发明名称 |
Method and apparatus for producing homogenous cavitation to enhance transdermal transport |
摘要 |
The present invention is directed to apparatus and methods for producing homogenous cavitation. An ultrasound souce comprising an ultrasound transmitting element having an axis and a cross-section along the axis is disclosed The ultrasound transmitting element also has a first axial end and a second axial end operable to produce ultrasonic waves. The cross-section has an area having a maximum value at the first axial end and a minimum value at the second axial end. A method for producing homogenous cavitation at an area of skin comprises creating a volume of fluid having a uniformly dispersed concentration of cavitation nuclei adjacent the area of skin. Ultrasound is then applied to the volume of fluid and causes cavitation at the cavitation nuclei.
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申请公布号 |
US6620123(B1) |
申请公布日期 |
2003.09.16 |
申请号 |
US20010868443 |
申请日期 |
2001.07.26 |
申请人 |
SONTRA MEDICAL, INC. |
发明人 |
MITRAGOTRI SAMIR S.;KOST JOSEPH;KELLOGG SCOTT C.;WARNER NICHOLAS F. |
分类号 |
A61B17/22;A61B17/32;A61M37/00;(IPC1-7):A61B17/20 |
主分类号 |
A61B17/22 |
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