A stainless steel electrosurgical blade has a single uniform layer of release material comprising substantially silicone (polysiloxane) applied directly onto the stainless steel blade portion without the necessity of one or more coatings of primer material(s), or multiple layering of the release material...http://www.google.com.au/patents/US6511479?utm_source=gb-gplus-sharePatent US6511479 - Electrosurgical blade having directly adhered uniform coating of silicone release material and method of manufacturing same
