Surgical instrument for cutting tissue, in particular cartilage
Patent 4574802 Issued on March 11, 1986. Estimated Expiration Date: 
February 1, 2004. 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.
February 1, 2004. 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 ReferencesFiber-optic illuminated microsurgical scissors Patent #: 4499899 InventorsAssigneeApplicationNo. 06/575992 filed on 02/01/1984US Classes:606/180Rotary cutterExaminersPrimary: Peshock, RobertAttorney, Agent or FirmInternational ClassesA61B 17/28 (20060101)A61B 17/32 (20060101) Foreign Application Priority Data1983-02-02 DEAbstractIn a surgical instrument for cutting tissue and having a jaw part that comprises a stationary, U-shaped curette and a cutting part which is secured on a rotating rod rotatably supported in a tube carrying the curette, the rotating rod is according to the invention supported rotatably at both sides of the cutting part on the legs of the curette. As a result, it is possible to exert strong cutting forces without impairing the geometry of the cutting edges as a consequence of deformation of the rotating rod. | |
