Clot activator for serum separation tubes

Details Clot activator for serum separation tubes Clot activator for serum separation tubes

1983-12-15

1986-04-01

Richman, Barry S.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

65 17, 65 22, 73 641, 210927, 422 73, 422102, 436 69, 501 39, 501 53, C03C 306, G01N 3386

Patent

active

045798281

ABSTRACT:
An improved clot activator system for reducing the clotting time for blood samples in serum separation tubes, and the like, as well as increasing the degree of clotting, while at the same time, reducing the cost of production. This is achieved by the addition of glass pieces to the tube which pieces are formed in a particular way by a sol-gel process. The particles are pieces of glass, and are a porous substantially rigid amorphous inorganic sponge with substantial reactive surfaces. When a blood sample is introduced into a serum separation tube containing such pieces, the blood enters the interstices of the pieces causing fragmentation thereof, which fragmentation causes sound and shock waves which, in turn, enhance the clotting of the blood.

REFERENCES:
patent: 3667909 (1972-06-01), Thomas
patent: 4028085 (1977-06-01), Thomas
patent: 4153739 (1979-05-01), Kessler
patent: 4257886 (1981-03-01), Kessler
patent: 4402927 (1983-09-01), von Dardel et al.
Yamane et al, Preparation of a Gel From Metal Alkoxide and its Properties as a Precursor of Oxide Glass, J. Material Sci. 13 (1978) 865-70.

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