Drug delivery device for programmed delivery of beneficial drug
US4624847A · kind A · utility
62Cited by
5References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 22, 1985 |
| Grant date | Nov 25, 1986 |
| Priority date | — |
| Expiry date | Apr 22, 2005 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/0004
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An osmotic dispensing device is disclosed for delivering a medicine to a biological environment of use. The device comprises a semipermeable wall surrounding a compartment with an osmotic passageway in the semipermeable wall connecting the outside of the device with the compartment. The compartment houses a medicine releasable carrier by a means for increasing in size for delivering the beneficial medicine from the device over time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.