A method for direct radioimmunoassay of antigens or their associated antibodies utilizing a coated test well comprising adding a serum to be tested for an antigen to test apparatus coated with its antibody; incubating the tubes for from 0.5 to 42 hours; aspirating the contents and washing the same w ...
This invention relates to cardiovascular clamps for use in various surgical applications so constructed that they may be applied to the arteries or veins of a patient in such manner that little or no strain is placed upon the clamped tissue, and when so applied, the handle portion of the clamp is po ...
A catheter of the fiberoptic type is disclosed for insertion into the cardiovascular system. The catheter comprises a flexible element with light-conducting fibers therein extending from one end of the element to the other. A recess is provided adjacent one end of the catheter to prevent the optical ...
A method for producing laminated embossed webs useful as toweling, napkins, placemats and the like. The method employs a novel arrangement of embossing and laminator rolls to achieve a nested configuration of the embossed, inwardly-extending projections, and avoids the speed limitations inherent in ...
Useful surgical elements consist of a sterile synthetic copolymer containing, by mole percent, about 15 to 85% glycolic acid and 85 to 15% lactic acid, which has enhanced tissue absorption as compared with polylactic acid and enhanced solubility in organic solvents as compared with polyglycolic acid ...
A non-pressurized package containing a product, especially a cosmetic product selected from the class consisting of those to be applied to skin and hair, said product comprising two separate compositions which are adapted to be mixed together to form a final heated composition which is dispensed fro ...
A track roller having a rim for rotation about an elongated shaft including a pair of cylindrical retainer sleeves individually positionable in axially spaced, radially supporting relation within a centrally disposed bore formed through the rim and about a respective one of a pair of axially spaced ...
A positive joint locking device for locking a threaded joint of pipe or the like against disengagement including split housing sections releasably mounted about a threaded joint; gripper means and wedge means being mounted with said housing sections for grippingly engaging the pipe joint with greate ...
An apparatus is provided for increasing the intensities of heavy ion beams accelerated in isochronous cyclotrons at high harmonics (5th harmonic or greater) of the orbit frequency. The small intensities normally obtained at high harmonics are significantly increased by the addition of a dc ion extra ...
An artificial intraocular lens for implantation in the posterior chamber of an eye after intracapsular or extracapsular lens extraction comprises a transparent optical zone portion shaped similar to the natural lens and a plurality of prongs protruding forwardly from the periphery thereof, wherein a ...
