Laser device and method

Details Laser device and method Laser device and method

1985-02-21

1986-07-22

Coven, Edward M.

Surgery

Truss

Pad

A61B 1736

Patent

active

046012885

ABSTRACT:
A simplified, relatively inexpensive laser device, wherein the laser elements are fixed in a body exoskeleton of electrical insulating material having a low coefficient of thermal expansion. The preferred embodiment includes a shotgun type laser filter having parallel bores which receive the laser flashlamp and laser rod in fixed relation in a body chamber. The reflector surrounds the laser filter and retains the filter within the body chamber. In the preferred method of this invention, several controlled lasing pulses are generated with each illumination pulse of the flashlamp, substantially increasing the efficiency of the laser device. The number of pulses is generally controlled by increasing the voltage to the flashlamp. The rapid multiple lasing pulses generate an elongated plasma in a fluid medium, such as the vitreous fluid body of an eye which makes the laser device extremely efficient for treating glaucoma and other medical treatments.

REFERENCES:
patent: 3783874 (1974-01-01), Koester et al.
patent: 3884236 (1975-05-01), Krasnou
patent: 3982541 (1976-09-01), L'Esperance
patent: 4122853 (1978-10-01), Smith
patent: 4309998 (1982-01-01), Aron nee Rosa et al.
patent: 4397310 (1983-08-01), Pomerantzeff
patent: 4409979 (1983-10-01), Roussel et al.
patent: 4517980 (1985-05-01), Tagnon
patent: 4520816 (1985-06-01), Schacher et al.

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