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:
Aug. 30, 2011
Filed:
Jul. 22, 2009
Applicants:
Michael Sauer, Tuttlingen, DE;
Elmar Teichtmann, Eppingen, DE;
Inventors:
Michael Sauer, Tuttlingen, DE;
Elmar Teichtmann, Eppingen, DE;
Assignee:
Karl Storz GmbH & Co. KG, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 5/178 (2006.01);
U.S. Cl.
CPC ...
Abstract
A medical instrument has a cannula, a seal disposed in said cannula, said seal has an opening for guiding a shaft of another instrument through said seal in a sealed manner. An expansion device serves for expanding said opening in said seal. Said expansion device has an expansion cone comprising a plurality of slats mounted pivotably on an annular body at a first end, a second end of said slots opposite to said first end being connected to said seal in an area of said opening. A flexible casing structure is provided accommodating said seal and said expansion device.