Journal of Applied Physiology, Vol 39, Issue 5 846-848, Copyright © 1975 by American Physiological Society
Suturable gastrointestinal cannulas for animals of various sizes
C. F. Cramer and R. Couch
A new procedure in which gastrointestinal cannulas are prepared from
suturable material improves in vovo methods and requires little machining.
Substitution of a suturable material for rigid collars, previously used,
prevents leakage, infection, and loss of the cannulas into the gut lumen.
The technique has been successfully applied to rats, rabbits, and dogs;
consequently it should be useful in animals of almost any size. Two designs
of cannulas with descriptions of their implantation are presented. The
first version fits into each end of a gut loop and is useful for perfusion,
digestion, and secretion studies. The second version forms a sidearm
through which feeding or sampling can be carried out at any point in the
intestine or the stomach.
