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5900142 |
Mass and thermal transfer means for use in heart lung machines, dialyzers, and other applications
The process, particularly useful in blood oxygenators, whereby a differential velocity between a fluid and a diffusing surface of hollow tubes by a rotating member such that the boundary layer is...
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RE36125 |
Mass transfer device having a hollow fiber bundle
A mass transfer device including a hollow fiber bundle wound on a core for radially outward flow of a first fluid. The core has an axis extending from one end to the other. The hollow fiber bundle...
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5863501 |
Oxygenator priming method
A method for improving priming of an integrated oxygenator and heat exchanger which includes pretreating the integrated hollow fiber oxygenator and heat exchanger device with a surfactant....
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5851486 |
Spray spun filter cartridges for cardiotomy filter/defoamer
A simple, self-supporting cardiotomy filter/defoamer is formed by a 20 μm cylindrical spray spun hollow plastic filter cartridge impregnated with an anti-foaming agent.
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5817279 |
Apparatus for processing fluids, in particular blood
Apparatus for processing fluids, in particular blood, includes a housing having an fluid inlet port and a fluid outlet port, with the housing being formed by an outer tube, an intermediate tube set...
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5800778 |
Sealant for sample holder
An improved sealant for a biocard or other sample holder is provided. The sealant achieves low weight, good tensile strength, and high oxygen permeability while avoiding excessive fluid...
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5772960 |
Container for medical use
Containers for medical use comprising a storage portion formed of a soft polyvinyl chloride resin containing a vinyl chloride resin and diundecyl pthalate (DUP) as a plasticizer wherein the sheet...
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5770149 |
Extracorporeal blood oxygenation system having integrated blood pump, heat exchanger and membrane oxygenator
An extracorporeal blood oxygenation system comprising an integrated blood pump/heat exchanger/membrane oxygenator assembly which is mountable upon, and engageable with, a separate motor/drive...
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5762870 |
Exchange structure for biomedical equipment
The structure has a core which may be a strand or braid, as well as a sheath surrounding the core and defining the exchange surface. Preferred applications are for biomedical equipment such as...
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5762869 |
Blood oxygenator
A blood oxygenator having a housing with an outer walled portion and a top portion and bottom portion. Blood is introduced through the bottom portion of the housing to be oxygenated by a fiber...
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5762868 |
Blood oxygenator and heat exchanger
An integral blood oxygenator and heat exchanger device for oxygenating and heating or cooling a patient's blood during heart bypass surgery. The device preferably includes a pleated blood filter...
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5744302 |
Method for separating molecules
The present invention provides various novel covalently modified sapphyrin derivatives and conjugates; polymers including sapphyrin or derivatives thereof; and chromatographic supports including...
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5741424 |
Method of facilitating oxygen transport in blood oxygenators
Oxygen transfer to blood plasma in a blood oxygenator using a microporous membrane exposed to blood on one side and to oxygen on the other is facilitated by bonding an oxygen-carrying chemical such...
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5718869 |
Wound heat exchanger oxygenator
A low prime, high heat exchange efficiency oxygenator is provided which includes an oxygenation portion and a heat exchanger portion. Disposed within the heat exchanger portion is a hollow tube...
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5698161 |
Hollow, multi-dimensional array membrane
A gas permeable membrane including a plurality of conduit members which are formed of a gas permeable material, The conduit members are unitarily formed with one another and oriented to intersect...
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5695717 |
Gas exchange apparatus
A gas exchange device (100) with an extracorporeal blood circuit (102) in which a blood pump (110) is connected, with a CO 2 exchange unit (112), and an oxygenator (128), whereby the gas exchange...
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5674452 |
Hollow fiber exchangers
An exchanger includes an outer casing having an inlet port and an outlet port for a first fluid, and an inlet port and an outlet port for a second fluid, and a bundle of hollow fibers located...
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5626819 |
Blood oxygenators
Provided is an improved disk oxygenator having a hollow median longitudinal shaft with a plurality of orifices to allow oxygen to be diffused radially through a cylindrical reservoir. Also provided...
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5614378 |
Photobioreactors and closed ecological life support systems and artifificial lungs containing the same
A photobioreactor system for efficient oxygen production for a closed ecological life support system (CELSS) is disclosed. Special features of this system include, e.g., the optical transmission...
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5609632 |
Method of fabricating an artificial lung
An artificial lung is created by taking an animal lung, filling either its circulatory system or its respiratory system with a hardenable liquid, hardening the liquid, then dissolving the natural...
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5601757 |
Gasification-tube module and reactor for cell cultivation
A cell culture reactor can have one or more gasification modules in which tubular membrane hoses surround rigid inner tubes which extend above the membranes to communicate with gas inlets or...
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5591404 |
Integrated low priming volume centrifugal pump and membrane oxygenator
A low priming volume integrated centrifugal pump and membrane oxygenator comprising a housing (10) containing a mass transfer bed (40) comprising gas permeable hollow membrane fibers (38) placed...
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5582794 |
Medical instrument
The blood flow channel sections of an oxygenator and a blood resevoir are hydrophilized by treatment with an acid, an albumin solution, polyhydroxy methacrylate, corona discharge, plasma or ozone,...
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5580522 |
Blood oxygenation system and reservoir and method of manufacture
A novel integral cardiotomy/venous blood reservoir, blood oxygenator and heat exchanging device, method of making a blood oxygenating and heat exchanging device and an extracorporeal circulatory...
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5489413 |
Hollow fiber blood oxygenator
An exchanger includes an outer casing having an inlet port and an outlet-port for a first fluid, and an inlet port and an outlet port for a second fluid, and a bundle of hollow fibers located...
