Patent · US Expired

Apparatus and method for withdrawing an optimum amount of blood per unit of time from a donor

US5045057A · kind A · utility

123Cited by
13References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 30, 1989
Grant dateSep 3, 1991
Priority date
Expiry dateMay 30, 2009

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61M2205/3351
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

Apparatus for withdrawing blood from a donor by means of a blood pump. The apparatus incorporates an extracorporeal system which, on the basis of donor blood pressure measurement, controls the flow rate of the blood pump in such a way that during the withdrawal procedure the pump withdraws an optimum amount of blood per unit of time from the donor.

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