Laser-type handpiece
Patent 4849859 Issued on July 18, 1989. Estimated Expiration Date: 
April 21, 2007. 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.
April 21, 2007. 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 2783757 2859660 3096756 3880148 Technique and apparatus for intraocular and microsurgery including lighter-irrigator hypodermic tube Medical and surgical laser probe Patent #: 4592353 InventorAssigneeApplicationNo. 07/040923 filed on 04/21/1987US Classes:362/573, Dental lighting fixture359/875, With a rigid handle extending to or near a mirror pivot362/284, With actuator362/324, With actuator385/134, ACCESSORIES433/114, Hand-held tool or handpiece606/16, With optical fiber606/17, With beam shaping or redirecting (e.g., lens)606/18, Mirror607/89, Laser application607/93Light pipe applicatorExaminersPrimary: Schwadron, Martin P.Assistant: Flanigan, Allen J. Attorney, Agent or FirmInternational ClassesA61B 18/20 (20060101)A61B 18/22 (20060101) A61C 1/00 (20060101) A61N 5/06 (20060101) A61M 3/00 (20060101) A61M 3/02 (20060101) Foreign Application Priority Data1986-04-22 JPAbstractA laser-type handpiece including a reflector pivotably connected inside a head section and a control sleeve which is connected to the reflector and fitted over the external circumference of the handpiece body so that the sleeve can move back-and-forth along the axis of the handpiece body, whereby the reflector can be adjusted to any desired angle by the back-and-forth movement of the sleeve. When this handpiece is used for dental treatment, the head section of the handpiece can be smoothly inserted into and taken out from a narrow oral region and the angle of laser beam can be changed easily. | |
