Retrograde cannulae are designed to deliver cardioplegia solution to the heart via the coronary sinus in the reverse direction of normal blood flow (retrograde perfusion). These cannulae are ...

Nasal Cannulas and COVID-19. Severe COVID can require intubation. During this procedure, doctors put a tube down a patient's throat, allowing a mechanical device to breathe for the patient.

A cannula is a thin tube that doctors insert into a person’s body cavity, such as their nose, or into a vein. Doctors use them to drain fluid, administer medication, or provide oxygen. A person ...

Extrusion cannula used for levitation of dropped IOL Surgeons explain a technique that allows safe, easy access to a dropped IOL with minimal surgical interventions. Issue: November 10, 2013.

Nasal Cannula May Be Viable Treatment For Sufferers Of Sleep Apnea. ScienceDaily . Retrieved June 4, 2025 from www.sciencedaily.com / releases / 2007 / 07 / 070716132719.htm ...