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Methods and devices for termination
专利权人:
John To
发明人:
John To,Niel F. Starksen,Tenny C. Calhoun,Brian Tang
申请号:
US12187331
公开号:
US09072513B2
申请日:
2008.08.06
申请国别(地区):
US
年份:
2015
代理人:
摘要:
Devices and methods used in termination of a tissue tightening procedure are described. Termination includes the cinching of a tether to tighten the tissue, locking the tether to maintain tension, and cutting excess tether. In procedures involving anchors secured to the tissue, the tether is coupled to the anchors and the tissue is tightened via tension applied to the anchors by cinching the tether. In general, the devices and methods can be used in minimally invasive surgical procedures, and can be applied through small incisions or intravascularly. A method for tightening tissue by fixedly coupling a first anchor to a tether and slidably coupling a second anchor to the tether, securing both anchors to the tissue, applying tension to the tether intravascularly, fixedly coupling the tether to the second anchor, and cutting the tether is described. The tissue to be tightened can comprise heart tissue, in particular heart valve annulus tissue. Various devices and methods for locking the tether in place and cutting excess tether are described.
来源网站:
中国工程科技知识中心
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