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.:

US 8287464 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 16, 2012

Filed:

Mar. 31, 2008
Applicants:

Hiroshi Hirota, Nasu-Shiobara, JP;

Yoshiharu Iwase, Osaka, JP;

Inventors:

Hiroshi Hirota, Nasu-Shiobara, JP;

Yoshiharu Iwase, Osaka, JP;

Assignee:

Nipro Corporation, Osaka-shi, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 6/00 (2006.01); A61B 8/00 (2006.01); A61B 10/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A metal needle is obtained by being dipped in a liquid selected from the group consisting of a strong acid solution of a metal, acetic acid, and butyl acetate, and then dried. Preferably, the strong acid solution of a metal to be used in the dipping treatment may be a nitric acid solution of a metal selected from the group consisting of a transition element, a lanthanoid, and an actinoid, for example, a nitric acid solution of a metal selected from the group consisting of palladium, gadolinium, germanium, beryllium, strontium, scandium, and samarium. The metal needle is a metal needle for insertion into the body that can be reliably imaged even when a general-purpose ultrasound imaging system is used, and thus is useful in confirming insertion of the needle into a blood vessel and arrival of the needle at an organ, and confirming the position of the needle when it is broken.


Find Patent Forward Citations

Hirota, Hiroshi. (2012). Metal needle usable in echo imaging (U.S. Patent No. 8287464). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8287464

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