Method and apparatus for the transdermal administration of a...

Details Method and apparatus for the transdermal administration of a... Method and apparatus for the transdermal administration of a...

2005-11-01

2005-11-01

Lucchesi, Nicholas D. (Department: 3763)

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

C604S272000

Reexamination Certificate

active

06960193

ABSTRACT:
A transdermal delivery device includes a plurality of microneedles for injecting a substance such as a pharmaceutical agent into or below the stratum corneum of the skin. The device has housing formed from a top and bottom wall to define a chamber for containing a pharmaceutical agent. An inlet port is provided in the top wall of the housing for supplying the pharmaceutical agent to the chamber and directing the agent to the microneedles. The housing can have a Luer lock type fitting for coupling with a syringe having a Luer lock collar to inject the pharmaceutical agent into the housing. The housing can be divided into a plurality of chambers by an internal wall for supplying different agents simultaneously or sequentially to a patient. The microneedles have a length of about 5–250 microns and generally about 50–100 microns.

REFERENCES:
patent: 3595231 (1971-07-01), Pistor
patent: 3964482 (1976-06-01), Gerstel et al.
patent: 5968021 (1999-10-01), Ejlersen
patent: 6219574 (2001-04-01), Cormier et al.
patent: 6623457 (2003-09-01), Rosenberg

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