Calcium-modified oxidized cellulose hemostat

Details Calcium-modified oxidized cellulose hemostat Calcium-modified oxidized cellulose hemostat

1995-03-24

1996-01-16

Nutter, Nathan M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

536 76, 536127, 525 542, 424443, 424444, 424446, 424447, 602900, 604292, 604213, C08B 102

Patent

active

054849136

ABSTRACT:
A calcium-modified oxidized cellulose hemostat provides faster hemostasis than does either unmodified or sodium- or potassium-modified oxidized cellulose. The percentage by weight of calcium in the modified oxidized cellulose must be in a range between about 0.5 and about 4, in order to enhance hemostasis, while not interfering excessively with bioabsorbability. In a second embodiment, an oxidized cellulose hemostat is modified with both calcium and either sodium or potassium. The second embodiment may be used to deliver acid-sensitive materials.

REFERENCES:
patent: 2517772 (1950-08-01), Doub et al.
patent: 3666750 (1972-05-01), Briskin et al.
patent: 4655211 (1987-04-01), Sakamoto et al.
patent: 5134229 (1992-07-01), Saferstein et al.

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