Figure 2 - The Stretta radiofrequency delivery system.
From the following article
Endoscopic therapy for gastroesophageal reflux disease
Walter J. Hogan
GI Motility online (2006)
doi:10.1038/gimo55
a: Lower esophageal sphincter (LES) zone pretreatment. b: Catheter insertion. c: Initial axial burn. d: Second axial burn; 45°C burn. e: Completion of RF treatments (eight per axial level) above/below gastroesophageal junction (GEJ). f: LES zone posttreatment. (Source: Curon Medical, Inc. Fremont, CA, with permission)
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