Root canal filling device including releasably reusable inserter tool
Patent 5051093 Issued on September 24, 1991. Estimated Expiration Date: 
June 5, 2009. 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 5, 2009. 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 674419 1463963 1469992 3813779 Endodontic instrument for dental root canal filling Tool and method for removing a parted endodontic file Appliance for use in applying filler material to an endodontically prepared root canal Patent #: 4894011 InventorApplicationNo. 361438 filed on 06/05/1989US Classes:433/224EndodonticExaminersPrimary: Mancene, GeneAssistant: Lynch, Michael Attorney, Agent or FirmInternational ClassA61C 005/02AbstractA root canal filler assembly including a single use obturator and a multiple use elongate inserter tool is disclosed. The oburator includes a metallic core and a plasticizable coating, preferably formed of gutta percha. One end of the metallic core extends beyond the plasticizable coating to support a connector assembly. The multiple use inserter tool is removably connectable to the oburator to insert, remove, adjust, and reposition the obturator in a root canal. The inserter tool includes at one end a connector assembly which engages the obturator and at the other end a handle to facilitate manipulation of the assembly by the dentist. The elongate inserter tool may be reused as required, both to remove or reposition a previously inserted obturator and to insert additional obturators in other root canals.A method of filling and sealing a root canal employing the disclosed root canal filler assembly is also provided.Other References
| |
