180 results about "Fluid management" patented technology

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 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 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.

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.

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.

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.

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).

The invention provides a hysteroscope uterine distention medium intelligent management and control system and method based on bimodal data fusion. The system comprises an intelligent sensing execution device and a central management and control server. The intelligent sensing execution device is configured to be detachably installed on the outer wall of the fluid infusion pipeline and used for collecting physical state data of the uterus expanding medium in a non-contact mode and executing on-off control. The central management and control server is configured with a bimodal data fusion engine and synchronously receives the operation video stream and the physical state data; a deep learning algorithm is used to identify a surgical operation stage, and a real-time flow rate and an accumulated consumption amount calculated by physical data are combined to derive a dynamic residual available time length; and generating a hierarchical control instruction according to the matching of the calculation result and the operation stage. According to the invention, fluid control information is superposed to an operation picture through an augmented reality technology, and fluid excessive absorption monitoring and microbubble detection logic are integrated, so that intelligent closed-loop control and active security defense of a hysteroscope operation fluid medium are realized.

A volume management apparatus includes a cardiac evaluation unit configured to evaluate whether the patient suffers from an organic heart disease based on an image of apical four chamber view; a parameter determination unit configured to determine a maximum inner diameter of inferior vena cava and a collapse rate of inferior vena cava based on an image of subxiphoid inferior vena cava view; a score calculation unit configured to determine scores that correspond to the LVEF value, the maximum diameter of the inferior vena cava, and the collapse rate of the inferior vena cava, respectively; and a fluid management plan determination unit configured to search for a fluid management plan corresponding to a score determined, and to perform volume management for the patient according to the fluid management plan searched.

The fluid management device for air conditioning system provided by the embodiment of the application comprises a stator assembly, a first rotor and a second rotor, the first rotor and the second rotor are respectively connected with an impeller and a valve core, the fluid management device is relatively compact, the fluid management device comprises one stator assembly, the number of components is correspondingly reduced, and the control is relatively simple.

The present invention relates to apparatus for fluid management in a robotic catheter-based surgical system. A cassette for use in a robotic drive of a catheter-based surgical system includes a housing configured to support a hemostasis valve having a base and a side port. The housing has a longitudinal device axis associated with an elongated medical device. The cassette further includes a first tube connection point on the housing and above the longitudinal device axis. The first tube connection point is configured to receive a first tube. The cassette further includes a second tube connection point near a top edge of the housing and above the first tube connection point and the longitudinal device axis. The second tube connection point is configured to receive a second tube.

A peritoneal dialysis system includes a cycler having a pneumatic valve manifold or pneumatic arrangement, an air pump positioned and arranged to supply pneumatic pressure to the pneumatic valve manifold with or without intervening pneumatic storage, a pneumatic pressure sensor positioned and arranged to detect pneumatic pressure, and a control unit configured to use an output of the pressure sensor as feedback to adjust the air pump according to a set pneumatic pressure; and a disposable set including a pod pump having a flexible sheet, one side of the flexible sheet positioned and arranged during operation to receive pneumatic pressure via the air pump and pneumatic valve manifold.

A fluid management apparatus and a heat management system are provided. The fluid management apparatus includes a connecting piece and a liquid storage part. The connecting piece and the liquid storage part are arranged separately, and a first mating part of a liquid storage part shell is sealedly connected to a first connecting port portion of the connecting piece. A liquid storage cavity of the liquid storage part is in communication with a flow channel of the connecting piece, and the connecting piece, which is provided with a flow channel, is arranged separately from the liquid storage part.

A fluid management system including a console including a roller pump and a controller for operating the roller pump. The console includes a housing and a door movable between a closed position and an open position. The roller pump is rotatable about a rotational axis during operation of the roller pump, and the rotational axis is configured to float along an arcuate pathway relative to the housing during operation of the roller pump. The roller pump is configured to pivot relative to the housing about a pivot axis during operation of the roller pump. The pivot axis is spaced apart from the rotational axis of the roller pump.

The application discloses a fluid management assembly, a communication pipe penetrating a first heat exchanger along a thickness direction of the first heat exchanger, a lumen of the communication pipe being isolatedly arranged in the first heat exchanger with an inner cavity of the first heat exchanger; the first heat exchanger has a first hole communicating with the inner cavity of the first heat exchanger; a base includes a first recess part, a rim of a slot of the first recess part being sealingly connected with a first surface, a bottom wall of the first recess part having a spacing from the first surface, and the first hole and the lumen of the communication pipe both being in communication with a slot cavity of the first recess part. In this way, the inner cavity of the first heat exchanger and the lumen of the communication pipe are respectively in communication with the slot cavity of the first recess part, other components on a side of the first heat exchanger away from the base can be in communication with the slot cavity of the first recess part through a relatively short communication pipe, so that the fluid management assembly has a relatively compact structure and the occupied space of the fluid management assembly is reduced.

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 setup 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.

In certain embodiments, a surgical handpiece system includes a phacoemulsification tip, a fluid management system, an ultrasound drive system, and a controller. The phacoemulsification tip is attached to the shaft. The fluid management system is configured to manage inflow and outflow of fluid from an ocular surgical site. The ultrasonic drive system is configured to generate torsional and longitudinal vibrations in the phacoemulsification tip. The controller is configured to analyze a voltage and a current applied to the ultrasonic drive system using fast Fourier transform (FFT), and tune an application frequency of the torsional vibration and the longitudinal vibration according to at least one resonant frequency.