Suction retraction instrument
Patent 4049000 Issued on September 20, 1977. Estimated Expiration Date: 
September 20, 1994. 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.
September 20, 1994. 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 1167062 1621212 3460255 3557456 3626471 Suction catheter Patent #: 3965901 InventorApplicationNo. 05/601058 filed on 08/01/1975US Classes:604/119, Means varying or regulating suction433/95, And control valve for suction600/205, With auxiliary channel (e.g., fluid transversing)600/210With special blade or retracting surface structureExaminersPrimary: Mancene, Louis G.Assistant: Contreras, Wenceslao J. Attorney, Agent or FirmInternational ClassA61M 1/00 (20060101)AbstractA suction retraction instrument comprises an elongated hollow suction pipe having a port at its lower end and secured to a manifold at its upper end and a retractor arm secured to the pipe adjacent the lower end and extending at an angle therefrom. | |
