John C. Herr,Alexander L. Klibanov,Kevin Simon Eisenfrats
申请号：
US15349824
公开号：
US10155063B2
申请日:
2016.11.11
申请国别(地区):
US
年份:
2018
代理人:
摘要：
Disclosed are methods of delivering an agent to the lumen of the vas deferens under guidance of ultrasound imaging. The methods include vas-occlusive contraception in which the vas deferens is non-surgically isolated and an occlusive substance is percutaneously administered into the lumen of the vas deferens under ultrasound. Also disclosed are methods of reversal of vas-occlusive contraception and methods of delivering an agent to the lumen of the vas deferens. Also disclosed are compositions for use in the methods of the invention.
