Matches 251 - 300 out of 373 < 1 2 3 4 5 6 7 8 >
Match Document Document Title
4199544 Read-off device for medical samples  
A device for reading the results of centrifugal separation of test samples such as samples of blood. The centrifugal separation apparatus is provided with a housing having a hinged cover having a...
4193538 Apparatus for separating and measuring sample components  
An account is given of a centrifuge apparatus with a plate-like rotor whose outer edge is used as stops for radially placed sample tubes. For keeping them in position against the stops the radially...
4181700 Centrifuge tube sequential fractionator  
A device for the sequential fractionation of the contents of a centrifuge tube containing centrifugally separated contents utilizing a syringe-like apparatus. The present invention utilizes...
4180465 Fluid collection device with phase separation means  
A fluid collection device includes a blood collection tube having a negative pressure therein and sealed at one end by a stopper pierceable by a needle cannula for drawing a blood specimen into the...
4169060 Blood-collecting and serum-dispensing device  
A device is provided for collecting and separating a two-phase liquid, and for dispensing the light phase. The device provides improved structure such that the dispensing aperture is protected from...
4154690 Device for use in the centrifugal separation of components of a liquid  
A device for use in blood centrifugation processes, said device comprising a centrifuge tube containing a substantially rigid separator element and said tube having walls of predetermined thickness...
4152270 Phase separation device  
A fluid collection device for receiving a liquid, such as blood, and which is adapted to be centrifuged to separate it into its relatively light and heavy phases. The collection device has a phase...
4148764 Copolyesters useful in blood separation assemblies  
Copolyesters are provided which are derived from mixed dibasic acids and a branched-chain diol. These copolyesters possess a unique balance of physical and chemical characteristics which permits...
4140631 Sealant for separation of serum or plasma, and its use  
A sealant for separation of a sample of blood into serum or plasma and clot portions, which has a specific gravity of about 1.03 to 1.08 and a viscosity of about 5,000 to 1,000,000 cps at a...
4136036 Collection and dispensing device for non-pressurized liquids  
A device for collecting and dispensing non-pressurized liquids, comprising a collection compartment having a capillary passageway extending from an intake and along the entire sample collection...
4135883 Blood analyzer system  
Medical testing apparatus including a microprocessor controlled centrifuge having a group of cuvettes therein. The apparatus also includes a microdiluter apparatus with a pair of pumps therein of...
4134832 Method and device for treatment of blood  
Uncoagulated blood is separated into components by placing the blood in a glass test tube, placing a porous, elastic body in the upper layer of the blood, and centrifuging such that the porous body...
4114803 Centrifuge tube enclosure  
A vertically oriented centrifuge tube is placed in a rotor cavity or other enclosure, and the open end sealed with a tapered plug. A resilient shell-like cap is placed over the plug such that it is...
4102490 Data ring for vertical tube rotor  
An identification means placed adjacent the test tube cavities in a centrifuge rotor. The identification means utilizes recessed or indented indicia which are positioned on a circular ring raised...
4080175 Internally activated sealing centrifuge test tube cap assembly  
A centrifuge test tube cap assembly for sealing a thin walled test tube used primarily with a vertical tube rotor. The cap assembly is designed for convenient and easy removal from the test tube...
4057148 Multiple sample support assembly and apparatus for facilitating radioimmunoassays and the like  
An improved multiple sample handling system, including a fully machine-compatible multiple sample support assembly, sample vortexing apparatus, and sample radioactivity sensing apparatus, is...
4052164 Apparatus for centrifugal separation and measurement of samples  
A rotor, adapted for rotation at high speeds, has symmetrically arranged radial channels for receiving tubular containers of material to be evaluated such for example as samples of blood. The outer...
4052320 Telescoping serum separator and dispenser  
A serum separation and dispensing device comprises two containers one movably mounted partially within the other, the end wall of one being sealed, in the contracted position, against the open end...
4052165 Apparatus for centrifugal separation of test samples  
A rotor, adapted for rotation at high speeds, has symmetrically arranged radial channels for receiving tubular containers of material to be evaluated, such for example as samples of blood. The...
4022375 Centrifuge  
A laboratory centrifuge includes a housing and a support plate elastically mounted at the bottom of the housing. A rotor driven by an electric motor is mounted on the support plate together with a...
4015941 Test tube assembly  
A test tube assembly adapted to use for blood test comprising a holding tube, a test tube having a leg extending downwardly, the test tube being disposed in the holding tube and a foot of the leg...
4015775 Method of gradient separation  
Zonal separations by centrifugation are achieved by first preparing a fluid density gradient in stationary, vertically disposed containers each having a length which exceeds its diameter. A sample...
4012325 Biological fluid dispenser and separator  
A blood serum separator-dispenser capable of collecting, separating and/or dispensing is disclosed a biological fluid such as serum from an essentially closed container. A valve can be provided to...
4010893 Triac centrifuge  
A centrifuge for varied speed operation. The centrifuge includes a stator portion forming a chamber therein and adapted to be positioned on a supporting surface. A rotor portion is rotatably...
4010892 Centrifuge equipment and analytical system using it  
The present invention is concerned wit analytical equipment comprising a centrifuge and means for introducing and/or withdrawing from the centrifuge, a carrier for liquid materials to be...
3999868 Unit for use in optical analysis  
A unit for use in optical analysis is adapted to be mounted in a radial position on a centrifuging rotor and comprises a straight tubular cell. One end of the tubular cell is open and the other end...
