334 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 fluid management system including a console including a controller for operating a pump. The console includes a door movable between a closed position and an open position to access a receptacle. The fluid management system also includes a fluid cassette insertable into the receptacle of the housing of the console. The fluid cassette is positioned in the receptacle in a loaded position in which the housing of the fluid cassette lies in a vertical plane when the door is in the closed position and the housing of the fluid cassette is tilted out of the receptacle in an ejected position when the door is in the open position. The fluid cassette includes a retention tab with a lip extending from the lower edge of the fluid cassette that engages a retention tab and recess of the console to hold the fluid cassette in the ejected position.

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 cassette for a fluid management system, including a housing defining a fluid pathway therethrough, an inflow tubing extending from the housing, and an outflow tubing extending from the housing. The fluid pathway includes a fluid dampening chamber having a fluid inlet configured for fluid ingress into the fluid dampening chamber and a fluid outlet configured for fluid egress from the fluid dampening chamber, where an upper extent of the fluid outlet is lower than an upper extent of the fluid inlet. The fluid pathway also includes a bifurcated fluid pathway including a first branch of the bifurcated fluid pathway and a second branch of the bifurcated fluid pathway, and a mixing fluid channel for mixing heated fluid exiting the bifurcated fluid pathway.

An absorbent article includes a liquid pervious topsheet, a backsheet at least peripherally joined to the topsheet, and an absorbent core disposed between said topsheet and said backsheet. The absorbent article further includes an integrated nonwoven fluid management layer having a basis weight between about 40 gsm and about 65 gsm; and an Urine Standard Rewet Value of 10 mg or less.

System and method for providing biocompatible, nutrient filled media to the Human Cells, Tissues, and cellular and tissue-based Products (HCT / P) while removing wastes. The present teachings provide for sensing the characteristics of the media, and modifying the characteristics when necessary. The present teachings can also provide components that can provide fluid pumping integrated with fluid gas exchange, and sensing of fluid characteristics at consistent times during the fluid flow cycle. System and method control multiple bioreactors from a centralized media reservoir, while fluidically isolating the bioreactors from cross-contamination.

The invention discloses an off-axis visual quantitative observation experiment storage tank in the technical field of space on-orbit fluid management, which comprises an upper half storage tank and a lower half storage tank which are fixedly connected, and a sealing ring is arranged between the upper half storage tank and the lower half storage tank; box bodies of the upper half storage box and the lower half storage box are made of transparent materials, so that the gas-liquid interface morphology in the box bodies can be observed outside the box bodies; the volume of the upper half storage tank is larger than that of the lower half storage tank, so that the center of the experimental storage tank is positioned in the upper half storage tank, and the gas-liquid interface morphology at the maximum axial section of the center in the experimental storage tank can be observed from the upper part of the experimental storage tank; a liquid inlet and a liquid outlet of the experiment storage tank are formed in the lower half storage tank, so that observation sight is prevented from being blocked.

Various embodiments disclosed relate to urological fluid management systems and methods. A system may receive a measured inflow pressure of fluid flow through the inflow pathway. A system may determine a calculated inflow pressure based on a target inflow rate of fluid through the inflow pathway. A system may compare the calculated inflow pressure with the measured inflow pressure. If the measured inflow pressure exceeds the calculated inflow pressure, the system may automatically adjust a bypass flow control valve. The bypass control valve may be between the inflow pathway and the outflow pathway. The bypass control valve may be between the inflow pathway and a waste pathway.

Systems, devices, and methods herein may include a system for monitoring bodily fluid from a patient. In some embodiments, the system may be configured to collect bodily fluid samples from a patient periodically over time to determine a baseline bodily fluid composition. In some embodiments, the system may use spectrophotometry to determine the baseline bodily fluid composition for the patient. The system may be configured to compare a bodily fluid sample to the baseline bodily fluid composition to detect detecting changes in one or more characteristics of the bodily fluid sample (e.g., composition, absorption spectrum, etc.) from the baseline. Changes in the bodily fluid sample characteristics may be used to predict and / or detect abnormalities or infection for individualized diagnosis.

Endoscopic viewing systems for use in diagnostic and therapeutic medical procedures. More specifically, an imaging and control system and coupler that allows for control of imaging and fluid management from a hand-held unit coupled to a conventional multiple-use, sterilizable endoscope.

A medical fluid line system with at least one injection connection element (41) is disclosed, which has an injection connection section (41d) formed integrally with it, preferably integrally with it or inseparably arranged on it, wherein the injection connection section (41d) is designed as a first coupling adapter part (3) of a CSTD system (1).

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.

In certain embodiments, a surgical handpiece system includes a phacoemulsification tip, a fluid management system, an ultrasonic drive system, and a controller. The phacoemulsification tip is attached to a 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 applied voltage and current to the ultrasonic drive system using Fast Fourier Transforms (FFTs), and tune applied frequencies of the torsional and longitudinal vibrations according to at least one resonant frequency.

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.

A docking station for a mobile cleaning robot can include a canister and a base configured to receive the mobile cleaning robot thereon, where the base can include a front portion and a back portion opposite the front portion. The base can include a vacuum port extending at least partially through the base. The canister can be connected to the back portion of the base and can be located at least partially above the base. The canister can include a debris bin connected to the vacuum port to receive debris therefrom and a fan compartment connected to a side wall of the debris bin and including a fan system operable to draw debris through the vacuum port and the debris bin.

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.

An absorbent article includes a liquid pervious topsheet, a backsheet at least peripherally joined to the topsheet, and an absorbent core disposed between said topsheet and said backsheet. The absorbent article further includes an integrated nonwoven fluid management layer having a basis weight between about 40 gsm and about 65 gsm; and an Urine Standard Rewet Value of 10 mg or less.

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.

The present invention discloses an intelligent hysteroscopic liquid management system and a fluctuation suppression method thereof, and relates to the technical field of liquid management of medical equipment. The intelligent hysteroscopic liquid management system and the fluctuation suppression method thereof collect the liquid pressure and flow data inside the uterine cavity and the infusion pipeline by setting a liquid fluctuation detection module, a dynamic fluctuation compensation control module, and a fluctuation suppression module, and extract the liquid fluctuation characteristics and establish a dynamic characteristic model by combining frequency domain and time domain analysis technology. Based on the fluctuation characteristic model, the liquid fluctuation index is calculated in real time, and the flow rate and the opening of the reflux valve of the infusion pump are dynamically adjusted through an adaptive control algorithm, so as to achieve effective compensation and suppression of liquid fluctuations. At the same time, through a flexible shock-absorbing component, high-frequency fluctuations in the liquid transmission process are absorbed at the physical level, and the fluctuation suppression effect is further optimized. The liquid management accuracy in hysteroscopic surgery can be significantly improved, the interference of surgical operations caused by liquid fluctuations can be reduced, and the stability of the surgery can be ensured.

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.