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:
Jun. 12, 2018
Filed:
Sep. 16, 2015
Applicant:
The Johns Hopkins University, Baltimore, MD (US);
Inventors:
George L. Coles, Jr., Baltimore, MD (US);
Sybil Klaus, Baltimore, MD (US);
Eric Jackson, Baltimore, MD (US);
Philippe M. Burlina, North Bethesda, MD (US);
Richard S. Potember, Ellicott City, MD (US);
Wayne I. Sternberger, Highland, MD (US);
John H. Benson, Ellicott City, MD (US);
Benjamin Elder, Perry Hall, MD (US);
Assignee:
The Johns Hopkins University, Baltimore, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M 27/00 (2006.01);
U.S. Cl.
CPC ...
A61M 27/006 (2013.01);
Abstract
A ventriculoperitoneal shunt includes a proximal catheter, a distal catheter, a shunt valve operably coupling the proximal catheter to the distal catheter, and a contrast container containing contrast material configured to change acoustic impedance proportionally to a change in pressure applied to the contrast container.