Device for controlled release of vaporous medications through nasal route
OwnerFariba Fischel-Ghodsianinventor
Life of this patent
Estimating the term…
Abstract
A controlled release device useful for the release of vapors or liquids to the surrounding of the user is described. The device is a multilayered laminate consisting of a reservoir layer which incorporates an active compound, such as a nasally delivered therapeutic medication or insect repellant, an impermeable membrane layer adjacent the reservoir layer and a diffusion rate limiting membrane layer adjacent the reservoir layer. The device preferably includes an adhesive layer for adhering the device to skin or a surface and an ornamental decorative layer.
Claims8
A device useful for the controlled release of therapeutic agents to the nasal cavity and respiratory airway of patients, said device forming a laminate comprising:
- a diffusion rate limiting membrane layer comprising a polymer selected from the group consisting of nonporous polymeric membranes and microporous polymeric membranes having a pore size of form about 0.02 microns to about 0.6 microns;
- a reservoir layer adjacent said diffusion rate limiting membrane layer, said reservoir layer comprising one or more therapeutic agents incorporated in a polymer, said therapeutic agent selected from the group of vapor emitting compounds or aerosols consisting of antihistamines, bronchodilators, decongestants, mucolytics, anti-tussives, anti-inflammatory steroids, anti-virals, peptides and hormones;
- a vapor and liquid impermeable backing layer adjacent said reservoir layer;
- and
- a pressure sensitive contact adhesive layer adjacent said vapor and liquid impermeable backing layer, said adhesive layer comprising a biocompatible, hypoallergenic pressure sensitive adhesive.
Dependencies are inferred from the claim text.