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balloon catheter

n :  a catheter that has two lumens and an inflatable tip which can be expanded by the passage of gas, water, or a radiopaque medium through one of the lumens and that is used esp. to measure blood pressure in a blood vessel or to expand a partly closed or obstructed bodily passage or tube (as a coronary artery) - see PERCUTANEOUS TRANSLUMINAL ANGIOPLASTY  - compare SWAN-GANZ CATHETER  .
 
 

 
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Rangely District Hospital (Rangely, Colorado - Rio Blanco County)