing centrifugal force.

The application discloses a valve type micro-fluidic chip, and belongs to the field of micro-fluidics, which comprises a main body, the main body is provided with a storage area and a detection area, the main body is further provided with a first communication port and a second communication port, the first communication port is communicated with the storage area, the second communication port is communicated with the detection area, the valve type micro-fluidic chip further comprises a rotary valve, the rotary valve is provided with a communication groove, the rotary valve is rotatably installed on the main body, when the rotary valve rotates to a first position, the communication groove is communicated with the first communication port and the second communication port, so that the storage area is communicated with the detection area; when the rotary valve rotates to a second position, the communication groove is staggered with the first communication port and / or the second communication port, the storage area is disconnected with the detection area, through the above design, the on-off of the storage area and the detection area can be controlled by rotating the rotary valve, the operation is simple, and the overall structure of the chip is simple.

The present disclosure relates to a fluidics system with vacuum sampling. The fluidics system comprises a flow cell, a sampling subsystem, a sheath subsystem, a waste subsystem and a compressed air subsystem. The sampling subsystem is coupled with an inlet of the flow cell and provides sample fluid to the flow cell. The sheath subsystem is coupled with the inlet of the flow cell and provides sheath fluid to the flow cell. The waste subsystem is coupled with an outlet of the flow cell, and the sheath fluid and the sample fluid are discharged from the waste subsystem after passing through the outlet of the flow cell. The compressed air subsystem is coupled with the sheath subsystem and provides compressed air to the sheath subsystem. Further provided are a sample processor and a method for controlling a sample flow rate in the sample processor according to the present disclosure. The fluidics system, the sample processor and the method for controlling the sample flow rate in the sample processor according to the present disclosure can achieve significantly improved control accuracy.

Fluidics assemblies for transferring fluids with a medical instrument include a connection assembly, a suction conduit, a fluid delivery assembly, and a fluid valve. The fluid valve is actuatable to control the flow of fluid with the medical instrument. Robotic medical systems include the fluidic assemblies with a medical instrument. The systems can also include a robotic drive system and an input device to command the robotic drive system.

An apparatus includes a reaction vessels coupled to an electronic sensor for monitoring a reaction product in the reaction vessel; a fluidics system for sequentially delivering a plurality of reagents to the reaction vessel, the fluidics system including a plurality of reagent reservoirs in fluidic communication via a plurality of flow paths with a fluidics circuit and to a common passage in fluidic communication between the fluidics circuit and the reaction vessel, a solution reservoir in fluidic communication with the common passage via a branch passage connected with the common passage at a junction between the fluidics circuit and the reaction vessel; and an electrode in contact with a solution within the branch passage, the electrode being in electrical communication with the reaction vessel through fluid extending from the branch passage and through the common passage, the electronic sensor generating an output signal depending on a voltage of the electrode.

The present invention relates to an integrated centrifugal device and method for analyte processing, particularly for the separation, enrichment, labeling, and analysis of nanovesicles such as extracellular vesicles (EVs). The device leverages a compact, rotatable substrate to execute multi-step assay protocols that may include chromatographic separation, centripetal fluid transport, immuno-capture, and protein labeling, all under low-speed centrifugal conditions. The device architecture enables automated, hands-free operation without requiring ultracentrifugation or specialized personnel. Fluidic modules including sedimentation, chromatography, displacement, and multiple assay chambers may be functionally integrated through a series of valves, channels, and immiscible liquid-based displacement mechanisms, facilitating precise sample handling, minimal loss, and multiplexed analysis.

Systems and methods are disclosed for measuring fluid pressure in an ophthalmic surgical system. An example system comprises a fluid flow path and a pressure sensor system for measuring pressure in the fluid flow path. The pressure sensor system comprises a conductive, movable diaphragm having a first side and a second side, the first side of the diaphragm facing the fluid flow path, and an eddy current position sensor positioned on the second side of the diaphragm without contacting the diaphragm. The eddy current position sensor comprises a position sensor coil activatable by high frequency alternating current and signal conditioning electronics capable of sensing inductance or impedance or resonant frequency variation in the position sensor coil as a gap between the diaphragm and the position sensor coil changes and of translating that variation into a displacement signal correlated to fluid pressure. A method of measuring fluid pressure may be performed using one or more of the systems described herein.

The handle of the endoscope may include a main body portion defining a first chamber having a first feature configured to support a first component of the steering assembly; and a second chamber having a second feature configured to support at least one fluid component (or fluidics component) or electronic component (or circuit board).

The invention provides a coupled jet flow quality detection device, a coupled jet flow quality detection method, a coupled jet flow quality detection system and a computer readable storage medium. The quality detection device for the coupling jet flow comprises a light-transmitting workpiece simulation piece which is located at the cross section position of the coupling jet flow; the first sensor is positioned below the light-transmitting workpiece simulation piece and is used for analyzing the light beam quality of the coupled jet flow; and the second sensor is positioned obliquely above the light-transmitting workpiece simulation piece and is used for acquiring image and / or video data of the coupled jet flow. According to the quality detection device for the coupling jet flow, the quality state of the light-water-gas coupling jet flow can be effectively detected, so that the situation that a machined workpiece is scrapped due to the stability problem of the coupling micro jet flow is avoided, the machining efficiency is improved, and losses generated by machining are reduced.

