The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 05, 1983
Filed:
Nov. 28, 1980
Lasag AG, Thun, CH;
Abstract
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 between 10 and 60 ns and of radiated energy comprised between 30 and 300 millijoules is produced and focussed at a determined distance p inside the wall. The radiation is focussed according to a solid angle .OMEGA. determining a density of radiated energy causing ionization of the propagation medium. A shock wave is also produced due to this ionization close to the mean direction of propagation of the radiated, thereby allowing the tissue or inner wall to be perforated.