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:
Nov. 08, 2016
Filed:
Mar. 31, 2004
Mark S. Zeiner, Mason, OH (US);
Paul T. Franer, Cincinnati, OH (US);
Michael S. Cropper, Edgewood, KY (US);
Thomas A. Gilker, Cincinnati, OH (US);
Geoffrey C. Hueil, Mason, OH (US);
David K. Norvell, Monroe, OH (US);
Brian J. Thompson, Cincinnati, OH (US);
Aaron C. Voegele, Loveland, OH (US);
Mark S. Zeiner, Mason, OH (US);
Paul T. Franer, Cincinnati, OH (US);
Michael S. Cropper, Edgewood, KY (US);
Thomas A. Gilker, Cincinnati, OH (US);
Geoffrey C. Hueil, Mason, OH (US);
David K. Norvell, Monroe, OH (US);
Brian J. Thompson, Cincinnati, OH (US);
Aaron C. Voegele, Loveland, OH (US);
Ethicon Endo-Surgery, LLC, Guaynabo, PR (US);
Abstract
A trocar for performing a procedure on a patient. The trocar has a hollow cannula with a distal end and a proximal end. The trocar also has a housing with a distal end attached to the proximal end of the cannula and a proximal end having a wall attached thereto. The wall has an aperture therethrough. The trocar further includes a seal assembly disposed within the housing. The seal assembly includes a first substantially rigid ring, a second substantially rigid ring, and a plurality of layered elastomeric members compressed therebetween. The first ring has a plurality of distally extending protrusions extending from a distal surface thereof, and the second ring has a plurality of proximally extending protrusions extending from a proximal surface thereof.