Systems and methods treat a tissue region at or near {HEAD ~ a sphincter} by deploying {TAIL ~ a carrier}, which carries an electrode that can be advanced to penetrate tissue 
Systems and methods treat a tissue region at or near { HEAD ~ a sphincter } by deploying { TAIL ~ a carrier } , which carries an electrode that can be advanced to penetrate tissue
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH