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:
Feb. 26, 2002
Filed:
Mar. 10, 1999
Applicant:
Inventors:
Hirotaka Minagawa, Tokyo, JP;
Hiroki Tsuruta, Tokyo, JP;
Yasuyoshi Matsumoto, Tokyo, JP;
Narushi Ito, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 1/734 ;
U.S. Cl.
CPC ...
A61B 1/734 ;
Abstract
A corneum puncture needle for extracting tissue fluid from under the skin corneum includes a needle body and a stylus extending from the needle body to be inserted into a corneum of a human body. The stylus and the needle body form therebetween a stepped portion acting as a stopper when the stylus is inserted into a corneum of a human body. The needle body has a core formed in a unitary body with the stylus and a coating layer or a tube formed on the core. The stylus has a suitable length for prevention of damage of blood vessel. A plurality of puncture needles may be arranged on a holder.