Surgical devices and their location

Details Surgical devices and their location Surgical devices and their location

1997-09-25

2000-06-13

Casler, Brian L.

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

128899, A61B 505

Patent

active

060760079

ABSTRACT:
A surgical device, e.g. a catheter or a prosthesis, is disclosed which is characterised in that it carries, at a predetermined location, a tag formed of a high permeability, low coercivity magnetic material. Also disclosed is a method of locating a surgical device within the human or animal body, which comprises inserting the device into the body together with a magnetically active marker, the marker being associated with a predetermined location on the surgical device; and sensing the position of the marker, and hence of the surgical device, by remotely detecting its magnetic response to an interrogating signal. Systems for use in this method are also disclosed.

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