Patent ID: 7309502

Claim:
A pharmaceutical composition consisting essentially of: a first substance comprising sodium chloride in an amount between about 1.5% and 6% (w/v); a second substance comprising a gelatin derivative having a molecular weight of about 20,000-35,000 atomic mass units and selected from the group consisting of urea-conjugated gelatin, modified liquid gelatin, oxidized polygelatin and degraded gelatin polypeptide, and mixtures thereof in an amount between about 3 and 18% total (w/v); a third substance comprising at least one of sodium bicarbonate, potassium chloride, magnesium sulfate, calcium chloride, calcium gluconate, calcium lactate, sodium lactate, and Tris (Hydroxymethyl) aminomethane in an amount that is greater than 0% and less than or equal to 5.4% total (w/v); and an injection comprising at least one of water, physiological saline, balanced buffers, glucose solution, sodium lactate solution, Tris solution, and glucose and sodium chloride solution in an amount between about 75.1% and 95.5% total (w/v), wherein the total sodium ion concentration does not exceed an equivalent sodium ion concentration of 6.9% (w/v) sodium chloride solution.