catheter
noun
cath·e·ter
ˈka-thə-tər 
ˈkath-tər
: 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
Examples of catheter in a Sentence
Recent Examples on the Web
The combined company would control more than 50% of the market for hydrophilic coatings, which are used on catheters, guidewires and other devices and help doctors maneuver within tight confines like blood vessels in the brain without damaging surrounding tissue.
—
Adriel Bettelheim, Axios, 10 Mar. 2025
Cardiologists were unable to obtain catheter supplies, and other surgeons could not get robotic supplies, Koenig wrote in her July report.
—Michelle Marchante, Miami Herald, 4 Mar. 2025
Doctors there found a clot in the same vein in which Dr. John had placed the dialysis catheter.
—John Carreyrou, New York Times, 23 Jan. 2025
Go deeper: The FTC under Trump made its first move to challenge private equity in health care last week, Axios Pro reported, suing to block the $627 million acquisition of a maker of specialized coatings for catheters and other medical devices.
—Hans Nichols, Axios, 11 Mar. 2025
See All Example Sentences for catheter
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Adriel Bettelheim, Axios, 10 Mar. 2025
Cardiologists were unable to obtain catheter supplies, and other surgeons could not get robotic supplies, Koenig wrote in her July report.
—Michelle Marchante, Miami Herald, 4 Mar. 2025
Doctors there found a clot in the same vein in which Dr. John had placed the dialysis catheter.
—John Carreyrou, New York Times, 23 Jan. 2025
Go deeper: The FTC under Trump made its first move to challenge private equity in health care last week, Axios Pro reported, suing to block the $627 million acquisition of a maker of specialized coatings for catheters and other medical devices.
—Hans Nichols, Axios, 11 Mar. 2025
See All Example Sentences for catheter
Cite this Entry
“Catheter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/catheter. Accessed 14 Apr. 2025.
Copy CitationMedical Definition
catheter
noun
cath·e·ter
ˈkath-ət-ər, ˈkath-tər
: 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)
Love words? Need even more definitions?
Merriam-Webster unabridged
Share