- a flexible or rigid hollow tube employed to drain fluids from body cavities or to distend body passages, especially one for passing into the bladder through the urethra to draw off urine or into the heart through a leg vein or arm vein for diagnostic examination.
Origin of catheter
Examples from the Web for catheter
He mentioned that passing a catheter often causes shivering.
The catheter or tube is cut so that but nine inches remain for use.The Eugenic Marriage, Vol 2 (of 4)
W. Grant Hague
If successful, a catheter must be secured in the bladder in the usual way.A Manual of the Operations of Surgery
It consists of the curved part of a catheter, and it is 13 cm.Surgical Instruments in Greek and Roman Times
John Stewart Milne
To prevent any injury, the ligature should be brought away first, and then the catheter.A System of Midwifery
- med a long slender flexible tube for inserting into a natural bodily cavity or passage for introducing or withdrawing fluid, such as urine or blood
Word Origin and History for catheter
c.1600, from French cathéter, from Late Latin catheter "a catheter," from Greek katheter "surgical catheter," literally "anything let down," from stem of kathienai "to let down, thrust in," from kata "down" (see cata-) + stem of hienai "to send" (see jet (v.)). Earlier was cathirum (early 15c.), directly from Medieval Latin. Related: Catheterization; catheterized; catheterizing.
- A hollow, flexible tube inserted into a body cavity, duct, or vessel to allow the passage of fluids or distend a passageway; its many uses include the diagnosis of heart disorders when inserted through a blood vessel into the heart.
- A hollow, flexible tube inserted into a body cavity, duct, or vessel to allow the passage of fluids or distend a passageway.