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:
Oct. 11, 1983
Filed:
Jan. 14, 1981
Applicant:
Inventor:
Tohru Nakajima, Tokyo, JP;
Assignee:
Asahi Kogaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
1283031 ; 128395 ; 2191 / ;
Abstract
A laser knife with which a laser beam having at least two different wavelengths to thereby eliminate undesirable effects on body tissue, blood and body fluids. First and second laser sources provide first and second operating light beams of different wavelengths. The first and second operating light beams are focused along the same optical axis with the focus points being independently controllable. An illuminating or guide light beam is also provided along the same optical axis which also can be independently focused.