Matches 101 - 150 out of 373 < 1 2 3 4 5 6 7 8 >
Match Document Document Title
5512030 Centrifuge rotor  
The present invention is directed to a centrifuge rotor having a rotor body and an associated lid. A skirt with a radially outwardly facing surface thereon depends from the radially outer...
5505684 Centrifuge construction having central stator  
A centrifuge construction is disclosed in which a centrally located stator directly drives a peripheral ring shaped centrifuge rotor. In the preferred embodiment, a centrifuge drive is disclosed...
5496254 Lab centrifuge with imbalance shutoff  
A lab centrifuge with a rotor carrying vessel supports and a motor with a vertical shaft driving said rotor into rotation, the stator associated with said rotor being supported by elastic supports...
5487719 Centrifuge rotor assembly  
A rotor assembly for use in a centrifuge is provided including a rotor body having a plurality of apertures for holding fluid containers. An impervious cover fits tightly on the rotor body to...
5484381 Centrifuge rotor having liquid-capturing holes  
A rotor adapted for use in a nonevacuated chamber has a liquid containment annulus having a capacity V C . The rotor also has a predetermined number N of liquid-capturing holes, each hole being...
5474687 Methods for enriching CD34.sup.+ human hematopoietic progenitor cells  
The present invention relates to methods of enriching hematopoietic progenitor cells from body fluids. In particular, it relates to the use of a cell-trap centrifugation tube containing a gradient...
5470758 Large cytology sample chamber for distributing material onto a microscope slide  
A cytology chamber comprises a sample holding portion, a funnel through which the fluid sample is directed into the holding portion of the chamber, a generally flat, solid flange member defining an...
5466371 Cytocentrifugation device  
A cytocentrifugation device of the type disclosed by the copending Stokes-Quirante U.S. application Ser. No. 07/788,310 (U.S. Pat. No. 5,252,228 on Oct. 12, 1993) is improved by the provision of...
RE35071 Optimum fixed angle centrifuge rotor  
A centrifuge rotor and method for gradient density separation which supports a generally cylindrical volume of sample solution with its axis inclined to the spin axis at an angle which is optimized...
5443438 Centrifuge drive-to-rotor assembly  
An assembly for transferring rotation from a centrifuge drive system to a centrifuge rotor includes a hub that is connected to the drive system for rotation about an axis. A sleeve member is...
5415616 Rotor-protected evacuation port for centrifugal separation  
A device for centrifugally separating a sample includes a housing which defines an enclosed chamber from which gas is evacuated via an evacuation port protected by a spinning rotor. The evacuation...
5411465 Segmented composite centrifuge rotor with a support ring interference fit about core segments  
A centrifuge rotor which makes use of a composite ring to support a segmented core body. The core body is segmented into sectors. The core segments are slidably coupled to a hub in a manner such...
5409443 Tube holder arrangement for blood centrifuge  
A centrifuge (10) for spinning blood sample tubes (14) has a conical rotor head (17) rotated within a cavity defined by an upwardly open annular trough (39) and a domed lid (50). The tubes (14) are...
5399144 Centrifuge tube adapter  
A centrifuge tube adapter for supporting a closed tube in a cavity of a vertical angle centrifuge rotor includes an inboard and an outboard adapter segment. A hinge connects the segments and...
5395001 Supporting spacer for self-sealing centrifuge tubes  
The present invention is directed to a floating cap or spacer and centrifuge tube assembly which provide adequate resistance to the deforming forces exerted on it. The exterior wall of the tube...
5384096 Microcollection tube assembly  
The present invention is a collection assembly useful for collecting small quantities of blood. The assembly comprises a container with an integral lip for facilitating collection of the blood and...
5376267 Cytocentrifuge rotor for cytocentrifugation devices  
A cytocentrifugation device, rotor, and apparatus are improved by providing the device with a plurality of liquid-receiving chambers arranged serially along and opening into an elongate conduit...
5376063 Self-balancing apparatus and method for a centrifuge device  
A self-balancing apparatus for a centrifuge is disclosed which employs two arcuately movable counterweights. The centrifuge has a plurality of receptacles for receiving one or more assay...
5370796 Centrifuge basket of fibre-reinforced material  
A centrifuge basket shell formed by winding fiber-reinforced resin tape in a helical pattern over a thin shell plate which contains a plurality of holes for the passage of liquid therethrough,...
5362301 Fixed-angle composite centrifuge rotor  
A fixed-angle centrifuge rotor fabricated from fiber-reinforced composite material includes fibers for reinforcing radially outer portions of the cell holes in a direction transverse to the...
5362300 Shell-type centrifuge rotor  
A shell-type centrifuge rotor includes a body member having an upturned lip and a plate having a skirt portion attached to the body. The skirt portion has a groove therein that overlies the lip on...
5354254 Centrifuge rotor head with tube neck support  
A centrifuge rotor head has a hollow frusto-conical housing with parallel inner and outer, upwardly and inwardly inclined walls joined at top and base ends by top and bottom annular flanges, and...
5344380 Release handle for centrifuge rotor and lid  
A centrifuge rotor lid assembly which includes a handle which allows convenient handling of a centrifuge rotor and facilitates releasing the lid from the rotor after centrifugation. In one...
5342282 Centrifuge including a rotor driveshaft with an elastic damping seal and corresponding shaft  
A centrifuge comprising a rotor drive shaft including a flexible shaft surrounded by a sheath. The flexible shaft and the sheath are both rotationally secured at a first end. A second end of the...
