US2009041827A1PendingUtilityA1

Therapeutic Microfoam

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Assignee: BTG INT LTDPriority: May 26, 1999Filed: Aug 1, 2008Published: Feb 12, 2009
Est. expiryMay 26, 2019(expired)· nominal 20-yr term from priority
Inventors:Tariq OsmanSheila B. Shilton-Brown (Formerly Flynn)Anthony David HarmanDavid D.I. Wright
A61P 9/00A61P 9/14B65D 83/48B65D 83/60B65D 83/20B65D 83/14B05B 11/02A61K 9/0019B65D 83/62B05B 7/0037B65D 83/16A61M 5/31A61K 9/122A61K 31/08A61K 9/12B65D 83/58
69
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Claims

Abstract

Improved therapeutic sclerosing microfoams are provided that have advantage in producing a consistent profile injectable foam with minimal input by the physician yet using high volume percentages of blood dispersible gases, thus avoiding use of potentially hazardous amounts of nitrogen.

Claims

exact text as granted — not AI-modified
1 . A microfoam comprising a physiologically acceptable gas that is dispersible in blood and an aqueous sclerosant liquid characterized in that the microfoam has a density of from 0.07 to 0.19 g/cm 3  and is capable of being passed down a 21 gauge needle without reverting back to gas and liquid by more than 10%, based on liquid content reverting back to unfoamed liquid phase. 
   
   
       2 - 15 . (canceled)

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