Patent · US Expired

Medical pump device

US7614857B2 · kind B2 · utility

42Cited by
13References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 15, 2002
Grant dateNov 10, 2009
Priority date
Expiry dateMay 16, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/86871
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

The invention relates to a medical pump device comprising a rotary valve (13) having preferably only one rectilinear channel (20) which respectively connects the inlet (4) and the outlet (7) of the pump device, or connects the inlet to a pump chamber (15), or said pump chamber to the outlet, upon rotation of the rotary element (19) of the valve. The invention enables a medical pump device to be especially easily produced, said pump device being preferably inserted between an infusion syringe driver or an infusion container and a catheter, and being used to supply small quantities of liquid in an accurately dosed manner.

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