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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 11517667 B1

PDFFull Text
Date of Patent:
Dec. 06, 2022

Filed:

Mar. 17, 2021

Puncture needle

Applicant:

Terumo Kabushiki Kaisha, Tokyo, JP;

Inventors:

Kosuke Osawa, Ebina, JP;

Takehiko Ueda, Kofu, JP;

Masahiko Nagasawa, Kai, JP;

Assignee:

TERUMO KABUSHIKI KAISHA, Tokyo, JP;

Attorney:

Foley & Lardner LLP

Primary Examiner:

Bhisma Mehta

Assistant Examiner:

Phoebe Anne Staton

Int. Cl.
CPC ...
A61M 5/158 (2006.01); A61M 5/42 (2006.01); A61B 8/08 (2006.01); A61B 90/00 (2016.01);
U.S. Cl.
CPC ...
A61M 5/158 (2013.01); A61M 5/427 (2013.01); A61B 8/0841 (2013.01); A61B 2090/3925 (2016.02); A61M 2005/1588 (2013.01); A61M 2205/3375 (2013.01);
Abstract

A hollow puncture needle includes: a needle body portion; a needle distal end portion that extends from the needle body portion in a distal direction and that includes a blade surface that is inclined with respect to an axis of the puncture needle; and an ultrasonic wave reflecting structure including at least one reflecting portion having a concave or hole shape that opens on an inner peripheral surface of the needle distal end portion. An inner surface of the reflecting portion includes a pair of inclined surfaces that face each other, wherein a distance between the inclined surfaces becomes smaller in a direction towards an outer peripheral surface side of the needle distal end portion. The inclined surfaces is parallel to the axis of the puncture needle.

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Osawa, Kosuke. (2022). Puncture needle (U.S. Patent No. 11517667). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11517667

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