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10686 results about "Line tubing" patented technology
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Performing multi-convolution operations in a parallel processing system
ActiveUS20160062947A1Easy to operateOptimizing on-chip memory usageBiological modelsComplex mathematical operationsLine tubingParallel processing
In one embodiment of the present invention a convolution engine configures a parallel processing pipeline to perform multi-convolution operations. More specifically, the convolution engine configures the parallel processing pipeline to independently generate and process individual image tiles. In operation, for each image tile, the pipeline calculates source locations included in an input image batch. Notably, the source locations reflect the contribution of the image tile to an output tile of an output matrix—the result of the multi-convolution operation. Subsequently, the pipeline copies data from the source locations to the image tile. Similarly, the pipeline copies data from a filter stack to a filter tile. The pipeline then performs matrix multiplication operations between the image tile and the filter tile to generate data included in the corresponding output tile. To optimize both on-chip memory usage and execution time, the pipeline creates each image tile in on-chip memory as-needed.
Owner:NVIDIA CORP
Gas sampling line
ActiveUS9861298B2Improve accuracyReduce distortion problemsDispersed particle separationRespiratory organ evaluationGas analysisLine tubing
A gas sampling line having a channel for conducting respiratory gases from a patient respiratory interface to a gas monitor, the gas sampling line comprising, i.a., a gas sampling tube comprised of a polyether block amide material, the polyether segments of which comprise polyethyleneoxide. Use of a tube comprised of a polyether block amide material, the polyether segments of which comprise polyethyleneoxide, for sampling of respiratory gases; and a method for sampling of respiratory gases, the method comprising conducting respiratory gases through such a tube. A gas analysis system for analyzing respiratory gases, comprising a gas sampling line as defined above and a gas monitor connectable to the gas sampling line.
Owner:JPMORGAN CHASE BANK NA
Wound care system
Disclosed is an apparatus for the treatment of a wound on a patient. The apparatus is capable of administering localized negative pressure therapy to the wound using a negative pressure source and a drain line for removing exudate from the wound. The apparatus is also capable of administering localized hyperbaric fluid therapy to the wound using a fluid source and a supply line for supplying fluid to the wound.
Owner:INTEGRATED HEALING TECH
Methods, systems, and kits for the extracorporeal processing of blood
InactiveUS7004924B1Easy to detectOther blood circulation devicesControl devicesExtracorporeal circulationLine tubing
Methods, systems, and kits for extracorporeally circulating and processing blood are described. The systems include a pump, a processing unit, and blood drawn return lines for accessing a patient's vasculature. Blood flow through the return line is measured and pump speed controlled to maintain a desired blood flow rate. Alarm conditions can be initiated when expected pump performance differs from that needed to maintain the control point flow rate. By using a ultrasonic flow detector, gas bubbles in the blood flow can be detected.
Owner:NXSTAGE MEDICAL
Priming, integrity and head height methods and apparatuses for medical fluid systems
ActiveUS20050126998A1Less timeLeakage is detectedDetection of fluid at leakage pointOther blood circulation devicesDelivery systemFluid system
Improved integrity test, priming sequence and bag height detection tests, apparatuses and methods for a medical fluid delivery system are provided. The integrity test includes a plurality of air pressure decay tests, using positive and negative pressure. The priming sequence includes pumping fluid through a portion of a patient line to be primed to overcome air in the line and other potential obstacles. The head height test measures a pressure build-up or drop-off within a pump chamber of a membrane pump. The measured pressure corresponds to a head height between a fluid supply and the pump or between the pump and a fluid drain. A determination is made whether the corresponding head height is acceptable.
