Hanson S. Gifford, III,Matt McLean,Gaurav Krishnamurthy,James Fann,Doug Sutton
申请号：
US16650837
公开号：
US20200275974A1
申请日:
2018.09.14
申请国别(地区):
US
年份:
2020
代理人:
摘要：
Devices and minimally invasive methods for reducing the size of a cardiac valve annulus in a beating heart. Embodiments of the methods can include advancing an energy delivery catheter into the heart proximate a cardiac valve annulus, the energy delivery catheter having at least two electrodes. Then advancing the two electrodes such that the two electrodes pierce into the cardiac valve annulus at a distance from one another. The methods further include applying an approximating force to at least one of the two electrodes, thereby reducing the distance between the two electrodes, and applying energy between the at least two electrodes, thereby heating and shrinking the annulus in a direction of the approximating force.
