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8147753 |
Heat exchanger for medical use and artificial heart-lung machine
A heat exchanger includes a plurality of tubes 2 through an inner cavity of which a heat-transfer medium liquid flows, a sealing member 6 that seals the plurality of tubes 2 while exposing both...
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8142717 |
Oxygenator of a hollow fiber membrane type
The invention provides an oxygenator of a hollow fiber membrane type where a plurality of hollow fiber membranes are received in a housing, wherein at least a part of the regions of the hollow...
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8070952 |
Apparatus and method for the treatment of blood
The invention relates to an apparatus and method for simultaneous extrarenal blood purification therapy and respiration support therapy. The apparatus includes a CO2 removing means having a first...
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7927544 |
Paracorporeal respiratory assist lung
A paracorporeal respiratory assist lung is configured with an annular cylindrical hollow fiber membrane (fiber bundle) that is rotated at rapidly varying speeds. Fluid (for example, blood) is...
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7867214 |
Systems and methods for performing peritoneal dialysis
In a peritoneal dialysis embodiment of the present invention, spent dialysate from the patient's peritoneal cavity passes, along a patient loop, through a dialyzer having a membrane that separates...
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7846121 |
Device for extracorporeal irradiation of a liquid containing bilirubin, and method therefor
The invention concerns a device for the extracorporeal irradiation of a patient's (P) bodily fluid containing bilirubin, comprising a first (10) and a second (12) line which can be connected to the...
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7794669 |
Chemical reaction cartridge
Disclosed is a chemical reaction cartridge including a substrate which is a rigid body and an elastic body, and a flow path and two or more chambers connected by the flow path are formed inside the...
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7749435 |
Oxygenator
An oxygenator which helps avoid bubbles in the blood from being discharged through the blood outlet port of the oxygenator includes a housing, a hollow fiber membrane bundle in the housing and...
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7713226 |
On demand and post-treatment delivery of saline to a dialysis patient
Apparatus for use in a dialysis system are disclosed including an apparatus for delivering saline during dialysis treatment, an apparatus for delivering saline to a patient after dialysis treatment...
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7686777 |
Plasma lipids in-vitro filtering method and apparatus
An in-vitro blood plasma lipids filtering method includes the following steps: separating out the blood plasma from the blood collection; flushing a filtering device with saline solution;...
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7625351 |
System, method and apparatus for purifying biological fluids such as blood and constituents thereof
Provided herein is an innovative hemoperfusion system and method including a thermal-fused broad-spectrum biocidal iodinated interactive polymer for the treatment of biological contaminants in body...
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7615028 |
Extracorporeal blood treatment and system having reversible blood pumps
An extracorporeal blood treatment system including: a blood circuit having a first blood passage coupled at a first end to a first end of a blood treatment device and a second blood passage coupled...
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7531133 |
Use of nitric oxide gas in an extracorporeal circuitry to treat blood plasma
A method of reducing pathogens in blood by exposure to a nitric oxide containing gas in an extracorporeal circuitry is provided. The method includes: obtaining blood from a mammal or a blood...
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7520988 |
Cross-flow filter cassette
An improved cross-flow filtration unit utilizing at least one two-ply membrane is disclosed that has a particular pore size relationship in the two membrane layers.
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7498275 |
Artificial pulmonary capillary
The present invention is directed to a photolytic cell, and to a photolytic artificial lung incorporating such a cell. The photolytic artificial lung converts water to oxygen for blood absorption,...
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7488302 |
Device allowing serial use of clean and alternative blood filters during blood filtration
A device that allows for serial (time) use of clean blood filters during the use of a heart lung machine. The device is comprised of a series of filters and a switching mechanism that allows the...
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7455812 |
Method and apparatus for controlled reoxygenation
A method and apparatus for performing coronary perfusion and cardiac reoxygenation that enables accurate control of oxygen levels in blood used for the coronary circulation. Deoxygenated blood and...
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7435342 |
Dialysate regeneration system for portable human dialysis
A dialysate regeneration chamber is provided. In one embodiment, the dialysate regeneration chamber may include a toxin trap configured to selectively trap toxins and repel select cations.
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7431754 |
Artificial lung
An artificial lung includes a housing, a tubular hollow fiber membrane bundle contained in the housing and providing a multiplicity of hollow fiber membranes having a gas exchange function, a gas...
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7399717 |
Oxygen generation in whole blood by photolytic activation
Apparatus and methods for photolytic oxygenation of whole blood.
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7347849 |
Modular medical treatment replaceable component
A first flow path is defined within a first panel that forms a part of an extracorporeal fluid circuit. A second flow path is defined within a second panel that also forms a part of the...
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7198751 |
Disposable, integrated, extracorporeal blood circuit
A disposable, integrated extracorporeal blood circuit employed during cardiopulmonary bypass surgery performs gas exchange, heat transfer, and microemboli filtering functions in a way as to...
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7129082 |
Bio-reactor device
The invention provides a bio-reactor device and a method of cultivating live cells. The device comprises a holder which contains a matrix of porous foam material in whose interior live cells are...
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7122151 |
Membrane apparatus with enhanced mass transfer, heat transfer and pumping capabilities via active mixing
A combination mass transfer and pump apparatus, which in a single step actively mixes a first mass and a second mass and simultaneously pumps one of the first mass and the second mass through the...
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7067307 |
Bioartificial device for the storage, cultivation and/or multiplication of cells
The bioartificial reactor has a reactor vessel. A cell culture chamber in the reactor, in particular for liver cells, is divided off from a flow chamber for a nutritive medium and from a flow...
