Laser surgical apparatus
Patent 4478217 Issued on October 23, 1984. Estimated Expiration Date: 
March 15, 2002. 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 15, 2002. 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 Re28213 2284040 2714890 2754505 3035133 InventorsAssigneeApplicationNo. 06/358213 filed on 03/15/1982US Classes:606/13, Applicators116/205, By touch606/10SystemsExaminersPrimary: Yasko, John D.Attorney, Agent or FirmInternational ClassA61B 18/20 (20060101)Foreign Application Priority Data1981-03-16 JPAbstractIn a laser surgical apparatus having a laser oscillator operable to oscillate to produce a laser beam, and an optical path connected to the laser oscillator for transmission of the laser beam, a hand piece at the fore end of the optical path is equipped with a vibrator element comprised of a piezoelectric transducer, and the vibrator element applies a vibration to the hand piece. | |
