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. 11, 1989
Filed:
Jun. 13, 1988
Applicant:
Inventors:
Richard B MacAnally, Boulder, CO (US);
Charles D Cawood, Houston, TX (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
128-6 ; 350174 ; 350352 ;
Abstract
An endoscope which is provided at its distal end with two fixed field lens assemblies, one facing generally forwardly and the other laterally, the endoscope also being provided with an adjustable control allowing the practioner to switch at will between the illuminated surgical or diagnostic site as viewed by one field lens or the other without removing the endoscope from the patient.