. "Suitable antimicrobial agents which may be included as a medicament in the circular anastomosis structure of the present disclosure include triclosan, also known as 2,4,4???-trichloro-2???-hydroxydiphenyl ether, chlorhexidine and its salts, including chlorhexidine acetate, chlorhexidine gluconate, chlorhexidine hydrochloride, and chlorhexidine sulfate, silver and its salts, including silver acetat" . . . . .