Matches 451 - 500 out of 549 < 1 2 3 4 5 6 7 8 9 10 11 >
Match Document Document Title
4252538 Apparatus and method for antibody screening, typing and compatibility testing of red blood cells  
A dual cavity substrate having a sample compartment for selectively discharging the fluid under test is rotatably mounted in a holder. A monolayer of red blood cells is centrifugally developed on...
4250830 Swinging buckets  
Disclosed is a centrifugal cytology swinging bucket for providing multiple dispersions of fixed cells or other particles onto a microscope slide or similar substrate, the bucket comprising a slide...
4244694 Reactor/separator device for use in automated solid phase immunoassay  
A reactor/separator device is provided for use in automated solid phase immunoassay. The device is a column, fitted at the bottom portion thereof with a water impermeable disc which can hold...
4244916 Device for conditioning a sample of liquid for analyzing with internal filter  
The device for conditioning a sample of liquid for medical analysis which comprises a plurality of calibrated peripheral cells connected to a central receptacle by way of ducts including an air...
4239853 Antibiotic testing method and apparatus having a channelized reservoir  
An apparatus for testing the effects of an antibiotic of chemical on a bacterial or biochemical substance of the type having a plurality of side-by-side test chambers each separated from the other...
4236666 Laboratory centrifuge  
A laboratory centrifuge for producing suspensions, sediments and the like, and for carrying out washing and similar processes, in which a motor-driven vertical shaft is arranged in a housing, said...
4226537 Analytical centrifuge with improved signal/noise ratio  
Valid signals from a cell in a centrifuge rotor are distinguished from extraneous signals by passing the signals through circuits which compare the amplitude and duration of the signal with the...
4225558 Fluid sample test apparatus and fluid sample cell for use therein  
A fluid test sample apparatus has a plurality of fluid test cells arranged on the periphery of a motor driven test cell tray. The fluids to be tested and respective reagents are introduced...
4208484 Apparatus for handling centrifuge tubes in automatic culture system  
An apparatus for handling a centrifuge tube in an automatic culture system includes a centrifuge, above which is disposed a centrifuge tube carrying turntable which is intermittently driven through...
4204917 Method for measuring ion activity  
In the disclosed method, ion activity is measured by placing a cup filled with a test solution to be measured on a cup receiver, lifting a cup lifting arm to engage the cup receiver with a rotary...
4201335 Microtest plate carrier overspeed protection device  
A mechanical overspeed protection device incorporated in a microtest plate carrier used in a centrifuge rotor. A locking arm actuates into a blocking position on the microtest plates in the carrier...
4200434 Immunological blood test method  
A method for immunological blood testing carried out by the use of a coil column, composed of a transparent tube helically wound on a support rod. To carry out the test, the coil column filled with...
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...
4192250 Valve-centrifuge  
Centrifuge for depositing cytological material from a suspension onto a substrate, such as a slide, comprising a rotor having recessed therein a plurality of sedimentation chambers each providing a...
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...
4178152 Cell fragility testing method and appliance therefor  
A method of and an appliance for use in testing the osmotic fragility of blood cells by the use of the CPC method involving a coil column containing an aqueous solution of a salt mixed with one or...
4148607 Apparatus and analysis for agglutination reaction  
Analysis of and apparatus for studying simple or complex agglutination reactions, such as for blood analysis and in particular blood groupings in which the specimen is mixed with at least one...
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...
4119407 Cuvette with reagent release means  
A cuvette for holding a liquid specimen during centrifugal testing and analysis of the specimen by a spectrophotometer. The cuvette includes a hollow main body produced from a transparent material...
4106907 Centrifuge tube and method for performing assay with same  
A container for radioactive counting which is essentially a tube of organic plastics material which has a radiation shield extending up to the side of the tube to a uniform height. The container...
4104025 Method of preparing liquid samples for testing  
A method of preparing samples for testing, such as blood samples for photometric testing. A small quantity of the material to be tested, such as blood, is drawn into a capillary tube. The tube is...
4092113 Preparation of blood plasma and serum samples  
In a method of preparing a plasma sample, blood from a donor is placed in the inner of two concentric tubes which are releasably connected together. The outer sample tube is labelled with data...
4088582 Blood phase separation means  
A blood collection device includes a tube for receiving a sample of whole blood for centrifugal separation into the lighter phase, plasma or serum, and the heavier cellular phase. The tube has a...
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...
4066407 Body fluid testing system and process  
A laboratory mixing apparatus for the testing of blood or other liquids includes a prescored capillary pipette to accurately measure the fluid, a centrifuge and a pipette breaking device. The...
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...
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...
4040959 Multi-purpose blood bag  
A bag for the separation of components in blood by gravitational settlement or centrifugation, has an upper chamber and a lower chamber connected by a slender neck, there being access conduits to...
4035156 Filter type rotor for multistation photometer  
A filter type rotor for a multistation photometer is provided. The rotor design combines the principle of cross-flow filtration with centrifugal sedimentation so that these occur simultaneously as...
4030834 Dynamic multistation photometer  
A portable fast analyzer is provided that uses a magnetic clutch/brake to rapidly accelerate the analyzer rotor, and employs a microprocessor for automatic analyzer operation. The rotor is held...
4028930 Multiple holder for determining hematocrit  
For the determination of hematocrit percent in blood samples a tubular body is provided having an annular series of elongated container holes for receiving a plurality of blood samples after which...
4003834 Density gradient fractionation by piston displacement  
A method and apparatus for the fractionation of centrifuged density gradients have been developed. The apparatus consists of a gradient holder composed of a transparent and an opaque section which...
3983037 Apparatus for transfer, storage, and distribution of liquid  
This invention is an apparatus for the separation of liquid such as serum or plasma from centrifugated solid particles such as red cells, and for the separation of the liquid into containers for...
3977598 Centrifuge tube  
This centrifuge tube has the general shape of a conventional centrifuge tube or test tube. An external re-entrant groove is provided along an upper portion of the tube. An internal tube has an open...
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...
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...
3958944 Vial assembly  
A vial assembly useful in conducting tests which involve charcoal adsorption from fluid and centrifugal separation thereof, and which is particularly useful in radioimmunoassay. The assembly...
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...
3953172 Method and apparatus for assaying liquid materials  
Assaying of fluids to determine the level of a substance in a fluid sample such as blood serum involving the reacting of fluid samples with one or more reagents and centrifugally separating...
3909201 Analysis apparatus  
Analysis apparatus for carrying out particle agglutination, flocculation or precipitation for liquid samples, in particular blood samples. Supports provided with a plurality of microcontainers, in...
3905895 Fecal egg separator  
A fecal egg separator is used to isolate parasite eggs contained in the fecal specimen of a small animal. The device consists of a generally cylindrical tube, a filter and a cap. The fecal specimen...
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...
3902660 Centrifugal analysers  
A centrifugal analyser comprises a plurality of rotors each having a plurality of sample analysis chambers and, for each chamber, material receiving spaces from which material can be centrifuged...
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...
3899296 Whole blood analysis rotor for a multistation dynamic photometer  
A rotor for performing photometric analyses using whole blood samples. Following static loading of a gross blood sample in the rotor the red blood cells in the gross sample are centrifugally...
3890101 Collection ring for use in multiple-sample blood fractionation centrifugal rotors  
An improved sample collection ring which comprises a removable annular vial holder ring defining passageways for receiving multiple blood fractions discharged from a central blood fractionation...
3883305 Automatic chemical analysis apparatus  
An automatic chemical analysis apparatus having separate closed-looped conveyors for sample and reactant containers. At a fixed location, sample portions from a given sample are transferred to a...
3882716 Centrifugal apparatus and cell  
Centrifuge cells, mounted at an acute angle to the drive shaft, orbit therearound, the resulting centrifugal force driving some of the contents of each cell through successive filters dividing the...
Matches 451 - 500 out of 549 < 1 2 3 4 5 6 7 8 9 10 11 >