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174results about How to "Reduce liquid volume" patented technology
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Infusion pumps and methods and delivery devices and methods with same
ActiveUS20080097375A1Reduce liquid volumeIncrease the amount of fluidContracting/expanding measuring chambersMedical devicesInfusion pumpBiomedical engineering
A delivery device includes a durable housing portion and a separable disposable portion that selectively engage and disengage from each other. The disposable housing portion secures to the patient-user and may be disposed of after it has been in use for a prescribed period. Components that normally come into contact with a patient-user or with an infusion medium, including a pump device, are supported by the disposable housing portion for disposal after the prescribed use, while the durable housing portion supports other components such as electronics for controlling delivery of the infusion medium from the reservoir and a drive device and drive linkage.
Owner:MEDTRONIC MIMIMED INC
System, Method, and Apparatus for Monitoring, Regulating, or Controlling Fluid Flow
ActiveUS20130310990A1Reduce internal volumeReduce liquid volumeImage analysisEngine diaphragmsEngineeringActuator
A flow meter, and related system and method are provided. The flow meter includes a coupler, a support member, an image sensor, a valve, and one or more processors. The coupler is adapted to couple to a drip chamber. The support member is operatively coupled to the coupler. The image sensor has a field of view and is operatively coupled to the support member. The image sensor is positioned to view the drip chamber within the field of view. The one or more processors are operatively coupled to the image sensor to receive image data therefrom and to the actuator to actuate the valve. The one or more processors are configured to estimate a flow of fluid through the drip chamber and to actuate the valve to control the flow of fluid through the drip chamber to achieve a target flow rate.
Owner:DEKA PROD LLP
Positive flow valve
InactiveUS6932795B2Reduce liquid volumeIncrease volumeValve arrangementsInfusion devicesNoseEngineering
A closed system, spikeless, positive-flow valve device includes a body defining an internal cavity. At the proximal end of the body is an opening which is preferably sufficiently large to receive an ANSI standard tip of a medical implement. The valve includes a plastic, resilient silicon seal which fills the upper cavity and opening with an oval seal cap having a slit. The opening presses the oval seal cap to keep the slit closed in the decompressed state. The slit opens as the nose of the medical implement compresses the seal into the cavity and the seal cap is free from the opening. The housing also includes a fluid space which facilitates fluid flow between the medical implement and a catheter tip. The fluid space within the valve automatically and reversibly increases upon insertion of the medical implement into the cavity and decreases upon withdrawal of the medical implement, such that a positive flow from the valve toward the catheter tip is effected upon withdrawal of the medical implement, thereby preventing a flow of blood from a patient into the catheter when the medical implement is removed from the valve.
Owner:ICU MEDICAL INC
Infusion pumps and methods and delivery devices and methods with same
InactiveUS20080097291A1Reduce liquid volumeIncrease the amount of fluidContracting/expanding measuring chambersMedical devicesInfusion pumpBiomedical engineering
Owner:MEDTRONIC MIMIMED INC
System, method, and apparatus for monitoring, regulating, or controlling fluid flow
ActiveUS9151646B2Reduce liquid volumeImage enhancementImage analysisEngineeringBiomedical engineering
Owner:DEKA PROD LLP
Fast clear port
ActiveUS20060178648A1Reduce liquid volumePrecise positioningElectrotherapyMedical devicesBiomedical engineering
Described herein are implantable ports including a housing with a fluid receptacle, a port stem in fluid communication with the fluid receptacle, and a septum covering the fluid receptacle. The ports may be configured to reduce the priming volume by including a plurality of fluid-locked chambers and / or one or more base mats. The ports may also include a hydrophobic coating on one or more surfaces thereof.
Owner:CR BARD INC
System, Method, and Apparatus for Monitoring, Regulating, or Controlling FLuid Flow
A flow meter, and related system and method are provided. The flow meter includes a coupler, a support member, an image sensor, a valve, and one or more processors. The coupler is adapted to couple to a drip chamber. The support member is operatively coupled to the coupler. The image sensor has a field of view and is operatively coupled to the support member. The image sensor is positioned to view the drip chamber within the field of view. The one or more processors are operatively coupled to the image sensor to receive image data therefrom and to the actuator to actuate the valve. The one or more processors are configured to estimate a flow of fluid through the drip chamber and to actuate the valve to control the flow of fluid through the drip chamber to achieve a target flow rate.
