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US 10,045,794 B2Granted
Ultrasonic surgical blades
AssigneeEthicon, Inc.
InventorsDavid A. Witt, Jeffrey D. Messerly, Kevin L. Houser
Life of this patent
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Abstract
An ultrasonic surgical blade includes a body having a proximal end, a distal end, and an outer surface. The distal end is movable relative to a longitudinal axis in accordance with ultrasonic vibrations applied to the proximal end. At least a portion of the outer surface of the body comprises a lubricious coating adhered thereto. The lubricious coating has a coefficient of friction that is less than the coefficient of friction of the outer surface of the body.
Claims5
A method of coating an ultrasonic blade, the method comprising:
- obtaining the ultrasonic blade comprising a proximal end configured to receive ultrasonic vibrations, wherein the ultrasonic blade further comprises:
- an outer surface comprising a tissue treatment region;
- and
- a first coating applied to the tissue treatment region;
- applying a surface treatment to at least a portion of the tissue treatment region;
- and
- applying a second coating to at least a portion of the tissue treatment region, wherein the second coating comprises a thickness greater than three microns.
4 more elements
Dependencies are inferred from the claim text.