Surgical devices and their location
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jun 13, 2000
Grant Date -
N/A
app pub date -
Sep 25, 1997
filing date -
Aug 19, 1997
priority date (Note) -
Expired
status (Latency Note)
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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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