Fig. 2

A Leadless pacemaker electrode, B Leadless pacemaker electrode loaded with RAPA-PLGA, C–E EDS energy spectrum scanning surface elements of leadless pacemaker electrode loaded with RAPA-PLGA
A Leadless pacemaker electrode, B Leadless pacemaker electrode loaded with RAPA-PLGA, C–E EDS energy spectrum scanning surface elements of leadless pacemaker electrode loaded with RAPA-PLGA