265 results about "Fluid management" patented technology

A fluid management system for use in a tissue resection procedure includes a controller. An inflow pump is operated by the controller and configured to provide fluid inflow through a flow path to a site in patient's body. An outflow pump is operated by the controller and configured to provide fluid outflow through a flow path from the site in patient's body. A motor driven resecting device may be provided for resecting tissue at the site. The controller is configured to actuate an inflow pump and an outflow pump in response to various signals and various algorithms are provided to provide malfunction warnings and assure safe operation.

A fluidics management system includes a cassette configured to receive saline from a saline source, receive contrast from a contrast source, and receive vacuum from a vacuum source. The cassette includes a plurality of saline connectors, each of the plurality of saline connectors configured to couple to one of a plurality of catheters to provide saline thereto, a plurality of contrast connectors, each of the plurality of contrast connectors configured to couple to one of the plurality of catheters to provide contrast thereto, and a plurality of vacuum connectors, each of the plurality of vacuum connectors configured to couple to one of the plurality of catheters to provide vacuum thereto.

A CSF management method for use with a patient forms a closed loop CSF circuit between two points on the patient's body. The CSF circuit has a therapeutic inlet to receive a therapeutic material (e.g. a drug), and a pump having a pump outlet to direct CSF along the CSF circuit. The method controls the pump to direct CSF from the pump outlet at a CSF rate that is different from the natural flow rate (i.e., the natural CSF flow rate). The therapeutic material is added to the CSF via the therapeutic input at a therapeutic rate. The CSF rate is different than the therapeutic rate and / or may be greater than the therapeutic rate. Alternative methods may control a bolus drug infusion to localize the application to a target region.

Controlling a dilution rate of mixed chemical dispensed by a fluid management system at a vehicle wash location involves, receiving, by a control system comprising a processor, flow rate data from at least one flow meter coupled to a chemical line of at least one mixing site. In response to the received flow rate data, using the control system to cause at least one metering device to adjust a flow rate of chemical passing through the chemical line. The control system further causes at least one integrated valve of a fluid delivery manifold to dispense motive fluid from a fluid outlet of said fluid delivery manifold. The control system controls an effective orifice area at least one of a valve orifice of the integrated valve or of the chemical line to thereby control the dilution rate.

A CSF management method for use with a patient forms a closed loop CSF circuit between two points on the patient's body. The CSF circuit has a therapeutic inlet to receive a therapeutic material (e.g. a drug), and a pump having a pump outlet to direct CSF along the CSF circuit. The method controls the pump to direct CSF from the pump outlet at a CSF rate that is different from the natural flow rate (i.e., the natural CSF flow rate). The therapeutic material is added to the CSF via the therapeutic input at a therapeutic rate. The CSF rate is different than the therapeutic rate and / or may be greater than the therapeutic rate. Alternative methods may control a bolus drug infusion to localize the application to a target region.

A fluid management system including a fluid management console and an associated graphical user interface (GUI) is disclosed. In some instances, the GUI includes a series of start-up screens including a fluid priming screen prompting a user to select between a quick set-up mode and a step-by-step setup mode in order to complete a priming procedure of the fluid cassette, the GUI includes a plurality of medical procedure mode screens including a first mode for use of the fluid management system with a pressure sensing endoscope and one or more modes for use of the fluid management system with an endoscope without a pressure sensor, and / or the GUI includes a screen to input and / or set intraluminal pressure limiter settings into the controller with a confirmation window requiring a multiple step confirmation process to confirm that the input / set intraluminal pressure limiter settings are acceptable.

A two-phase fluid management system may include a sealed container and a mobile condenser that moves within the sealed container. The sealed container may include: a plurality of input ports, each for receiving a two-phase fluid as a vapor from a corresponding one of a plurality of IT cabinets; and a plurality of output ports, each for returning the two-phase fluid as a liquid to a corresponding one of the plurality of IT cabinets. The mobile condenser may be coupled to an actuator or include an actuator to move the mobile condenser to a corresponding one of a plurality of positions within the sealed container. When the mobile condenser is moved to the corresponding one of the plurality of positions, an air inlet and an air outlet of the mobile condenser may form a sealed connection with a pair of condenser ports.

