Patent · US Expired

Closed drug delivery system

US5122116A · kind A · utility

114Cited by
14References
32Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 24, 1990
Grant dateJun 16, 1992
Priority date
Expiry dateApr 24, 2010

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61M5/152
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

An apparatus for controllably intermixing two or more components in a sterile, closed environment to produce a flowable substance and then for expelling the flowable substance from the apparatus at a precisely controlled rate. The apparatus is particularly useful for medical applications and includes a dispenser portion with its own stored energy element provided in the form of an elastomeric membrane and a coupling mechanism for coupling a drug vial to the dispenser portion for controlled mixing a medicament contained within the drug vial with a diluent stored within the dispenser portion of the apparatus via a sterile pathway.

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