\ˈstent \

Definition of stent 

: a short narrow metal or plastic tube often in the form of a mesh that is inserted into the lumen of an anatomical vessel (such as an artery or a bile duct) especially to keep a previously blocked passageway open

Examples of stent in a Sentence

Recent Examples on the Web

Dugas explained that the antioxidant-releasing stents are currently being tested on animals and researchers have noted faster healing around the area where the device is implanted after two months. Maria Clark,, "LSU study looks at whether red wine can treat advanced heart disease," 2 Feb. 2018 That’s why Criner and other researchers have spent decades testing minimally invasive lung-shrinking techniques including coils, stents, injectable sealants, and one-way valves. Marie Mccullough,, "Temple-led study of lung-shrinking valves offers new hope for advanced emphysema," 22 May 2018 Fischell has had a hand in numerous inventions including coronary artery stents, the implantable heart defibrillator, the implantable insulin pump, a device to prevent migraine headaches and a device to prevent death from heart attacks. Meredith Cohn,, "University of Maryland School of Medicine to receive $20 million gift," 10 May 2018 Not long before the operation, doctors had to insert a stent to keep a coronary artery open, something that normally would have put him on blood thinners for six months and precluded surgery. Lenny Bernstein, Washington Post, "Her obstetrician father brought her into the world. Last month, she saved his life.," 6 Jan. 2018 The idea is an alternative to fluoroscopy guided procedures, the X-ray technology that doctors now use to place a stent graft within an artery. Laura Landro, WSJ, "The Operating Room of the Future," 28 May 2018 Because of the accident, the main artery in her leg also partially collapsed and required a stent. NBC News, "Katie Arrington, Trump-backed congressional hopeful, released from hospital after car crash," 6 July 2018 Mule said Arrington would need more surgeries, as well as a stent to repair the partial collapse of the primary artery in her legs, and would need to stay in the hospital for two weeks. Meg Kinnard,, "US House candidate who beat Sanford seriously hurt in wreck," 24 June 2018 In 2016, Medicare reported that stents inserted into arteries in outpatient settings cost an average of $645 more than if done inpatient. John Dorschner, miamiherald, "The South Florida Hospital War. (It’s all location, location, location) | Miami Herald," 25 Feb. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'stent.' 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 stent

1961, in the meaning defined above

History and Etymology for stent

Charles Thomas Stent †1885 English dentist

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Statistics for stent

Last Updated

10 Oct 2018

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Time Traveler for stent

The first known use of stent was in 1961

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English Language Learners Definition of stent

medical : a metal or plastic tube that is put in a blood vessel to keep it open


\ˈstent \
variants: also stint \ ˈstint \

Medical Definition of stent 

1 : a mold formed from a resinous compound and used for holding a surgical graft in place also : something (as a pad of gauze immobilized by sutures) used like a stent

2 : a short narrow metal or plastic tube often in the form of a mesh that is inserted into the lumen of an anatomical vessel (as an artery or bile duct) especially to keep a previously blocked passageway open

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