A fluid management module having a support including at least one channel for the flow of a refrigerant fluid. The support bearing at least one component with a fluidic function such as an expansion member or a refrigerant valve. The fluid management module includes at least one main two-fluid heat exchanger arranged to allow heat exchange between the refrigerant fluid and a heat-transfer fluid. The support is assembled with the heat exchanger so as to form at least one sealed connection for the refrigerant fluid flowing between the channel of the support and the main two-fluid heat exchanger.

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.

Embodiments of the present disclosure provide a detergent dispenser device and methods of systems related thereto. Dispensers of the present disclosure comprise a container with side walls, a base, and a lid. The dispensers and methods of use described herein are operable to store and contain a cleaning agent, allow fluid to be applied to the agent to create a cleaning solution, and further facilitate drying and fluid management.

The invention relates to the technical field of medical care, and discloses a heart failure patient noninvasive liquid management nursing system which comprises a data acquisition module used for acquiring biomarkers of a heart failure patient and analyzing a body fluid state change rule of the heart failure patient; the body fluid state monitoring module is used for measuring impedance values of different parts of the heart failure patient and analyzing the evolution trend of the retention condition of the liquid retention part; the risk state identification module is used for analyzing the heart failure severity of the heart failure patient; the risk control module is used for generating illness condition guidance suggestions of the heart failure patient, constructing a risk early warning mechanism of the heart failure patient and creating a health management system of the heart failure patient; and the liquid management module is used for analyzing the liquid management effect of the heart failure patient in combination with a health management system, illness condition guidance suggestions and a risk early warning mechanism so as to execute liquid management processing of the heart failure patient and obtain a liquid management result. The pertinence and effectiveness of liquid management nursing of the heart failure patient can be improved.

A surgical fluid management system includes a console defining a cassette bay and a cassette, including a fluid line extending therethrough, configured for insertion into the cassette bay of the console. The console includes a sensor disposed adjacent the cassette bay configured to detect a position of the cassette relative to the cassette bay to enable selective locking or unlocking of the cassette within the cassette bay. Additionally or alternatively, the console includes cassette bay electronics configured to obtain encoded information from the cassette.

A CSF management method for use with a patient forms a closed loop CSF circuit between two points on the patient's body. The CSF circuit has a therapeutic inlet to receive a therapeutic material (e.g., a drug), and a pump having a pump outlet to direct CSF along the CSF circuit. The method controls the pump to direct CSF from the pump outlet at a CSF rate that is different from the natural flow rate (i.e., the natural CSF flow rate). The therapeutic material is added to the CSF via the therapeutic input at a therapeutic rate. The CSF rate is different than the therapeutic rate and / or may be greater than the therapeutic rate. Alternative methods may control a bolus drug infusion to localize the application to a target region.

本发明实施例公开了一种基于蛋白质组学的脓毒症休克患者液体管理策略预测方法。所述方法包括：收集脓毒症休克患者的血浆样本，检测蛋白质标志物的表达水平，所述蛋白质标志物为GAL、NFASC、MICB_MICA、MAP2K6、JCHAIN和CSF3的组合；基于亚组识别模型计算效益得分，获得脓毒症休克患者的液体管理策略结果。本发明通过收集脓毒症休克患者的临床数据和蛋白质表达数据，采用LASSO回归分析，构建基于上述蛋白质标志物的亚组识别模型，进而获得效益评分，基于效益评分能预测患者液体管理策略方案的适用性，为脓毒症休克患者的液体治疗提供了可靠的方案，实现个体化和精准的液体治疗，在临床具有较好的应用前景。

Systems, devices, and methods for integrated cell processing and analysis with precise fluid management are disclosed. The system includes a cartridge with processing modules connected by a fluidic bus with pressure regulation to control fluid flow between modules and to analytical tools. Methods for controlling fluid transfer by adjusting pump operational parameters in response to pressure measurements ensure precise sample delivery volumes and flow rates throughout the integrated platform. Fluid pulsations are reduced or prevented during the fluid transfer for accurate sample transfers. Fluid transfer steps coordinate fluid flow between an on-cartridge analytical module and / or off-cartridge analytical tools. The cartridge may include an analytical module with a channel selector to direct fluid samples from a plurality of fluid conduits to selected analytical chips. A positioning system with rack-and-pinion mechanisms enables precise movement of analytical chips along multiple axes to interface with analytical tools.

