Patent · US Active

Reduced thrombosis blood pump with washout bearing

US12171994B2 · kind B2 · utility

0Cited by
113References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 10, 2020
Grant dateDec 24, 2024
Priority date
Expiry dateNov 23, 2040

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61M60/148
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A bearing assembly is configured to retain an end of an impeller of a blood pump and includes a thrust plate having a distal-facing surface and an impeller bearing surface configured to be disposed adjacent the distal-facing surface such that a gap is defined between the distal-facing surface of the thrust plate and the impeller bearing surface. The impeller bearing surface includes at least one washout blade disposed thereon and configured to facilitate blood flow through the gap.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.