Method and Device for Intradermally Delivering a Substance
First Claim
1. An intradermal delivery device for delivering a substance to a patient, said device comprising:
- a housing having an internal cavity, said cavity being dimensioned to receive a substance for delivery to a patient;
a skin penetrating device in fluid communication with said cavity; and
an indicator having an indicating surface responsive to a pressure within said internal cavity, wherein said indicating surface indicates the delivery of a sufficient amount of the substance to the patient.
1 Assignment
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Accused Products
Abstract
A device for delivering a substance into the skin of a patient includes a body and a skin penetrating device having at least one skin penetrating member, such as a microneedle. The body includes an internal cavity and a device for indicating the delivery of a sufficient amount of the substance to the patient and for producing a dispensing pressure to dispense and deliver the substance from the cavity. The indicating device is visible from the exterior of the delivery device. In some embodiments, the indicating device is an elastic expandable diaphragm which, when the cavity is filled with a substance, creates the dispensing pressure.
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Citations
40 Claims
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1. An intradermal delivery device for delivering a substance to a patient, said device comprising:
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a housing having an internal cavity, said cavity being dimensioned to receive a substance for delivery to a patient; a skin penetrating device in fluid communication with said cavity; and an indicator having an indicating surface responsive to a pressure within said internal cavity, wherein said indicating surface indicates the delivery of a sufficient amount of the substance to the patient. - View Dependent Claims (2, 4, 5, 6, 8, 13, 14, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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3. (canceled)
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7. (canceled)
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9-12. -12. (canceled)
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15. (canceled)
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16. (canceled)
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27. (canceled)
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28. (canceled)
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29. (canceled)
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30. (canceled)
Specification