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Class 494/18 - Including conduit of flexible umbilical cable type


Subclass of Class 494 - Imperforate bowl: centrifugal separators
Definition: Apparatus which further includes a flaccid, tubular element
No. of patents: 80
Last issue date: 03/25/2008


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NumberTitleIssue Date
7347932Apparatus and method for separating a volume of composite liquid into at least two components
A method for separating a volume of a composite liquid into at least a first component and a second component is performed in a centrifuge cooperating with a separation bag containing the volume of composite liquid. The separation bag is connected to at least a firs...
03/25/2008
7316286Pressure washer with vibration dampener
A light weight portable pressure washer with improved vibration damping includes a plate member disposed between the engine and the supporting frame of the pressure washer. The plate member is mounted to the base of the engine and extends laterally beyond the base o...
01/08/2008
7166217Methods and apparatuses for blood component separation
A system for separating a composite fluid into component parts thereof, including: a centrifuge having a rotor with a separation space and at least two valve members disposed thereon and a container set having a separation container adapted to be disposed in the sep...
01/23/2007
7011742Blood product transfer system
A system for transferring blood product between a blood storage bag and a processing bag. The system includes an airtight containment chamber for supporting therein one or more blood storage bags. A door is provided for access to the chamber and there is included an...
03/14/2006
7008366Circumferentially driven continuous flow centrifuge
A centrifuge (10) including a first rotatable mechanism (60) having a rotation axis with a fluid retentive housing (20) being coaxially mounted on the first rotatable mechanism for co-rotation therewith; a second rotatable mechanism (90) ...
03/07/2006
7001321Carrier for holding a flexible fluid processing container
A fluid processing assembly can be easily inserted into and removed from a rotatable centrifuge channel. The processing assembly comprises a processing container and a carrier. The processing container has flexibility and, in use, occupies the channel to receive flu...
02/21/2006
6902539Extracorporeal blood processing methods and apparatus
An extracorporeal blood processing system is disclosed which includes a variety of novel components and which may be operated in accordance with a variety of novel methodologies. For instance, the system includes a graphical operator interface which directs the oper...
06/07/2005
6860846Blood processing systems and methods with umbilicus-driven blood processing chambers
A blood processing assembly comprises a frame rotatable about a rotational axis and a blood processing chamber carried by the frame for rotation about the rotational axis. An umbilicus has one end coupled to the blood processing chamber along the rotational axis and...
03/01/2005
6832981Tube arrangement and a method for its manufacture
A multi-lumen tube arrangement for use in a centrifuge free of a sliding seal, the tube arrangement having at least two individual tubes which are rotated around one another around their longitudinal and/or their parallel axes. The rotation of the tubes takes place ...
12/21/2004
6589153Blood centrifuge with exterior mounted, self-balancing collection chambers
A centrifuge disposable having a collection chamber for receiving and holding a fluid to be centrifuged, the chamber having an outer perimeter, an inner perimeter, a generally circular cross-sectional area, and a conical outboard collecting portion. The c...
07/08/2003
6344020Bearing and umbilicus gimbal with bearing retainer in blood processing system
A bearing supports a rotating element. The bearing comprises an inner annular body and an outer annular body about the inner annular body. A bearing surface, which is located between the inner annular body and the outer annular body, supports the outer an...
02/05/2002
6196987Extracorporeal blood processing methods and apparatus
An extracorporeal blood processing system is disclosed which includes a variety of novel components and which may be operated in accordance with a variety of novel methodologies. For instance, the system includes a graphical operator interface which direc...
03/06/2001
6179801Extracorporeal blood processing methods and apparatus
An extracorporeal blood processing system is disclosed which includes a variety of novel components and which may be operated in accordance with a variety of novel methodologies. For instance, the system includes a graphical operator interface which direc...
01/30/2001
5996634Stress-bearing umbilicus for a compact centrifuge
A stress-bearing umbilicus for conveying fluid between a stationary body and a rotating body comprises an umbilicus body made from an extruded first polyester elastomer material having flexibility. A support block, made from a second polyester elastomer m...
12/07/1999
5989177Umbilicus gimbal with bearing retainer
A blood processing centrifuge includes a disposable fluid processing assembly having a fluid processing chamber. Fluid is communicated to and from the fluid processing chamber through a flexible umbilicus. The fluid processing chamber spins while the cent...
11/23/1999
5906570Particle filter apparatus
An apparatus and method are disclosed for filtering or separating particles. The apparatus has a motor coupled to a centrifuge rotor rotatable about an axis of rotation. A fluid chamber rotates with the rotor. A substance is supplied to the inlet of the c...
05/25/1999
5759147Blood separation chamber
A blood component separating device comprises a centrifuge bowl adapted for rotation about its axis in a centrifuge. The bowl defines an outer circumferential wall plus an inner circumferential wall, spaced from the outer wall, to define a circumferential...
06/02/1998
5738644Extracorporeal blood processing methods and apparatus
An extracorporeal blood processing system is disclosed which includes a variety of novel components and which may be operated in accordance with a variety of novel methodologies. For instance, the system includes a graphical operator interface which direc...
04/14/1998
5722926Method for separating particles
A fluid chamber and method are disclosed for filtering or separating particles. The fluid chamber includes a wall extending between an inlet and outlet to form a fluid chamber interior. The interior converges from a position of maximum cross-sectional are...
03/03/1998
5704887Easy load umbilicus holder for a centrifuge
A tube holder secures to the rotating processing chamber of a centrifuge tubing that conveys fluid to or from the chamber. The tube holder is part of a carrier that is connected by a pin to a support on the processing chamber. The support has walls defini...