Owner:DEKA PROD LLP
System, method, and apparatus for monitoring, regulating, or controlling fluid flow
A flow meter, and related system and method are provided. The flow meter includes a coupler, a support member, an image sensor, a valve, and one or more processors. The coupler is adapted to couple to a drip chamber. The support member is operatively coupled to the coupler. The image sensor has a field of view and is operatively coupled to the support member. The image sensor is positioned to view the drip chamber within the field of view. The one or more processors are operatively coupled to the image sensor to receive image data therefrom and to the actuator to actuate the valve. The one or more processors are configured to estimate a flow of fluid through the drip chamber and to actuate the valve to control the flow of fluid through the drip chamber to achieve a target flow rate.
Owner:DEKA PROD LLP
System, method, and apparatus for monitoring, regulating, or controlling fluid flow
ActiveUS20160179086A1Reduce internal volumeReduce liquid volumeImage analysisComputer controlImage sensorDrip chamber
A flow meter, and related system and method are provided. The flow meter includes a coupler, a support member, an image sensor, a valve, and one or more processors. The coupler is adapted to couple to a drip chamber. The support member is operatively coupled to the coupler. The image sensor has a field of view and is operatively coupled to the support member. The image sensor is positioned to view the drip chamber within the field of view. The one or more processors are operatively coupled to the image sensor to receive image data therefrom and to the actuator to actuate the valve. The one or more processors are configured to estimate a flow of fluid through the drip chamber and to actuate the valve to control the flow of fluid through the drip chamber to achieve a target flow rate.
Owner:DEKA PROD LLP
Internal bone transport
ActiveUS8043299B2Reduce liquid volumeInternal osteosythesisJoint implantsBone transportBone formation
An internal bone transport device and method for lengthen bone that, once surgically implanted will allow for a segment of bone to be transported along the length of the rod without changing the overall length of the rod. The segment from one bone end is transported to the other in a controlled fashion allowing for complete control of the rate of bone transport and adjusting this rate to the quality of the bone formation. The segment is moved either by the application of an externally applied magnetic force or by a fluid actuator in combination with a compression spring. It applies to patients in whom a segment of bone has been removed. This fully internal bone transport allows the bone transport to occur without any external fixation, thus eliminating the problems associated with pin tract infections and pain from the pins cutting through the soft tissue.
Owner:CONWAY JANET
Liquid to liquid biological particle concentrator with disposable fluid path
ActiveUS8584535B2Reduce liquid volumeQuick focusSemi-permeable membranesMicrobiological testing/measurementFiltrationElution
Highly efficient and rapid filtration-based concentration devices, systems and methods are disclosed with sample fluidic lines and a filter packaged in a disposable tip which concentrate biological particles that are suspended in liquid from a dilute feed suspension. A sample concentrate or retentate suspension is retained while eliminating the separated fluid in a separate flow stream. The concentrate is then dispensed from the disposable tip in a set volume of elution fluid. Suspended biological particles include such materials as proteins / toxins, viruses, DNA, and / or bacteria in the size range of approximately 0.001 micron to 20 microns diameter. Concentration of these particles is advantageous for detection of target particles in a dilute suspension, because concentrating them into a small volume makes them easier to detect. All conduits by which the disposable tip attaches to the instrument are combined into a single connection point on the upper end of the tip.
Owner:INNOVAPREP
Surface sampler for bioterrorism particle detection
ActiveUS8677840B2Determine effectivenessFocusWithdrawing sample devicesMicroorganismBiological particles
Novel rapid, efficient sample collection systems, devices and methods are disclosed which remove and capture particles, and especially potential bioterrorism particles from surfaces into a liquid sample. The devices were developed primarily for obtaining samples of biological contamination from environmental surfaces. Biological particles, as described here, include bacteria, viruses, and other microorganisms, and other particles of biological origin including nucleic acids, proteins, and toxins.
