Surgical retractor
Patent 4122844 Issued on October 31, 1978. Estimated Expiration Date: 
March 7, 1997. 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, 1997. 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 1067572 1397090 2670731 2693795 InventorApplicationNo. 05/775138 filed on 03/07/1977US Classes:600/213, Detachable from handle600/214, Plural blades on single handle600/215, Adjustable (e.g., extendable)600/226With special handleExaminersPrimary: Michell, Robert W.Assistant: Layton, Henry S. Attorney, Agent or FirmInternational ClassA61B 17/02 (20060101)AbstractA surgical retractor of the invention comprises a shaft, an arm connected to one end of the shaft and a blade connected to the arm. The shaft and the arm lie in the same plane. The blade has a portion extending perpendicularly to the aforementioned plane. The axis of a portion of the shaft including the other end thereof is perpendicular to and laterally offset from the aforementioned portion of the blade. The last mentioned end of the shaft is substantially spaced from the plane of the aforementioned blade portion. | |
