1. The Stretta® procedure: device, technique, and pre-clinical study data
David S Utley, MD 
Gastrointestinal Endoscopy Clinics 
Volume 13, Issue 1, Pages (January 2003)
DOI: /S (02)

2. Fig. 1
(A) Stretta® catheter with guidewire in place within tip channel for insertion and positioning, (B) Stretta® catheter with electrodes deployed.
Gastrointestinal Endoscopy Clinics  , DOI: ( /S (02) )

3. Fig. 1
(A) Stretta® catheter with guidewire in place within tip channel for insertion and positioning, (B) Stretta® catheter with electrodes deployed.
Gastrointestinal Endoscopy Clinics  , DOI: ( /S (02) )

4. Fig. 2 Stretta Control Module.
Gastrointestinal Endoscopy Clinics  , DOI: ( /S (02) )

5. Fig. 3
Stretta® catheter positioned 1 cm above Z-line, balloon inflated, needles deployed, irrigation cooling mucosa, and RF energy delivery.
Gastrointestinal Endoscopy Clinics  , DOI: ( /S (02) )

6. Fig. 4
Final result of Stretta® procedure. Four antegrade rings above and below the Z-line, 8 lesions per ring. Two gastric cardia rings, 12 lesions per ring.
Gastrointestinal Endoscopy Clinics  , DOI: ( /S (02) )

7. Fig. 5
(A) Porcine LES and gastric cardia demonstrating circular muscle lesion as pale staining region on H and E stain and (B) absent staining region on diaphorase staining with intact mucosa. (See also Color Plates 3 and 4.)
Gastrointestinal Endoscopy Clinics  , DOI: ( /S (02) )

8. Fig. 5
(A) Porcine LES and gastric cardia demonstrating circular muscle lesion as pale staining region on H and E stain and (B) absent staining region on diaphorase staining with intact mucosa. (See also Color Plates 3 and 4.)
Gastrointestinal Endoscopy Clinics  , DOI: ( /S (02) )

9. Color Plate 3
Porcine LES and gastric cardia demonstrating circular muscle lesion as pale staining region on H and E stain (See also Fig. 5A in article by Utley.)
Gastrointestinal Endoscopy Clinics  , DOI: ( /S (02) )

10. Color Plate 4
Absent staining region on diaphorase staining with intact mucosa (See also Fig. 5B in article by Utley.)
Gastrointestinal Endoscopy Clinics  , DOI: ( /S (02) )

11. Fig. 6
Acute thermal lesion within human gastric cardia. Patient treated under human subjects protocol several hours before esophagogastrectomy for midesophageal adenocarcinoma. Thermal lesion within circular muscle, with overlying intact mucosa. (See also Color Plate 5.)
Gastrointestinal Endoscopy Clinics  , DOI: ( /S (02) )

12. Color Plate 5
Acute thermal lesion within human gastric cardia. Patient treated under human subjects protocol several hours before esophagogastrectomy for midesophageal adenocarcinoma. Thermal lesion within circular muscle, with overlying intact mucosa (See also Fig. 6 in article by Utley.)
Gastrointestinal Endoscopy Clinics  , DOI: ( /S (02) )