Cannulated fixation screw
Patent 4537185 Issued on August 27, 1985. Estimated Expiration Date: 
June 10, 2003. 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.
June 10, 2003. 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 2242003 2388482 2526959 2570465 3554193 Bone screw Device for producing a hole in a bone Fixation pin Compression hip screw apparatus Method and system for inserting a surgical wire InventorAssigneeApplicationNo. 06/502924 filed on 06/10/1983US Classes:606/73Threaded fastener elementExaminersPrimary: Mancene, GeneAssistant: Shedd, C. W. Attorney, Agent or FirmInternational ClassesA61B 17/86 (20060101)A61B 17/68 (20060101) F16B 25/10 (20060101) F16B 25/00 (20060101) AbstractA self-tapping, self-drilling orthopedic fixation screw includes a cannula through the shaft of the screw for placement over a guide pin mounted in a guide hole in a bone to drill and tap a hole at predetermined location in the bone. | |
