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. 21, 2017
Filed:
Aug. 20, 2010
Zhengrong Zhou, Shanghai, CN;
Anna Norlin-weissenrieder, Stockholm, SE;
Stephanie M. Board, West St. Paul, MN (US);
Zhengrong Zhou, Shanghai, CN;
Anna Norlin-Weissenrieder, Stockholm, SE;
Stephanie M. Board, West St. Paul, MN (US);
ST. JUDE MEDICAL PUERTO RICO LLC, Caguas, PR (US);
Abstract
A tissue puncture closure device includes a carrier tube and a sealing plug. The carrier tube includes a distal end configured for insertion into the tissue puncture. The sealing plug is positioned in the carrier tube and arranged for ejection from the distal end of the carrier tube into the tissue puncture. The sealing plug includes a first collagen portion having a first cross-linked chemical structure, and a second collagen portion positioned proximal of the first collagen portion in the carrier tube. The second collagen portion has a second cross-linked chemical structure that is different from the first cross-linked chemical structure.