Owner:INNOVAPREP
Method of Treating Flow Conduits and Vessels with Foamed Composition
InactiveUS20090114247A1Lower hydrostatic loadingReduce liquid volumeHollow article cleaningCleaning apparatusFoaming agentMedicine
The annular surface between the tubing and casing of an oil or gas well as well as flow conduits and vessels may be contacted with a foamed treatment composition containing a gas, a foaming agent and a treatment agent. The treatment agent may be an inhibitor or removal agent for scales, corrosion, salts, paraffins or asphaltenes. The foam, upon destabilization, renders a thin film of concentrated treatment agent on the external surfaces of the tubing, inside the casing and in the perforations of the oil or gas well or on the flow conduits or vessels.
Owner:BAKER HUGHES INC
Drainage devices and methods for use
ActiveUS20120029466A1Accurately indicatedSafe and minimally invasive methodStentsWound drainsCatheterThoracic cavity
Devices and methods for draining excess lymph fluid are disclosed. The device can be fixed to the blood vessel adjacent to the thoracic duct. The device can have a port for withdrawing lymph fluid exiting the thoracic duct. The device can have a cannula and / or subcutaneous port to draw the lymph fluid away from the thoracic duct and reduce hemostatic pressure in the lymphatic system.
Owner:LXS LLC +1
Method and device to treat kidney disease
ActiveUS20120220926A1Reduce concentrationReduce wasteMedical devicesPressure infusionFibrosisCardiorenal disease
The invention relates to a method and device for dialysis and or bulk fluid removal by generating a fibrosis chamber within a body cavity and performing dialysis or bulk fluid removal. An implantable medical device is described having a fibrosis chamber and a pump. A dialysis chamber and an optional electrodialysis unit can further be provided. An additional controller uses sensory feedback to regulate the fluid levels by altering the extracellular fluid retention within the fibrosis chamber. This device can be used for the treatment of patients with chronic kidney disease who may also be suffering from cardiorenal syndrome and hypertension.
Owner:MOZARC MEDICAL US LLC
Liquid to Liquid Biological Particle Concentrator with Disposable Fluid Path
ActiveUS20110061474A1Quick focusReduce liquid volumeMicrobiological testing/measurementWithdrawing sample devicesFiltrationElution
Highly efficient and rapid filtration-based concentration devices, systems and methods are disclosed with sample fluidic lines and a filter packaged in a disposable tip which concentrate biological particles that are suspended in liquid from a dilute feed suspension. A sample concentrate or retentate suspension is retained while eliminating the separated fluid in a separate flow stream. The concentrate is then dispensed from the disposable tip in a set volume of elution fluid. Suspended biological particles include such materials as proteins / toxins, viruses, DNA, and / or bacteria in the size range of approximately 0.001 micron to 20 microns diameter. Concentration of these particles is advantageous for detection of target particles in a dilute suspension, because concentrating them into a small volume makes them easier to detect. All conduits by which the disposable tip attaches to the instrument are combined into a single connection point on the upper end of the tip.
Owner:INNOVAPREP
System, method, and apparatus for monitoring, regulating, or controlling fluid flow
A flow meter, and related system and method are provided. The flow meter includes a coupler, a support member, an image sensor, a valve, and one or more processors. The coupler is adapted to couple to a drip chamber. The support member is operatively coupled to the coupler. The image sensor has a field of view and is operatively coupled to the support member. The image sensor is positioned to view the drip chamber within the field of view. The one or more processors are operatively coupled to the image sensor to receive image data therefrom and to the actuator to actuate the valve. The one or more processors are configured to estimate a flow of fluid through the drip chamber and to actuate the valve to control the flow of fluid through the drip chamber to achieve a target flow rate.
Owner:DEKA PROD LLP
Devices, systems and methods for assisting blood flow
A pump includes a flexible conduit, at least one valve attached to the flexible conduit about the perimeter of the valve; and a drive mechanism to move the valve to pump blood within the conduit. The drive mechanism can, for example, be adapted to complete a single stroke during each heart ventricle contraction and / or to complete multiple strokes (that is, oscillate) during a single contraction. The moveable valve includes a plurality of openings. Each of the plurality of openings has a closure mechanism in operative connection therewith which is operable to at least partially close the opening to which it is operatively connected when the moveable valve is moved forward and to open the opening to which it is operatively connected when the valve is moved rearward. In one embodiment, each closure mechanism includes a flap of resilient material.
