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Venous insufficiency treatment method
专利权人:
发明人:
Eamonn P Hobbs,William M Appling
申请号:
US14989167
公开号:
US09782562B2
申请日:
2016.01.06
申请国别(地区):
US
年份:
2017
代理人:
摘要:
A method of treating varicose veins and other vascular diseases provides sclerosant fluid through a catheter into the body vessel to be treated. The catheter has a lumen and a plurality of sidewall exits. The sclerosant fluid is provided under sufficient pressure so that it comes out of each exit as a jet of fluid with sufficient velocity to impinge on the vessel wall substantially orthogonal to the wall and thus minimize dilution of the sclerosant fluid and optimize coverage. A movable sheath on the catheter permits selecting a portion of the exits to be uncovered and thus create an infusion zone for the jets of sclerosant fluid which approximately match a desired treatment zone.
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