A fluid management system includes a fluid management controller and a fluid dispenser. The controller authorizes control of the one or more fluid management components over a wireless interface. A dispensing meter can be activated by an authentication device. The fluid meter includes a cartridge valve with a valve cartridge and a valve stem. The cartridge valve guides the valve stem and provides the only sealing surface for the dynamic seals and control seal disposed on the valve stem. The handheld meter dispenses through a nozzle, which includes an overmolded stem tip that generates a laminar fluid flow as the fluid exits the nozzle. The handheld fluid meter includes circuitry configured to invert the orientation of a visual output provided by a display of the handheld fluid meter to facilitate installation of the handheld fluid meter for use in an oil bar application.

Methods and apparatuses for blood clot aspiration. Described are fluid management components and assemblies for blood clot extraction from a patient's body and for filtering blood and recirculating blood back into the patient's body.

A medical fluid management assembly includes a pneumatic manifold, at least one valve, and a fluid manifold. The pneumatic manifold includes at least one pneumatic passageway that is pneumatically connected to the at least one valve. The fluid manifold includes at least one chamber comprising upper and lower fluid chambers separated by a flexible membrane. The fluid manifold also includes fluid tube sections and fluid pathways that fluidly couple the one or more upper and lower fluid chambers to the at least one valve and at least one of a purified water line, a liquid concentrate line, a to-extracorporeal circuit fresh dialysis fluid line, a drain line, or a from-extracorporeal circuit used dialysis fluid line.

A fluid management integrated assembly comprises a sensor, a connecting piece and a flow channel integrated piece, the flow channel integrated piece is provided with a flow channel, and the sensor is installed on the connecting piece; the fluid management integrated assembly has a first state and a second state, in the first state, the connecting piece is fixedly connected or in limited connection with the flow channel integrated piece, and the connecting piece is in sealed connection with the flow channel integrated piece; in the second state, the connecting piece is separated from the flow channel integration piece; the fluid management integrated assembly can be converted from the first state to the second state, and the fluid management integrated assembly can be converted from the second state to the first state, so that the connecting piece can be replaced according to the specification of the sensor, the flow channel integrated piece can adapt to the sensors of different specifications, and the adaptability of the flow channel integrated piece to the sensors is improved.

A multi-temperature hydronic system (MTHS) (10) comprises a plurality of heat rejection devices including at least two of an evaporative fluid cooler (28), a dry cooler (30), or a heat recovery heat exchanger (32). The MTHS (10) also includes an MTHS skid (11) having a plurality of valves (50, 52, 54, 58, 60, 61, 62, 64, 66, 74, 76, and / or 78) controllable to adjust fluid flows of a fluid between the plurality of heat rejection devices, a chiller oil cooler (16a), and a chiller condenser (14a). The MTHS (10) also includes a controller (34) configured to control the plurality of valves (50, 52, 54, 58, 60, 61, 62, 64, 66, 74, 76, and / or 78) to selectively engage at least one heat rejection device of the plurality of heat rejection devices to achieve a target temperature of the fluid at the chiller oil cooler (16a), and to optimize a temperature of the fluid at the chiller condenser (14a). Other features may include a spray water circuit (175) of the evaporative fluid cooler (28) and control features related to the evaporative fluid cooler (28) and configured to, among other things, periodically replace water in the spray water circuit (175).

The present invention relates to a fluid management system that can include an inflow pump configured to pump fluid from a fluid supply at a flow rate to a treatment site within a patient's body, and a controller configured to operate at a target flow rate in a flow control mode. In the flow control mode, the controller can be configured to maintain the target flow rate while monitoring a measured pressure communicated from a pressure sensor to the controller. When the measured pressure reaches a preset pressure threshold, the controller can be configured to automatically switch from the flow control mode to a pressure override mode in which the controller automatically reduces the flow rate below the target flow rate to restore the measured pressure to the preset pressure threshold or below the preset pressure threshold.

The thermal management system of the present application includes a first branch, a second branch, a third branch, a fourth branch, and a fluid management component having ten interfaces, the first, second, third, and fourth branches each in communication with a respective interface of the fluid management component, the four branches connected into the thermal management system by the fluid management component, such that the fluid management component makes the connection of the thermal management system relatively simple.