Owner:HEILMAN MARLIN STEPHEN +3
Inflatable penile prosthesis with volume displacement materials and devices
ActiveUS7390296B2Reduce liquid volumePreventing and eliminating post-surgical shortening and shrinkageNon-surgical orthopedic devicesPenis implantsVolume displacementGeneral surgery
Owner:BOSTON SCI SCIMED INC
System, method, and apparatus for monitoring, regulating, or controlling fluid flow
Owner:DEKA PROD LLP
Devices, systems and methods for assisting blood flow
A pump includes a flexible conduit, at least one valve attached to the flexible conduit about the perimeter of the valve; and a drive mechanism to move the valve to pump blood within the conduit. The drive mechanism can, for example, be adapted to complete a single stroke during each heart ventricle contraction and / or to complete multiple strokes (that is, oscillate) during a single contraction. Another implantable pump for assisting blood flow, includes: a flexible conduit formed in an arc; at least one movable valve in operative connection with the conduit; and a drive mechanism to move the valve in an arced path to pump blood within the conduit. Another pump includes a conduit and at least one moveable valve within the conduit. The moveable valve includes a plurality of openings. Each of the plurality of openings has a closure mechanism in operative connection therewith. Each closure mechanism is operable to at least partially close the opening to which it is operatively connected when the moveable valve is moved forward and to open the opening to which it is operatively connected when the valve is move rearward. The pump further includes a drive mechanism to move the valve to pump blood within the conduit. In one embodiment, each closure mechanism includes a flap of resilient material.
Owner:HEILMAN MARLIN STEPHEN +3
Apparatus, systems, and methods for augmenting the flow of fluid within body vessels
InactiveUS20120089063A1Improve fluid flowConvenient treatmentBlood stagnation preventionPneumatic massageEmergency medicineBlood vessel
Apparatus, systems, and methods are sized and configured to effectively and efficiently augment the flow of fluid within body vessels, not only during conditions in which a patient is bedbound and immobile, but also in conditions when the individual is out of bed, and completely mobile and ambulatory.
Owner:VENOUS HEALTH SYST
Shift register unit and gate driving circuit
ActiveUS20160268004A1Inhibit outputSave wiring spaceStatic indicating devicesDigital storageShift registerComputer module
The present disclosure relates to the technical field of communication. There is provided a shift register unit and a gate driving circuit for decreasing noise interferences, enhancing stability of the shift register unit, and at the same reducing the size of the shift register unit. The shift register unit comprises: an input module configured to provide a first voltage signal to an output terminal in response to an input signal; a reset module configured to provide a second voltage signal to a first node as an output terminal of the input module in the input module in response to a reset signal; an output module configured to provide a first clock signal to the output terminal in response to a voltage at a first node; a pull-down control module configured to provide a second clock signal to a second node in response to the second clock signal and provide a power supply negative voltage to the second node in response to the voltage at the first node or the voltage at the output terminal; and a pull-down module configured to provide the power supply negative voltage to the first node and the output terminal in response to the voltage at the second node.
Owner:BOE TECH GRP CO LTD +1
Low volume electrochemical biosensor
InactiveUS20050067277A1Improve enzyme stabilityStructure is not alteredImmobilised enzymesBioreactor/fermenter combinationsElectricityElectrochemical biosensor
A biosensor in which at least one reagent constitutes a portion of a working electrode, a conductive track leading from a working electrode to an electrical contact associated with a working electrode, or an electrical contact associated with a working electrode. For example, the biosensor can have a mediator or an enzyme or both incorporated into the working electrode itself. Other reagents can be dispensed on the electrode itself either directly or by impregnating a matrix, such as a mesh or a membrane, with the enzyme, and then placing the impregnated mesh or membrane over the electrode. Alternatively, the biosensor can have a mediator or an enzyme or both incorporated into the conductive track leading from the working electrode to an electrical contact associated with the working electrode. In another alternative, the biosensor can have a mediator or an enzyme or both incorporated into the electrical contact associated with the working electrode itself. Furthermore, the biosensor can have a mediator or an enzyme or both incorporated into at least two of the foregoing components of the biosensor.