Owner:BAXTER INT INC +1
Method and apparatus for improving measuring accuracy in gas monitoring systems
InactiveUS20060108221A1Accurate and repeatable measurementFacilitate the monitoring of such speciesGas analyser construction detailsMaterial electrochemical variablesLine tubingEngineering
A method and apparatus for improving measurement accuracy in a gas monitoring system is provided. The apparatus can be connected to a plurality of gas sample lines each containing a gas sample. The gas samples are routed through a number of delivery channels which are fewer in number than the plurality of sample lines. Each delivery channel is alternatively coupled to a detector which identifies contaminants present in the gas samples. Each delivery channel includes a voltage sensitive orifice (VSO). The VSO's are operated by a controller and provide gas samples at a constant flow and a constant pressure to the detector independent of the length of the gas sample line being measured.
Owner:ENTEGRIS INC
Nasal cannula assembly
A nasal cannula assembly designed for contact with the nasalabidial area of a patient's face comprising a nasal cannula, a pair of oxygen supply tubes connected to opposite ends of the nasal cannula and a main oxygen supply line. The nasal cannula is made of a flexible plastic material molded into a light-weight hollow tubular member having a main body portion formed at an acute angle in the center and having a pair of spaced exterior orifices projecting from the body at an angle and curved upwardly and inwardly for directing gas flow into a patient's nostrils. Attachment points for oxygen supply tubes are above center of gravity of the nasal cannula to make it self-righting thus eliminating need for stiff supply tubing to orient cannula. Oxygen supply tubes made from ultra-high molecular weight PVC possess superior flexibility and low compression set so that little tension on the tubing is required to hold cannula in proper position. A main oxygen supply line made from ultra-high molecular weight PVC resists the formation of twisted loops that tend to block oxygen flow.
Owner:THOMPSON PAUL S
Hollow floor slab with small dense ribs and its production process
InactiveCN1637217ALarge spanSafe and reliable structureFloorsForms/shuttering/falseworksFloor slabLine tubing
The hollow floor slab includes column, solid belt, solid reinforced beam with dense ribs, reinforced facing board, and composite box with lower thin bottom board. The production process includes: a) laying and tying reinforcing steel bar in the floor slab formwork; b) laying the steel wire net and other reinforcing material; c) setting and fixing made composite thin box; d) tying reinforcing steel bar for the facing board; e) fixing reinforcing bars with iron wire; and f) embedding prefabricated pipeline inside the facing board and the dense ribs. The present invention may produce flat sealed floor slab cavity with dense ribs in once deposition.
Owner:HUNAN BDF ENERGY SAVING TECH
Apparatus and methods for analyzing body fluid samples
Owner:OPTISCAN BIOMEDICAL
Multi-threading processors, integrated circuit devices, systems, and processes of operation and manufacture
ActiveUS20070204137A1Avoid issuingDigital data processing detailsGeneral purpose stored program computerLine tubingCoupling
A multi-threaded microprocessor (1105) for processing instructions in threads. The microprocessor (1105) includes first and second decode pipelines (1730.0, 1730.1), first and second execute pipelines (1740, 1750), and coupling circuitry (1916) operable in a first mode to couple first and second threads from the first and second decode pipelines (1730.0, 1730.1) to the first and second execute pipelines (1740, 1750) respectively, and the coupling circuitry (1916) operable in a second mode to couple the first thread to both the first and second execute pipelines (1740, 1750). Various processes of manufacture, articles of manufacture, processes and methods of operation, circuits, devices, and systems are disclosed.
Owner:TEXAS INSTR INC
Patient fluid line access valve antimicrobial cap/cleaner
Cap and cleaning devices antiseptically maintain patient fluid line access valves to minimize the risk of infection via catheters. The devices have a cap that may contain a dry pad impregnated with an antimicrobial agent. The cap covers the access portion of the access valve when not in use. The devices have a hood that contains a wet pad impregnated with a cleaning solution and, optionally, an antimicrobial agent. The wet pad cleans the access portion of the access valve prior to and optionally, after the access valve is utilized to access the patient fluid line.
