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:
Apr. 04, 1989
Filed:
Nov. 24, 1987
Applicant:
Inventor:
Richard K Wampler, Gold River, CA (US);
Assignee:
Nimbus Medical, Inc., Rancho Cordova, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
600 16 ; 604151 ; 604264 ; 415D / ; 415212 ;
Abstract
The outside diameter of an intravascular axial flow blood pump is reduced without reducing the size of its journal bearings by causing the pumped blood stream to exit through apertures in the cylindrical outside wall of the pump housing between the rotor blades and the rotor journal. This allows the journal to have a diameter of the housing, without the need for a space-consuming blood flow path around the journal.
Published as:
US4817586A; WO8904645A1; AU2610888A; EP0397668A1; EP0397668A4; AU611972B2; CA1303937C; EP0397668B1; DE3888209D1; DE3888209T2;