Fig. 4
From: Mechanical analysis of a novel biodegradable zinc alloy stent based on a degradation model
Interaction between the strutting ring and the link. a Initial status of the strutting ring and the link. b The wedge part can be compressed through the link when the strutting ring moves from right to left. c The wedge part recoils after through the link, while the stopping part can prevent the strutting ring from sliding out the link. d The interaction between the wedge part and the link can prevent the strutting ring from moving back