A flowrate-controlled microfluidic system, microfluidic devices for on-cartridge bioanalysis, and an immunoassay method are described. The flowrate-controlled microfluidic implements automation code to run an immunoassay workflow with accurate metering. Methods may include one or more fluidics operations or steps defined by the software code, including loading, incubation, washing, and analysis of assay samples at a sensor region, such as an optical sensor region to be analyzed by an optical imaging system or instrument.

Errors in an analyzer fluidics system may be detected using systems and methods which involve obtaining a plurality of pressure measurements while a vacuum is being applied to a tube used to remove fluid from a container. These measurements may then be provided to a classification module, and the classification module may determine a status output as either a normal status output, or one of a set of error status outputs.

The invention relates to a device (10) for a valve (20, 30) in process fluidics, comprising: a sealing element (100) which interacts with a movable shut-off body (32) of the valve (20, 30) or which itself provides said shut-off body, and which comprises a plurality of functional regions (110, 120); at least one electrically conductive elastomer portion (200), which is associated with the sealing element (100) and which is at least partially assigned to one of the plurality of functional regions (110, 120); and an operating unit (300), said operating unit (300) being designed to operate said conductive elastomer part (200).

Systems for monitoring fluidics in reagent cartridges and related methods. An apparatus includes a system includes a reagent cartridge receptacle and a flow cell assembly. The apparatus includes a reagent cartridge receivable within the reagent cartridge receptacle and adapted to carry the flow cell assembly. The reagent cartridge includes a reagent reservoir fluidically coupled to the flow cell assembly. The apparatus includes a sensor module adapted to be positioned adjacent the reagent reservoir. The sensor module is adapted to generate a signal associated with a volume of reagent contained within the reagent reservoir.

The present invention discloses a hyperbolic extrusion-type guide fluid mechanics air outlet structure, comprising a wind shell with a preset air outlet trajectory, an air inlet provided on the wind shell, a wind wheel arranged at the air inlet, an air outlet section provided on the wind shell, the air outlet section being located at the end of the air outlet trajectory of the wind shell, the air outlet section being provided with a closing part and an expansion part in sequence with respect to the air outlet direction, the end of the expansion part forming an air outlet port to optimize the air outlet effect.

This invention discloses a shaftless pump-jet mixing and conveying liquid preparation tank, belonging to the field of liquid preparation tank technology. It includes: a tank body and a lower head disposed at the bottom of the tank body; a shaftless pump-jet agitator disposed at the bottom of the lower head, comprising: a guide tube disposed at the lower head, the guide tube communicating with the inner cavity of the tank body through the lower head, the guide tube having a liquid outlet; a drive source and a stirring impeller, both installed inside the guide tube, the drive source located around the stirring impeller and the two connected by magnetic coupling for non-contact drive; when the stirring impeller rotates forward, it pumps the material in the lower head upward to the tank body for mixing; when the stirring impeller rotates in reverse, it pushes the material in the inner cavity of the tank downward to the liquid outlet for outward conveying. This application combines the outstanding advantages of shaftless motor propulsion technology with the low noise of pump-jet technology, which can both leverage the fluid dynamics advantages of pump-jet technology and eliminate shaft noise, thus having broad development prospects.

The present application relates to the technical field of gas explosion protection, and particularly relates to a jet field analysis method, a coordinate positioning method and a system based on mobile guide rail technology. The present application is based on the space axis symmetry theory and the boundary wave theory of gas leakage jet field, combined with remote control mobile technology and precise leakage field concentration testing technology, and proposes a jet field analysis method based on mobile guide rail technology; to realize accurate positioning, high reliability, without human intervention, thus reducing the experimental cost and improving the safety; can effectively avoid the existing technology, which generally adopts experimental test or data simulation, has a large deviation, low reliability and weak guiding significance for the actual scene; the analysis results are effectively used in the actual application of gas jet, to provide effective accident prevention measures for gas leakage, and to accurately obtain the jet field information at the same time of the accident, to determine the related information of the leakage point, and to timely and effectively position and rescue.

A process water analysis sampling assembly includes an immersion probe having a first filter unit and a second filter unit which are fluidically separated from each other, a flushing liquid tank, and a fluidics control. The fluidics control includes a pump arrangement which is fluidically connected to each of the first filter unit and the second filter unit, at least two liquid pumps which are arranged to be mutually independent from each other, and a valve arrangement having plurality of switchable valves. The fluidics control controls a sampling and a flushing of the immersion probe. The fluidic control fluidically connects the flushing liquid tank to one of the first filter unit and the second filter unit and simultaneously connects an analysis unit to the other one of the first filter unit and the second filter unit.