Retractor for use in oral and maxillofacial surgery
Patent 4616633 Issued on October 14, 1986. Estimated Expiration Date: 
March 7, 2005. 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.
March 7, 2005. 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 3701348 3853120 InventorAssigneeApplicationNo. 06/709129 filed on 03/07/1985US Classes:600/206, Having flexible, malleable or shape memory material600/210, With special blade or retracting surface structure600/237MouthExaminersPrimary: Eskovitz, Jay N.Attorney, Agent or FirmInternational ClassA61B 17/02 (20060101)AbstractAn instrument for retracting soft tissue during oral and maxillofacial surgery has a handle, a palm engaging lesser blade at one end of the handle and a greater active blade which extends at an adjustable angle from the other end of the handle. | |
