A design for flexible intestinal cannulas.
A design for a cannula made by fixing silicone rubber tubing to rigid internal and external flanges is described. These cannulas have been used to fit simple duodenal, simple ileal and abomasal fistulas in adult lactating cattle for periods up to 1 year and have caused minimal tissue reaction at the site of fistulation.
D000018:Abomasum / Q000502:physiology* / Q000601:surgery; D000818:Animals; D002404:Catheterization / Q000295:instrumentation / Q000379:methods*; D002417:Cattle; D004386:Duodenum / Q000502:physiology* / Q000601:surgery; D005260:Female; D005402:Fistula; D007082:Ileum / Q000502:physiology* / Q000601:surgery; D007774:Lactation; D008892:Milk / Q000378:metabolism; D011247:Pregnancy