Method of making a housing for drug delivery
First Claim
Patent Images
1. A method of making an integral reservoir housing for an iontophoretic drug delivery device comprising the steps of:
- providing a sheet of material containing at least one region of conductive material and at least one region of non-conductive material;
said conductive and non-conductive regions forming at least one interface where said conductive and non-conductive material meet, and the sheet of material including a planar surface portion that includes a conductive surface portion and a nonconductive surface portion;
forming a reservoir blank out of said sheet of material, said reservoir blank having at least one conductive region and at least one non-conductive region;
forming a first cavity in said reservoir blank, said first cavity at least partially formed out of a conductive region of said reservoir blank;
forming a second cavity in the sheet of material; and
wherein said first cavity and said second cavity are separated by at least one region of non-conductive material.
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Abstract
An electrotransport reservoir housing which contains, integrally formed therein, at least one region of conductive material which allows for a liquid and moisture tight barrier, while at the same time providing a means for conducting an electric current therethrough.
31 Citations
13 Claims
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1. A method of making an integral reservoir housing for an iontophoretic drug delivery device comprising the steps of:
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providing a sheet of material containing at least one region of conductive material and at least one region of non-conductive material;
said conductive and non-conductive regions forming at least one interface where said conductive and non-conductive material meet, and the sheet of material including a planar surface portion that includes a conductive surface portion and a nonconductive surface portion;forming a reservoir blank out of said sheet of material, said reservoir blank having at least one conductive region and at least one non-conductive region; forming a first cavity in said reservoir blank, said first cavity at least partially formed out of a conductive region of said reservoir blank; forming a second cavity in the sheet of material; and wherein said first cavity and said second cavity are separated by at least one region of non-conductive material. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method of making an integral reservoir housing for an iontophoretic drug delivery device comprising the steps of:
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providing a sheet of material comprising one region of non-conductive material having a first side and a second side, said sheet of material further comprising a first and a second region of conductive material, said first conductive region disposed in contact with said first side of said non-conductive material and said second conductive region disposed in contact with said second side of said non-conductive material;
said conductive and non-conductive regions forming at least one interface where said conductive and non-conductive material meet, and the sheet of material including a planar surface portion that includes a conductive surface portion and a nonconductive surface portion;forming a reservoir blank out of said sheet of material, said reservoir blank having at least one conductive region and at least one non-conductive region; forming a first cavity in said reservoir blank, said first cavity at least partially formed out of a conductive region of said reservoir blank; forming a second cavity in said reservoir blank; and wherein all conductive regions are separated from each other by non-conductive regions.
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8. A method of making an integral reservoir housing for an iontophoretic drug delivery device comprising the steps of:
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providing a sheet of material comprising a first and a second separate region of conductive material, each having a first end and a second end, said conductive regions separated by a first region of non-conductive material disposed so as to be in contact with the second end of each of said regions of conductive material, said sheet of material further comprising a second and a third region of non-conductive material, wherein said second non-conductive region is disposed at the first end of said first region of conductive material and said third region of non-conductive material is disposed at said first end of said second region of conductive material;
said conductive and non-conductive regions forming at least one interface where said conductive and non-conductive material meet, and the sheet of material including a planar surface portion that includes a conductive surface portion and a nonconductive surface portion;forming a reservoir blank out of said sheet of material, said reservoir blank having at least one conductive region and at least one non-conductive region; forming a first cavity in said reservoir blank, said first cavity at least partially formed out of a conductive region of said reservoir blank; forming a second cavity in said reservoir blank; and wherein all conductive regions are separated from each other by non-conductive regions.
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9. A method of making an integral reservoir housing for an iontophoretic drug delivery device comprising the steps of:
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providing a sheet of material comprising one region of non-conductive material having a first side and a second side, said sheet of material further comprising a first and a second region of partially conductive material, said partially conductive material comprised of at least one region of conductive material and one region of non-conductive material, said first partially conductive region disposed at said first side of said non-conductive material and said second partially conductive region disposed at said second side of said non-conductive material, and the sheet of material including a planar surface portion that includes a conductive surface portion and a nonconductive surface portion; forming a reservoir blank out of said sheet of material, said reservoir blank having at least one conductive region and at least one non-conductive region; forming a first cavity in said reservoir blank, said first cavity at least partially formed out of a conductive region of said reservoir blank; forming a second cavity in said reservoir blank; and wherein all conductive regions are separated from each other by non-conductive regions.
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10. A method of making an integral reservoir housing for an iontophoretic drug delivery device comprising the steps of:
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providing a sheet of material comprising one region of non-conductive material having a first side and a second side, said sheet of material further comprising a first and a second region of partially conductive material, said partially conductive material comprised of at least one region of conductive material and one region of non-conductive material, said first partially conductive region disposed at said first side of said non-conductive material and said second partially conductive region disposed at said second side of said non-conductive material, and the sheet of material including a planar surface portion that includes a conductive surface portion and a nonconductive surface portion; forming a reservoir blank out of said sheet of material, said reservoir blank having at least one conductive region and at least one non-conductive region; forming a first cavity in said reservoir blank, said first cavity being completely formed out of a conductive region of said reservoir blank; forming a second cavity in said reservoir blank; and wherein all conductive regions are separated from each other by non-conductive regions.
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11. A method of making an integral reservoir housing for an iontophoretic drug delivery device comprising the steps of:
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providing a sheet of material containing at least one region of conductive material and at least one region of non-conductive material;
said conductive and non-conductive regions forming at least one interface where said conductive and non-conductive material meet to result in a joint between a conductive surface portion and a nonconductive surface portion, said interface not on the same plane as said conductive surface portion or said nonconductive surface portion;forming a reservoir blank out of said sheet of material, said reservoir blank having at least one conductive region and at least one non-conductive region; forming a first cavity in said reservoir blank, said first cavity at least partially formed out of a portion of one of said conductive regions of said reservoir blank; forming a second cavity in said reservoir blank; and wherein all conductive regions are separated from each other by non-conductive regions.
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12. A method of making an integral reservoir housing for an iontophoretic drug delivery device comprising the steps of:
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providing a sheet of material containing at least one region of conductive material and at least one region of non-conductive material;
said conductive and non-conductive regions forming at least one interface where said conductive and non-conductive material meet, and the sheet of material including a planar surface portion that includes a conductive surface portion and a nonconductive surface portion;forming a reservoir blank out of said sheet of material, said reservoir blank having at least one conductive region and at least one non-conductive region; forming a first cavity in said reservoir blank, said first cavity at least partially formed out of a conductive region of said reservoir blank;
all conductive regions being separated from each other by non-conductive regions;forming a second cavity in said reservoir blank; and wherein said interface is liquid and vapor tight.
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13. A method of making an integral reservoir housing for an iontophoretic drug delivery device comprising the steps of:
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providing a sheet of material containing at least one region of conductive material and at least one region of non-conductive material;
said conductive and non-conductive regions forming at least one interface where said conductive and non-conductive material meet, and the sheet of material including a planar surface portion that includes a conductive surface portion and a nonconductive surface portion;forming a reservoir blank out of said sheet of material, said reservoir blank having at least one conductive region and at least one non-conductive region; forming a first cavity in said reservoir blank, said first cavity at least partially formed out of a conductive region of said reservoir blank;
all conductive regions being separated from each other by non-conductive regions;forming a second cavity in said reservoir blank; and wherein said sheet of material is comprised of a polymer selected from the group consisting of polyvinyl chloride, polyethylene terephthalate glycol, polyethylene, polypropylene, polycarbonate, and acrylics.
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Specification