Patent ID: 9297866
Filing Date: 2016-03-29
CPC Classification: A61B,G01R

Claim Text:
1. A handpiece comprising: an interventional instrument; an interventional accessory positioned within the interventional instrument and extending along a length of a interventional instrument; a first transmission line positioned within the interventional accessory and extending along the length of a interventional accessory from an accessory winding to an RF coil at a distal end of the interventional accessory, an axial position of the accessory winding being selectively positionable by sliding the interventional accessory axially relative to a first interventional instrument winding of the interventional instrument; an insulating support configured to be supported outside a subject during insertion of the interventional instrument in the subject, the insulating support having an internal bore for receiving the interventional instrument during the insertion of the interventional instrument in the subject, wherein the insulating support supports a portion of the interventional instrument which includes a second transmission line in, but spaced from, the internal bore of the insulating support; and a handpiece inductive coil disposed along the internal bore, wherein the handpiece inductive coil interacts with the second transmission line to form an inductive coupling to the second transmission line, wherein the second transmission line connects a second interventional instrument winding to the first interventional instrument winding, an axial position of the second interventional instrument winding being selectively positionable by sliding the interventional instrument axially relative to the handpiece inductive coil.