Bone compression or distraction device
Patent 4187841 Issued on February 12, 1980. Estimated Expiration Date: 
July 7, 1998. 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 7, 1998. 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 1217637 1920821 2238870 2250417 2251209 3244170 3604414 3709219 3862631 3900025 InventorApplicationNo. 05/922786 filed on 07/07/1978US Classes:606/105, Bone compression or distraction606/57, Compression or distraction mechanism606/60Internal fixation meansExaminersPrimary: Frinks, Ronald L.Attorney, Agent or FirmInternational ClassesA61B 17/88 (20060101)A61B 17/66 (20060101) A61B 17/60 (20060101) AbstractA surgical tool which may be utilized either for compression or distraction of a fractured bone. The tool includes a threaded shaft having a pair of cap members secured to each end thereof. Projecting from one of the cap members is a short pin which is preferably angled either towards or away from the other cap member. An internally threaded sleeve is mounted on the shaft between the cap members and includes a knob having a knurled outer surface for permitting the sleeve to be manually adjusted in either direction along the threaded shaft. Another pin-supporting member is removably mounted about the sleeve and has another short pin projecting from one surface thereof. The two pins are positioned within pre-drilled holes on each side of a fractured bone that is to be compressed or distracted. | |
