Dilators are typically used in medical procedures to open up various organs or vessels, including the heart, blood vessels, or airways in the lungs. Some synonyms for "dilators" include expanders, stretchers, wideners, and enlargers. In the context of medical procedures, you might also hear the terms stent or graft used interchangeably with dilator. Dilators can be useful in treating various conditions, ranging from heart disease and hypertension to respiratory issues like asthma or chronic obstructive pulmonary disease. Depending on the specific application, doctors may choose from a variety of dilators, including balloons, catheters, and even surgical tools. Regardless of the technique used, dilators remain an important tool in modern medicine.