Russell PONG,Robert L. CLARK, III,Gregory W. FUNG,Arnold M. ESCANO
申请号：
US14272478
公开号：
US20140336676A1
申请日:
2014.05.07
申请国别(地区):
US
年份:
2014
代理人:
摘要：
Described here are closure devices and methods for ligating tissue, such as the left atrial appendage. The closure devices may comprise a snare loop assembly comprising a snare and a suture loop releasably attached thereto, and a snare control. The closure devices may further comprise one or more reference markings, wherein the relative positioning between a portion of the snare control and the reference markings provides an indication of the diameter of the snare loop assembly. In some variations, when the snare loop assembly is closed around a tissue such as the left atrial appendage, the measured diameter of the snare loop assembly may help a user determine whether the snare loop assembly has been properly positioned relative to the tissue, as well as the approximate size that a suture loop may have when released from the snare loop assembly.
