Electrotransport device having an integrally molded reservoir housing
First Claim
Patent Images
1. A reservoir housing for an iontophoretic drug delivery device comprising:
- a cavity and an interior and exterior surface;
said reservoir housing partially formed of a non-conductive material;
a conductive element which is disposed within a portion of said reservoir housing;
an interface between said conductive element and said reservoir housing; and
wherein said conductive element further comprises an inner and an outer surface and is electrically accessible from both the interior and exterior surfaces of said reservoir housing.
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Accused Products
Abstract
This invention relates to an electrotransport device, which incorporates a conductive element within the reservoir housing of the device, which permits electrical communication from within the housing to outside of the housing without the use of opening, which require various methods of sealing the openings against leaks and moisture.
51 Citations
17 Claims
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1. A reservoir housing for an iontophoretic drug delivery device comprising:
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a cavity and an interior and exterior surface;
said reservoir housing partially formed of a non-conductive material;
a conductive element which is disposed within a portion of said reservoir housing;
an interface between said conductive element and said reservoir housing; and
wherein said conductive element further comprises an inner and an outer surface and is electrically accessible from both the interior and exterior surfaces of said reservoir housing.
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2. A reservoir housing for an iontophoretic drug delivery device comprising:
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a cavity and an interior and exterior surface;
said reservoir housing partially formed of a non-conductive material;
a conductive element which is disposed within a portion of said reservoir housing;
an interface between said conductive element and said reservoir housing;
said interface forming a hermetic seal between said conductive element and said reservoir housing; and
wherein said conductive element further comprises an inner and an outer surface and is electrically accessible from both the interior and exterior surfaces of said reservoir housing.
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3. A reservoir housing for an iontophoretic drug delivery device comprising:
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a cavity and an interior and exterior surface;
said reservoir housing partially formed of a non-conductive material;
a conductive element which is disposed within a portion of said reservoir housing;
said conductive element further comprising an inner and an outer surface and is electrically accessible from both the interior and exterior surfaces of said reservoir housing;
an interface between said conductive element and said reservoir housing; and
an electrode disposed within said cavity, said electrode in electrical communication with the inner surface of said conductive element.
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4. A reservoir housing for an iontophoretic drug delivery device comprising:
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a cavity and an interior and exterior surface;
said reservoir housing partially formed of a non-conductive material;
a conductive element which is disposed within a portion of said reservoir housing;
an interface between said conductive element and said reservoir housing;
said conductive element further comprising inner and an outer surface and is electrically accessible from both the interior and exterior surfaces of said reservoir housing; and
wherein said outer surface of said conductive element extends outwards and extends over the outer surface of said reservoir housing.
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5. A reservoir housing for an iontophoretic drug delivery device comprising:
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a cavity and an interior and exterior surface;
said reservoir housing partially formed of a non-conductive material;
a conductive element which is disposed within a portion of said reservoir housing;
an interface between said conductive element and said reservoir housing;
said conductive element further comprising an inner and an outer surface and is electrically accessible from both the interior and exterior surfaces of said reservoir housing; and
wherein said conductive element further comprises a central cavity and an outwardly extending lip wherein said conductive element is adapted to be compressed and insertable through a correspondingly sized opening in an electrical component so that said electrical component can be inserted onto said compressed conductive element and releasably attached to said reservoir housing.
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6. A reservoir housing for an iontophoretic drug delivery device comprising:
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a cavity and an interior and exterior surface;
said reservoir housing partially formed of a non-conductive material;
a conductive element which is disposed within a portion of said reservoir housing;
an interface between said conductive element and said reservoir housing;
said conductive element further comprising an inner and an outer surface and is electrically accessible from both the interior and exterior surfaces of said reservoir housing; and
wherein the outer surface of said conductive element is coplanar with at least a portion of the outer surface of said reservoir housing.
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7. A reservoir housing for an iontophoretic drug delivery device comprising:
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a cavity and an interior and exterior surface;
said reservoir housing partially formed of a non-conductive material;
a conductive element which is disposed within a portion of said reservoir housing;
an interface between said conductive element and said reservoir housing;
said conductive element further comprising an inner and an outer surface and is electrically accessible from both the interior and exterior surfaces of said reservoir housing;
a pin; and
wherein said outer surface of said conductive insert is adapted to fixedly receive said pin and said pin is adapted to attach an electrical component to the outer surface of said conductive insert when said pin is received within said outer surface of said reservoir housing.
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8. A reservoir housing for an iontophoretic drug delivery device comprising:
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a cavity and an interior and exterior surface;
said reservoir housing partially formed of a non-conductive material;
a conductive element which is disposed within a portion of said reservoir housing, an interface between said conductive element and said reservoir housing;
said conductive element further comprising an inner and an outer surface and is electrically accessible from both the interior and exterior surfaces of said reservoir housing;
said conductive element further comprising a central cavity and an outwardly extending lip wherein said conductive element is adapted to be compressed and insertable through a correspondingly sized opening in an electrical component so that said electrical component can be inserted onto said compressed conductive element and releasably attached to said reservoir housing; and
wherein said conductive element is adapted to establish electrical communication with an electrical component when said electrical component is attached to said conductive element.
