David Dakin Iorwerth Wright,Anthony David Harman,Nikki Robinson,Garry Hodges,Adil Kadar,Geoffrey D. Moggridge,Hugh Van Liew
申请号：
US13667296
公开号：
US08734833B2
申请日:
2012.11.02
申请国别(地区):
US
年份:
2014
代理人:
摘要：
A therapeutic foam for the treatment of, inter alia, varicose veins comprises a sclerosing solution foamed with a physiological gas such as carbon dioxide, oxygen or a mixture thereof. The foam has a nitrogen content of less than 0.8%. It may be generated using a pressurized canister system incorporating a fine mesh of micron dimensions through which the gas and sclerosing liquid are passed to make the foam. Alternatively, the foam may be generated by passing gas and solution between two syringes through a fine mesh. Techniques are described for minimizing the amount of nitrogen in a canister or syringe based product. A technique for generating and delivering foam simultaneously using a syringe based device is also disclosed.
