Roderick A. Hyde,Gary L. McKnight,Nathan P. Myhrvold,Lowell L. Wood, Jr.
申请号：
US14510367
公开号：
US09730720B2
申请日:
2014.10.09
申请国别(地区):
US
年份:
2017
代理人:
摘要：
Systems and devices are described which include a tissue cutting device including a tethering component an elongated flexible cutting component having a first end and a second end, the first and the second end of the elongated flexible cutting component secured to the tethering component at least one tether having a first end and a second end, the first end of the at least one tether attached to the elongated flexible cutting component, the second end of the at least one tether operably coupled to the tethering component, the tethering component configured to at least one of extend and retract the at least one tether and a motor operably coupled to the tethering component, the motor including circuitry configured to rotate the tethering component and the secured elongated flexible cutting component wherein extension and retraction of the at least one tether by the tethering component changes a shape formed by the elongated flexible cutting component.
