Collagen Sol for Submucosal Local Injection
AssigneeTokyo Metropolitan Industrial Technology Research Institute
InventorsToshio Uraoka, Naohisa Yahagi, Shunji Yunoki, Yoshimi Ohyabu, Takefumi Narita
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Abstract
Object of the present invention is to provide a safe sol for submucosal local injection which gels and creates a mucosal elevation having a high retention rate of mucosal elevation height when locally injected into a digestive submucosa. Provided is a sol for submucosal local injection containing from 0.2 mass % to 1.2 mass % of a collagen, water, a buffer, and from 200 mM to 420 mM sodium chloride.
Claims13
A method of treating a submucosa, which comprises injecting a sol comprising from 0.2 mass % to 1.2 mass % of a collagen, water, a buffer, and from 200 mM to 420 mM sodium chloride into the submucosa.
An endoscope system for endoscopic mucosal resection or endoscopic submucosal dissection, comprising a unit for locally injecting a sol comprising from 0.2 mass % to 1.2 mass % of a collagen, water, a buffer, and from 200 mM to 420 mM sodium chloride.
Dependencies are inferred from the claim text.