No attempt should be made to introduce a canula until the breathing is restored.
By passing a canula into this and ligaturing, the cystic duct may be injected.
M. M. Put milk into a bladder tied to a canula or catheter; introduce it past the stricture, and press it into the stomach.
By these means it was drawn sufficiently forward so as to fasten it to a canula or catheter made fast in the urethra.
Attempts used to be made to leave a catheter or canula in the bladder wound to prevent infiltration.
I then introduced a trocar and canula, and drew off fifty ounces of pus, slightly tinged with blood.
As the trocar is withdrawn, the canula should be pushed still further in.
To prevent this, a canula, or little tube, should be inserted through both orifices as soon as the puncture is made.
The time for removal of the canula varies according to the condition.
The best instruments are the trocar and canula, but in the absence of these a pocket knife and goose quill may be made to answer.
canula can·u·la (kān'yə-lə)
Variant of cannula.
cannula can·nu·la or can·u·la (kān'yə-lə)
n. pl. can·nu·las or can·nu·lae (-lē')
A flexible tube, usually containing a trocar at one end, that is inserted into a bodily cavity, duct, or vessel to drain fluid or administer a substance such as a medication.