Cutting physiologic tissues
Patent 5232366 Issued on August 3, 1993. Estimated Expiration Date: 
March 13, 2012. 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.
March 13, 2012. 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 3769963 Laser knife device Dual-wavelength laser scalpel background of the invention Method for laser surgery Multiwavelength medical laser method Patent #: 5139494 InventorAssigneeApplicationNo. 851197 filed on 03/13/1992US Classes:433/215, METHOD OR MATERIAL FOR TESTING, TREATING, RESTORING, OR REMOVING NATURAL TEETH606/3With particular wavelengthExaminersPrimary: O'Connor, Cary E.Attorney, Agent or FirmInternational ClassA61C 005/00Foreign Application Priority Data1988-12-21 FRAbstractA method of cutting physiologic tissue in the mouth of a patient, comprising: providing a tunable laser which is tunable to produce laser radiation at any one of at least two different wavelengths, including a first wavelength which is effective for cutting physiologic tissue of a first type and a second wavelength for cutting physiologic tissue of a second type; tuning the laser to produce radiation at one first and second wavelengths; emitting the radiation being produced by the laser and directing the emitted radiation at physiologic tissue of the type corresponding to the radiation wavelength which the laser is tuned to produce; and at least when the laser is tuned to produce radiation at a selected wavelength, directing a cooling liquid at the physiologic tissue at which the emitted radiation is being directed simultaneously with performance of the directing step. | |