3998383 Gradient separation apparatus  
A centrifuge rotor has vertically oriented peripheral cavities and/or adaptors configured to receive sample containers each having a length which exceeds its diamter. Each cavity and/or adaptor is...
3997105 Swinging bucket centrifuge rotor  
A swinging bucket centrifuge rotor has a plurality of peripheral cavities each adapted to seat a swinging bucket suspended from a fixed hanger. The hanger defines a hook which is adapted to support...
3997104 Centrifuge rotor  
A rotor for a centrifuge including a symmetrically shaped rotor body adapted for rotation about its axis and including a suitable cavity for receipt of samples to be centrifuged. The rotor body is...
3990633 Centrifuge apparatus  
In a centrifuge including a centrifuge rotor and a drive shaft for spinning the rotor at selected rotational speeds, a safety device adapted to prevent the rotor from attaining a rotational speed...
3980227 Adjustable rotator for fluid samples  
Samples which are to be processed or analyzed in the laboratory are placed in small vials or cuvettes. Groups of cuvettes are placed in arcuate carriers, which are then mounted about the periphery...
3976579 Novel assembly  
Disclosure is made of an improved assembly for the collection, separation and isolation of serum or plasma from blood without subjecting the desired serum or plasma to contamination by exposure to...
3970245 Universal centrifuge  
A universal centrifuge adapted to be operated at pre-selected speeds for pre-selected time periods over a wide range of speeds to perform many different functions normally performed by different...
3963119 Serum separating apparatus  
The separation of a sample of blood into serum and clot portions is accomplished by means of a sealant consisting essentially of a silicone fluid and silica dispersed therein. The separation is...
3961745 Centrifuge apparatus  
In a centrifuge including a centrifuge rotor and a drive shaft for spinning the rotor at selected rotational speeds, a safety device adapted to prevent the rotor from attaining a rotational speed...
3958753 Air driven centrifuge  
An air driven centrifuge including a rotor chamber having a rotor seat mounted in the bottom thereof and including a rotor having a plurality of turbine flutes formed in an under side thereof. The...
3957654 Plasma separator with barrier to eject sealant  
A blood collection and separator assembly capable of separating blood into its component parts of plasma or serum, the light phase, and cellular portion, the heavy phase, is disclosed. The assembly...
3957653 Apparatus for collection, separation and isolation of blood  
Disclosure is made of a novel apparatus for the collection, separation and isolation of serum or plasma from blood obtained from mammalian capillary sources. The apparatus comprises a tubular blood...
3937581 Analytic cell for use in high-speed ultra centrifuges  
A housing retains an essentially disk-like center element made of light-tsmissive material, or formed with an opening therein, and shaped to receive a capillary tube (or formed with a capillary...
3927826 Rotor for centrifugal testing of electrophoresis gel  
A rotor for the preparation of identical electrophoresis gels where the liquid is permitted to flow into a rotor bowl under dynamic conditions. The rotor comprises a cylindrical body, a sealable...
3905772 Apparatus for performing blood typing tests  
A plurality of test tubes formed as an integral unit together with a member that is marked with indicia for reagents to be mixed in the tubes in performing tests to determine blood type groups. A...
3901658 Whole blood analysis rotor assembly having removable cellular sedimentation bowl  
A rotor assembly for performing photometric analyses using whole blood samples. Following static loading of a gross blood sample within a centrally located, removable, cell sedimentation bowl, the...
3901434 Non-extruding lid seal for centrifuges  
A centrifuge rotor having chambers for sample containers and a cover is formed with fluid release openings in the cover to form what amounts to a pressure relief valve. The release openings...
3886928 Device for the extraction of blood  
The invention relates to a device for the extraction of blood comprising a sleeve and a piston which can be fabricated simply and economically and whereby the sleeve of which is suited for...
3852194 APPARATUS AND METHOD FOR FLUID COLLECTION AND PARTITIONING  
Partitioning assemblies and partitioning or seal members, utilized with containers (adapted to serve as fluid specimen collection or fluid-retaining tubes) for effecting partitioning of two...
3850369 CENTRIFUGE FOR PREPARING PLATELET RICH PLASMA  
A centrifuge for production of platelet rich plasma by accelerated sedimentation of whole blood. The centrifuge is adapted to apply greater than gravity force laterally, that is, approximately...
3850580 LABORATORY MIXER  
A mixer for mixing fluent material contained in test tubes, flasks and like vessels is provided with a resilient surface for receiving the vessel. The surface is then driven eccentrically to...
3849072 PLASMA SEPARATOR  
An evacuated tube having both ends closed has a ball type valve fixedly disposed between the ends for dividing the tube into upper and lower chambers. The valve is formed and arranged to provide a...
3844662 SEDIMENTATION INSTRUMENT FOR BODY FLUIDS AND METHOD OF MICROSCOPIC EXAMINATION OF THE SEDIMENT  
An instrument useful for the microscopic examination of the sediments of body fluids, especially of urine is provided with a planar or rounded transparent bottom of uniform thickness permitting...
3834613 CENTRIFUGE ROTOR WITH SAMPLE HOLDING MEANS AND MEANS FOR BALANCING THE SAME  
A self-balancing rotor having a plurality of compartments for accommodating a sample container and having a spring-loaded weight constrained to move only in the radial direction. The relationship...
Matches 251 - 300 out of 373 < 1 2 3 4 5 6 7 8 >