01/06/1998
5665048Circumferentially driven continuous flow centrifuge
A centrifuge for rotating a fluid retentive housing having fluid input and output tubing fixedly connected to a rotation axis of the fluid retentive housing, the centrifuge comprising: a frame; a first rotatable mechanism having a rotation axis, the fluid...
09/09/1997
5571068Centrifuge assembly
A blood component separating device comprises a centrifuge bowl adapted for rotation about its axis in a centrifuge. The bowl defines an outer arcuate wall plus an inner circumferential wall, spaced from the outer wall, to define a arcuate slot adapted fo...
11/05/1996
5551942Centrifuge with pivot-out, easy-load processing chamber
A centrifuge comprising a yoke element that rotates about a rotational axis and a processing chamber having an axis. The processing chamber includes a bowl element, a spool element, and a mechanism for joining the spool and bowl elements for relative move...
09/03/1996
5514069Stress-bearing umbilicus for a compact centrifuge
An umbilicus conveys fluid between a stationary body and a rotating body in a small, compact operating environment. The umbilicus comprises an elongated body including a proximal end, a distal end, and a middle region between the proximal and distal ends....
05/07/1996
5501840Multilumen tubing for centrifugal blood separator
The present invention relates to a multiple-duct tube for centrifugal separators for blood in particular, suitable for connecting a rotating connector to a stationary connector. The multiple-duct tube comprises, in a monolithic structure, a plurality of d...
03/26/1996
5370802Enhanced yield platelet collection systems and methods
Systems and methods for separating a suspension of plasma and platelets from whole blood rotate a chamber about an axis to create within the chamber a low-G zone radially close to the axis and a high-G zone spaced radially further from the axis than the l...
12/06/1994
5362291Centrifugal processing system with direct access drawer
A drawer-mounted centrifuge provides easy access for loading and unloading disposable processing elements. The centrifuge also includes an umbilicus holder that moves between an operating position and an out-of-the-way position as the drawer opens and clo...
11/08/1994
5360542Centrifuge with separable bowl and spool elements providing access to the separation chamber
A centrifuge provides simplify access to the processing chamber. In one arrangement, the processing chamber separates into a bowl and spool element to receive a disposable processing bag. In another arrangement, the processing chamber pivots between an op...
11/01/1994
5350514Centrifuge
The invention relates to a centrifuge comprising a separation chamber, with which a duct is permanently connected, a main rotor, on which the separation chamber is able to be bearinged in a relatively rotatable manner with respect to it, by means of a bea...
09/27/1994
5322620Centrifugation system having an interface detection surface
A system and method of separation of therapeutic components from blood. The system includes a dual member centrifuge and a disposable single use fluid transfer set. The set includes an elongated flexible separation chamber having an input port, a separate...
06/21/1994
5224921Small volume collection chamber
A device and method are provided for separating mononuclear cells from red blood cell depleted plasma in a centrifuge blood cell separator. The device includes an inlet for receiving plasma, an area for receiving mononuclear cells, and an outlet for recei...
07/06/1993
5217426Combination disposable plastic blood receiving container and blood component centrifuge
A blood component separating device comprises a centrifuge bowl adapted for rotation about its axis in a centrifuge. The bowl defines an outer arcuate wall plus an inner circumferential wall, spaced from the outer wall, to define a arcuate slot adapted fo...
06/08/1993
5217572Centrifugal evaporator-concentrator for concentrating specimens by evaporation of the solvent
The centrifugal evaporator-concentrator includes a central tubular pivot (18) surmounted by a nozzle (35) and constituting the pivot axis of a rotor (9) rotating in a vessel (8) closed by a cover (11). With the rotor rotating in the partial vacuum created...
06/08/1993
5217427Centrifuge assembly
A blood component separating device comprises a centrifuge bowl adapted for rotation about its axis in a centrifuge. The bowl defines an outer arcuate wall plus an inner circumferential wall, spaced from the outer wall, to define a arcuate slot adapted fo...
06/08/1993
5215376Method for causing vortices in a test tube
A test tube handling assembly has an elongate member with an end for engaging a test tube and an end opposite thereto driven about an axis of the member for orbital movement with its axis. The member is a slender rod with a spherical bearing about a cente...
06/01/1993
5160310Centrifugal separator
In a centrifuge rotor there is formed a separation chamber (4) having an inlet (24) for a mixture of components to be separated and two outlets (21,23) for the respective separated components. A partition (7) is arranged to divide the separation chamber (...
11/03/1992
5104526Centrifugation system having an interface detection system
A system and method of separation of therapeutic components from blood. The system includes a dual member centrifuge and a disposable single use fluid transfer set. The set includes an elongated flexible separation chamber having an input port, a separate...
04/14/1992
5084133Process for concentrating specimens by evaporation of the solvent with a centrifugal evaporator-concentrator
The centrifugal evaporator-concentrator comprises a central tubular pivot (18) surmounted by a nozzle (35) and constituting the pivot axis of a rotor (9) rotating in a vessel (8) closed by a cover (11). With the rotor rotating in the partial vacuum create...
01/28/1992
5005981Apparatus for method for causing vortices in a test tube
A test tube handling assembly has an elongate member with an end for engaging a test tube and an end opposite thereto driven about an axis of the member for orbital movement with its axis. The member is a slender rod with a spherical bearing about a cente...
04/09/1991
4953575Washing device
The invention relates to a washing device for cuvette sets. The cuvette set is placed into a holder (11) in a rotor (10). The washing liquid is removed from the cuvettes by rotating the rotor....
09/04/1990
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