Patent · US Expired

Delivery devices and their use

US6450991B1 · kind B1 · utility

26Cited by
9References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 14, 2000
Grant dateSep 17, 2002
Priority date
Expiry dateJul 14, 2020

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61M31/002
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A device for actively releasing material(s) (e.g. intra ruminally) having a plurality of dispensing reservoirs. Each electrolytic cell is capable upon energization under the control of a microprocessor after initiation of generating a gas which will cause (e.g. through action on a piston) by displacement of the material(s) of its respective reservoir sufficient displacement of or change to closure means of that reservoir thereby to allow release of the material(s).

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