Owner:BECTON DICKINSON & CO
Systems and methods for power and flow rate control
The invention is generally directed to systems and methods for fluid control, and more particularly to systems and methods for power and flow rate control for aspiration. In accordance with one embodiment, an aspiration system includes an aspiration line having distal and proximal ends and an aspiration port defined in the distal end; a fluid transport device operatively coupled to the proximal end of the aspiration line; and a flow restrictor operatively coupled to the aspiration line in between the fluid transport device and the aspiration port. To measure occlusion within the line, first and second pressure sensors are utilized, the first sensor being operatively coupled to the aspiration line between the port and the restrictor and the second sensor being operatively coupled to the aspiration line between the restrictor and the fluid transport device. The pressure differential between the two sensors can provide an indication of the onset, presence, and / or elimination of an occlusion.
Owner:JOHNSON & JOHNSON SURGICAL VISION INC
Nares seal
InactiveUS20060081250A1Reduce the overall diameterLess thicknessRespiratorsBreathing filtersNostrilStoma
Apparatus for fitting to the head of a patient for supply of gas to the nose at a positive pressure for treatment of snoring and sleep apnea comprises headgear for fitting to the head of a patient. A mask support forms part of said headgear and is held, in use, by portions of said headgear in a stable position above the nose of the patient. The mask support includes a manifold chamber, a first connector opening above said manifold chamber for attachment of a gas supply line and a second connector depending from said manifold chamber. The above apparatus may be used with a novel nasal mask which is a nares seal that may be removably connected to said second connector by a third connector forming part of said seal and having an air orifice formed therethrough. The seal further comprises first and second laterally spaced delivery tubes connecting with said air orifice and defining between them a generally triangular open space which extends, when in use, downwardly to a point below the nose of a patient. The delivery tubes thence curves inwardly and upwardly to approach the nose of a patient and supports first and second nostril tubes connected with said delivery tubes for insertion into the nares of a patient. Wire support for said laterally spaced tubes extends from the connector to about where said tubes curve inwardly and upwardly.
Owner:SOMNETICS INT INC
Infusion device for medical use
InactiveUS7316662B2Simple structureSimple meansElectrotherapyFiltering accessoriesLine tubingInfusion set
Owner:GAMBRO LUNDIA AB
Blood line connector for a medical infusion device
InactiveUS20100056975A1Easy to useOptimize locationDialysis systemsMedical devicesLine tubingDialysis fluid
A blood line connector for a blood circuit of a hemodialysis unit with an ability to make two different types of fluid tight connections, e.g., a screw-type connection with a luer connector at a patient access and a press-in type connection with a dialysate circuit. The blood line connector may include a tube connection end arranged to sealingly engage with a blood circuit tube, and a patient access connection end with a frustoconical member having an internally threaded portion arranged to engage with an externally threaded patient access, and a pair of locking arms extending rearwardly from the frustoconical member. The locking arms may each have a finger depression portion and a barbed portion, and may be arranged to engage with a mating connector on the dialysis unit at the barbed portions to lock the frustoconical member in sealing engagement with the mating connector when making a press-in type connection.
Owner:DEKA PROD LLP
Multichannel coordinated infusion system
An infusion system comprises a first pump device that delivers a first infusate, preferably a medication, to an IV infusion line and a second pump device that delivers a second infusate, preferably a neutral carrying solution, to the IV line. The infusion system also includes a measurement device that determines an amount of undelivered first infusate remaining in a receptacle. Furthermore, the infusion system includes a control system that communicates with the first and second delivery devices and the measurement device to determine an optimum first infusate infusion flow rate based on the determined amount of undelivered first infusate remaining in the system, a predetermined volume of fluid to be infused, and a predetermined infusion time period, and for controlling the first delivery unit accordingly. The present invention also provides methods for infusing a medication into a patient.
