Patent ID: 8956354
Filing Date: 2015-02-17
Classification: A61B

Abstract:
1. An anti-sticking electrosurgical instrument, comprising: a handle portion; an isolation tube, being connected to the handle portion by one end thereof; an instrument portion, being connected to another end of the isolation tube and driven by the handle portion via the isolation tube; an anti-sticking layer, being formed on surface of the instrument portion, wherein water contact angle of the anti-sticking layer is at least 90 degrees; and an electrode, being connected to the handle portion and an external conductive member, such that the instrument portion is able to generate heat when the conductive member conducts electricity to the instrument portion; wherein material of the anti-sticking layer is selected from the group consisting of: chromium metal oxide, zirconium metal oxide, chromium metal nitride, and zirconium metal nitride.