Wireless patient monitoring apparatus using inductive coupling

Details Wireless patient monitoring apparatus using inductive coupling Wireless patient monitoring apparatus using inductive coupling

1996-11-07

1999-03-16

Jaworski, Francis J.

Surgery

Diagnostic testing

600453, 600588, 600591, 128903, A61B 500, A61B 800

Patent

active

058823000

ABSTRACT:
A wireless patient monitoring apparatus uses low frequency inductive coupling to couple signals from a transducer to monitoring and analysis instrumentation. Signals indicative of physiological functions are modulated onto a low frequency carrier and output from a self-contained portable transducer assembly via a transducer coil. A corresponding receiver coil receives the signals by electromagnetic induction. The received signals are demodulated and processed by instrumentation coupled to the receiver coil. A mattress pad containing the receiver coil is also disclosed. In a fetal monitor implementation, both wireless ultrasound and tocodynamometer transducers are provided.

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IM77 Intrapartum Fetal Monitor, Advanced Medical Systems Brochure, May 1995 .

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