Trans-dermal medication application cell

Details Trans-dermal medication application cell Trans-dermal medication application cell

1982-12-16

1984-07-17

Rosenbaum, C. Fred

Surgery

Controlled release therapeutic device or system

Osmotic or diffusion pumped device or system

128156, A61M 700

Patent

active

044603703

ABSTRACT:
A trans-dermal medication application cell for temporary attachment to the skin of a patient to facilitate the diffusion of medication solution from the cell's interior to the skin of a patient where it will be absorbed. A housing non-reactive with medication solutions is closed by a micro-porous diaphragm or membrane. A formed perforated medical foam sheet is secured to the housing and, in use, to the skin of a patient by a medical adhesive. A release sheet and vapor barrier secured to the foam sheet block exterior access to the micro-porous membrane and adhesive coated foam sheet prior to application to the patient's skin. A self locking and sealing plug closes the filling aperture in the housing in the principal invention embodiment.

REFERENCES:
patent: 3367332 (1968-02-01), Groves
patent: 3550589 (1970-12-01), Wallerstein
patent: 3742951 (1973-07-01), Zaffaroni
patent: 3972995 (1976-08-01), Tsuk et al.
patent: 3996934 (1976-12-01), Zaffaroni
patent: 4055672 (1977-10-01), Hirsch et al.
patent: 4117842 (1978-10-01), Hutchins
patent: 4297995 (1981-11-01), Golub
patent: 4309996 (1982-01-01), Theeuwes
patent: 4379454 (1983-04-01), Campbell et al.

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