In an emergency situation, either post extubation or a patient coming in with respiratory distress and are unable to intubate the patient.
Grab a 10F Dog Urinary Catheter and a 3.5mm ET tube blue connector. The connector fits perfectly in the end of the catheter.
The catheter can then be introduced into the patients trachea. A breathing system can then be attached to the blue connector and oxygen can be supplied to your patient!
You can also use this technique via the nose if the pet happens to have a fractured Jaw.Also know a vet that uses the nasal technique with bunny dentals.Never actually saw it, but it sounded pretty cool, plus its one less thing in their mouth when doing a dental