The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 21, 2005
Filed:
Jan. 15, 2002
Patrick R. Fleming, Lake Elmo, MN (US);
Michael D. Delmore, Grant, MN (US);
Luther E. Erickson, Grant, MN (US);
Richard H. Ferber, Fridley, MN (US);
Patrick R. Fleming, Lake Elmo, MN (US);
Michael D. Delmore, Grant, MN (US);
Luther E. Erickson, Grant, MN (US);
Richard H. Ferber, Fridley, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
Microneedle devices and methods of manufacturing the microneedle devices. The microneedle devices include microneedles protruding from a substrate, with the microneedles piercing a cover placed over the substrate surface from which the microneedles protrude. The cover and the microneedle substrate together define a capillary volume in fluid communication with the base of each microneedle. One manner of using microneedle arrays of the present invention is in methods involving the penetration of skin to deliver medicaments or other substances and/or extract blood or tissue. Manufacturing methods may include simultaneous application of pressure and ultrasonic energy when piercing the cover with the microneedles.