Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Implant or insert
Patent
1991-06-12
1992-08-11
Page, Thurman K.
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
051377276
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
Larson Jacqueline S.
Mandell Edward L.
Page Thurman K.
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