Bio-shim
Patent 5876455 Issued on March 2, 1999. Estimated Expiration Date: 
July 24, 2017. 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.
July 24, 2017. 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 ReferencesSuture anchor Endosteal anchoring device for urging a ligament against a bone surface Anchoring and manipulating tissue Patent #: 5647874 InventorApplicationNo. 899713 filed on 07/24/1997US Classes:128/898, Methods606/72, Orthopedic fastener623/23.63Including natural bone tissueExaminersPrimary: Isabella, David J.Attorney, Agent or FirmInternational ClassesA61F 002/28A61B 017/56 AbstractA graft fixation device such as for use in holes drilled into the intercondylar notch of the femur for a bone-patella tendon-bone constructs, for immediate and secure fixation of both ends of a graft. The device comprises a wedge shaped shim constructed of a hard (preferably metal) biologically inert material, which is wedged in between the graft and the formed tunnel in which the graft is positioned. One side of the shim is arcuate and adapted to be from one third to one half a complete circle circumference (adapted to fit into holes of varying circumferences). The shim is either wedge shaped or formed with central aperture for insertion of an expander such as a screw, to snug up and securely wedge an adjacent graft within a bone hole. The shim does not entail bone damage such as occurs with screw fixation devices, and can be adjusted to the correct and secure holding pressure. The shim is also removable and/or replaceable for different sizes as required. | |
