Stainless steel stylets were used to keep the cannula sealed and prevent occlusion.
From the nature.com
Reporters now blame IV cannula and catheters for spreading MRSA in hospitals.
From the en.wikipedia.org
A trocar and cannula assembly having conical valve and related methods.
From the orlandosentinel.com
She is now fed through a feeding tube and is on nasal cannula for oxygen.
From the parenting.blogs.nytimes.com
The cannula was then anchored to the skull with stainless steel screws and dental acrylic.
From the nature.com
Photographs of intraoperative patient orientation and cannula placement.
From the nature.com
The needle is then removed, leaving the cannula in place, which is sometimes trimmed down.
From the en.wikipedia.org
Disinfect, insert the cannula, pull out the cannula, dress the wound.
From the en.wikipedia.org
To prevent this, a cannula with accurate trim distances may be used.
From the en.wikipedia.org
More examples
A small flexible tube inserted into a body cavity for draining off fluid or introducing medication
A cannula (from Latin "little reed"; plural cannulae) or canula is a tube that can be inserted into the body, often for the delivery or removal of fluid. ...
A tube inserted in the body to drain or inject fluid; A hose or tube that connects directly to an oxygen (O2) bottle/source from the user's nose, commonly used by aircraft pilots or others needing direct oxygen breathing apparatus
(Cannulae) tubes that connect the heart and blood vessels to the pump.
(Cannulas) Tubes which hold the laparoscope and instruments, and allow access to the abdominal cavity for performance of laparoscopic surgery.
A special tube designed for placing drugs into the udder through the teat end and streak canal.
A hollow tube like that used for insemination.
A small plastic tube used to supply extra oxygen through the nose.