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:
Aug. 07, 2012
Filed:
Jul. 20, 2007
Applicants:
Hyung IL Jung, Seoul, KR;
Kwang Lee, Seoul, KR;
Inventors:
Hyung Il Jung, Seoul, KR;
Kwang Lee, Seoul, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61L 33/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a method for preparing a hollow microneedle comprising preparing a solid microneedle by drawing lithography; plating the surface with a metal; removing the solid microneedle; and fabricating the hollow microneedle. The present invention ensures efficient preparation of a hollow microneedle with desired hardness, length, and diameter, and which may be effectively used for extracting internal analytical materials from the body and for drug injection.