Method and apparatus for transdermally sampling or administering a substance to a patient
First Claim
1. A device for intradermally withdrawing or delivering a substance to a patient, said device comprising:
- a support having a top end, and a bottom end;
a plurality of spaced apart skin penetrating devices, an advancing assembly for incrementally advancing said skin penetrating devices to said bottom end of said support to a position where at least one of said skin penetrating devices faces outwardly from said bottom end of said support in an operating position for withdrawing a substance or delivering a substance to a patient.
1 Assignment
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Accused Products
Abstract
A device for delivering or withdrawing a substance from a patient includes a support member, a skin penetrating device and an advancing assembly for advancing the skin penetrating device to an operating position. The advancing assembly includes a supply spool for supporting a web having the skin penetrating devices attached thereon and a take up spool for receiving the web with the spent skin penetrating devices. The support has a bottom wall with at least one opening for exposing the skin penetrating device for penetrating the skin of a patient. In one embodiment the skin penetrating devices are micro needles having a length of about 50-2000 microns.
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Citations
38 Claims
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1. A device for intradermally withdrawing or delivering a substance to a patient, said device comprising:
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a support having a top end, and a bottom end;
a plurality of spaced apart skin penetrating devices, an advancing assembly for incrementally advancing said skin penetrating devices to said bottom end of said support to a position where at least one of said skin penetrating devices faces outwardly from said bottom end of said support in an operating position for withdrawing a substance or delivering a substance to a patient. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. An intraepidermal device for withdrawing or delivering a substance though the skin of a patient, said device comprising:
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a support having a top end, and a bottom end and a bottom wall at said bottom end;
a supply member for supporting a web having a plurality of spaced apart skin penetrating devices;
a receiving member for receiving said web; and
an advancing assembly for incrementally advancing said web from said supply member across said bottom wall of said support to said receiving member, wherein each of said skin penetrating devices are available for penetrating the skin of a patient when positioned on said bottom wall. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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32. A method of withdrawing or delivering a substance to a patient comprising the steps of
providing a device including a support having a top end, bottom end and a bottom wall, a plurality of spaced apart skin penetrating devices, and an advancing assembly for incrementally advancing said skin penetrating devices to said bottom end of said support to a position where at least one of said skin penetrating devices faces outwardly from said bottom end of said support in an operating position for withdrawing a substance or delivering a substance to a patient, advancing said skin penetrating devices to present a clean skin penetrating device on said bottom wall to an operating position in a generally downwardly facing direction, and pressing said device and skin penetrating device against the skin of a patient with sufficient force to penetrate said skin and withdraw or deliver a substance through said skin.
Specification