Owner:ABBOTT LAB INC
Hybrid phase lateral flow assay
ActiveUS7632687B2Increased binding surface areaHigher immobilizationBioreactor/fermenter combinationsCompound screeningAnalyteQuantitative determination
The invention relates to devices for performing single step assays for the determination of the presence or absence of an analyte in a liquid sample, and methods of determining the presence or absence of such analytes using such devices. Devices disclosed comprise a labeled analyte-binding reagent reversibly-immobilized on a non-porous solid material, which solid material is in physical contact with a dry porous carrier bearing an immobilized analyte-binding reagent. Also provided are quantitative assay devices.
Owner:QUIDEL
Three-cone rock bit with multi-ported non-plugging center jet nozzle and method
A three-cone rock bit employing a non-plugging center jet nozzle with a plurality of staggered inlet orifices leading to side passageways to reduce bit balling. The nozzle defines a tapered cavity through which drilling mud flows and exits in streams. Streams are directed from the nozzle through a main exit aperture of sufficient size to avoid plugging and from side passageways boring through a sidewall of the nozzle. Jetting streams promote washing of voids within the bit and of cutting surfaces. The nozzle uses staggered inlet orifices leading to side passageways, in conjunction with a tapering shape of a central passageway to facilitate maintenance of drilling mud velocity within the central passageway and thus of stream velocity to targeted regions of the drill bit.
Owner:DICKEY WINTON B
Capsule for the preparation of beverages, device and method
InactiveUS20150203285A1Reduce thicknessLower the volumeReady-for-oven doughsBeverage vesselsAdditive ingredientBiomedical engineering
A capsule (1) for preparing a beverage is disclosed. The capsule comprises: an ingredient receptacle (3), which contains at least one ingredient (I) for the preparation of a beverage, and a sealed liquid container (7) containing an amount of liquid sufficient for preparing a beverage by means of said at least one ingredient (I). A liquid-tight separating wall (3B) is arranged between the liquid container (7) and the ingredient receptacle (3). The separating wall (3B) is arranged to be ruptured to cause the liquid to contact the at least one ingredient and produce a beverage.
Owner:KONINKLJIJKE PHILIPS NV
Drainage devices and methods for use
ActiveUS9682223B2Accurately indicatedSafe and minimally invasive methodStentsWound drainsThree vesselsLymph fluid
Devices and methods for draining excess lymph fluid are disclosed. The device can be fixed to the blood vessel adjacent to the thoracic duct. The device can have a port for withdrawing lymph fluid exiting the thoracic duct. The device can have a cannula and / or subcutaneous port to draw the lymph fluid away from the thoracic duct and reduce hemostatic pressure in the lymphatic system.
Owner:LXS LLC +1
Immunoassay product and process
ActiveUS20070243628A1Rapid and efficient and convenient to detectReduce liquid volumeWithdrawing sample devicesSurgeryPorous membraneDistributor
A rapid, efficient and convenient method to detect one or more biological entities on a blotting membrane is provided. The detection can relate to the position, nature or amount of the biological substance on one or more membranes. The invention method involves a pressure assisted regiment (such as vacuum or positive gas pressure) for the supply and removal of reagents and permits washing of the contaminants from substances embedded in the membrane to be detected using very low volumes of liquid. This method enables completion of the blocking, washing and antibody binding steps in about 30 minutes without comprising blot quality. In another aspect, the invention is directed to an apparatus useful in conducting the method of the invention. The device is comprised of several layers including a porous support layer below the blotting membrane(s), a flow distributor above the blotting membrane(s) and a well on the flow distributor to contain the liquid to the desired area and to allow for lower starting volumes of such liquid. Preferably, the flow distributor is a non-binding or low binding hydrophilic porous membrane such as a 0.22 micron membrane.
Owner:MILLIPORE CORP
Rapid connection coupling
InactiveUS7073773B2Lower the volumeReduce liquid volumeVessel mounting detailsValve arrangementsHome environmentGas cylinder
Owner:INVACARE CORP
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