Systems and methods for determining the location of an implanted device including a magnet
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United States of America Patent
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Aug 31, 1999
Issued Date -
N/A
app pub date -
Oct 7, 1997
filing date -
Dec 7, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A passive system for accurately determining the location of a device positioned or implanted within a patient's body is disclosed. The system includes a detectable mechanism mounted at the tip of the device which is configured to generate a self-induced magnetic field, and a detector for detecting the magnetic field of the magnet. The detector is detached from the magnet. In a preferred form, the detectable mechanism is a direct current permanent magnet. Methods of using such a system to accurately determine the location of a device within a patient's body are also disclosed.
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