Ceramic pivot bearing arrangement for a sealless blood pump

Details Ceramic pivot bearing arrangement for a sealless blood pump Ceramic pivot bearing arrangement for a sealless blood pump

1995-05-02

1998-02-03

Freay, Charles G.

Pumps

Motor driven

Electric or magnetic motor

4174242, 41742315, 41742314, F04B 3504

Patent

active

057137307

ABSTRACT:
A centrifugal blood pump, used for heart-lung machines or the like, having at least one impeller, a casing having an inlet and an outlet, the casing formed to have a space for rotatably housing the at least one impeller and a magnetic drive disposed outside the casing. The impeller may have vanes attached thereto for forcing fluid through the casing. Further the vanes may have magnets imbedded therein. The magnetic drive and the imbedded magnets cooperate to rotate the impeller. The impeller may have pivots integrated at opposing ends for allowing the impeller to rotate about a horizontal axis. The pivots may be supported by pivot bearings disposed within the casing. The pivots and the pivot bearings may be made of a ceramic material.

REFERENCES:
patent: 4507048 (1985-03-01), Belenger et al.
patent: 4688998 (1987-08-01), Olsen et al.
patent: 4984972 (1991-01-01), Clansen et al.
patent: 4994078 (1991-02-01), Jarvik
patent: 5092879 (1992-03-01), Jarvik
patent: 5601418 (1997-02-01), Ohara et al.

Affiliated with

Also associated with

Rating

Ceramic pivot bearing arrangement for a sealless blood pump does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Ceramic pivot bearing arrangement for a sealless blood pump, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ceramic pivot bearing arrangement for a sealless blood pump will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-657075