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:
May. 19, 2015
Filed:
Jun. 05, 2007
Naohisa Yahagi, Tokyo, JP;
Yuta Muyari, Tokyo, JP;
Tsutomu Nakamura, Tokyo, JP;
Chika Miyajima, Tokyo, JP;
Tsutomu Okada, Tokyo, JP;
Naohisa Yahagi, Tokyo, JP;
Yuta Muyari, Tokyo, JP;
Tsutomu Nakamura, Tokyo, JP;
Chika Miyajima, Tokyo, JP;
Tsutomu Okada, Tokyo, JP;
OLYMPUS MEDICAL SYSTEMS CORP., Tokyo, JP;
Abstract
A high-frequency treatment instrument having a sheath; an elongated extension member; a narrow portion provided on an inner surface of the sheath; and a pressing member which allows the elongated extension member to advance and retract only in a part of the sheath. The elongated extension member is advanced to form a first treatment electrode extending along a central axial line of the sheath and the elongated extension member is further advanced to form a second treatment electrode which intersects with the central axial line of the sheath.