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Intradermal Delivery Device

a delivery device and intradermal technology, applied in the field of intradermal delivery devices, can solve the problems of limited success of prior methods and devices for intradermal administration of substances, and the inability of prior art devices to provide controlled delivery of substances to patients

Inactive Publication Date: 2007-01-25
BECTON DICKINSON & CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0013] A further object of the invention is to provide a device for penetrating the skin and delivering a unit dose of a substance through the skin substantially without pain to the patient.

Problems solved by technology

Many of these prior art devices do not provide a controlled delivery of a substance to the patient.
The prior methods and devices for the intradermal administration of substances have had limited success.

Method used

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Examples

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Embodiment Construction

[0039] The present invention is directed to an intradermal device and to a method for delivering a fluid substance in or through the skin of a patient. More particularly, the invention is directed to an intradermal delivery device for administering a substance into or below the stratum corneum of the skin of a patient to a depth sufficient for the substance to be absorbed and utilized by the body.

[0040] As used herein, the term penetrate refers to entering a layer of the skin without necessarily passing completely through the layer. Piercing refers to passing completely through the element or layer being pierced.

[0041] The device in one embodiment of the present invention is suitable for use in administering various substances, including pharmaceutical agents, to a patient, and particularly to a human patient. As used herein, a pharmaceutical agent includes a substance having biological activity that can be delivered through the body membranes and surfaces, particularly the skin. ...

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PUM

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Abstract

A delivery device for delivering a substance intradermally into the skin of a patient including a housing for contacting the surface of the skin and a disposable cartridge to be received in the housing. The cartridge includes an internal reservoir containing a substance to be delivered to the patient, a plurality of micro skin penetrating members and a fluid channel extending between the micro skin penetrating members and the reservoir. The housing includes a bottom wall with a central opening and a cover member. The cartridge is positioned in the housing with the micro skin penetrating members extending through the central opening of the bottom wall and positioned on the surface of the skin of a patient. The cover is closed onto the cartridge to dispense the substance from the cartridge through the micro skin penetrating members and into or through the skin of the patient.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS [0001] The present application is a continuation of U.S. patent application Ser. No. 10 / 924,118 filed on Aug. 23, 2004 which is a continuation of U.S. patent application Ser. No. 10 / 112,757 filed on Apr. 2, 2002, now U.S. Pat. No. 6,780,171 issued Aug. 24, 2004 and is herein incorporated in reference in its entirety.FIELD OF THE INVENTION [0002] The present invention is directed to a method and a device for delivering a substance intradermally to a patient. The invention is further directed to a microneedle delivery device having a separable cartridge containing a unit dose of a substance for delivering the substance intradermally to a patient. BACKGROUND OF THE INVENTION [0003] Subcutaneous injection devices using a cannula that penetrates deep into the skin or muscle are effective for delivering a pharmaceutical or other substance to a patient. However, the pain normally induced by the cannula has prompted the development of less painful del...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A61M31/00A61K9/70A61B17/20A61M5/142A61M5/145A61M37/00
CPCA61M5/14248A61M37/0015A61M2037/003A61M2005/14506A61M2037/0023A61M2005/14268
Inventor GABEL, JONATHAN B.WILKINSON, BRADLEY M.HWANG, CHARLES G.
Owner BECTON DICKINSON & CO
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