Apparatus for controlling the release of a drug

Details Apparatus for controlling the release of a drug Apparatus for controlling the release of a drug

1975-02-19

1976-03-30

Medbery, Aldrich F.

Surgery

Respiratory method or device

Ozone or ion generation

128 1R, 128268, 128272, A61M 500, A61M 700, A61M 3100

Patent

active

039467341

ABSTRACT:
The subject invention is directed to an apparatus which selectively contr the rate with which a drug contained therein is released to surrounding tissue. Moreover, the subject invention is directed to process for controlling said release which comprises sealing the end of a suitable vessel with a non-porous material, inserting into said vessel a suitable medicament, and sealing the opposite end thereof with a porous neutral hydrogel through which naturally occuring materials can diffuse and further through which said medicament may diffuse.

REFERENCES:
patent: 3765414 (1973-10-01), Arlen
patent: 3805784 (1974-04-01), Alter
patent: 3845770 (1974-11-01), Theeuwes
patent: 3865108 (1975-02-01), Hartop
patent: 3875300 (1975-04-01), Homm

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