coupling gel

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coupling gel

A thin colloidal suspension placed on the patient's skin, used as a conductive medium for the sound waves generated by an ultrasonic transducer.
See also: gel


a colloid that is firm in consistency, although containing much liquid; a colloid in a gelatinous form.

coupling gel
gel diffusion technique
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A coupling gel was used for prepare suitable contact between transducer and eye.
Fluid suppliers Dow Corning, Emerson & Cuming, GE Toshiba, Henkel Loctite, and Nye Lubricants will discuss underfill and phosphor coatings, LEDs in automobile illumination and backlight utilization, silicones and optical coupling gels.
Nye also offers a line of specialty products, including motion and noise control compounds, electrically conductive greases, antimigration barrier films, heat sink compounds, magnetic recording media coatings, vacuum lubricants, and optical coupling gels and fluids.