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. 09, 2024
Filed:
Mar. 21, 2019
Applicant:
Abiomed Europe Gmbh, Aachen, DE;
Inventors:
Assignee:
ABIOMED, INC., Danvers, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M 60/829 (2021.01); A61M 60/13 (2021.01); A61M 60/135 (2021.01); A61M 60/148 (2021.01); A61M 60/174 (2021.01); A61M 60/205 (2021.01); A61M 60/216 (2021.01); A61M 60/242 (2021.01); A61M 60/416 (2021.01); A61M 60/422 (2021.01); A61M 60/81 (2021.01); A61M 60/818 (2021.01); A61M 60/825 (2021.01); A61M 60/857 (2021.01);
U.S. Cl.
CPC ...
A61M 60/829 (2021.01); A61M 60/13 (2021.01); A61M 60/135 (2021.01); A61M 60/148 (2021.01); A61M 60/174 (2021.01); A61M 60/205 (2021.01); A61M 60/216 (2021.01); A61M 60/242 (2021.01); A61M 60/416 (2021.01); A61M 60/422 (2021.01); A61M 60/81 (2021.01); A61M 60/818 (2021.01); A61M 60/825 (2021.01); A61M 60/857 (2021.01); A61M 2205/0211 (2013.01); A61M 2205/0222 (2013.01); A61M 2205/0233 (2013.01); A61M 2205/103 (2013.01); A61M 2205/3606 (2013.01);
Abstract
An intravascular blood pump having a rotatable shaft carrying an impeller and a housing with an opening through which the shaft extends with the impeller positioned outside the housing. The shaft and the housing have surfaces forming a circumferential gap which has a gap width of no more than 2 μm over at least part of the length of the gap and at least one of the surfaces forming the gap is made of a material having a thermal conductivity of at least 100 W/mK, in particular a ceramic material such as silicon carbide.