Catheter locating device

Details Catheter locating device Catheter locating device

1977-05-16

1979-11-06

Truluck, Dalton L.

Surgery

Truss

Pad

128349R, A61M 2500

Patent

active

041732286

ABSTRACT:
A system for detecting and monitoring the position of a catheter tip during insertion and after placement of the catheter in a body cavity. A coupling means such as an inductor coil is secured adjacent the catheter tip, and leads extend from the coil along the catheter for connection to external indicating equipment. Energy is propagated through the body to the coupling means from an external source such as an oscillator-driven coil or coils, and relative proximity and orientation of the external and catheter coils is determined by monitoring amplitude and phase of the signal induced in the catheter coil.

REFERENCES:
patent: 2949910 (1960-08-01), Brown et al.
patent: 3043309 (1962-07-01), McCarthy
patent: 3253588 (1966-05-01), Vuilleumier et al.
patent: 3661148 (1972-05-01), Kolin
patent: 3847157 (1974-11-01), Caillouette et al.

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