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5474740 |
Biphasic foam blood mass transfer device
The present invention relates to apparatus for transferring constituents into and out of a fluid such as blood. The apparatus includes a biphasic foam body which functions as a blood oxygenator,...
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5470531 |
Exchanger and method for manufacturing the same
An exchanger for oxygenating blood includes a casing having walls and a cavity, sheet material with first and second ends covering distal edges of the walls, and a cover extending over the cavity...
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5395468 |
Method of construction of a mass transfer device
A mass transfer device and method of construction thereof. The mass transfer device may be an oxygenator having a fiber bundle comprised of hollow gas permeable fibers. The method of making the...
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5395525 |
Apparatus for exchanging substances
An apparatus for exchanging substances, such as artificial lung, in which, for raising exchange efficiency by feeding liquid to the outer wall of hollow fiber membranes efficiently without...
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5391580 |
Poly(sulfone-alpha-olefin) composite permselective membrane article for use in blood oxygenation
A biocompatable multi-layer article suitable for use in blood oxygenation is disclosed. The article is made up of a microporous polypropylene tube, a perm-selective, water vapor impermeable, carbon...
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5382407 |
Membrane blood oxygenator
A membrane oxygenator is disclosed. The oxygenator has a housing, gas and blood inlets and outlets, and a transfer membrane mechanism for transferring oxygen to blood. The oxygenator has a device...
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5372709 |
Fluid flow control apparatus
A fluid control apparatus for use in separation and filtration having a removable sterilizable and disposable element which is engagable with a fixed element in the apparatus. When the two elements...
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5358689 |
Hollow fiber blood oxygenator
A hollow fiber blood oxygenator is provided having an plurality of enclosed, coaxial heat exchanger coils, having a common header to insure uniform temperature in the coils. An enclosed fiber...
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5354470 |
Porous polypropylene membrane and method for production thereof
A porous polypropylene hollow fiber membrane constructed and arranged for artificial lung use and an artificial lung. The membrane includes a solid phase in an inner surface region thereof formed...
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5346621 |
Hollow fiber blood oxygenator
A radial flow hollow fiber blood oxygenator is provided. The oxygenator includes a hollow fiber bundle within an oxygenator chamber defined by a hollow core around which the hollow fibers are wound...
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5344702 |
Coated fibers
Fibers coated with thin polymeric films are disclosed and claimed. In a preferred embodiment, microporous fibers are coated with a pre-cast polymeric film having a thickness of about 200 to about...
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5338512 |
Method for oxygenation of a patient's blood
A device including an integrally formed membrane oxygenator and heat exchange device positioned in a single housing. The device includes a thermally conductive body formed with a plurality of blood...
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5316724 |
Multiple blood path membrane oxygenator
A membrane oxygenator designed to provide blood flow evenly across a gas permeable membrane in a direction substantially perpendicular to the longitudinal direction of the gas permeable membrane....
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5312589 |
Gas transfer apparatus
A gas transfer apparatus readily adapted for oxygenating blood includes a housing with a hollow internal chamber having a fiber mat consisting of two sets of intermingled hollow fibers with one set...
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5294401 |
Membrane type of oxygenator and method for production thereof
A membrane type oxygenator for effecting exchange of gases with a porous gas-exchange membrane possessing minute through pores forming a path for gas, which membrane type oxygenator is...
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5286449 |
Adsorber module for whole blood treatment and an adsorber apparatus containing the adsorber module
A novel adsorber module for whole blood treatment is disclosed, which comprises a casing provided with a blood inlet and a blood outlet and a bundle of a plurality of porous hollow fibers disposed...
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5270004 |
Cylindrical blood heater/oxygenator
A compact, cylindrical integrated blood heater/oxygenator in which the blood flows transversely to the axial direction of hollow heat exchange and oxygenation fibers. Blood enters a longitudinally...
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5270005 |
Extracorporeal blood oxygenation system incorporating integrated reservoir-membrane oxygenerator-heat exchanger and pump assembly
An extracorporeal blood oxygenation system comprising an integral blood processing unit having a blood reservoir/oxygenator/heat exchanger/pump and pump motor and a remote control console...
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5266265 |
Modular disposable blood oxygenator/heat exchanger with durable heat source component, selectively including rotary or ventricular blood pump, venous reservoir, and auxiliary heat exchange component
A blood oxygenator/heat exchanger system includes disposable and durable components, the latter being possible of permanent installation to further reduce costs, inconvenience and risks of use. The...
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5236665 |
Hollow fiber treatment apparatus and membrane oxygenator
A hollow fiber membrane fluid treatment apparatus for the transfer of mass or energy through the membrane is disclosed. It is designed particularly, but not only, for use in membrane oxygenators....
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5230862 |
Apparatus for extracorporeal blood oxygenation
An extracorporeal blood oxygenation device having a sealed casing containing a bundle comprised of a plurality of gas permeable tubes for efficient gas transfer. The bundle is woven from tubes...
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5225161 |
Integrated membrane blood oxygenator/heat exchanger
A device including an integrally formed membrane oxygenator and heat exchange device positioned in a single housing. The device includes a thermally conductive body formed with a plurality of blood...
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5217689 |
Blood oxygenation system
A blood oxygenation system includes an oxygenator for oxygenating blood and a heat exchanger for regulating blood temperature. The heat exchanger includes a heat exchange coil that provides a flow...
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5196166 |
Blood storage tank
A blood reservoir has a blood storage section for temporarily storing blood, a blood discharge port defined in a bottom of the blood storage section for discharging the blood, the blood discharge...
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5192499 |
Fluid processing apparatus and artificial lung
The fluid processing apparatus of the present invention comprises a housing having a first fluid inlet and a first fluid outlet; a fluid processing tubular means received in the housing; partitions...
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