Matches 101 - 150 out of 273 < 1 2 3 4 5 6 >
Match Document Document Title
5188801 Device for the treatment of blood  
The invention relates to a blood-treatment device including hollow fibers which are suitable for conveying a fluid and are in a plurality of superposed layers arranged in directions which are...
5162101 Oxygenator wedge configuration  
A device (10) having a blood oxygenator (12) and heat exchanger (14) of the outside perfusion type. The blood oxygenator (12) employs a tightly packed, crisscrossing bundle of gas permeable hollow...
5162102 Medical instrument and production thereof  
A medical instrument having a blood contact portion formed of a hydrophobic material, wherein a surface-active agent safe to a human body is deposited onto part or the entirety of the blood contact...
5160332 Blood reservoir  
A blood reservoir serves to suppress generation of air bubbles in blood in an extracorporeal blood circulation circuit. The blood reservoir includes a blood storage chamber for temporarily storing...
5160615 Hollow fiber type liquid processing apparatus  
The hollow fiber type blood processing apparatus of the present invention comprises a housing, a bundle of hollow fibers which consists of a great number of hollow fibers for processing blood and...
5158533 Combined cardiotomy/venous/pleural drainage autotransfusion unit with filter and integral manometer and water seal  
A combined cardiotomy and venous reservoir with filtration for autotransfusion of cardiotomy blood and venous blood during surgery and for postoperative wound site pleural drainage of shed blood...
5139741 Blood processing apparatus of hollow fiber type  
A housing accommodates a hollow fiber bundle such that a blood port zone is defined between an open end surface of the hollow fiber bundle and an inner wall surface of the housing. The blood port...
5137531 Outside perfusion type blood oxygenator  
A device having a blood oxygenator and heat exchanger of the outside perfusion type. The blood oxygenator employs a tightly packed, crisscrossing bundle of gas permeable hollow fibers. The heat...
5120502 Pressure relief valve for membrane oxygenator  
A membrane oxygenator having a gas pressure relief valve operable to release gas when the gas pressure in the oxygenator exceeds a predetermined level. Generally, the membrane oxygenator includes a...
RE33932 Hollow fiber-type artificial lung  
An artificial lung has an axially extending housing which accommodates a bundle of hollow fibers retained within the housing by a pair of walls provided at the ends of the housing. The housing has...
5110548 Apparatus for concurrently oxgenating and pumping blood circulated extra-corporeally in cardiovascular systems  
An apparatus for concurrently oxygenating and pumping blood circulated extra-corporeally in vascular assistance includes at least one blood-oygenating fluid interface permeable to gas and...
5106579 Membrane type artificial lung and method for manufacture thereof  
A membrane type artificial lung uses a gas-exchange membrane having at least the surface thereof for exposure to blood or the minute pores therein coated or blocked with a vinyl type copolymer...
5102533 Material exchangers  
A heat or material exchanger is provided which comprises a cylindrical housing having a first fluid inlet and a first fluid outlet, an assembly of heat or material-exchange tubes in the housing,...
5084244 Artificial lung assembly  
An artificial lung includes a housing having gas inlet and outlet ports, a blood inlet chamber mounted on the upper ends of the housing, a blood outlet chamber mounted on the lower end of the...
5058661 Heat exchanger with leakage collector  
A heat or material exchanger is provided which comprises a cylindrical housing having a first fluid inlet and a first fluid outlet, an assembly of heat or material-exchange tubes in the housing,...
5043140 Blood oxygenator  
The present invention provides a novel blood oxygenation apparatus. The apparatus includes a heat exchanger, and a gas exchanger which functions by internal flow of an oxygen-enriched gas. The heat...
5039482 Integrated unit for extracorporeal blood circuits  
An extracorporeal blood circuit comprises a generally cylindrically shaped blood reservoir; a generally cylindrically shaped oxygenator arranged coaxially and adjacently below said reservoir; and a...
5037610 Method for manufacturing a hollow fiber membrane oxygenator  
A hollow fiber membrane type oxygenator is provided wherein a bundle of a plurality of hollow porous fibers presenting gas exchange membranes axially extends through a housing to define a first...
5034188 Artificial lung  
An artificial lung comprises a venous blood reservoir to receive and store venous blood. A heat exchanger communicating with the venous blood reservoir receives the venous blood so the blood...
4975247 Mass transfer device having a microporous, spirally wound hollow fiber membrane  
A hollow fiber oxygenator including a hollow fiber bundle having first and second ends located within an oxygenator chamber. The oxygenator chamber includes a hollow core around which the hollow...
4971836 Method for manufacture of hollow fiber membrane type artificial lung  
A hollow fiber membrane type artificial lung and a method for the manufacture thereof. The artificial lung comprises a housing, a hollow fiber bundle positioned in the housing and formed of a...
4952312 Method for winding the fibres of exchange devices, such as blood oxygenators and the like, and an exchange device produced by this method  
The fibre (3) is wound in several layers at a variable winding pitch so that the angle winding (α) is kept substantially constant. The length wound in each layer and the angle at which the various...
4948560 Oxygenator  
An oxygenator has a housing provided with a blood inlet and a blood outlet, a bundled aggregate of a multiplicity of gas-exchange membranes, and a gas inlet and a gas outlet independently formed...
4923679 Hollow fiber membrane type oxygenator and method for manufacturing same  
A hollow fiber membrane type oxygenator is provided wherein a bundle of a plurality of hollow porous fibers presenting gas exchange membranes axially extends through a housing to define a first...
4909989 Gas-exchange membrane for an artificial lung  
In a membrane type artificial lung using as gas-exchange membranes porous hydrophobic membranes having a wall thickness in the range of 5 to 80 μm, a porosity in the range of 20 to 80%, and a pore...