5334130 Centrifugal vacuum concentration with holder assembly  
A vial holding a material such as an organic liquid-containing biological specimen is received in the receptor of a holder assembly, the assembly further including a centrifugal valve. The holder...
5310527 Tube for use in a pelleting centrifuge rotor  
A tube for use in a pelleting centrifuge rotor is characterized in first aspect by a first, acute, corner and a second, obtuse, corner defined in the lowermost pelleting region thereof. The corner...
5295943 Adapter for holding a pair of centrifuge tubes  
An adapter for a centrifuge tube comprises two adapter segments, each of which has an exterior surface and a mating surface thereon. Each segment has a pair of indentations in the mating surface....
5288466 Blood microcollection tube assembly  
A container assembly is provided for collecting capillary blood from a lanced wound. The container includes an integral lip for facilitating collection from the wound with the entire length of the...
5279538 Centrifuge rotor having a predetermined region of failure  
A centrifuge rotor is characterized by a portion of the undersurface thereof being removed to define a predetermined number of bosses, each with a sample receiving cavity therein. A relatively thin...
5279150 Automated miniature centrifuge  
A measurement device is provided for determining relative proportions of at least two materials forming a liquid and having different densities and different responses to light. A transparent...
5277873 Sample preparation device  
A sample preparation device for precisely measuring a sample volume, mixing the sample with a reagent and then separating out any resulting precipitant from the sample. In using the device, the...
5266273 Process and apparatus for forming a solution gradient and for conducting a blotting process  
An apparatus for conducting a blotting process comprises a support member, a first electric motor for rotating the support member about a vertical plane, a tube holder having a substantially flat...
5260032 Integral centrifuge tube and specimen slide  
A device for use in a centrifuge to automatically prepare microscope slide specimens from samples of body fluids. A centrifuge tube and specimen slide are formed integrally in a unitary device. A...
5244635 Centrifuge vessel with coaxial waste chamber having cap to prevent waste fluid transfer from the chamber into the vessel  
A centrifuge vessel for performing immunoassays, affinity chromatography, and like experiments includes a center tube and an outer waste chamber. A biomaterial is held within the center tube and is...
5242371 Apparatus for centrifugally separating a sample  
A shaft for centrifugally separating a sample includes a first shaft element having a first end taper portion and a middle straight portion, and a second shaft element having a second end taper...
5236409 Cartridge adapter having a secondary seal  
An adapter having a body and a cooperating cover with a seal therebetween is characterized by a stop surface provided on the exterior surface the body. The body and the cover are held together by a...
5232432 Angular head for centrifuges  
An angular head for centrifuges serves to receive a plurality of beakers which are arranged inclined at a fixed angle to the vertical in recesses in the angular head. The angular head is developed...
5215376 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...
5206988 Hybrid ultra-centrifuge rotor with balancing ring and method of manufacture  
A centrifuge rotor having a balancing ring integrally formed with and raised from the upper surface thereof is manufactured by removing material from the ring to balance the rotor in the upper...
5173262 Rotor assembly and method for automatically processing liquids  
A rotor assembly for performing a relatively large number of processing steps upon a sample, such as a whole blood sample, and a diluent, such as water, includes a rotor body for rotation about an...
5171539 Apparatus for forming a continuous solution gradient  
An apparatus for generating a continuous solution gradient wherein solutions of differing concentrations are layered in a tube and the tube disposed at an angle with respect to the vertical and is...
5158749 Insert beaker for centrifuges  
An insert beaker for centrifuges for centrifuging blood, having a blood bag placed in the insert beaker in association with a positive displacement body that acts upon the insert beaker from...
5154896 Apparatus for promoting reaction between solid and liquid phases  
An apparatus for reaction between a solid phase and a liquid phase of the present invention allows a tubular reaction vessel accommodating the liquid phase that reacts with the solid phase bound to...
5133208 Apparatus for the preparation and execution of tests on the sedimentation rate of organic liquids and other  
The apparatus of the present invention can be used to measure sedimentation rate of samples. The samples are placed in a sample rotor and are rotatable about a sample rotor axis. The sample rotor...
5127895 Self-seal centrifuge tube  
A means of sealing a centrifuge tube which makes use of the hydrostatic pressure of the sample solution contained in the tube to perfect a tight seal during centrifugation. The filler stem is...
5110552 Apparatus for performing biological analyses by chemical reaction on a serum  
The apparatus of the invention includes a plurality of cartridges (1) each containing serum, and reagents in a sachet. The cartridges are inserted into the automatic processing device (40) enabling...
5077013 Miniature laboratory for performing biological analyses by chemical reaction on a sample of blood  
A miniature laboratory (1) for performing biological analyses comprises a block (2) supporting two concentric turntables (3 and 4). The top turntable (3) carries preparation cartridges (6) each...
5071402 Centrifuge rotor having spillage containment groove  
A centrifuge rotor has a continuous annular groove disposed radially outwardly of each of the sample receiving cavities provided in the rotor. The groove collects any liquid spilled during...
5061381 Apparatus and method for separating cells from biological fluids  
A centrifugal rotor for separating plasma from whole blood includes a plurality of internal chambers and passages for combining the plasma with one or more reagents and distributing the plasma to a...
5061446 Device for performing biological analyses by immunoenzymatic detection of antibodies or antigens in a serum  
The device of the invention comprises a plurality of cartridges (1) containing serum, conjugate, substrate, blocking liquid, and a liquid-receiving well containing an antigen-carrying brush. A...
Matches 101 - 150 out of 373 < 1 2 3 4 5 6 7 8 >