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6994824 |
Artificial cardiopulmonary circuit system
To provide an artificial cardiopulmonary circuit system having high heat resistance and excellent blood compatibility. The artificial cardiopulmonary circuit system includes a hollow fiber membrane...
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6949220 |
Artificial heart-lung apparatus
An integrated, artificial heart-lung machine and method for performing extracorporeal blood oxygenation and circulation. The heart-lung machine is a single unit in which a cylindrical artificial...
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6858146 |
Artificial liver apparatus and method
Artificial liver devices and methods for using the devices to purify a biological fluid are disclosed. The methods include the use of living hepatocytes (23) which are either unattached or attached...
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6821790 |
Methods and apparatus for separation of biological fluids
A method of separating a cell-containing sample into a substantially cell-depleted portion, and a cell-containing portion comprising at least one of a stem cell, a lymphocyte, and a leukocyte...
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6508983 |
Exchanger apparatus and method of manufacture
An exchanger and method for manufacturing the same are disclosed. In one embodiment, the exchanger crimps a hollow fiber bundle along a length of a cylindrical case in at least two radial...
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6503225 |
Device for removal of gas bubbles and dissolved gasses in liquid
A device (10) for removal of gas bubbles and dissolves gasses from fluids delivered into a patient during medical procedures is disclosed. A housing (20) having a number of gas permeable hollow...
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6503450 |
Integrated blood oxygenator and pump system
Improvements to integrated blood pump/oxygenator having a rotating hollow fiber bundle assembly that both oxygenates and pumps blood are provided. An inner member arranged along a central axis of...
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6495101 |
Hollow fiber membrane oxygenator
A hollow fiber membrane oxygenator of external blood circulation type has a housing and a lot of porous hollow fiber membranes for gas transfer housed in the housing. In the oxygenator, blood flows...
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6468472 |
Cleaning and decontaminating dialyzers by per-compound solutions
A composition for cleaning and decontaminating medical devices such as dialyzers. A per-compound oxidant, for example, hydrogen peroxide (H2O2) and/or peracetic acid, is mixed with a buffer such as...
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6454999 |
Integrated blood pump and oxygenator system having extended blood flow path
An integrated blood pump/oxygenator having a rotating hollow fiber bundle assembly that both oxygenates and pumps blood is provided that includes a plurality of partitions disposed within or about...
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6454998 |
Blood circulation apparatus coupling device which improves biocompatibility of inner surfaces with treated blood
A coupling is connectable to an access of a blood compartment. The compartment has at least one inner surface intended to be coated with at least one molecular layer of a substance soluble in an...
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6428747 |
Integrated extracorporeal blood oxygenator, pump and heat exchanger system
An integrated blood pump, oxygenator and heat exchanger is provided having a rotating hollow fiber bundle assembly. A plurality of vanes arranged along a central shaft of the device increase...
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6409921 |
Integrally asymmetrical polyolefin membrane for gas exchange
Process for producing hydrophobic polyolefinic membranes for gas exchange via thermally induced liquid-liquid phase separation is disclosed. A solution of at least one polyolefin in a solvent...
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6395226 |
Alkoxysilane/alkysilane copolymer coating of medical devices
A coating for microporous hollow fiber membrane blood oxygenators increases the resistance of the fibers to passage of blood plasma through the micropores. The coating comprises...
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6379619 |
Artificial gut
An artificial gut (100) comprises a first hollow fiber (203) having an inner surface (215) that is lined with at least a portion of a layer of one or more of a plurality of biological components...
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6379618 |
Integrated blood oxygenator and pump system having means for reducing microbubble generation
Improvements to integrated blood pump/oxygenator having a rotating hollow fiber bundle assembly that both oxygenates and pumps blood are provided. A plurality of vanes arranged along a central...
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6350411 |
Microporous hollow fiber blood oxygenator
The present invention is to a process for blood oxygenation using a microporous fiber membrane. The use of the hollow fiber allows improvements in plasma break through results. The oxygenator...
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6339108 |
Oxygenator membrane
The invention relates to an oxygenator membrane based on organically modified silicic-acid polycondensates into a process for preparation thereof. The oxygenator membrane is obtainable by...
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6331272 |
Method and membrane system for sterilizing and preserving liquids using carbon dioxide
Microorganisms are destroyed and enzymes can be inactivated in liquids, such as juices for example, by continuously flowing the liquid and continuously flowing pressurized dense CO2 along flow...
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6312647 |
Method for enriching a fluid with oxygen
A membrane oxygenator may receive a supply of pressurized oxygen and a supply of pressurized fluid, such as water or blood. In one example, a plurality of tubular membranes are disposed in a...
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6291249 |
Method using an apparatus for separation of biological fluids
A cell containing sample is separated into a cell containing portion and a substantially cell depleted portion, by mixing the sample with particles to produce a cell containing network, and...
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RE37379 |
High pressure gas exchanger
An apparatus 10 and method for delivering a high partial pressure of a gas into a liquid. The apparatus has a gas transfer device 12 with a housing 14 that includes upstream 16 and downstream 18...
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6267926 |
Device for removing entrained gases from liquids
An apparatus and method for removing entrained gases from a liquid by directing a liquid flow adjacent a substantially hydrophobic microporous membrane material and providing a negative pressure to...
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6258321 |
Apparatus and method for cardioplegia delivery
An apparatus and a method for making a transfer device comprising a tube bundle. The transfer device is suitable for use as a heat exchanger in a blood cardioplegia circuit, for example. The...
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6245295 |
Sample testing apparatus with high oxygen permeable tape providing barrier for closed reaction chamber
A test sample card has a well formed in the card body for receiving a fluid sample containing a microbiological agent or microorganism and a reagent. The test sample card has a membrane in the form...
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