cath·​e·​ter | \ ˈka-thə-tər, ˈkath-tər\

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

Examples of catheter in a Sentence

Recent Examples on the Web

For months Mike had only a piece of skin covering his brain, which was peppered with catheters pulling spinal fluid out of it to control the swelling. Emily Deciccio, Fox News, "Service dog training program offers hope, rehab to inmates and soldiers," 19 July 2018 Hamm's longtime attorney, Columbia law professor Bernard Harcourt, has said Hamm's cancer and subsequent treatments have made his veins inaccessible and unable to handle the catheter. Carol Robinson,, "Rumor of Mountain Brook High School threat untrue, police say," 22 Feb. 2018 The most dangerous pathogens were multidrug-resistant bacteria that pose a particular threat in hospitals, nursing homes, and among patients who need medical devices such as ventilators and blood catheters. Jonathan Saltzman,, "Partnership based at BU gets $50m to help fight drug-resistant superbugs," 22 May 2018 Bloody urine drains from his bladder because it has been injured by a catheter insertion. Sandeep Jauhar, New York Times, "A Doctor Argues That Her Profession Needs to Slow Down, Stat," 26 Jan. 2018 The device has been designed for both premature infants and full-term babies with medical issues that require a catheter, according to James Wall, a pediatric surgeon and assistant director of the Stanford Biodesign Innovation Fellowship. Laura Landro, WSJ, "The New, Improved World of Infant Care," 16 Sep. 2018 Before the procedure, your stomach will be cleaned, a catheter will be placed into your bladder to collect urine, and IV lines will be put in a vein in your hand or arm to give you fluid and medication. Korin Miller, SELF, "Here’s What An Emergency C-Section Actually Is," 9 Aug. 2018 An unnamed medical provider removed Harris' catheter and inserted a new one, according to the suit. Andy Marso, kansascity, "VA inflated catheter in Missouri man's penis, causing bleeding then death, suit says," 4 June 2018 Treatment options include medications and a surgical procedure, catheter ablation, that destroys small areas of heart tissue that are causing rhythm problems. Emily Sohn, Washington Post, "Everyone has heart palpitations, but for some it can be serious," 7 Mar. 2018

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.

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First Known Use of catheter

1601, in the meaning defined above

History and Etymology for catheter

Late Latin, from Greek kathetēr, from kathienai to send down, from kata- cata- + hienai to send — more at jet

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Statistics for catheter

Last Updated

2 Jan 2019

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Time Traveler for catheter

The first known use of catheter was in 1601

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English Language Learners Definition of catheter

medical : a thin tube that is put into the body to remove or inject a liquid or to keep a passage open


cath·​e·​ter | \ ˈkath-ət-ər, ˈkath-tər \

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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More from Merriam-Webster on catheter

Spanish Central: Translation of catheter

Nglish: Translation of catheter for Spanish Speakers

Britannica English: Translation of catheter for Arabic Speakers Encyclopedia article about catheter

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