A distal tip of {HEAD ~ the lead body} is continuously deflectable upon advancement and withdrawal of a stylet through {TAIL ~ the lumen} at the distal portion to access a selected branch of the coronary sinus 
A distal tip of { HEAD ~ the lead body } is continuously deflectable upon advancement and withdrawal of a stylet through { TAIL ~ the lumen } at the distal portion to access a selected branch of the coronary sinus
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH