Intra-ruminal device for delivering drugs
US5162116A · kind A · utility
11Cited by
2References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 18, 1991 |
| Grant date | Nov 10, 1992 |
| Priority date | — |
| Expiry date | Nov 18, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2255/20
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An intraruminal device for controlled release of a drug formulation in the rumen of an animal, comprises an open-ended tube for containing the drug formulation, a piston adapted to travel longitudinally within the tube and biased so as to deliver the drug formulation through the open end of the tube. Travelling with the piston is an associated weight adapted to retain the device within the rumen during delivery of the drug formulation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.