Process of determining the three-dimensional location of a pacem

Details Process of determining the three-dimensional location of a pacem Process of determining the three-dimensional location of a pacem

1997-02-21

1999-01-12

Johns, Andrew W.

Image analysis

Applications

Biomedical applications

382154, 607 27, G06K 900

Patent

active

058599223

ABSTRACT:
A process of determining the three-dimensional location of a pacemaker lead in the heart of a subject is provided. The process includes the steps of acquiring a plurality of two-dimensional images of the lead; calculating the imaging geometry; identifying the two-dimensional position of the lead in each of the images; temporally interpolating the identified two-dimensional positions to identify a two-dimensional position of image at a single time; and calculating the three dimensional location of the lead from the two-dimensional position at that time.

REFERENCES:
patent: 5282254 (1994-01-01), Chiu et al.
patent: 5285786 (1994-02-01), Fujii
patent: 5435310 (1995-07-01), Sheehan et al.
patent: 5570430 (1996-10-01), Sheehan et al.
patent: 5734739 (1998-03-01), Sheehan et al.
patent: 5758645 (1998-06-01), Qian

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