1
Franz Fankhauser, Eugen van der Zypen, Philippe Roussel: Method for the surgical treatment of the eye. Lasag, Berger & Palmer, July 5, 1983: US04391275 (113 worldwide citation)

The invention relates to a method for the surgical treatment of the eye by perforation, by laser radiation, of a tissue or inner wall of the eyeball having a resistance to the free circulation of the aqueous humour. A laser radiation burst comprising at least one pulse of duration d comprised betwee ...


2
Richerzhagen Bernold, Leiglon Eric, Tasev Emile, Delacretaz Guy: Device for ablation of material, particularly used in dentistry.. Lasag, December 2, 1992: EP0515983-A1 (94 worldwide citation)

Device for ablation of material, particularly a handpiece (1) used in dentistry, comprising optical means (6, 16, 22, 32) for the propagation and guiding upto a working surface of a coherent light beam (10), as well as channelling means (24, 30) for conveying a pressurised fluid to the working head ...


3
Fritz Muller: Method of cutting an aperture in a device by means of a laser beam. Lasag, Pollock Vande Sande & Priddy, September 6, 1994: US05345057 (53 worldwide citation)

The invention relates to a method of cutting an aperture in a device (1) by means of a laser beam (9), said device comprising a wall (2) having first (5) and second (6) opposing surfaces, and a third surface (7) separated from said wall (2) along the path (11) of said laser beam (9), said method com ...


4
Philippe Roussel, Franz Fankhauser, Eugen van der Zypen: Device for observing and treating the eye using a laser. Lasag, Berger & Palmer, October 18, 1983: US04409979 (47 worldwide citation)

A device for observing the eye in order to treat the same comprising optical elements producing optical illumination beams which issue from a light source. The beams consist of parallel rays whose axes are eccentric and parallel to the axis of the focussing lens and traverse the lens. Observation be ...


5
Bernard C Einstein, Peter Spring: Method of and apparatus for machining large numbers of holes of precisely controlled size by coherent radiation. Lasag, Wegner Stellman McCord Wiles & Wood, December 26, 1978: US04131782 (46 worldwide citation)

A method of and apparatus for machining an object wherein a source of coherent radiation is pulse modulated in accordance with the desired machining and the radiation is directed to a deflecting device and deflected to the object which is moving at a controlled speed. Movement of the deflecting devi ...


6
Martin Von Allmen, Hans Peter Schwob: Method for ablating metal workpieces with laser radiation. Lasag, Wegner Stellman McCord Wiles & Wood, September 12, 1978: US04114018 (43 worldwide citation)

A technique for ablating a metal workpiece by the use of laser beam radiation at an efficiency higher than heretofore possible and an improved regulation of the ablation process. Undesired side effects of the ablation process are eliminated by the entire and complete ejection of the molten metal at ...


7
Ulrich Durr, Taoufik Nouri, Jurg Steinger: Apparatus for the surgical treatment of a point situated in an eye. Lasag, Griffin Branigan & Butler, June 16, 1992: US05122135 (37 worldwide citation)

An apparatus having a first generator designed to produce a first beam of coherent light, the energy of which is concentrated in a succession of impulses each capable causing a microexplosion in organic tissue at the point to be treated, a second generator designed to produce a second beam of cohere ...


8
Taoufik Nouri: Envelope generator for a power beam. Lasag, Griffin Branigan & Butler, May 7, 1991: US05013311 (31 worldwide citation)

The arrangement of this invention concerns a surgical apparatus, in particular for ophthalmological use. In addition to a power beam it includes a beam of coherent visible light (29) which is transformed into at least one elementary beam (30) by means of a homogeneous light guide (21). The guide, wh ...


9
Jurg Steffen: Process of deburring a mechanical piece. Lasag, Sherman & Shalloway, September 25, 1984: US04473735 (30 worldwide citation)

The invention relates to a process and device for deburring mechanical pieces by laser radiation. The device makes it possible to generate a laser beam of determined power Pa. The laser beam is focused in a focusing spot of a diameter 2.omega.o on the edges of the mechanical piece to be deburred. Th ...


10
Philippe Roussel: Optical head of an installation for observation and treatment of the eye by laser radiation. Lasag, Peter L Berger, February 19, 1985: US04499897 (26 worldwide citation)

The optical head of an installation for observation and treatment by a laser beam of an eye comprises a mirror disposed between an observing microscope and a focusing lens for reflecting towards the latter a treatment and a marking laser radiation beam forming a visible envelope of the treatment bea ...