Owner:CAREFUSION 303 INC
Wellbore circulation system
InactiveUS6412554B1Fast connection timeNot to damageDrilling rodsConstructionsLine tubingCoiled tubing
A system for continuously circulating fluid to and through a tubular string either of coiled tubing or made up of a plurality of tubulars connected end-to-end while an upper tubular is added to or removed from a top tubular of the plurality of tubulars, all tubulars having a top-to-bottom fluid flow channel therethrough, the system having an upper chamber with a bottom opening, a top opening, and an upper sealing apparatus for sealingly encompassing a portion of the upper tubular, a lower chamber with a bottom opening, a top opening and a lower sealing apparatus for sealingly encompassing a portion of the top tubular, one of the upper chamber and the lower chamber sized for accommodating connection and disconnection therein of the upper tubular and the top tubular, and gate apparatus between and in fluid communication with the upper chamber and the lower chamber. Such a system may have apparatus for isolating a tubular therein from an axial load imposed by fluid pressure in a chamber; at least one of the lower chamber and the upper chamber with inner bushing apparatus with a portion thereof movably disposable within the chamber's sealing apparatus for facilitating movement of a tubular with respect to the chamber's sealing apparatus, and the system connectible to and rotatable by a rotating system for rotating the tubular string; and / or heave compensation interconnections for interconnecting the system to an offshore rig's heave compensation system. The system in certain aspects including fluid flow lines to each of the top and bottom chambers, a supply of fluid for circulating through the tubular string and through the upper and lower chambers, apparatus for continuously moving circulating fluid from the supply through the system into the tubular string.
Owner:WEATHERFORD TECH HLDG LLC
Drilling system and method for controlling equivalent circulating density during drilling of wellbores
A drilling system for drilling subsea wellbores includes a tubing-conveyed drill bit that passes through a subsea wellhead. Surface supplied drilling fluid flows through the tubing, discharges at the drill bit, returns to the wellhead through a wellbore annulus, and flows to the surface via a riser extending from the wellhead. A flow restriction device positioned in the riser restricts the flow of the returning fluid while an active fluid device controllably discharges fluid from a location below to just above the flow restriction device in the riser, thereby controlling bottomhole pressure and equivalent circulating density (“ECD”). Alternatively, the fluid is discharged into a separate return line thereby providing dual gradient drilling while controlling bottomhole pressure and ECD. A controller controls the energy and thus the speed of the pump in response to downhole measurement(s) to maintain the ECD at a predetermined value or within a predetermined range.
Owner:BAKER HUGHES INC
Hydraulic circuit with a return line metering valve and method of operation
A hydraulic system controls the flow of fluid to and from several functions on a machine. Each function has a valve assembly through which fluid is supplied under pressure from a source to an actuator and through which fluid returns from the actuator to a shared return line connected by a return line metering valve to the system tank. There are several regeneration modes of operation in which fluid exhausted from one port is supplied into the other port of the same actuator, which eliminates or reduces the amount of hydraulic fluid that must be supplied from the source. In some regeneration modes, input fluid for an actuator is obtained from another hydraulic function via the shared return line. In these regeneration modes an electronic controller operates the return line metering valve to restrict fluid from flowing into the tank from the shared return line, so that the fluid will be available to be supplied into an actuator port.
Owner:HUSCO INT INC
Transtracheal oxygen stent
An apparatus and method for implanting a surgical apparatus including a first flange having an opening, a second flange having an opening, and a shaft having a lumen connecting the first and second flange openings. The surgical apparatus is inserted into a stoma formed in the trachea of a patient. The surgical apparatus receives and secures an oxygen supply line for patients who have difficulty breathing.
Owner:E BENSON HOOD LAB
Medical/surgical waste collection unit with a light assembly separate from the primary display, the light assembly presenting information about the operation of the system by selectively outputting light
ActiveUS10420865B2Easily determine informationSure easyMedical devicesIntravenous devicesLine tubingDisplay device
A waste collection unit (40) with a primary display (106) on which information about the operation of the unit is presented. In addition to the primary display there is a light assembly (662) adjacent the fitting (614) to which a suction line is attached. The light assembly emits light of selectively colors or in a selected pattern based on an operation state of the waste collection unit.
