| 摘要 |
An electrosurgical surface treatment formed on the surface of a surgical device the surface treatment including a indentation extending into a surface of the surgical device, the indentation including a first surface forming a first plane a second surface forming a second plane, and a third surface forming a third plane. The first, second and third planes are substantially perpendicular to each other. The surface treatment is visible to an ultrasonic imaging system and the surface treatment improves visibility of the surgical device by the ultrasonic imaging system.
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