Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Implant or insert
Patent
1994-08-11
1997-09-02
Bawa, Raj
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Implant or insert
424423, 424426, 424473, 424484, A61K 920, A61M 3100
Patent
active
RE0356018
ABSTRACT:
The present invention is directed to an improved fluid-imbibing dispensing device for delivering a beneficial agent to a biological environment of use, the dispensing device being of the type having a housing which includes a fluid-impermeable first wall section with an open end and a fluid-permeable second wall section with an open end, an internal compartment formed by the first and second wall sections, exit means in the housing, a beneficial agent in that portion of the compartment formed by the first wall section, expandable driving means in that portion of the compartment formed by the second wall section, and a partition layer between the beneficial agent and the expandable driving means; wherein the improvement comprises the first wall section being comprised of an extremely fluid-impermeable material and the open end of each of the first wall section and the second wall section having reciprocally tapered edges one with the other to form a tapered lap joint for mating engagement, the tapered lap joints being bonded together with a pressure-sensitive contact adhesive to form the housing.
REFERENCES:
patent: 3845770 (1974-11-01), Theeuwes et al.
patent: 3865108 (1975-02-01), Hartop
patent: 3916899 (1975-11-01), Theeuwes et al.
patent: 3995632 (1976-12-01), Nakano et al.
patent: 4002173 (1977-01-01), Manning et al.
patent: 4063064 (1977-12-01), Saunders et al.
patent: 4088864 (1978-05-01), Theeuwes et al.
patent: 4111202 (1978-09-01), Theeuwes
patent: 4111203 (1978-09-01), Theeuwes
patent: 4200098 (1980-04-01), Ayer et al.
patent: 4203439 (1980-05-01), Theeuwes
patent: 4207893 (1980-06-01), Michaels
patent: 4285987 (1981-08-01), Ayer et al.
patent: 4327725 (1982-05-01), Cortese et al.
patent: 4526938 (1985-07-01), Churchill et al.
patent: 4612008 (1986-09-01), Wong et al.
patent: 4772474 (1988-09-01), Eckenhoff
patent: 4874388 (1989-10-01), Wong et al.
patent: 5034229 (1991-07-01), Magruder
patent: 5057318 (1991-10-01), Magruder
patent: 5059423 (1991-10-01), Magruder
Nucleic Acid Res., 10:7197 (1982).
Arch. Biochem. Biophys., 156:493 (1973).
DNA 2:37 (1983).
ALZA Corporation
Bawa Raj
Dillahunty Mary Ann
Stone Steven F.
LandOfFree
Delivery device providing beneficial agent stability does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Delivery device providing beneficial agent stability, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Delivery device providing beneficial agent stability will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-298405