Owner:STRYKER CORP
System and method for data communications over a gas hose in a welding-type application
ActiveUS20060213892A1Shielding gas supply/evacuation devicesElectric discharge heatingLine tubingCommunications system
The present invention includes a system and method of controlling a remotely located welding-type power source. A communications system includes a user interface to accept a user input at a portable location and a gas purging device to systematically purge pressurized gas from a gas line connecting the portable location to a remote location based on the user input. The communications system also includes a sensor to sense pressure changes in the gas line at the remote location and a processor configured to convert the sensed pressure changes to a representation of the user input.
Owner:ILLINOIS TOOL WORKS INC
Suction and Discharge Lines for a Dual Hydraulic Fracturing Unit
An electrically powered hydraulic fracturing system includes pumps for pressurizing fracturing fluid, piping for carrying fracturing fluid, and field connections in obliquely oriented segments of the piping. The connections are between lead lines that couple directly to the pumps and lines carrying fluid to and from the pump; and are assembled and disassembled in the field. Operations personnel can more easily manipulate connections that are obliquely oriented than those that are horizontal or vertical.
Owner:US WELL SERVICS LLC
System, Method, and Apparatus for Detecting Air in a Fluid Line Using Active Rectification
ActiveUS20140165703A1Reduce errorsAnalysing fluids using sonic/ultrasonic/infrasonic wavesLine tubingElectrical and Electronics engineering
A circuit for detecting air, a related system, and a related method are provided. The circuit for detecting air includes a receiver connection and an air-detection circuit. The receiver connection is configured to provide a receiver signal. The air-detection circuit is in operative communication with the receiver connection to process the receiver signal to generate a processed signal corresponding to detected air. The air-detection circuit includes one or more active-rectifying elements configured to actively rectify the receiver signal to provide the processed signal.
Owner:DEKA PROD LLP
Patient interface and non-invasive positive pressure ventilating method
ActiveUS20090014007A1Convenient treatmentReduce decreaseRespiratory masksBreathing masksNasal bridgeLine tubing
A patient interface for use in delivering a flow of breathable gas to an airway of a patient includes a first seal adapted to contact the patient's face and seal a first space between the patient interface and the patient's face at a first positive pressure; and a second seal adapted to contact the patient's face and seal a second space between the patient interface and the patient's face at a second positive pressure. The first seal also seals the first space from the second space. A leak reducing element may be provided on a seal to reduce and / or diffuse leakage of gas. A vacuum line configured to create a negative pressure may be provided in the second space to remove any gas leaking from the first space to the second space. A seal may be connected to a conduit for delivering the flow of gas that is incorporated into a frame of the patient interface. The seal may be inflatable by the flow of breathable gas to pressurize the seal against the patient's face and include a vent that directs the flow of breathable gas to a space between the patient interface and the patient's face. A cuff may be provided over the seal in the nasal bridge region to direct any leakage of the gas flow from the seal in the nasal bridge region in a direction away from the patient's eyes.
Owner:RESMED LTD
Apparatus and methods for analyzing body fluid samples
An apparatus is provided for monitoring a predetermined parameter of a patient's body fluid while infusing an infusion fluid into the patient. The apparatus comprises an infusion line and a catheter configured for insertion into a blood vessel of the patient, and a reversible infusion pump connected between a source of an infusion fluid and the infusion line and catheter. The apparatus further comprises a body fluid sensor assembly mounted in fluid communication with the infusion line and which includes a first sensor and a sample cell. The first sensor provides a signal indicative of a predetermined parameter of any fluid present in the infusion line. The sample cell is substantially transmissive to light comprising a wavelength B. The apparatus further comprises a controller that is configured to operate the infusion pump in a forward direction so as to pump the infusion fluid through the infusion line and catheter for infusion into the patient. The controller is configured to intermittently interrupt its operating of the infusion pump in the forward direction to operate the infusion pump in a rearward direction so as to draw a body fluid sample from the patient through the catheter and infusion line. The body fluid sample drawn from the patient is disposed such that a first portion of the body fluid sample is in sensing contact with the first sensor of the body fluid sensor assembly, and a second portion of the body fluid sample is disposed within the sample cell of the body fluid sensor assembly. The controller further is configured to monitor the signal provided by the first sensor of the body fluid sensor assembly and to detect a change in the signal indicative of the arrival of the body fluid sample at the first sensor. The controller, in response to detecting the arrival of the body fluid sample at the first sensor, is configured to cease its operating of the infusion pump in the rearward direction. The signal produced by the first sensor provides an indication of a predetermined parameter of the patient's body fluid when the body fluid sample is in sensing contact with the first sensor.
