The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 31, 1999
Filed:
Oct. 07, 1997
Applicant:
Inventors:
Theodore A Johnson, St. Paul, MN (US);
Harry A Puryear, Shoreview, MN (US);
Assignee:
SIMS Deltec, Inc., St. Paul, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
128899 ; 600424 ; 600 12 ; 32420717 ;
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.
Published as: