Abstract: This invention describes a novel method for preparing a stable suspension of individual blood platelets for use as a control in both manual and automatic platelet counting procedures.

Abstract: This invention relates to a method for the removal of heparin from heparin-containing plasma test samples using an insoluble protamine reaction product, without adversely affecting subsequent testing of the plasma for clotting time. Protamine sulfate or a combination of protamine sulfate and serum albumin is cross-linked with glutaraldehyde to form an insoluble reaction product which is capable of adsorbing heparin. According to the method of this invention, excess amounts of either of the cross-linked protamine reaction products are added to blood plasma samples containing heparin and the mixture is agitated for a time sufficient to permit adsorption of substantially all heparin present. The insoluble protamine heparin complex formed is removed from the plasma along with any excess insoluble protamine reaction product. Aliquots of the heparin-free plasma may be subjected to coagulation tests in order to determine true clotting time.

Abstract: A tableted form of fibrous triethylaminoethyl cellulose suitable for the removal of heparin from heparin-containing blood plasma. The tablet is composed of granular microcrystalline cellulose and fibrous triethylaminoethyl cellulose in a ratio of from about 5.4:1 to about 10:1. The triethylaminoethyl cellulose tablet, which is formulated to provide from about 5 to about 26 mg. of triethylaminoethyl cellulose per milliliter of plasma sample, is added to a heparin-containing blood plasma sample, the sample is agitated or allowed to stand for a time sufficient to permit adsorption of substantially all heparin present. The sample is then centrifuged and the remaining heparin-free plasma can be subjected to coagulation testing in order to determine the true clotting time.

Abstract: This invention relates to a method for the removal of heparin from heparin-containing blood plasma test samples using an insoluble protamine reaction product, without adversely affecting subsequent testing of the plasma for clotting time. Protamine sulfate or a combination of protamine sulfate and serum albumin is cross-linked with glutaraldehyde to form an insoluble reaction product which is capable of adsorbing heparin. According to the method of this invention, excess amounts of either of the cross-linked protamine reaction products are added to blood plasma samples containing heparin and the mixture is agitated for a time sufficient to permit adsorption of substantially all heparin present. The insoluble protamine heparin complex formed is removed from the plasma along with any excess insoluble protamine reaction product. Aliquots of the heparin-free plasma may be subjected to coagulation tests in order to determine true clotting time.

Abstract: This invention relates to a tableted form of fibrous triethylaminoethyl cellulose suitable for the removal of heparin from heparin-containing blood plasma. The tablet is composed of granular microcrystalline cellulose and fibrous triethylaminoethyl cellulose in a ratio of from about 5.4:1 to about 10:1. According to the method of this invention, the triethylaminoethyl cellulose tablet, which is formulated to provide from about 5 to about 26 mg. of triethylaminoethyl cellulose per milliliter of plasma sample, is added to a heparin-containing blood plasma sample, the sample is agitated or allowed to stand for a time sufficient to permit adsorption of substantially all heparin present. The sample is then centrifuged and the remaining heparin-free plasma can be subjected to coagulation testing in order to determine the true clotting time.

Abstract: A molding apparatus, using raw material substantially comprised of crumbed rubber tires, and producing end products of durability and structural integrity. Products such as fence posts and dimensioned pieces like dimension-lumber products, have a hardened, dense outer wall structure surrounding a comparatively less dense and relatively porous central core, with the attendent structure integrity advantages of tubular and hollow-walled products. Heat fused raw material is fed under pressure, as from a screw extruder mechanism, through selectively controlled input valves to mold bodies, with the mold bodies carried in a chilled environment to establish fluid flow paths and hardening sequences leading to the desired end product body structure.

Abstract: A porous flexible hose primarily of crumbed rubber and synthetic rubber reclaimed from rubber tires, ground to a relatively small granular size, with metal removed; such as, for example, would pass through a 30-mesh screen, process-mixed through an extruder, with a much smaller binder mix of primarily polyethylene, in the order of 25% by weight, and with approximately 0.5% of the mixture added sulphur and 0.5% oil that can be random mixed grades of automobile engine oil. The resulting product is useful as a soil watering soaker hose that has a high degree of flexibility along its length. It is a water leaking soaker hose formed in the process through the extruder with limited foaming from steam originating from absorbed moisture in the crumbed, reclaimed rubber tire material, and from residual gases venting from the material mix, with product mix heating in the extruder, forming some open cell fluid flow paths.

Abstract: A porous pipe primarily of rubber and synthetic rubber reclaimed from rubber tires, ground to a relatively small granular size, with metal removed; such as, for example, would pass through a 30-mesh screen, process-mixed through a pipe extruder, with a much smaller binder mix of primarily polyethylene, along with vinyl, ABS binder, and a trace of attaclay. The resulting product is useful as a subsurface irrigation buried pipe, having high structural integrity effectively resisting soil-loading pipe collapse, and it even resists collapse from moderately large rocks in the soil, and yet has a high degree of flexibility along its length. A pipe is provided with cross sectional area of pipe wall more than twice the cross sectional area of the pipe opening.

Abstract: A substantially thick, resilient pad is bent around the neck of an animal and secured to the body of the animal with straps. The thickness of the pad prevents the animal from reaching the chest, back, belly and rear extremities of the animal with his mouth to prevent damage to injuries and surgical areas on the animal. The resilient pad preferably extends a substantial distance along the length of the animal and can serve as a protector for the animal when in a vehicle or the like.

Abstract: A heat and pressure moldable material end product made from injection or extrusion molding processes using a mixture of reclaimed pre-vulcanized rubber bits and resinous thermoplastic material bits as raw material. The reset end product is a homogeneously incomplete mixture of the raw material, including reset resin and rubber mixture portions and rubber bits per se in a bonded inter-relationship. The porosity of the end product is controllable by the relative amount and size of rubber particles in the raw material mixture.

Abstract: A porous pipe primarily of rubber and synthetic rubber reclaimed from rubber tires, ground to a relatively small granular size, with metal removed; such as, for example, would pass through a 30-mesh screen, process-mixed through a pipe extruder, with a much smaller binder mix of primarily polyethylene, along with vinyl, ABS binder, and a trace of attaclay. The resulting product is useful as a subsurface irrigation buried pipe, having high structural integrity effectively resisting soil-loading pipe collapse, and it even resists collapse from moderately large rocks in the soil, and yet has a high degree of flexibility along its length. A pipe is provided with cross sectional area of pipe wall more than twice the cross sectional area of the pipe opening.

Abstract: A soluble lyophilized collagen preparation is disclosed which is capable of reproducible aggregating platelets.

Abstract: Disclosed are a stable, non-protein, buffered control material for monitoring the reliability of blood gas instruments in the acid, normal, and alkaline ranges.

Abstract: An improved composition and method for detecting fibrinogen, fibrinogen split products and/or fibrin split products in blood comprises utilizing killed, dyed Staphylococcus aureus cells which can be prepared by either of two methods. In the first method, Staphylococcus aureus organisms are incubated in a nutrient medium containing a polyalkylene glycol having a molecular weight of from 1000 to 5000 to which is added triphenyltetrazolium chloride; the growing organisms reduce the triphenyltetrazolium chloride to triphenylformazan which imparts coloration to the cells; the dyed Staphylococcus aureus cells are killed and substantially all untrapped dye is removed. In an alternate method, a suspension of Fast Black Salt K is added to a suspension of killed Staphylococcus aureus cells, and the dyed cells which result are washed to remove substantially all unfixed dye. The killed, dyed Staphylococcus aureus cells prepared by either method are suspended in an imidazole buffer to maintain a pH of 7.4.

Abstract: A corona coupling system with a plurality of corona coupling unit blocks, individually snapped on spark plug wires and coil wires, interconnected by wire for corona coupling distribution between the spark plug and coil wires. The blocks are interconnected by two generally parallel, insulated wires clamped in place running through each two-piece block by a stamped conductive metal plate having formed-down corners biting into and through insulation on the block interconnecting wires as plastic top and bottom parts of each block are pressed and sonically welded together. The stamped conductive metal plate is formed with a downward longitudinally extended ridge positioned in the blocks so that the bottom edge rests against and along the insulation of the wire on which each block is mounted.