ХЕВЕН Малкольм (US),ГРИЛИС Джон П. (US),СИРИВОН Микксей (US),ЮРЕК Мэттью Т. (US)
申请号：
RU2015138274
公开号：
RU2015138274A
申请日:
2014.03.07
申请国别(地区):
RU
年份:
2017
代理人:
摘要：
An expandable bone anchor, comprising: an anchor body (1200) comprising: a distal tapered anchor tip (1260)； a plurality of first expandable side portions (1220) positioned at a proximal end (1250) of the anchor body (1200), wherein the first expandable side portions (1220) expand by bending outward such that the first expandable side portion (1220) extends outward to a greater extent at its proximal portion than at its distal portion； and a plurality of second expandable side portions (1270) positioned distally of the first expandable side portions (1220), wherein the second expandable side portions (1270) expand by bending outward such that the second expandable side portion (1270) extends outward to a greater extent at its distal portion than at its proximal portion； and a spreader (1300) configured to advance distally into the anchor body (1200), thereby causing the first and second expandable side portions to expand outward.