4902418 Element having a porous wall  
The element is disposed in a vessel receiving a fluid flow. The vessel wall is porous at least for a proportion of the fluid and bounds an inner chamber communicating through the vessel wall with a...
4902476 Heat exchanger and blood oxygenator apparatus  
A heat exchanger and blood oxgenator apparatus includes a housing having a blood inlet portion, a blood outlet portion, and a housing wall defining an enclosed chamber disposed along a chamber axis...
4897189 Blood purification apparatus  
Blood purification apparatus comprises a dead-end system in which blood from the patient is allowed to flow through one or more purification modules, such as a dialyzer, a hemofilter, a...
4876066 Integrated membrane oxygenator, heat exchanger and reservoir  
A membrane oxygenator includes an upper nested arrangement of a hard shell venous reservoir, a bowl-like defoamer within the reservoir and a heat exchanger coil vertically supported within the...
4840769 Process for sterilizing a filtration device  
A process for sterilizing a filtration device which comprises employing therein a hollow fiber type module having hollow fibers of heat resistant polymer with a heat distortion temperature of 70°...
4818490 Integral blood oxygenator  
A membrane type blood oxygenating system with the membrane device, blood heater and blood reservoir constructed as an integral unit with the membrane device located lower than the blood reservoir.
4808378 Blood oxygenator  
A blood oxygenator includes an elongated hollow housing having an elongated chamber therein, an elongated fiber assembly disposed within the chamber along an axis thereof and including a bundle of...
4791054 Heat exchanger and blood oxygenating device furnished therewith  
The present invention provides a heat exchanger using hollow fibers formed of an organic polymer as the heat transfer tubes; a blood oxygenating device comprising a blood oxygenator combined with...
4781889 Hollow fiber membrane type artificial lung  
A hollow fiber membrane type artificial lung and a method for the manufacture thereof. The artificial lung comprises a housing, a hollow fiber bundle positioned in the housing and formed of a...
4770852 Hollow fiber membrane for an artificial lung  
A porous polypropylene hollow fiber membrane of a circular cross section 150 to 300 μm in inside diameter and 10 to 150 μm in wall thickness for use in an artificial lung, which hollow fiber...
4765959 Blood circulating circuit for membrane-type artificial lung, and reservoir for use in blood circulating circuit  
A sealed-type flexible reservoir constituting part of the blood circulating circuit of a membrane-type artificial lung is regulated to a specified volume by a pair of opposing planar restricting...
4749551 Hollow-fiber oxygenators for blood  
In a hollow-fiber oxygenator consisting of a container containing a plurality of fibers joined into a bundle and open at their ends to allow the passage into them of a first fluid (blood) and over...
4734269 Venous reservoir bag with integral high-efficiency bubble removal system  
A liquid-gas bubble separator comrising a container having an inlet for a fluid which includes liquid and gas bubbles, an outlet and upstream and downstream vents. A filter element is provided in...
4734372 Cell culturing methods and apparatus  
A system and protocol for performing cytotoxicity studies including apparatus and methods for culturing the biopsied cells, for providing oxygenated nutrients, for removing cell-waste products, for...
4732673 Device for the ultrafiltration of a pressurized high-temperature liquid  
Device for the ultrafiltration of a pressurized high-temperature liquid, having, inside a pressure resistant casing (1), a second casing (11) to which are fastened tube plates (15,16) carrying...
4726960 Medical material and process for its production  
A medical material comprising a shaped article made of a soft vinyl chloride resin composition, a layer formed on the shaped article and composed essentially of crosslinked gelatin having good...
4722829 Blood oxygenator  
A mass/heat exchange device for use as blood oxygenator, dializer, heat exchanger and the like, includes a rectangular or cylindrical elongated housing with first and second opposite axial ends....
4715953 Hollow fiber separation device manifold  
A hollow fiber separation device such as an oxygenator for blood which comprises a core having a bundle of hollow tubular fibers circumferentially wrapped around the core for separation of...
4708796 Material transfer apparatus of hollow fiber type  
A material transfer apparatus of hollow fiber type is provided comprising tubular housing, a bundle of a plurality of hollow fiber membranes axially extending through the housing, a first fluid...
4666668 Gas-permeable membrane, and blood oxygenator based on gas-permeable membrane  
The gas-permeable membrane comprises a reinforcing substrate (2) and a continuous layer (1), deposited thereonto, of a polymer based on an organosilicon rubber. The substrate (2) is made of a solid...
4663125 Membrane medical device  
A perfusion device, such as an oxygenator including a parallel plate membrane consisting of an accordian-folded elongated sheet, is provided with a plurality of perfusion compartments, each with...
4659549 Blood oxygenator using a hollow fiber membrane  
A blood oxygenator comprising a housing generally in the form of a box and bundles of hollow fibers of semipermeable membrane set therein for effecting gas exchange therethrough. In this blood...
4645645 Oxygenator having an improved heat exchanger  
A hollow fiber type blood oxygenator having an integrated and improved heat exchanger having a generally conical housing and core member between which a helically wrapped conduit is situated. The...
4639353 Blood oxygenator using a hollow-fiber membrane  
A blood oxygenator of the outside perfusion type using hollow fibers as the gas exchange membrane. In this blood oxygenator, a plurality of contact chambers each containing a bundle or bundles of...
4624778 Spacer for membrane apparatus  
Spacers for membrane exchanges whose useful exchange zone is divided by at least one transversal rib directing one of the fluids to the side of the exchange zone where it passes through orifices to...
Matches 101 - 150 out of 273 < 1 2 3 4 5 6 >