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9. A reservoir housing for an iontophoretic drug delivery device comprising:
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a cavity and an interior and exterior surface;
said reservoir housing partially formed of a non-conductive material;
a conductive element which is disposed within a portion of said reservoir housing, an interface between said conductive element and said reservoir housing;
said conductive element further comprising an inner and an outer surface and is electrically accessible from both the interior and exterior surfaces of said reservoir housing;
a pin;
said outer surface of said conductive insert is adapted to fixedly receive said pin and said pin is adapted to attach an electrical component to the outer surface of said conductive insert when said pin is received within said outer surface of said reservoir housing; and
wherein said conductive insert is adapted to establish electrical communication with an electrical component when said electrical component is attached to said conductive element.
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10. A reservoir housing for an iontophoretic drug delivery device comprising:
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a cavity and an interior and exterior surface;
said reservoir housing partially formed of a non-conductive material;
a conductive element which is disposed within a portion of said reservoir housing, an interface between said conductive element and said reservoir housing;
said conductive element further comprising an inner and an outer surface and is electrically accessible from both the interior and exterior surfaces of said reservoir housing;
a conductive pin;
said outer surface of said conductive insert is adapted to fixedly receive said pin and said pin is adapted to attach an electrical component to the outer surface of said conductive insert when said pin is received within said outer surface of said reservoir housing; and
wherein said conductive insert is adapted to establish electrical communication with an electrical component when said electrical component is attached to said conductive element.
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11. A reservoir housing for an iontophoretic drug delivery device comprising:
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a cavity and an interior and exterior surface;
said reservoir housing partially formed of a non-conductive material;
a conductive element which is disposed within a portion of said reservoir housing, an interface between said conductive element and said reservoir housing;
said conductive element further comprising an inner and an outer surface and is electrically accessible from both the interior and exterior surfaces of said reservoir housing;
a conductive pin;
said outer surface of said conductive insert is adapted to fixedly receive said pin and said pin is adapted to attach an electrical component to the outer surface of said conductive insert when said pin is received within said outer surface of said reservoir housing; and
wherein said conductive insert is adapted to establish electrical communication with an electrical component when said electrical component is attached to said conductive element and wherein said pin is adapted to establish electrical communications with said conductive insert and with an electrical component when said component is attached to said conductive insert.
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12. A reservoir housing for an iontophoretic drug delivery device comprising:
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a cavity and an interior and exterior surface;
said reservoir housing partially formed of a non-conductive material;
a conductive element which is disposed within a portion of said reservoir housing, an interface between said conductive element and said reservoir housing;
said conductive element further comprising an inner and an outer surface and is electrically accessible from both the interior and exterior surfaces of said reservoir housing; and
wherein said conductive insert comprises a polymer.
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13. A reservoir housing for an iontophoretic drug delivery device comprising:
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a cavity and an interior and exterior surface;
said reservoir housing partially formed of a non-conductive material;
a conductive element which is disposed within a portion of said reservoir housing, an interface between said conductive element and said reservoir housing;
said conductive element further comprising an inner and an outer surface and is electrically accessible from both the interior and exterior surfaces of said reservoir housing; and
wherein said polymer is selected from the group comprising polyvinyl chloride, polyethylene terephthalate glycol, polyethylene, polypropylene, polycarbonate, and acrylics.
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14. A reservoir housing for an iontophoretic drug delivery device comprising:
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a cavity and an interior and exterior surface;
said reservoir housing partially formed of a non-conductive material;
a conductive element which is disposed within a portion of said reservoir housing, an interface between said conductive element and said reservoir housing;
said conductive element further comprising carbon black; and
wherein said conductive element further comprises an inner and an outer surface and is electrically accessible from both the interior and exterior surfaces of said reservoir housing.
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15. A reservoir housing for an iontophoretic drug delivery device comprising:
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a cavity and an interior and exterior surface;
said reservoir housing partially formed of a non-conductive material;
a conductive element which is disposed within a portion of said reservoir housing, forming an interface between said conductive element and said reservoir housing;
said conductive material comprises at least 3 vol. % of carbon black; and
wherein said conductive element further comprises an inner and an outer surface and is electrically accessible from both the interior and exterior surfaces of said reservoir housing.
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16. A reservoir housing for an iontophoretic drug delivery device comprising:
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a cavity and an interior and exterior surface;
said reservoir housing partially formed of a non-conductive material;
a conductive element which is disposed within a portion of said reservoir housing, said conductive element having a volume resistivity less than about 10,000 ohms-cm, an interface between said conductive element and said reservoir housing; and
wherein said conductive element further comprises an inner and an outer surface and is electrically accessible from both the interior and exterior surfaces of said reservoir housing.
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17. A reservoir housing for an iontophoretic drug delivery device comprising:
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a cavity and an interior and exterior surface;
said reservoir housing partially formed of a non-conductive material, said non-conductive material having a resistivity of great than about 109 ohms-cm;
a conductive element which is disposed within a portion of said reservoir housing, forming an interface between said conductive element and said reservoir housing; and
wherein said conductive element further comprises an inner and an outer surface and is electrically accessible from both the interior and exterior surfaces of said reservoir housing.
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Specification