Title: Drug delivery device

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Claims: I claim:

1. A drug delivery device for percutaneously administering a drug comprising,

a. a plurality of puncturing projections, formed of a drug release rate controlling material permeable to passage of a drug by diffusion, and

b. a reservoir communicating with said projections containing the drug and whereby drug from the reservoir enters the projections and by diffusion through the projections is percutaneously administered through the stratum corneum of the epidermis.

Other info:

Inventors: Gerstel, Martin S. (Palo Alto, CA, US)
Place, Virgil A. (Palo Alto, CA, US)

Application Number: 144061
Filing Date: 1971-05-17
Publication_date: 1976-06-22
Assignee: Alza Corporation (Palo Alto, CA)
Primary Class(es): 604/890.1 424/449, 424/483
Other Classes:
US Patent Ref:

946837	Jan, 1910	Common	128/260.
1485126	Feb, 1924	Schumacher	128/260.
1699012	Jan, 1929	Naylor	128/333.
2196379	Apr, 1940	Bender	128/260.
2670489	Mar, 1954	Cross	128/260.
3053255	Nov, 1962	Meyer	128/268.
3466131	Sep, 1969	Arcudi	128/260.
3598122	Oct, 1971	Zaffaroni	128/268.
R25637	Sep, 1964	Kravitz et al.	128/253.

Other Refs: 1,133,709

Apr, 1957	FR

Primary Examiner: Medbery, Aldrich F.
Assistant Examiner:
Attorney: Ciotti; Thomas E., Sabatine; Paul L., Mandell; Edward L.