Angiographic vascular occlusion agents and a method for hemostatic occlusion
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United States of America Patent
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Mar 25, 1997
Grant Date -
N/A
app pub date -
Jan 23, 1995
filing date -
Jan 23, 1995
priority date (Note) -
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Abstract
Angiographic vascular occlusion agents comprising a biopolymer alone or in combination with platelet-rich plasma. A liquid biopolymer gels in situ in contact with divalent cations. Biopolymer agent achieves permanent occlusion, biopolymer combined with the platelet-rich plasma achieves temporary or semi-permanent occlusion. The plasma is obtained from the patient's own blood to avoid undesirable immunogenic reactions. The occlusion agents have strong occlusive properties when injected into a bleeding vessel.
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