Patent ID: 8753366
Filing Date: 2014-06-17
Classification: A61B,A61F,A61M

Abstract:
1. A system comprising: a passageway forming catheter having a tissue penetrating element that is advanceable out of a tissue penetrating element outlet aperture and a signal receiving apparatus, said passageway forming catheter being positionable within a body lumen of a subject; a signal emitting apparatus which is positionable in a target area within the subject's body and which emits a signal that is received by the signal receiving apparatus; and apparatus for monitoring the intensity of the signal received by the signal receiving apparatus; the catheter being rotatable within the body lumen until the signal received by the signal receiving apparatus is at peak intensity, thereby indicating that the tissue penetrating element outlet aperture is aligned with the target location such that subsequent advancement of the tissue penetrating element out of the tissue penetrating element outlet aperture will cause the tissue penetrating element to travel in the direction of the target location; wherein the signal emitting apparatus comprises a signal emitting wire; and wherein a shielding tube comprising an electromagnetic shielding material surrounds a portion of the signal emitting wire such that only a distal portion of the signal emitting wire extends out of the shielding tube.