High-frequency treatment instrument

A high-frequency treatment instrument including: a sheath formed of a flexible material; an electrode member disposed inside the sheath; a distal-end member having a through-hole through which the electrode member passes; and a liquid supply means supplying liquid towards the front side via a flow p...

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Bibliographic Details
Main Authors Onuki, Yoshio, Sakano, Hiromichi
Format Patent
LanguageEnglish
Published 02.10.2018
Subjects
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Summary:A high-frequency treatment instrument including: a sheath formed of a flexible material; an electrode member disposed inside the sheath; a distal-end member having a through-hole through which the electrode member passes; and a liquid supply means supplying liquid towards the front side via a flow path in the sheath, wherein the electrode member includes a rod-shaped electrode portion movably passing through the through-hole, and a large-diameter portion provided at the distal end thereof to have an outer diameter larger than the diameter of the through-hole, the large-diameter portion includes an electrode hole passing therethrough, between the distal-end member and the large-diameter portion, there is provided a buffer member that seals the periphery of a space between the distal-end member and the large-diameter portion.
Bibliography:Application Number: US201715495234