Insulated sleeve high frequency resectoscope
Patent 4506668 Issued on March 26, 1985. Estimated Expiration Date: 
June 20, 2003. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
June 20, 2003. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3768482 4030502 Endoscope with an operating device Patent #: 4060086 InventorApplicationNo. 06/505999 filed on 06/20/1983US Classes:606/46EndoscopicExaminersPrimary: Coven, Edward M.Attorney, Agent or FirmInternational ClassA61B 18/14 (20060101)Foreign Application Priority Data1982-06-23 DEAbstractThe insulating end piece of a high frequency cutting loop resectoscope is formed using ceramic fibers in an epoxy resin matrix for improved strength, heat dissipation and abrasion resistance. An end portion has fibers fused together or a separate annular ceramic body welded to the fibers. | |