Adhesive constructions include a mammalian skin surface and an adhesive article in contact with the mammalian skin. The adhesive article includes a substrate and an adhesive layer. The adhesive layer in contact with the mammalian skin is a microstructured surface with channels. At least one channel extends to at least one boundary of the adhesive layer. The microstructured surface is a permanently microstructured surface, such that the channels in the surface of the adhesive layer permit transport of fluid.

The utility model relates to the technical field of fluid management, in particular to a valve assembly. The valve assembly comprises a valve element seat and a blocking piece, the valve element seat is provided with a first opening and a second opening which are arranged in the first direction, and the blocking piece blocks the first opening; a connecting structure is arranged between the valve element seat and the plugging piece and comprises a first convex part and a second convex part, the first convex part is arranged on the side wall of the valve element seat, and the first convex part is in interference fit with the side wall, right opposite to the first convex part, of the plugging piece; the second convex part is arranged on the side wall of the plugging piece and is in interference fit with the side wall, right opposite to the second convex part, of the valve element seat; in the first direction, the second protruding part is located between the first protruding part and the second opening, and the second protruding part is in limiting fit with the first protruding part. According to the valve assembly, by optimizing the structure of the valve assembly, a customer can conveniently disassemble and assemble the whole structure of the valve assembly, the disassembly difficulty can be reduced, secondary use can be guaranteed, then the use feeling of the customer can be improved, and the product performance can be guaranteed.

An automatic pump-based fluid management system as described herein includes an intercostal pump, which is typically a resilient, flexible tube having an inlet and an outlet. The inlet is attached to a first tube that extends from the intercostal pump to a first region of a patient's body, such as the patient's pleural cavity. The outlet is connected to a second tube that extends from the intercostal pump to a second region of the patient's body, such as the patient's peritoneal cavity. During use, the intercostal pump is positioned between a first and second rib of the patient. The intercostal pump operates by continuously compressing and decompressing the space between the first and second ribs during the patient's breathing.

The fluid management device provided in the embodiment of the present application includes a connector and a fluid management device, the fluid management device includes at least one of a heat exchanger and an electric valve, the connector has a coolant flow channel, the connector includes at least two plates, the plates are stacked, adjacent plates are fixed and sealed, at least one of the adjacent plates is provided with at least one flow channel portion, the adjacent plates form a coolant flow channel at the flow channel portion, the fluid management device is fixedly connected or limit-connected to the connector, and the fluid management device can be communicated with the coolant flow channel, so that the fluid management device can be more compact, which is conducive to the miniaturization of the fluid management device.

A fluid management system including a fluid management console and a fluid cassette configured to be received within the fluid management console. The fluid management console may comprise a housing, a controller housed within the housing, an inflow pump including a motor disposed within the housing, the inflow pump configured to provide fluid at a first setpoint, and a user input interface. The fluid cassette may be configured to provide a flow of fluid to a medical device. In response to a request to provide fluid in a flush mode at a second setpoint greater than the first setpoint, the controller of the fluid management console may be configured to operate the motor in a boost mode prior to reducing a motor speed to a flush mode speed.

A flow cell for use in a fluid management and / or processing system is disclosed, said flow cell comprising a body having an inlet and an outlet and a fluid flow channel extending from the inlet to the outlet. Said body further comprises a receptacle comprising a chamber forming a part of the fluid flow channel, said chamber comprising a first opening for connecting a functional element to the flow cell such that the functional element is in contact with or exposed to a fluid flow passing through the fluid flow channel. A first tubular connector is arranged adjacent to the inlet. A second tubular connector is arranged adjacent to the outlet. The flow cell further comprises a functional element and a fluid flow path extending from the first tubular connector through the inlet, the body, the receptacle, and the outlet, to the second tubular connector.

The invention relates to a fluid management module (10) for a medical fluid processing device (200), in particular for an insufflator comprising smoke evacuation, having a module housing (12), which has a first fluid outlet (18a) connected to a first fluid line path (16a) and a second fluid outlet (18b) connected to a second fluid line path (16b), and a first fluid filter (20a) arranged in the first fluid line path (16a).