Owner:OPTISCAN BIOMEDICAL
Priming, integrity and head height methods and apparatuses for medical fluid systems
ActiveUS7575564B2Consumes less timeLeakage is detectedDetection of fluid at leakage pointOther blood circulation devicesLine tubingPump chamber
Improved integrity test, priming sequence and bag height detection tests, apparatuses and methods for a medical fluid delivery system are provided. The integrity test includes a plurality of air pressure decay tests, using positive and negative pressure. The priming sequence includes pumping fluid through a portion of a patient line to be primed to overcome air in the line and other potential obstacles. The head height test measures a pressure build-up or drop-off within a pump chamber of a membrane pump. The measured pressure corresponds to a head height between a fluid supply and the pump or between the pump and a fluid drain. A determination is made whether the corresponding head height is acceptable.
Owner:BAXTER INT INC +1
Hybrid modular/decoder irrigation controller
A plurality of receptacles in an irrigation controller removably receive a plurality of modules. At least one station module is configured for insertion into a first one of the receptacles and is connectable to a corresponding solenoid actuated valve through a dedicated field valve line and common return line. The station module includes at least one switching device for selectvely providing a first power signal that energizes the corresponding solenoid actuated valve. At least one encoder module is configured for insertioninto a second one of the receptacles and is connectable to a multi-wire path for sending encoded signals and a second power signal along the multi-wire path for selectively energizing one of a plurality of solenoid actuated valves connected to corresponding decoder circuits connected along the multi-wire path. A processor executes the stored watering program and controls the station module and / or the encoder module in accordance with the stored watering program.
Owner:HUNTER INDUSTRIES
Injection port valve
Injection port valves are generally discussed herein and more particularly to port valves that have a valve housing with a nozzle having an inlet opening, a body section, a skirt section, an interior cavity, and a valve seat at an intersection of the first nozzle and the body section in the interior cavity. A piston may be positioned within the interior cavity of the valve housing having a body section having an exterior surface, an upper piston section, a seal surface, and a piston cavity, and wherein the body section includes a wall layer that emits lubricant from within the wall layer to the exterior surface. A nut, which may be a Luer nut, having a flow passage in communication with a discharge nozzle having a discharge lumen may be attached to an end of the skirt section of the valve housing to thereafter connect to an infusion line. A spring can be positioned within the piston cavity and abutting against the nut, wherein when used, the spring being in a first position when the seal surface of the piston is abutted against the valve seat of the valve housing, and the spring being in a second position when the seal surface of the piston is separated from the valve seat.
Owner:B BRAUN MEDICAL
Coupling device for medical lines
A coupling device for coupling a patient-side medical line to an equipment-side medical line. The device includes two parts, one fluidly coupled to each medical line, and each part having a seal that seals the respective medical line when the parts are disconnected. When the parts are connected, the seals unseal the medical lines so as to establish fluid communication between the medical lines. The parts are connected together by way of a coupling that detaches when subjected to a sufficient separation force. The coupling may be a snap-fit mechanism incorporating a rounded protrusion and a rounded groove that pull apart under a sufficient force. The coupling device provides for a safety breakaway feature while sealing both medical lines when disconnected.
Owner:B & D RES & DEV
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