Patent ID: 9119726
Filing Date: 2015-09-01
Classification: A61F

Abstract:
1. An expandable implant of a minimally invasive surgery comprising: a body including two seats and an adjusting knob fixed on the two seats; a positioning post inserted into the body in an axial direction and including one side contacting with the adjusting knob and another side having a conical member; two first connecting sets coupling with the two seats of the body at a first location, with each first connecting set having two first rods coupling with a respective one of the two seats of the body; two second connecting sets connecting with two sides of a middle section of the positioning post at a second location, with each second connecting set having two second rods coupling with the positioning post; and two expanding pieces each having one side of a middle section connecting with one of the two first rods of each first connecting set at a third location and one side of a bottom end coupling with one of the two second rods of each second connecting set at a fourth location, with the third location located intermediate and spaced from the first location and the second location in the axial direction and with the second location located intermediate and spaced from the third location and the fourth location in the axial direction, with the positioning post being free of coupling between the second location and the conical member.