Patent · US Expired

Constant flow medication infusion pump

US6280416A · kind A · utility

283Cited by
19References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 19, 1999
Grant dateAug 28, 2001
Priority date
Expiry dateFeb 19, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S128/12
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A medication infusion pump includes a housing, a medication chamber defined within the housing, a medication delivery device in fluid communication with the medication chamber, a propellant chamber defined within the housing and adapted to apply a predetermined positive pressure to a medication in the medication chamber, and a non-ozone depleting, non-toxic propellant within the propellant chamber. The propellant preferably has a vapor pressure between about 11 psig and about 50 psig at 37.degree. C.

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