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. 11, 2003
Filed:
Jun. 30, 2000
Applicant:
Inventors:
Dachuan Yang, Plymouth, MN (US);
Lixiao Wang, Maple Grove, MN (US);
Assignee:
SciMed Life Systems, Inc., Maple Grove, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 2/06 ;
U.S. Cl.
CPC ...
A61F 2/06 ;
Abstract
A multilayer device comprised of at least one layer of material which is capable of absorbing liquid to thereby increase the volume of the layer, i.e., liquid swellable, and when bound to at least one non-absorbing or lesser absorbing layer of material causes deformation of the device upon liquid absorption.