Definition of catheter
: a tubular medical device for insertion into canals, vessels, passageways, or body cavities usually to permit injection or withdrawal of fluids or to keep a passage open — compare balloon catheter
Recent Examples of catheter from the Web
The Rangers hit a home run during one catheter procedure.
The two doctors, both vascular surgeons, started to develop a new device based on an older balloon catheter designed to prevent bleeding in people having surgery on the aorta.
Each night, Abigail would fall asleep with the catheter in her abdomen connected to the dialysis machine in a cart next to her crib.
The subpoena also sought inspection of all catheters, medication containers, fluid bags and other medical implements collected by the medical examiner.
Immunotherapy can come in many forms -- vaccines, antibody or cellular therapies, or drugs -- and can be received through an injection, a pill or capsule, a topical ointment or cream, or a catheter.
One way the setup could be used, Dr. Michael Sichlau said, would be to position a catheter to blast a tumor with treatment.
Helistroke is just one of the ways hospitals are trying to make the catheter treatments available to more stroke victims.
A patient at Suburban Hospital in Bethesda had suffered a stroke and needed a specialized procedure in which a catheter is used to clear the clogged artery in the brain.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'catheter'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
CATHETER Defined for English Language Learners
Definition of catheter for English Language Learners
medical : a thin tube that is put into the body to remove or inject a liquid or to keep a passage open
Medical Definition of catheter
: a tubular medical device for insertion into canals, vessels, passageways, or body cavities for diagnostic or therapeutic purposes (as to permit injection or withdrawal of fluids or to keep a passage open)
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