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1. WO2020142308 - ELECTROSURGICAL ANTENNA INCLUDING A FLUID FILLED BALUN

Publication Number WO/2020/142308
Publication Date 09.07.2020
International Application No. PCT/US2019/068271
International Filing Date 23.12.2019
IPC
A61B 18/18 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
18Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
18by applying electromagnetic radiation, e.g. microwaves
CPC
A61B 18/1815
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
18Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
18by applying electromagnetic radiation, e.g. microwaves
1815using microwaves
A61B 2018/00023
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
18Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
00005Cooling or heating of the probe or tissue immediately surrounding the probe
00011with fluids
00023closed, i.e. without wound contact by the fluid
A61B 2018/00577
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
18Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
00571for achieving a particular surgical effect
00577Ablation
A61B 2018/1892
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
18Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
18by applying electromagnetic radiation, e.g. microwaves
1815using microwaves
1892Details of electrical isolations of the antenna
Applicants
  • COVIDIEN LP [US]/[US]
Inventors
  • BRANNAN, Joseph D.
Agents
  • KEELY, Thomas E.
  • ZARABI, Joshua
  • DELUCA, Peter
Priority Data
62/788,20104.01.2019US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) ELECTROSURGICAL ANTENNA INCLUDING A FLUID FILLED BALUN
(FR) ANTENNE ÉLECTROCHIRURGICALE COMPRENANT UN SYMÉTRISEUR REMPLI DE FLUIDE
Abstract
(EN)
An energy applicator for directing electromagnetic energy to tissue is provided. The energy applicator includes a feedline, an antenna, and a balun structure. The feedline includes an inner conductor, an outer conductor coaxially disposed around the inner conductor, and a first dielectric material disposed therebetween. The antenna includes a radiating section operably coupled to the feedline. The balun structure is coaxially disposed around the outer conductor of the feedline with a medium disposed therebetween, and is galvanically isolated from the feedline. An energy application system for directing energy to tissue is also provided.
(FR)
L'invention concerne un applicateur d'énergie pour diriger une énergie électromagnétique vers un tissu. L'applicateur d'énergie comprend une ligne d'alimentation, une antenne et une structure de symétriseur. La ligne d'alimentation comprend un conducteur interne, un conducteur externe disposé de manière coaxiale autour du conducteur interne, et un premier matériau diélectrique disposé entre ceux-ci. L'antenne comprend une section de rayonnement couplée de manière fonctionnelle à la ligne d'alimentation. La structure de symétriseur est disposée coaxialement autour du conducteur externe de la ligne d'alimentation avec un milieu disposé entre celles-ci, et est isolée galvaniquement de la ligne d'alimentation. L'invention concerne également un système d'application d'énergie pour diriger de l'énergie vers un tissu.
Latest bibliographic data on file with the International Bureau