| 释义 |
DictionarySeecouplecouplant
couplant[′kəp·lənt] (engineering) A substance such as water, oil, grease, or paste used to avoid the retarding of sound transmission by air between the transducer and the test piece during ultrasonic examination. couplant
couplant (kŭp′lănt) A medium, typically a viscous, nontoxic liquid or gel, that transmits ultrasonic energy from its source to the object to be stimulated. In respiratory care, a couplant in a nebulizer transmits the ultrasonic vibrations into a chamber in which a medication is held. The ultrasonic energy aerosolizes the medication for inhalation by the patient. |