Roderick A. Hyde,Gary L. McKnight,Nathan P. Myhrvold,Lowell L. Wood, Jr.
申请号：
US14510378
公开号：
US09730725B2
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 central rotatable shaft having a first end and a second end； a motor operably coupled to the first end of the central rotatable shaft, the motor including circuitry configured to rotate the central rotatable shaft； a tethering component； and an elongated flexible cutting component having a first end and a second end, the first end of the elongated flexible cutting component secured to the central rotatable shaft at a position between the first end and the second end central rotatable shaft, the second end of the elongated flexible cutting component operably coupled to the tethering component, the tethering component configured to at least one of extend and retract the elongated flexible cutting component； wherein extension and retraction of the elongated flexible cutting component by the tethering component changes a shape formed by the elongated flexible cutting component.
