[The nickel titanium alloy esophageal stent]

Area of Science:

• Gastroenterology
• Biomedical Engineering

Background:

• Benign esophageal strictures pose a significant clinical challenge.
• Current treatment options may have limitations in terms of invasiveness or efficacy.

Observation:

• A novel nickel titanium alloy esophageal stent was designed and utilized for treating eight cases of benign esophageal stricture.
• The stent insertion technique and design features were detailed.
• The stent demonstrated ease of insertion and removal without esophageal mucosal irritation.

Findings:

• The nickel titanium alloy stent proved effective in treating short-segment benign esophageal strictures.
• Good outcomes were observed in most cases, with challenges noted in long-segment strictures due to chemical burns.
• The stent is characterized by its non-irritating properties and simple application.

Implications:

• This esophageal stent represents a safe, simple, and effective therapeutic option for benign esophageal strictures.
• The design facilitates minimally invasive treatment with good patient tolerance.
• Further investigation may be warranted for optimizing treatment in complex cases, such as long-segment strictures from chemical burns.