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1. CA2614328 - ANCHORED RF ABLATION DEVICE FOR THE DESTRUCTION OF TISSUE MASSES

Office Canada
Application Number 2614328
Application Date 30.06.2006
Publication Number 2614328
Publication Date 11.01.2007
Grant Number
Grant Date 19.04.2016
Publication Kind C
IPC
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
B
DIAGNOSIS; SURGERY; IDENTIFICATION
18
Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
04
by heating
A61B 18/04
CPC
A61B 18/14
A61B 17/3421
A61B 18/1477
A61B 18/18
A61B 18/1815
A61B 2017/3454
Applicants HALT MEDICAL, INC.
Title
(EN) ANCHORED RF ABLATION DEVICE FOR THE DESTRUCTION OF TISSUE MASSES
(FR) DISPOSITIF D'ABLATION RF ANCRE DESTINE A LA DESTRUCTION DE MASSES TISSULAIRES
Abstract
(EN)




The inventive ablation element comprises an elongated cannula having a
proximal end and a distal end. The cannula
defines an internal lumen within the cannula and a cannula axis. A plurality
of conductors contained within the lumen, each of the
conductors has a proximal end proximate the proximal end of the cannula, and a
distal end proximate the distal end of the cannula.
A plurality of ablation stylets each has a proximal end and a distal end, and
each coupled at the respective proximal end of the stylet
to the distal end of a respective conductor, the stylets comprise a
deflectable material, the conductors together with their respective
stylets being mounted for axial movement. A trocar point defined proximate the
distal end of the cannula. A deflection surface
positioned between the trocar point and the proximal end of the cannula, the
deflection surface being configured and positioned to
deflect, in response to axial movement of the stylets in a direction from the
proximate end of the cannula to the distal end of the
cannula, at least some of the stylets laterally with respect to the cannula
axis in different directions along substantially straight paths,
the paths defining an ablation volume.