Patent · US Expired

Automatic ultrafiltration control system

US4381999A · kind A · utility

147Cited by
6References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 28, 1981
Grant dateMay 3, 1983
Priority date
Expiry dateApr 28, 2001

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61M2205/3331
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A system for supplying fluid for a fluid flow transfer device and achieving target ultrafiltration fluid losses by automatically, periodically monitoring the ultrafiltration rate and transmembrane pressure, computing the transmembrane pressure necessary to achieve the target fluid loss by the end of a session, and adjusting the transmembrane pressure to the computed value.

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