Surgery – Miscellaneous – Devices placed entirely within body and means used therewith
Patent
1992-07-23
1994-07-05
Cohen, Lee S.
Surgery
Miscellaneous
Devices placed entirely within body and means used therewith
1286531, 128654, 324329, 340573, A61B 1900
Patent
active
053258738
ABSTRACT:
A system for detecting the position of an object within a body of biological tissue includes a resonant circuit attached to the object and a probe including a receiver/transmitter that operates at the resonant frequency of the object. The resonant circuit rings in response to pulses transmitted from the probe thereby activating receiver circuits which control a visual display indicating the direction the probe should be moved to center it over the object. When the object is centered a second visual display provides confirmation.
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Hirschi Richard E.
Isaac Ronald M.
Karbowski James P.
Tiefenthal James L.
Abbott Laboratories
Casler Brian L.
Cohen Lee S.
White's Electronics, Inc.
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