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US Patent 4616633 - Retractor for use in oral and maxillofacial surgery
US Patent Issued on October 14, 1986
Estimated Patent Expiration Date:
March 7, 2005Estimated 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.
Estimated Patent Expiration Date:
March 7, 2005Estimated 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.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. | 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 FirmUS Patent References3701348, 3853120International ClassA61B 17/02 (20060101) |
