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Brief Title: A Clinical Study of Laparoscopic Proximal Gastrectomy Based on PTST(Parachute-tunnel- Style Technique) Esophagogastric Anastomose.
Official Title: A Single-center, Prospective, Single-arm Clinical Study of Laparoscopic Proximal Gastrectomy Based on an Original Esophagogastric Anastomose (PTST,Parachute- Tunnel- Style Technique)
Study ID: NCT06217991
Brief Summary: 1. To evaluate the safety, simplicity and effectiveness of the gastric function (anti-reflux) preservation of the innovative "parachute-tunnel-style technique" (PTST) in laparoscopic proximal gastrectomy. 2. To investigate the correlation between anastomotic stenosis and blood supply of serosa-muscle flap,suture after esophagogastric anastomosis.(obtain objective indexes such as blood supply, healing pattern and length change of serosa-muscle flap through animal experiments)
Detailed Description:
Minimum Age: 18 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: ALL
Healthy Volunteers: No
General Surgery Gastrointestinal Department,Tang-Du of Fourth Military Medical University, Xi'an, Shannxi Province, China