Patent ID: 6409725
Filing Date: 2002-06-25
Classification: A61B

Abstract:
An electrosurgical instrument for cooperation with a supply of electrical energy, said electrosurgical instrument of the type including a handle, one or more conductors coupling the power supply to the handle, and a knife blade for use in the hemostatic cutting of soft tissue, said cutting being accomplished through the transfer of electrical energy from the knife blade to a patient during surgery primarily through conduction, said knife blade comprising:a conductive substrate having a surface; one or more coatings applied to at least a portion of the conductive substrate, at least one of said one or more coatings including a non-stick polymer agent substantially uniformly impregnated with a conductive agent; and at least a portion of said at least one of said one or more coatings being coated with a top coating including a non-stick agent impregnated substantially uniformly with a conductive agent and a hardening agent.