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:
Feb. 06, 1979
Filed:
Jan. 17, 1977
Applicant:
Inventor:
Ludwig Bonnet, Knittlingen, DE;
Assignee:
Richarg Wolf GmbH, Knittlingen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
128311 ; 128-7 ; 128305 ;
Abstract
Endoscope instrument assembly in which a dual channel guide member, containing a telescope in one channel and a support for a slitting blade in the other channel, is displaceable from an inner barrel and replaceable by a separate elongated tube which is sized to receive the same telescope and which has at its distal end an annular cutting edge.