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. 22, 2017
Filed:
Apr. 03, 2013
Applicants:
Steven Williams, St. Paul, MN (US);
Brandon Lee Michal, White Bear Lake, MN (US);
Nathanial Tran, Lakeville, MN (US);
Inventors:
Steven Williams, St. Paul, MN (US);
Brandon Lee Michal, White Bear Lake, MN (US);
Nathanial Tran, Lakeville, MN (US);
Assignee:
Other;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61M 5/158 (2006.01); A61M 5/32 (2006.01); A61B 17/34 (2006.01);
U.S. Cl.
CPC ...
A61M 5/3297 (2013.01); A61B 17/3421 (2013.01); A61B 17/3474 (2013.01); A61M 5/329 (2013.01);
Abstract
A trocar assembly wherein a trocar with an elongated polygonal tube can receive either an obturator or a medical instrument of a dissimilar cross-sectional shape with the medical instrument of the different cross sectional shape maintable in a central condition therein to inhibit pressure losses to lateral flow to thereby permit use of a cannula having a smaller cross sectional area than a cylindrical cannula as well as inhibit trauma to an entry site around the cannula.