Method of synthesizing swollen hydrogel for sphincter augmentati

Details Method of synthesizing swollen hydrogel for sphincter augmentati Method of synthesizing swollen hydrogel for sphincter augmentati

1996-08-20

1999-05-11

Krass, Frederick

Drug, bio-affecting and body treating compositions

Gel

523113, 524916, 424422, 424423, 424426, 424430, 424433, A61F13/00;2/00;6/06

Patent

active

059028327

ABSTRACT:
A synthesis method is set forth for forming a physiologically acceptable composition comprising a plurality of physiologically acceptable hydrogel particles which have been swollen in a water solution containing a low molecular weight water soluble organic compound, the solution having the ability to swell the particles. The concentration of the organic compound is such that the resulting particles can be inserted, without use of a carrier liquid utilizing a hand driven hypodermic syringe. The swollen hydrogel particles are substantially insoluble in body fluids. The method comprises contacting not fully swollen hydrogel particles with the organic compound and with water.

REFERENCES:
patent: 3419006 (1968-12-01), King
patent: 4134871 (1979-01-01), Otani et al.
patent: 4803075 (1989-02-01), Wallace et al.
patent: 5007940 (1991-04-01), Berg

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